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HomeMy WebLinkAbout055-490-015i; 'fir c • n + / • a [ , 1• •bio i ,�"' � r. i x) t`k 7i .�, {r III tJjrp4 4 .. i?LAkkING "COMMISSIQN S[rMMA tY 'S`iiEET FO,' 'LAND D;C II IQNS APPLICANTMadre be 6to Partners: �; Log#87-02-11-03„ ` fi,DDRESS 2555 E. Chapman Ave., North (Suitt Fi llexto ; CA. 92631 ., _.. OUTER P.RasEQT bESCRu IPTION Bondary Lirie Mbdifica t t.�ori- 'LOCATION On i;.bE east side of'.Laga Vista 'Warr app:oz4 ma al 2000 feet north of its intetsection with Piytz ;Rd. Paradise a�; .ASSESSOR'S PARCEL "NUMBER(S� . 55=�9=-15' � 55-3CI-104 ONNV GENERAL I�;LAN PROJECT, 17 GENERAL PLAN (CNF0,RMANCE REPORT DATE' DIS' APPLICANT SIGNATURE LAND CONSERVATION ACT` CONTRACTS DATE APPLICATION RECEIVED AGENT/SURVEYOR/CIVIL ENGINEER: GDP, ,ADDRESS,:;,. 220 Grand Avenuey Oroville, CA 95965 DATE PLANNING DI-gECTOJR l S REPORT MPA=-1), EWIRONMENTAL CATEGORICAL EXEMPTION DATE I`ILEb UETERMINAT:T,ON AND NATE NEGATIVE DECLARATION L DATE ADOPTED MITICATED NtO. DECLARATION -• DATE ADOVTED. ENV. IMPACT REPORT DATV, CDRTIVIVb STATE CLEARINGl!OUSE NOy SUt, COMMITTEE -MEETING DATE ADVI:j,bRY Al2ENCY HE RING DATE ' __. ADVT80V AGENCY ACTION Apo AP 47EALED _ _.,.... _—,_.,_- PPEAL TEARING DATE . BbARn ACIP3:ON_ COMMENTS 'OR PLAvinva DSRECTOR' S REI?ORT y s i hIMRONMERTAL IMPACT REPORT for Z"IADRE DE ORO t SUBDIVISION AP # 55-30-13i eto. APPL IOANT BREWER-HARRISON, 11K Prepare. by Geddis, Driscoll & Associates May 1979 Revised December 1979 Reviewed by: HUTTE COtMTY EOVIRONMENTAL REVIEW DEPARTMENT 18-8. Cot.n.ty Center Drive Oroville, California 95965 iy r MADRE DE OF0 SUBDIVISION PREFACE TO FINAL ENVIRONMENTAL ;IMPACT REPORT ,�.. The proposed project is the subdividing of approximately 390 acres in Butte. County, California, into 170 loth; it is anticipated that one single=family dwelling will be constructed :on each lot. In accordance with guidelines for the implementation of ' the California Environmenta;" Quality Act (CEQA), a Draft Environmental Impact Report was prepared by Geddis, Driscoll & Associates and submitted to the State Clearinghouse in May 1:979. The Final Environmental Impact Report has been prepared according to Section 15146 of the previously mentioned quidelines to respond to comments received during the review period. Pursuant to Section 15146, the :followi.nq items are included in this Final BIR: The Draft EIR (Chapter I)' Comments to the Draft tIA received and a list of those commenting" (Chapter II:) Detailed responses to commr�nts (Chapter III) In the interest of conservation of time and of efficiency, the proponent submitted the Draft EtR with the tentati)re parcel. map, The Butte County Environmental Review Department prepared its checklist of potential eftVitbn- mental, impacts stbsequonit to atibmi.,ttal of the Draft EIR, a.a: J s �c�'a�� ��.�� s`•�{4' �1.��.' i �w �,i i q r F R :1 �<,� �� � �� ��' �w �(e � � "` i , x.41" Content 1.0 INTRODUCTION 1.1 Project Location. 1 1.2 Objective ]• 1.5 General Description r 1.4 Area Setting -: 2.0 :IIWMONmENTAL SETTING 2.1 Regional. Setting ' 2.2 Geology 2.2.1 Descriptive Geology 8 2.2.2 Dynamic Geology 9 2.3 Soils 1O 2.4 Hydrology 2.4.1 Groundwater 1?r 2:4.2 Surface Hydrology 17 2.5 Vegetation & Wildlol.fe 20 2.5.1 Vegetation 20 2.5.2 Wildl.if e 23 2.5 Traffic; Oirculation 24 2.7. Municipal Services _ 24: 2.7.1 Domestic Water Supply 24 2.7.2 Wastewater Disposal 2.7.3 Solid Waste Disposal. 26 2.7.4 Fire''Protection 26 2.7.5 Police Protection 27 2.7..6 Schools 27 28 Public Utilities 28 2.9 Population 28 2.10 Archaeological & Historical Fesouxces 29 2.1.1: Planning & Zoning 30 ' ... Ivy. .. _ 7 3. o M.LRONMENTAL IMPACT ANALYSIS 31 . 1.1 Public Utilities & Services 31, 3.1.1 utilities 31 3.1.2 Solid ;Waste Disposal. 32 3.1.3 Police Protection 32 3.1.4 Fire Protection 33 3.2 Water Supply Alternatives 3t 3.3 Public School System 3 3.4 Wastewater Dispz;'sal 37 3.5 Erosion &-. Sedimentation 39 3.6 Drainage 40 3.7 Traffic 4,1 3.3 Raze Vegetation 41a 4.0 DISPOSITION OF ENVIRONMMTADTAOTS 42 4.1 Environmental Protection Measures 42 4.1.1 Darlestic Water Supply 42 4.1.2 WaSt,eweter Disposal 43 4.1..3 EI -o sk on Seditentation 43 4.1.4 Rural. Fire Razard 44 4.1.5 Rare Vegetation 45 4.2 Al t ernatve s ' to the J'roposed .Prooect - 46 4.3 The Relationship Between Local: Short -Term. Uses of Manes Environment & the Maintenance of LoYig-Term Product..vity 47 4.4 Irreversible Environmental Changes which would be Involved, in the Proposed Action 48 4.5 The Growth -Inducing Impao'u of Proposed Project 48 A a 1 0 INTRODUCTION M 1 1 Projectf, ocatlon The proposed project is located in central' Butte County on the Pentz-Magalia. Highway 4 'mi ;es southest of Paradise and approximately 15 miles north of Oro'ville as shown on Figure 1, The 392' -acre site is situated in the foothills of the Sierra Nevada Mountain immediately adjacent to Kunkle Reservoir and west of the West Branch of the Feather River as shown on 'Figure 2. The project site lies wholly within Section 31 T2211, R4.E, MQBM, 1.2 Objective The objective of the project is the development of approximately 390 acres of undeveloped land into 110 single-family home sites for sale to individual buyers and uuiiijers. the 170 lots will vary in size from one to seven acres, as shown on Figure 3: lA General Description Primary conceptual features of the proposed project are as follows. 1 / . ' . . \70 AREA` MAP i ~►_�` J.- 2-11—) `% �-""'"�� ,r» ! ! . o', w. r» 4G kr .. ` 01 Ec. / x- ,.'. ..,IJ•• W �- I ' ` : Fal t�tth, �;. �„� i/ , ft _) h i E Y a I ,Amigr r b `\ «� ; +.-« • '""' - r i J r Y � R ct C.H{'RD501i. SPRINGS i 1 _ r L_ « ....e 1 < �, rtek - �•ulmlll 1:/ - _ �— y. RADI5E,PIN15 tldM rr%. •• j ^ c tr 3" 1 W50110 C -^J� + .P Y' r •.1/ ^n,. \ F.xrrt.�+-tl,,l C�'1 i� �,�3i]D• .. MAGAL.�A •5airmtll a 1 �+ i)Jur_ L_ 4 E� J p'al ad�,� r_ p 1 as "CHH Yr E+t0i��lV Tj r v� �� ti✓ j! � s t ZC� P(JL � .. I �CG PaRI.,,y/ ote� t� C 1� ,.+ t + �'�yo r `t"' Ver ( �1....:._...rr. -•.. at 5`` T - "v/'•' Can•pt' � �y GA llf. v !r' b 1: t , Rspitaff , aC PARADISE /� cC a ' t �. .Y + i• �>`'�'JCi1Q�JGRY�cn•c�� CHICO I<.Q �S t I'3• 1 lyi Y M Y. �9ifie iFA E 1 AienYre r 1 � a- , , � � I o F .: N a''.1` ' ` I .y_ r �`"`�'., .r �• +G '�' �, oy fi N. sx �li' + t3r +t a y t�' �• E a C .r C.r ~. 3= ti o cyc �......_•._....�... a :.b �:fYSad yc V e, i � i •'�— •�`� PY i, ;i, Qo�: fi p ar vi 5�� son Mae, = Pad ' / _..- nurt?° •y=ea 2.�-..C�,.�. - ,,,�,• � pL�� -- Pr,, !�..� ..._...__�_.r. 1 . C•�ae•+oed� .. i S GRLad. 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""' r , ra / ar R rownaN.ocaaetJsly t+ _ tttv,.w.e�, fa��ta .. ' A.RNN3J 4t-t/-1t; fl, !!,'t, tf. tlr3➢. d8,;/XD6+l ,,d � ,�� -, QNNFR•NP1rrtANr � Alftrf{fR` FrdRRJiAI;tNG _ is rr 4 .ia1J •. `1. �'' 1VIrlR Jt0A1JlUMirt'Wr[i X1rUDH14tQiJn?#3YIClPX 9d'tvdRs-r;n_: u ct: 99r7rc 4wr4mil f -� ..'•..r PtN1NO /.t !lVCCJHx J/MMWJY iar is �. ♦� err :N:!afAIR bJRJIrOJIVIJdt t//'t♦fIN.'- - ►witr - ` — ` -t7T�C 11A'fd • tvflrRtt IJNtditD tRJd s h[K/CRet ' J»a. OW-VofountrAMW rm My tS IiI tAvidt IfIT pear or *wr s site Rrwrs u t l Two separate street accesses to the sub= division will be provided; one ;directly to the J.'entz-M ,agalia Highway to the west and one to _ the unnamed, pasted street in Quail Trails Mobile Village. Domestic water supply will be provided by Lime, Saddle Irrigation District. The developer. R vilfiaevelop an onsite wa'f`er supply well 'to supQl.ement the st �plyy currenti.y available from the .'.strict . p Wastewater diuCoral will be by individual systems. Solid waste disposal: will be by private solid waste collection firms, retained.by the individual homeowner. .A. surface grater drainage system with a capacity adequate to accommodate the one- mitten.-year storm event will be incorporated. Most: runoff will be directed to Xun7tle Reservoir w,ith.a portion directed. to the West Branch of the Feather River. h Electricity and telephone service Will be provided from existing.. lines along Pentz-Magalia Highway. No central L,,;,ural gas distribution system will be providet�. p t! 'ii to, oad>>rays wi l l be �es'i gne,.d"tu minimize t?.e cut -and -fill quantities thereby.reducing po.tental erosion. Minimal -removal of vegetation during and after constrUction'will be encouraged to maintain the natural characteristics of the site rnL{ reduce erasion potential 1.4 Area Set'tilig Access to the pro jectsitE from Paradise is south on Pentz-Magal i s Highway. Access from Orovi l l e is north on Highway 70 to Peiitz-Magalia Highway thence north to the -oject site.. The project site lie,; the oott side of 'Pentz-Magalia Highway, >rxi sti ng acs e s ,rntu . ,Aa,jPct site i s curti,ently via 3t ,�p trail The most convenient full line of ,goods and services it in Paradise, about four miles northwest of the project site, The nearest major incorporated cities are Oroville, the County Seat of Butte County 15 miles to the south, and Chico, approximately 20 miles to the 'west via Chico -Paradise Skyway. 6 Nil III - - - 2. 0 F JV1 RONI-IENTAI L SET 1 NG 2;1 Regyi ona 1 Settiin The project site i SL situated inrolling uplands twhit!h characterize the northern Sierra Nevada foothills. The region is cut with many ., eroded gullycanyons. the 'larg,est of s and can o which is the canyon of the gest Branch of the Feather Ribes: Steep canyon walls with exposed volcanic outcrops alternate with gently rolling upland meadow and large stands of manzanita_, oak, and di gg.er p'tie, The elevation of the project site varies from 1,479 to 1,680 feet above mean sea level. Eastward of the site Cot relief" of the land increases as the Sierra Nevada Mountains are encountered. Westward of the site natural vegetation thins as the elevation decreases to the Sacramento galley floor. The climate is typical of the Mediterranean fess"anean climate found in northern California: Rainfall averages 05 to 40 inches annually with more than 90 percent occurring from October through April: Summers are hot and dry, and winters are cool and Wet, The growing season is- about sabout 970 days. The area rarely is affected by ground fog such as occurs in Sacramento Valley, C The immediate area is not extensively developed. A small' mobile-home park is located about one mile south of the site. Further to the south development is "very sparse and scattered. About one mile north of the site is the community of Quail Trails. Further to the north and test development becomes more intense in the vicinity of the paradise community, The natural vegetation of the region is largely undisturbed. Some localized' cultivation has been attempted and evidence> of grazing activity 'can be found. However, no agricultural activity has occurred in the area in recent years, 9.2 Geology 2.2.1 Descriptive Geology The project site lies in an area consisting exclusively of volcanic rock and its sedimentary derivatives known as the Tuscan Fotmation2. The Tuscan Format-ion underlies a broad, dissected co str uctional plain which slopes geiitly to the south and southwdtt and passes under the over lapping alluvium of Sacramento Valley at the approximate latitude of Pentz. T h e. streams which have cut their way intra the Tuscan Formation have formed several deep canyons. The Tuscan 'Formation is principally tuff-breccia, lapilli tuff, volcanic conglomerate and ;sandstone, with lesser quantities of tuff, claystone, and (;Ilts tone. At the head of Mesilla Valley and at most places in the Canyon of the West Branch of the Feather River, the Tuscan Formation rests with profound angular unconformity on the upturned edges of the 'Sierrah "Bedi-ock Series."2 2.2.2 Dynamic Oebl ogy, The nature Of the geologic processes which resulted in the formation of the sierra Nevada Mountain results in considerable 'faulting and folding along the edges of the formation zone. Butte couhty and the surrounding area is located on the western PoIrtiot) of a faultod and dowhwarped series of ancient metamorphic rocks of the Western SierVa Nevadals. since the stratigraphic and structural trend of the metamorphic rock is generally y north_,.north c st,, the faulting i n Butte County A s, also generally in this direction: Mo t ;5ie��ra Neva,d.a fau1t are a combination of strike-slip and thrust movements .3 The only known active fault in Butte roun,ty Is the Cleveland Hill fault oP approximately six miles southeast of Orovill'e and twenty 'miles south of the project site. The fault is thought to be approximately te'n miles long.4 It w,as movement of this fault which produced the Oroville earthquake of August 1, 1975. The fault nearest the project site is the Big Bend fault, the inferred western end of which is about two miles north of the project site. This fault is considered"potentially active" by the Seismic O ement of 'the. Butte County General Plana 5oi1'S, Soils at the project site appear to be exclusively of volcahic origin. Field analyses were performed on soil specimens. from 93 soil investigation sites to determine their capability to accommodate individual disposal systems as well as to 10 definei general il con soditions throughout the site. The location's -of the soil exploration trenches are shown, on Figure 4. Generally, the soils may be described as: rust`to reddish brown in color especially when we silty clay with a small sand fraction va`ria ;lei plastic7ty relatively slow dilatancy (reaction to shaking) relatively high dry strength y variable compaction ratio - There are discrete strata throughout the project site containing material which appears to be from volcanic mudflows that occurred during the lus, ari period, These strata are cemented to varying degrees of hardness, and volcanic sands are in evidence in the strata at many locations throughout the property. l' 1 4 SOIL I�XPL0RATI0N 8ITE5 74 75 • 7: s8 56 57'50 le I 77 5s :8 49 e4 4• 4e 43 s3, a 80 e2 40 3� a )79'-- 51 45 `' 61e9 67 1 93 w 34 84 A 82 r U81 3?71.Q6:t I 66 69 • 65 1: I I 33 !6 12' 42 LCGEND 1 32 I ,� �, • 141 41 40 EXISt WING TRAILS 39 38`_x" --� --- Nt WLY DEVELOPED TRAILS 30 29 ISI • SOIL EXPLORATION SITE 42 28 2 7 (6I al 86 31 24 • R Z3 25 •9D �,1� I ll� 92 3 �0 Sul ALE 0 2 4 6 �8 10 20 n 0:5T INCE IN HUNDRED FEET 22 �4 The soil depth varies from zero feet to In excess of twelve foet and averages from four to six feet: Prooiles of the individual test holes indicated tha.ti there are seven distinct soil profiles on the project site Descriptions of the various profiles are, p.-t.sented in Table 1 as are sketches of each, profile configuration. Also Andicated in Table l are the identiflQation- numbers of the exploratioh'trenches exhibiting each profile typetand the areal extent of each profile type Figure 5 shows the areal extent of each soils type. A more complete description rF each soil's type is found in Appendix A. 2 A Hydr'o1 o gy 2.4.1 Groundwater ` Depth to ground+aater varies throughout the year at the project site. Also; there are several distinct aquifers under the project site4 When the Lime Saddle Irrigation District drilled its well in March 19.78 at a location ,Tout one mile northwest of the project site; water W5 found t 80 feet, 140 feet; and 3'00 'feet btlow the ace of the ground'. 13 TALE I SOILS PROFILE 5CIMIATICS Approx. No. of Soil Total Explor. Schematic Qe5criptio►r of tenses e Trenches � 20 9 peau, 0.2' -0.7' A Clayey silt, soft, n ✓ / ,�/�/ L/% to hard, ..1.9`-6.0' Lava Rock -—=--�-- - - Peat, 0.5' -IA'. i Clayey silt, very little clay, 7.6 10.0 _ Peat, 02' -1.0' C IAO 42 - �,/ C=layey silt, may or may not contain ✓ /i % cobble, softl' to hard r J a l p/ with depth, . 5' -'l 0: W' o u •� ; , j be.comp ng F .. debris in clayey silt matri x�-greY/Yel,low,l .0' -5. a` R 35 peat, 0. 2' •-1.0' f/`� ,'777 4,,j Same at Type C Soil, 0,5 -6.0 /� / ✓ Cemented e ted volcanic debris, u.,/� • a _ • grey, hard, 0.2'4.0 ca could not penetrate 40 10 Plat, 0,3'-0.8' Y Clayey si'lt,low clay content 1.0` -3.0' 'Jl ' Decom os i ng volcanic p . Q,�c�n�.9 debris in clayey silt matrix, 1.0'-3:5' Clayey silt, Higher clay content, 0. 5 4,'0' 0.51-1.01 4b 7-�- Peat, ..r - r / Clayey silt, similar .. a/ to TS+{ e C with highor clay content; hardness � i ' i increases with oepth,2:0 yS.0 70 10 peat0.2' - , 0.3' G� _. very shallow soil r�; ,✓ � :' (erosion sediments ) Resting ori lava cap 390 .LLY NOTE -1 LET TEP.S irtrt i0. CLASSIFICATION DESCRISED IN TABLE 1. -N- r SYALE 0 c 5 S 10 20 rJI5''al�^.t IN ki:-`Jh FFii7 Duri ng the" tiqi ntoll Ila i fly sea sp11 , f,c`a'I groundwatertables of a perched P, totLI e form i n the lyes %ei•n 5 i erra �ded�a.�r a f(4o Lhi 1 181, These local ground%gater ta'ble.s ,5r'e trot to be confused with the regional r,V.0und v titer - tabl es �wAhih at -e u'ti 1 i z cd i n apw.rest�',c water supplies jr ~` radise end othP.r' tooth i as areas. The aquifers v,,hich contain t e local groundwa ter tables tend to b li mi ted in areal ex4ent all discortin,ur,us. I's such, they are considered unreliable as sources of ddrriestic water. ' In addition, they are usually much nrarer the ground su! face and tend to be exposed in evtdfld arf:as such as the steep -sided foothill canyons and r tream b4d5 i —) eT w1" Discussions with personnel at the State Division of !bines and Geology indicate �+ that the subsurface lava strata slopes .gently to the south and west. This tends to cause local precipitation in the area to flow southerly, eVentually entering Kunkle Reservoir and Lake Oroville or passing more to the west toward Dry Creek and eventually to Butte Creek, ;and the ,Sacramento R vet^ 2.4.2 Surface Ny�ro`log y The most prominent surface water feature of the project site is Kunkle creek, shown on Figure, 6. Kunkle Creek is a perehnial stream and was flowing at less than 1 cubic foot per second during November and December 1978 site investigations. The creek flows' from north to south across the project site, and discharges into Kunkle Reservoir. The principal source of water for Kunkle Reservoir is the Miocene Canal, shown an f=igure G.. Owned and operated by Pacific Cas and electric Company, the canal a_.nd reservoir were built prior to 1900 to drive hydroelectric c to ,� r -bines at the ,Lime Saddle and Coal Canyon po�,erhouses Once the water; ts Coal Canyon Powerhouse, l7 AREAL t=X iINT OF ti�i„SIS!r' i' \'E:Ui/a1 lriN i- YbJRO.OGY AND SURFACE 1-t _ ” SCATTERED PINE AND BUCK RPU"F*j; MIOCENE CANAL RIPARIAN GRASS HABITAT LANDS , SCATTERED TREES MANZANITA ON KNOLL F WITH DENSE MANZANITA OAK'S AND PINE WITH GRASS STANDS OF OAK AND LANDS SCATTERED PINES GRASS LANDS i i W GU uj z 3G GRASS LANDS KUNKLI: RESERVOIR i�IDCE Iv SCATTEI?rD CA),.AL PINWS 4N`J O.AKS / i 1� PEN91Z7ck ORA 55 LANDS �' �.,�L��C:1' 9 y 5 h 4 i f �U,,,�,� . SALE _ ... _..w..". ,,„L D z 4 E B Io ..� ...� .. [I.- i kn MIOCENE CA►.,�iL a!M�NCE IN HJNDREb IT ET f it becori;eS the property of 'the California j Water Service Company wfii ch sel l s the water to the City of "0rovi1 e Therefore, the primary purpose of. the Miocene Canal is hydroell ectri c power g.erieration while domestic water supply is'a secondary purpose, i The source of Miocene Canal water is the West Branch of the Feather River at a diversion ` :ion. dam aboutone.. mile north of Magal 'a . _ 'Nominal canal capacity -is 90 cubic feet' per seconds During ,November and December 1978, flows of approximately, 50 to 60 Os were observed in the canal The canal borders the property on tho south _ and east_ as _shown_ ,on Figure 6}_ Kunkle keservoir„ as shown in f=igure 6, lies immediately south and west of th, project site. Although the reservoir^ is not on the property, i't is considered an important aesthetic feature of the proposed project, public access to the reservoir is permitted for fishing, but no boats, powered or 'unpowered, are permitted on the re,eti Voir : The Irom r nal capacity of Vunkle Reservoir is 154 acro-foot with the: hi ghwator l ire at 1 1445 feet above mean sea level] Maximum depth is about l9 r 40feet.6 rurther to the east and 10r than the project site by'about 600 feet i,s the hest Eranch of t{ie Feather River At high water, Lake OroVille water surface i;s 900 feet above mean sea level which tivo°u'Id cause backwater in the West Branch Canyon adjacent to the project ,site to rise to a depth of approximately 100 feet. The steep canyon walls in the vicinity limit access to the river, 2,.5 Veqetatiori and Wildlife 2.S e9ietatiol Vegetation on the project site is typical of - the.foothill area. Trees include digger pine, ponderosa pine; oaks, live oaks, madrone, and incense cedar. Shrubs include poison oak, manzanita, buck brush, California buc'Reye, redbud, a.nd wild borri es. Grasses and herbacious plaits include foxtail barley., wild cats, wild grape, Vetch, and star thistle. The areal extent of the dot;iinan,,, vegetation is shown on Figure 6, The burned area, -,hown on Fi cure 6 waa burnedin the sumii�r n 1976 and has only now begun to recover. No trees in this �G Ghia acral and Montane Chaparral (CH)(MC), These communities form a dense shrubby habitat less than 12 feet high, composed of buckbrush, manzanita, scrub oak, poison oak, mountain mahogany; mountain white- thort:,, and chinquapin. These areas occur throughout the mountains above 1 000 f'--IC and are widespread at higher elevations because of fire activity. Montane Chaparra' com}prises the (nigher elevation communities, These areas have formed as a result of fire and require fire for regeneration. some areas occur as a result of poor soils. hire control has •esul tod in an older age composition rnd higher dersit30 train occurs naturally as crell as a lowor wildlife species density and dlversi ty, w1 Yellow EL,,, Forest (YP) YP areas forest) are located throughout the Sierra Nevada and Cascade Mountain ranges dominating the eastern one"thi:rd of the county. T�� e YP forest is vegetated with a variety,of coniforous and deciduous plants Ancludi.ng prim4rily Ponderosa pine,. ,Douglas fix-, sugar pi ne, incense cedar, black'!oak, madron.e, deer brush, with numerous; tither deciduous plant and txee types. The mixed fairest or "Transition Life, Zone" lies between 2,000 and 5,000 feet and is a densely vegetated area supporting thq greatest wildlife diver- s,tty and density of mountain habitats The Butte County General Plan Vegetation Map indicates that no known or endaug;ered plants species exist on the proj,oct slte.S However, a site investigation performed b�,7 Mr,. Lowell. Ahart, of Orovi.11�-, during May 1979, .revealed the presence of ` oile and possibly two rare species. The one species po'siti.Vely ,identified as rare i.s Pol;< ponum. BldWellliao. tM.is plant is 'rather abundant on the dry, poor, stony soils of the project site. it is very common on one low hillock, with perhaps several thousand plants growing at this single location.' �P w ♦wa a� rni�wvrR. ,+.+W�e.� In the marshy area east of the meadow adjacent to Xtihkle"'reek, Mr. Apart dis- covered ,a small rusJj which he was unable to identify. lie i:s not certain that this plant is or is not rare, but'it should be considered rare until'proven otherwise. Material from this plant is being' studied on the East Coast and probably will not be identified for some tim.e.7'S 2.5.2 Wilms Wildlife known to inhabit the area includes ground squirrels, field mice, porcupine, rabbit; skunk; coyote, black bear, mountain lion, bobcat, and black tail deer. Mang species of birds and several species of reptiles and amphibians also utilize the prooect site. _Species observed during site investigations include black tailed deer, field mice, rabbits, gro=(, squirrels, a lame number of California quail, hawks, and many other species of birds Also observed was a very large Sierra alligator lizard. The Butte County General Plan Land Use Element identifies the site as being on the edge of the migratory deer range and, adjacent to the winter range of the bald eagle.6 23 2.6 Traffic Circulation .Primary access tc the � •07 sect site from Paradise is via the Pentz-Magalia Highways a paved twf - all-weather highway which r ane, east of Paradise roughlyun's from Magalia north." 'dir-ectly south approximately eleven miles to Highway 70 near Cherokeo as on Pi. shown gyre 1. Access from Crovil e is via Highwa;, `7p4 north to Pent z-Magalia Highway. Access from Chico s the Ch ico-Paradise Skyway and Pearson Road to the Pontz-Magalia Highway thence south to the Project site. Traffic counts.of 1,523 vehicles per day (ADm ) were determined by the Butte County'h-ring Public Works Department g ummer of .1977, Counts were taken immedi- ately south of DeMille )Road about one and a half mil project 7 es north of the ro `ect site. The estimated. maximum capacity is 400- vehicles per hour (two-way) orapproxmatel 1D00� vehicles Per day (24-hour da y) e.� ccee s 2.7.1 DomesticWater The Project site lies within the Lime Saddle -Irrigation District (S1D)'e ISTD obtains water from a 1 0-gpm well its 5 nonstrileted in March 1978 using droughty disaster loan futads UID also applied for a $470,000 Davis_ Grunsky loan to fa narice a water diotribution system for the entire district, A State review of the Project illdicated that a scaled- down version of thero ect p � was desirable dice to low population density in the southern of th portion e di8trict.8 Wherefore BSID was divided into two t'zon.es of benefittt i based on need and degree of development. The State 24 than approved the LSI0 request for a sum not to exceed $235,0.00 to build a water distribution system in the more, extensively developed northern portion of the districi The line that defines the northe,j�n arc7' southern zones of benefit is the east- West quarter section line of SeCtion 31 T2'2N, RAS;, NiOBhf. This line a 1 so bi sec+s th`e project. site, placing a portion of the project site outside the pi^imary zone of benefit. Portions of the districu outside the primary zone will not Vi eligible for water from the Davis-Grunsky funded system for about 15 yeorsx-d'ue to provisions of the Davit-Grunsky Act These provision's state, in essence, that the loan is: to provide relief and assistance to districts to upgrade service to existing users rather than to provide capacity for future,development, LSID's well is rated at a safe yieldof 150 gutn, of which approximately 22 percer7t or 33 qpm is GommittLd to eXisting connections. 25 2W 77.22 Lv'astewatrdr Disposal There 3, a no central wastewater treatment am disposal system in the Paradise area. �, treatment and disposal is by All�wastewater.. individual system (septic tank and cach field) 2.7.3 Solid Waste Disposal,: There aro four private solid waste disposal. companies' in the area. The indi"ridual homeowner,' may :contract With any operator , he choCs0,,s. Solid ,waste disposal is at the Butte County Neal Road site. The approximate life of the current disposal site is from three to five years. 2.2.4 Fire Protection Fire protection at the project site is the, responsibility of the California Division of Forestry (CDF) at Orovil_le. A mutual aid agreement between CDF and the Paradise Fire Protection District (PFDP) allows the PFFD to respond to 'local calls on request of the ODF Ovoville office. Response time is 10 to l,." minutes from, the nearest PFPD station; aboutseven miles away at South Libby Road and. Pearson Road. Currently, the drily vehicular access to the project site is a dirt fire-trail running east from the Pentz-Magalia Highway (Figxte 4)� and several jeep trails. One such jeep trail exits the project site to the north and connects With the paved street through Quail Trails Mobile Village. 2S Y'is 2.7.5 PQ1ice Protection i ce protection to t le project site j,-!.,u1d be- provided by the Butte County Sheriff's Office at Paradise. The sheri'ff's Office in Paradise reports their staff is currently critically understaffed with 13 personnel., including 10 patrolmen..1,0 2.7:.6 Schools v The following tabulati0h provides enrollment and st''lident-teacher ratio data for the three pubil,ic schools in the Paradise Unified School District thatthat would serve the subdivision. 197$/79 School 'Year Student -Teacher Enro11meLtnt Ratio Ponderosa Elementary 920 29:1 Paradise Intermediate 55''? 281 Paradise High 1>149 25-1 Discussions with the Superintendent of Schools indicate that 'Ponderosa Elementary schools will have double sessions during the 197q-80 yeer and Faridise High will experience sta-goored sessions.11 lire '`.:irl t 11:t=tidy to �ccotrjmorl the rC it;`y incl -easing cnrollr :nt by cons truct.on o 97 I a new elementarry ''choo'l as &0 as' land can be acquri red, and th"e' ' Nigh school w i I I be expanded as soon as fundsr become available. 2.8 Public Utilities Publ i c uti 1 ty trunk 1 i nes w�t'i'ch "are' presently install ed along Pentz-1\1agal is Highway include electrical power from Pacific Gas and' Electric n Cora a P y and tel-Ophone service from Pacific Tele hone Company. p p y• i 7"he►w'e are no natural gas pipelines near, the3 ro 'eto'ct �sidoth utility P companies have service centers, located in Paradise: z 9 PoRu7 ati�rr•t The projett site is currently uninhabited. The estimates population of the Lime Saddle irrigation` Dist,.ict is 243persons.8 The areawido population + t,ered in Paradise The estimated Population �s con of the Paradise area is 24,,tOO6 based on population' figures presented ill the : Utte County Genera! Plan,- The October 1 075 pcoul ati rrl of the Parad 7 s- Urban Rrop was POi658i 6rOf I itr whe Paradise arc-a fl-0111 1570 to 1975 r,P l;c,ert; Or 5 pal"ce17i` p'r yvat" for the six.-ye-Ar {�}�' ,,")I.Ojectih.g the 1 9i 5 Porrul at i'on th1-C��ci1 iY.�, 3 , 5 years yields r� rICt 20, 5503 ( 1 g7S) x 1 .05 3, ;J The estimated population of, Butte County oii January, 1, 1979, is 134,000 persons,.l2 2.10 Archaeological and Historical Resources Prior to the coning of the white man, eastern Butte County was occupied by, the northwestern Maidu Indians, The majority of the occupation sites, or villages, were along streams with salmon aims the foothill oak tree range, and .the deep river canyons which gave prote?ction from wild and cold; The sites were usually close to grater. The Butte County Regional Transportation P1 an ELR13 identifies the canyon of the West Branch of the Feather River and Butte Creek Canyon north' of Paradise as having a high probabi"o ty of the presence of archaeological sites from the Maidu Era. Settlement in -,Butte County began in 1944 when several Mexican land gra.,nL,s were awarded .13 Very few settlers came into the area until 1S49 at the time of the gold rushy after which the population increased rapidly for several years, By 1857 the placer mines were largely Worked out and the milning industry since t'' ­'n has 'been a minor factor 'an°thee development of Cut.0 County. � 9' 2.1 11 Pl,ann,ing _ nd Toning The land Use: Element of the Butte County General PI an identifies the project sit e''as lying in the' Undeveloped and gc�source Management Region. This classification indicates that the"existing land use is 'not urban, transitional, or regulated by the Federal GoVO-rnment. The ex'ist'►`g land use of the site is vacant undeveloped ;'Iand The project site is zrned Butte County besignation A-2y Geine`ral Use,, except for a section of land as�ng pentz-Nlagal a Highway. This section w,hicfi extends parallO to and 350 feet from the centerline of the Highway is zoned SN Scenic Highway, That portion of the Pentz r Mia gal i a Highway designated Scenic Highway extends from DeMi Ile Road near Para��iso south to Highway 70 intersection, a total distance of about seven mile`s. The SN zone aIlwss sin9le-family residences as a permitted u`sd: 0 3 0 CNV 1 �?ONfdENTA!�iPACT'.J�AI_YS,I5 For purposes of an;alycic, it is assumed that 170 single-family rr:$idences will be erected on the site. j ,.Using the population densi ty for the Paradise area of 2 3 persons per household, ._as i nd;i sated in the Butte County General Plan6, 170 single-family hones represents a subdivision population of approximately 390 persons; 341 Public ! ui l i ti es and Services The proposed' project will be located In a rural area. Those municipal servicd5.twhich,are available include utilities, sc)lid waste collection and disposal, pol i cE! and fire. protection, grater supply, and. a publicsch:ool system. �4astewater disposal will.be through individual wastewater treatment and disposal systems (septic tans and !each fields). 3.].l Utilities Available utilities include ele; tricity Z rom _Pacific Gas and Electri~ Comp -1-11Y and telephone service from pacific Telephone Company. Th -ere is no available natural gas service. Trunk lines for telephone and electrical service are installed beside the pentz-Magalis W i g hwa,y. No new major lac litie would be ►lecessary to ppovado utility service to the project site. 3 1 2 Solid Waste Di spwosa,'r. So I id e..collection -and disposal will be adequately -serviced by the existing collection companies.There ari�� four collection companies in the Paradise area. Discuss -ions with personnel at two `of these companies indicated that the project could be adequo�ely serviced by ei t.her one of them. ' Ai l four companies currently., convey refuse` directly to the county dump site on; Neal Road,. There,are preser'tly no transfer stations in the immediate Paradise area; The present anticipated life of the Neal Road dump site is three to five years, The county has additional land avai l a'bl o adjacent to the present site for expansion in the future. 3.1.3 Police Protection Police protection till be provided by the Butte County Sheriffs U,r fi ce in Paradise: The Sheriffs office reports that they are critically understaffed at the present time, due to the rapid grcwth rete of the Paradise area: The project site v;ill further increase the \-rork laad, although to a very Minor degree. 3 '�' 3. 1.4 Li -re .,Protection Fire protect - 1011 for theproject site is under the jurisdiction of the California Di Vision of Foresti-V, r e s p 041 t 1* at oroville, With a 1ne of fr'bm go to 30 mi-nutes. Due to the high response time,,, the rorestry D!,v,Iz;ion has -entered into a �nUtU61 agreement IvIth the ParWte, Fire Protection District whereby PFPD Will res,Pbnd to Vfire in t) Para di sp- - area Who -In requested by CDF. Th 1� e nearest PFPD sta,;tion is at South Road, at 'Pearson Roa&, with a response time to the s project 'i to of from 10 to 15 (JIi nutas . R I esPOnse time is due to the procedure of first calling CDF (California Division - on of FOresty) Who then calls PFPD (Paradise Fire Protection District) who responds to the call. Discussions tv, , h tpersonnel at the PFPO station indicate that the Proposed 170 -lot subdivision could be adequately Serve I d Wit' -h no decrease in the 'I of se I'vice ata ilable to other areas. I'n sur-d-,IarY�' with the exception of the Butte County Shel Iff's DePa r" ' PIentt services are 110portod as being adequate to Serve, the proposed project, The exc-eSSIVE work load of the Sheriffs Office is reported t 0 be L L off` Or' a Olcnclral high growth rate in the area., 3,,2 Eater Su ply, it ernaiivos T1iere are several alternative,so,urces of supply ` for domestic Water on Ithe project, site. These i ncl Ude Purchase of water from the Lime Saddle Irrigation District. (LSID) Purchase,of water from Butte County using Lade Orovlle as a source. Purchase of water from the Parad I se Irrigation 'District. ('PTD) Purchase of water from the California Water Service Company, via the Miocene Canal Construction of an on-site well, .A combination of the above alternatives. Pur;chase of t.,rater from either the Paradise 11-rigation District (PID) or the California Water Set -vice Companyappears -to be infeasible. PID has indicated previously that they have barely enough resarve capacity to supply anticipated growth within the PID: They are, therefore, unwilling to sell water to a purchaser within another district: In the spring 017 1914, the California Water Service Company was approached vJ th a proposal of exchanging 4- a er with the Li r peL Saddl e I rri Dation District; It Was proposed that LSID r .move vtia `rr , the r;ior tle Canal and replace it with Lake Orovi 1 l e water, for which LSID had ail allotrent California .ti v ►' \' i '.` i? '"x ° �, rj' 4ti ' ►: "d , . is n pump 1+ e t e r V IN Al t'l7ou h det:ermi ned efforfis were made to, ,reach g would not consider^ an an agreement, CWS agreement for exchange of Miocene Canal water, RurchtSe of water from Butte County Wsing Lake 0"Oville as a source is technically feasible and, no doubt, the necessary legal and insti- tutional ar'rangrments could be completed. However, the cost of energy tou mp the project site from Lake Orovi,l i;e hater to at an elevation increase of approximatel,,y 700 fleet, causes this, .alternative, to be costly, Other alternatives such as developifi�int of a new' well tvi l l produce the same resu7 t at lower cost tO the consumer•. The pt o j'ect site lies wh71 ly ivi thi r the Lime Saddle Irrigation Distr-ict. Hatvever, provisions of the District`s bavi ,'�runaky Ioan required that the District be divided into two "zones of benefit," eased on need and degree of devel opment. Tf;,e in i ti al zone of benef i t is all lands within tete LSID, north of the east- west quarter=-sect pn line through 0 ecti on 31 This line splits the project site; some of the pro' est site lies OUts de the primary ill,ono of bend t i is of" the 'SID. The portion outside "he prirrlary zone cif benefit would not be e1 i gi bl eor water fthatn L;;Yb for about 15 years due to provisions of the bavis-rr.unsi,,y loan, In addition, used on a preliminary engineering evaluation , the existi'r.o LSiC well could not tueply the arOeWted tatalFfi1`aC a.t!;e 4i'Strict Yrd ho r,a•u CCt s 4G, e? ; ex-l"c "r CID� r-.:Led Gt a sG e ,}meld O'FR sti,vlj Mk`Fyil4 QT t°rhich arpro.�. t.L03, 2 �, ►`CEtt w: or 633 cpr. is cofPtritt*d w } e'cd o existing connections. The projected ff te vrequirement, for the proposed developm'ec' ti ater reg re„ is 122 clpm Estimated popul a 4�on, of subdivision- (170 lots j poisons/lot) _ 391 persc�n,sy say 390, persons, use: (.20q gpcd)(390 persons) 1,18x:i mum 'da • (1.5 peak month factor) 1.17,000 spd 8`1 gpm. Source required, using saetyjactor of 1.5- (81 gpm)(1,5) = 122 gpmr Thus, when the Project site becomes fully devplope'd;'he additional water will be required to sevv; project in addition` to that currp'rttly awa i l able from 't'h'e existing LSID well. The most f Basi bl e and cost-�Pf f ecti ve` �tiater, supply ell for, the proposed project is development of a w distt^ibutiOn system to supplement the supply cur,�ently available from LSIQ. This supplemental supply can be conveyed to LS7D, �;ho will assume re�ponsbiTi^ty for operation and maintenance. LS1D i s Gontemp7 a ti rig a new well n theindefinite future, and has anal'yiect several' sites in the di 5tt,i o't for future wells. coordination of LS`ID early in the pi'oject wi11 assure that the supplemental ��-ell supply for this project is torsi stent a;i 4,h l ong-te rm Di stri ct plans: 3.8 public Scho»o1� s 15,� e+rt . � ed that the proposed project Will It is anticipated >�tamy have Criinor ilnprrt upon the l rl sa^ Kcal sthoo" ����r�ion OT i11'e poi dive F:rr;a atrzaC s a latr;e �I`�r tlr+�d persons. This 15 indicated by the re rFl ati vely hi cch Tedi an e o7 r and 'he 1 r' i ` It is estir►ated that the proposed project will contribute no more than 50 school-age children to the local school systems. This will not 4' significantly alter the' existing student/teacher ratios of 28 to 1 ; 'A a elementary schools and 25 to 1 in the secv, .,,,r,y school s. 3.4 Wastewater Dimes osa.l Wa'stew,aVer disposa'1 will be through onsite systems. A thorough site investigation and analysis Was performed to assess the capability of the soil s to acE,,e,p,t and treat wastewater. This site irn`►estipation is more thoroughly discussed in Appendix Bi All. percolation tests performed during this study conform to Butte County 'Department of environmental Health "procedures: percolation test holes were located in such a manner as to assure that representative percolation capabilities of the entire site wore deter}mined, in addition, 46 c f the 48 percolation tests were performed in or, adjacent to soil exploiation trenches, to better correlate the results of the percolation tests with the soils investigations, A summary Cf the percolation tests is presented in Table , it vlill be noted that in a instances, individual pp, --olation rates dat-re below,- one inch in four minutes, These locations do not contain gravel or sand`, but fine grained loamy soil. (hese soils %1111 PrO- i'63 ;I�egt'8'e tre.ail. itnt for i'i a' 44!'eG kx♦rr. Test Hole Number Hole Depth (inches) PercoIati, o,n Rate inch/minute Test Hole Nlumbei" Hole Dept (inohe 3 301" 1''/4 min. 48 84"►' 8 3011 111/60 mi n. 49 42" 13 3511 1`/96 ruin. 49 6611 14 3111 111/28 mi n. 49 96" 19 3011. 111/95 min. 60 616 26 50" 111/40' mi n. 50 108" 34 30" 11769 mi n. 52 7271 38 30" 1i1/40 mi n. 52 103" 43 3211 1"'/10 min. 54 30i1 43 8411 1"/240 rain. 55 4P-11 46 - 6011 VIM mi n. 5-5 1021' 46 102" 111/6' mi n 57 3611 47 5411 11"/8 min. 57 60)1 47 96" 1"/5 min. 57 96,1 48 4211 111/3 min. 58 42" 48 6011 111/6 mini 58 6011 h s) Percolation Rate inch/minute Test, -) Holt NuMber Hobe Depth I (inches) Percolation. Rate inch/mi nu Le VI/27 mini r 111/120 min. ' 58 1201' 60 3011 111/160 min..; VI/4VI/4 min'. 61 301' 110/107 min s 111/34 min'. 63 30t1 i"/44 Mlh-' 111/2 min. 67 :1011 1"/8 min.` 1"/2 mi'n. 70 3011 1", 13 min.;' 1 `"/20 min. 70 90" 1 "/80 min: 111/28 min. 73 3011 1"/12 min. 1"/2 min. 74 30" 111/60 min.: 111/3 min. 77 30" 1"/96 rain,. min, %$ 311' _ 1"'x'80 mi n, 5 mini 79 311" 1"/60 ming 111/5 min. 84 31" 111/107 min. 1"/32 rein. 90 31 111/28 min. 111/'2 mi'n 92 301' 111/6 "11n,' 111/1 min, 93 3011 111/'80 min. . r An,alysi ,,, of 'th'e soil's investigation resul ts' site slopes, and the percolation rates indicates. that aroroxima 4,1y 80 or 310 acres of the project site is acceptable foto placement of septic trink leach fields. I t is anticipated that wastewater effluent df inferior quality will not enter the 9ro0indtva.tes. The subsurface geology of the area indticated l asers of impervi Crus 'stratum sepa.l-ati ng t.he V rious. wager bearing aquifers.2 Thus); the leachate will travel downward to the impervious stratum, therr.e horigontally. it is anticipated that ;a portion of the leachate w111 enter Kunkle e Creek _and Reservoir. The distances effluent mutt travel through the soil before entering surface waters ;ensures that sufficient soil contact: tjine and filtration be provided to assure protection Of water quality 3.5 Erosion and Sedirne��tation Due to the N110 -textured nature of the soils -,Fen dry, some caeo in the design and cons tru tion O -f on-site rnprOve-t tilts will be necessary to Prevent problems f)worn erosion and sedimentation. Large areas of cuts and fills tend to be susceptible to erosion until they become r�ec,.st4bIi5heo z,ith goi.ation. llir.or, short-term local i,- ed erosion 1:d3, occur during construction of roads and tt eets, inscalla'tion of Underground uti l i ties and cOr4struction of individual home sites, II :Cf appropriate'eresion control measures are hot taken during .construc-tion of , the :subdivision and by the individual homeowners after occupancy, the possible iiVact on local wa,terco*brses and Kunkle R.eservoi3,k could be substantias': Excessive erosi.o� will permit sediment to n collect, ilocal draipage channel'e, possibly causing alteration of natural channel alignments andd reduction of rA.,pabian habitat. 7f" erosion is permittedd to conte ,cae, sodiment could be carried. into Runkle �,Ieservoir, reducing the capacit-y of the reservoir;, and advea::,.ely im- pactitS the reservoir° s aquatic Rand r.' pariah habit,at Should erosion be permitted to advance to the point of silting the reservoir j the amouit of material eroded from the hillsides in: the sub- division, in all pi:oba'bility, will be sufficient to damage and reduce the capacity of stormwater drainage facilities and undermine and expose building foundations, roadways, and utility lanes. Siltation, and excessive turbidity of local watercourses and Minkle Reservoir caused by development of ,the subdivision las not anticipated to be aproblem. Conditions of excessive erosion and sedimentation can be adequately controlled by employment of the toclaniqu.es outlined in Section 4.143) P-nvi.rontettal Pvotection Measures. n 3.6 Drainage The site contains .felt recognizable drainage courses,. hros't st:ormr"a*ter run '" off occurs a5 sheet flaw in' a soutfierl,y directiontoward the seve)'al gullies indicated on the Tentative Parcel Map, Figure 3, Molt on-site runoff enters Kunkle Reservoir, either directly through. overland' flog,' via Kcrnkle Creek, or via the ►ocere 06416 ' A. small Portion of runoff along: the.. _. e astern edge of the prpject site passes under the Miocene Canal ;lumo and enters the Wes I t B>ranch of the Foatljbr River_ It is anticipated that the pPoject will have a minor impact On she quantity and direction of site drainage .> :Y8 tem of roadside ditches;, culverts, and drainage courses will convey the '1110reased „mounts of drainage to the natural drainage course s For ul timate dischargo of f the site, it is estimated that when fully developed f1 orr 4fto o,�e-in"tl✓n..�,ear storm wi11e aY;lAtrii,"rtely�0 cg's, The drainage iirpravetrients Wi11 be sized to convey the anticipated runoff from a. one^i n- t0'n. year stc11"�,. e\,rl 1n t perd , ay' average daily traffic (ADT)'. Thi8 represents 50 to 550 vehicle trips pe`Ir hour based on: the conservative estimate of an 18 -'hour' day. The proposed subdivisiGn could add as many as 660 vehicle' trips par day to the Pentz-Nagalia Highway and about 82 trips to peak -hour volumes on the highway. These figurejsassume an average bf" fo= Ione-;:ay,"veh cle trips per day and that traff' .c (!:using the peals hour of the ' day will be about 12 percent of the gaily total. - The added. traffic W.2,1 not exceed the current • estimated capacity of tho, Peutz-Magalia Highway. The proposed access road to the north will connect with an existing right-of=way shown on Butte County Assessors Parcel. Map 55-30- The access z�oad is a dedication of portions of AssessorsParcels28, 29, 30, and 31. The existing__ right -of --way is currently graveled and forms a cul-de-sac at the project site North property line. It is felt that connection to the gravel access road to the north can be made immediately, without the need to further develop the land north of the project site, I Every attempt should be made to permit use of this northerly access road to provide the project site with at least two points of 'Ingress and eg:cessi This is necessary to relieve possible traffic rongestinr� on a sing,..e access road and for jzproved fire protection. 41 3.8 Rare V'e5etatioh a One, and perhaps two, species of rare ,plants were found during the botanical investigation of the project, site One species, Polygonum _Bidwell,iae thrives in,shallow, dry,stony,soi found in the meadow area in the Kunkle Creek valley. Thiq is also ty'e area whioh contains insufficient depth of sral to permit installation of septic tank sy�otems, Therefore, a, portion, of the area w:Ach. contains the rare Pi71ygbnum Bidwelliae is also the area which has been dedicated open space, with no imprsvement,-� to be perms. ted. The re- mainder of the area which contains Bidwelliae is scheduled for irl.kdividual lots in tie,I.0 acre to 2..25 acre range The area can be found on the Tentative Paroel Map, Figure 3, as Lots '74 through 7? and 3.45 through 1500 There will be some adverse impact on Polx5onum,Bidwelliae during construction of roads, installation of underground utilities and construction of homes Tlie rush, which may r. may not be rare, is found in the narshy areas east of the meadow adjacent to 11ankle Oreek. Since rushesre- quire ronsiderabl.e moisture, they grow in areas which ars not suitable for construction. 'There- fore, development of the subdivision is expected to have little impact on the rush, should the rush prove to be rare or endangered. 41a 4.0 DISPOSITION OF FINVIRONMENTALIMPACTS 4.1 Lnvirontnental. Protection 'Measures Irieasure-s which should be considered during design and construction �of the proposed project to red'uc;e potential 'envi onmental impacts to .an insignificant level are discussed below. There are no potential envioyon.mental impacts which cannot be reduced to an insignificant level 4.1,1 Domestic 14ater SUN I Domestic t4a,ter for the project site will be provided by the existing Lime Saddle Irrigation District well and the proposed' trunk line along the Pentz-Mag,alia Highway,. The supply will be supplemented via an on-site central well; storage tank for pi,essure regulation, and a main distribution syste,,) This system frill be physically connectedto the main ti unk along PentZ Magalia Highway, With title to the .system being conveyed to the L.SIp, This procedure Would be consistent With current District plans; which is to develop a second Water supply well in the northei,n portion of the District. The new wol 1 Will provide an and rel iab.le V;al.er supply to the pI— o c t s te; and, toC.ether 14,ith the ex 5ti ng v;e"i l , provi da 6n adequate acid rel Table v; ter suPPly to the entire District. sys :tit'! will be bui l t, to I.sio strandards to ensure oomp,atib `lity with. 1 53 1 r+ a i 11 C Y. s 4Y1E- 111 �. 4.1 2 11asteW6ter Disposal ' l roperly designed and i nstal l e individual wastewa=tele treatment and tems wi71 provide many: years disposal sys of service, provided they ,� re installed 1n at`eas conducive to %.�astewater disposal The on-site investigations indicate the area will adequately treat the anticipated amount of 1Yiastwater produced by the subdivision particularly due to the large ' lot sizes and general favorable soil ` conditions:Y ' 4.1.3 Crosion and Sedimentation Control of erosion and sedimentation requires control both during project construction (temporary mr,asures) and after completion of the {project (permanent measuros). tiany ,potential erosion problems can be avoided by carefuldesign of street Y and culvert locations. Streets will •, conform as clpse y as possible to the Y 4 R existing, ;gontour of the landscape on the project s.i te., r Gut and fill quant i ti e:;y will be held t,o a minimum. Culverts should be -sized to. min 1 mzo standing qa ter whi l e r!i rec t i ng runoff to existing drai,nq,,_qp,,co..urses,.i 1 f necessary due to slope, roadside ditches could .contain erosion control facilities such as cobble lining:, check dikesto ;reduce flow velocities, etc. Durirg construct Ion, sediment should not ��be allowed to exit individual construction sites This Gould be prevented by control dikes or ditches as necessary. Raw construction area should be revegetated with native grasses, to reduce erosion from wind' as well as rainfall. 4, 1.4 Rural Eire hazard j There are two types of fire hazards at the project site: structure fires and brush or grass it -es Eithar type of fire may It -ad to the other, given proper c'l inta tic and landscape conditions. Several provisions should' be made to reduce the risk, of a fire spreading once it has r tnar ed as vecM as prevention of a, fire: especia ly a brush fire,. The single most important fire prevention ►easures is public education: most rural r5}t";:1%a-C, Ca1 ;'ir,y hazards, but fit is anticiLated that many pr;rchasers will be retired couples or e. per`se/ns will require information concerning a potentialfire hazards and their prel ention. Some significant items include: Allow no outdoorburning of trash or brush.' Be aware that sparks from lawn mowers, etc. , will start fires. ,Cigarette butts must be extinguished. Automobiles with catalytic converters can ignite dry grass if the converter is in direct contact VV th the grass. Firefighting is most reliably ensured by an adequate supply of water at a proper pressure. The proposed water distribution sy,:, ,em will provide that reliability. Also:, a stifficient number of paid call. firefighters should be recruited to provide a reliable firefighting force with; a minimal response time. 4.1.5 Rare Vegetation A majority of the rare plants on the property are hind in areas in which no construction will: occur. The remaining areas which contain rare plants will contain residential densities of greater than one dwelling unit per acre. The low dwelling unit density will aid in re- ducing the adverse impact on the rare plant population. Further reduction in impacts can be achieved by identifying concentrations of Pol; o� num, and., requiring construction to avoid these concentrations. il 45 4.2 Alternatives to.the .,Proposed Prosect Alternatives tothe proposed project include: 0 a project with ith cluster� or multi -family housing units'. tL project with smaller,, lot sizes., a project with larger lot sizes. no project. The first two above listed alternatives are not considered feasible. Cluster or multi -family housing 'snits are not in keeping withtherural setting of the project site. The greater density permitted under mult:L-f amily housing OT 8mallbr lot sizes could result in a greater conslmpt'Lbn of domestic water, greater quantities of wastewater generated, greater energy consumption, a severe impact on the aesthetics of the region, more traffic generation, etc. Based on the percolation studies, the project site.can, adequately accommodate the quantities of wastewater anticipated from the individual systems. 'Tiot layout and size have been specifically tailored to land capability Tor onsite disposal of wastewater. At increased densities I a $Owored project would be required with wastewater treatment at a small treatment plant, perhaps a package platit or ponds. This action Would result in increased development costs which would increase the price of the individual lots to the consumer. project with larger lot sizes Would reduce the number of parcels available and reduce the potential impacts of the .project. it would also result 11 In a lower rot -am on the developer0s investment'. Additionally, it may not represent the most efficient UOe of the 'Ata- The soils are con- sidetea to POOSe88 severe limitation for agricultural tiooi. The demand for housing in the Paradise area is -Lncroasitnr,.. I�heveforej to preserve prime agri(kultutal lalado. Inrds with marginal or no bonefit should be developed Tor tkoe to the maximum dotoity W; Pe rmissi'oTe' 'co tisis-tent «vith planning constraints +' aid environmontal considerations. Tie "no" project al t e r n a ti vc tvoul d preserve the present nature y of the proje?ct, site with no changes in the status of t he 1anv1ronn, ent.. It would not remove or, lessen the current demand for housincg in <the* haradi Se area. Therefore, the. housing ' woul.d probably be erected elsewhere on a site either more or less favorable than the site ander consideration in this report 4.3 The Relationship Between Local Sho I '"germ Uses of Mian's Environment and the Maante rice Of Lono-Term Pr oductivi ty The prin,.ipa'l envi'ronT.ienta'l effectsof the proposed project are long term in scope; The short-term effects would be primarily those impacts discussed in :sections 3,1 and 3..2. The construction of a subdivision v,i th a reliable t-tater system could have the impact of permanently converting the area from open Brace to re4irential, ;'r,2 availnhlity of a or and.h,,; p v t,�trce of a rural tuhdivision wi'II tend` to encourage thr� t1-8nsition from a tr''Shy ridge i.op Into .a - Co, nsideriifg the long -t,erm ;productivity of the -envi -ontrient on an areawide or_regiooal basis, this area is well suited for residential development; The soils preclude its use for timber or agricultural production, and resid`ential development in this area would reduce the conversion of prime timber ;ands and agricultural lands in other areas to residential use. 4.4 Irreversible Lnvi°ronmental Changes Which Would Be Involved inth4e P�reposed`Action Apptroximately 390 acres of currently undeveloped brush and grass lands will be irretrievably commi toed to si n9l e -far- i ly residences on rural size lots, This in turn could lead to accelerated _ deVCiC)p;-,,ent of adjoining pej�cels, The favorable irreversible change is the conversion of land with little agricultural or tirboe-producing potential to residential use, thus reducinc the cri.v.-.rs ion of prive land to 0 PrC�i'Ct 1 tt a n t i C i a hm-ve the �[rYa4iC,.Y .aC"fir',%i rH rc� r: .. r a ; y, "^. `l +"'. w a s. w n w `wi r�c 4 C r { L', �: �� r / to. t;he District of an e.xpp.nded ;rater supply system. Past development in this area has been severely restricted. by lack of adequate ater supply. l4 water The adjoining Paradise Irrigation District, which has a water system, has experiencedrapid growth duri;, ng the past 40 y°ears . 14 It is generally accepted that: development tends to attract further development. This project could attract further, devel oprnent along Pentz-Maoalia Highway south of Paradise, "filling in the gaps" created by a checkered devel op�,�ent along the road. Tills ►could somewhat relieve development pressure on the prime agricultural lands. M REI:E,RENUS l BUTTE COUNTY GENERAL PLAN, NOVEMBER 1977, 2. CREELY, Robert Scott. Geology- cPf the mOt ov 11 Qu�aurangle� California, Bulletin 184, Califo►t►iia Division of'Milnes and Cpol ogy, 1965, 3: BAILEY, E. H. Geolc?gyaof Northern Cal'iwlo► nia, Bulletin 190, California 0ivis'ion�of 11ines�and° Geology, 1'966. 4. SEISMIC SAFETY EI.EkENT, BUTTE COUNTY GENERAL. PLAN, 1IARCN 1977. 5; PACIFIC GAS & ELECTRIC CO.,_CHICO ENGINEERING OFFICE, po►,15ona.l communication, April 1979. 6. LAND USE ELE'NIENT, BUTTE COUNTY GENERAL PLANt. REPRINT,, FEBRUARY 1979. 7. BUTTE COUNTY PUBLIC WORKS DEPARMENT TRAFFIC SECTION, personal communication, Apt~il 1979. 8, CALIFORNIA DEPARTHiENT OF WATER RESOURCES, Lime1. Saddle Re ort, {September 1978: 1•rator Supply end Distribution System g, P.`:E:AD'ISE FIRE PROTECTION DISTRICT, SOUTH LIBBY ROAD STATION, persor,al cv+ vnunicaticn, April 1979, 10: BUTTE. COUNTY SHLRIFF`S OFFICE, tARAOISE, person co►ymunication, April 1979. 11, SUPERINTENDENT OF S1tIOOLS� PP.01 ARISE UNIFIED SCHOOL DISTRICT, personal co;a ul ca ` 0 ,� 1 1979. 12. CALIFORNIA OLPARTItL'1417 OF FINANCE, POUPLATION RESEARCH UNIT, ropultiti.�► Esta Gies for Califot{rti Cities and J 19 7 antl Lanua►'y l ,� fi 978, acrraMe Lo, Counties, �� w _ 1�. EUiT 9I)LUl��`r:1,y+rl r�tCn't�l. li,_�"_�Sfr�"?► fiIo!4 PLAN r,l\'��IRC�1�i`;��7rAL 14.. � LISIROLLSYAI14D ASSOCIATES LIFE SAME IRRIGATION ilit� ":Mort for I1�vis�N un�ly `�fo r .;:.`i 1 Ahart; Lowe114 Letter to Goddin; DV' 8co1.1, end Also .at e,; Mai* 31., 1979� EO APP'ENDI'X q DESCRIPTIONS OF SOIL PROFILE TYPES TYPE A SOIL PROFILE This soil profile Co is 'sts -of two distinct lenses r'esti.n,g on 'the 1 ava cap Uppermost lent is. organicdecomposition and peat material; depth varies from '0,2 foot to 07 foot. Readily identified by color, odor, spongy feel ,= and frequentl v by fibrous texture. The "pe-'at" layer is common to all soils classifications: Clayey silt; clay content and hardness increases to trust colored. Mayiorpmayenotecontainrcobbles and boulders to 24-inch diameter: No apparent volcanic debris. Plasticity ranges from lo►y to high. Dilatancy varies from none to slight. Depth varies ram 1.9 feet to 6.0 feet, average depth---3-,7 feet. The extent oi' t- is soil profile is rather* 'im ted, It totals about 22 acres iri five different locations. Tho absence of volcanic debris could be explained by erosion of the deposits, but is more likely to be just an accident of nature. Although the soildepth is rather shallots, phis soil profile exhibits an excellent PtrcolationL rate. Hole 70 in the region adjacent to the hio�.way exhibited a percolation rate of one inch in thi r.teen r.inutes, Only nine exploration tt-wnrhos exhibited this profile, TYPE B sOIL PROFILE a This soi'1 prof'i le consists of two distinct lenses Uppermost lens was the peat layer previously described, , Clayey silt, containing very Tittle clay The :soil was reddish brown in color and exhibited a uniform distribution to the bottom of the hole. Rcots penetrated to the 6-7 feet range. ' The material Was relatively soft and could be easily .disturbed at the maximum depth. . Deth h p p ranged from 7.6 feet to 10.0 feet; average idop'th--8.8 feet, 1 Plastici slight.ty was very low, and dilatancy was ' The extent of this soil profile is extremely limited, having been found in only two exploration tronches The total extent is approximately 6 acres. soil' depths are in excess of 1 feet and the percolation rates are excellent_. Percolation rates are'"1 inch in 4 minutes at Trenches 46 and 3, 0 2 TYPE C ,SOIL PROFILE i 'This oil`'profile"cdnsists of three° distinct soilhorltons-t Peat, 0.� foot to 0.7 foot 'Clayey silt Wlt'h variable characteristics - Plas'tici'ty rangled from low to high and dilatancy from 'somewhat to none. 'fhb soil is generally rally crumbly and hardness increases with � e th. While it may or ma n-ot contain cobble, the °to,tal absen'c'e of cobble would be unusual The ion -p" lace coloris reddish brown; .,ry 'to rich 'brown, wet. Depth ranges from 1.5 feet to 10.0 feet; average depth --3.8 feet. Decomposing vol ca'ntc debt -i's '`n a clayey silk: matrix. This soil horizon appears to be a continuation of the above with the volcanic debris comprising from 10 to 60 percent of the soil mass. The decomposing debris are discrete "bombs" VIf,icry exhibit a characteristic yellowish- grey color. Plasticity of the matrix is low to medium, tending toward medium, o dilatancy was evident'. Dep,E11 ranges from 1 . 0 foot to 5,0 feet with tiro average depth 2.3 feet, This soil profile is the most extensive of all soil Profiles on the project site. A total of 42 exploration trenches exhibit this soil profile, representing about* 180 acres. This soil profile ex'J bits adequate percolation rotes, in the range 'Of -from one in5 minutes to one in 80 minutes, 1 TYPE 0 SOIL PR0F1.1.E of three distinct lenses: yp s This soil rofile,,similar to T e C also consi=st Peat„ 0. .2 foot to 1:0 foot Clayey silt, similar to the same horizon in Type C soil Depth ranges from 0. 5 foot to , 6..0 feet, with ,an average, depth o .3.0 feet: Cementedtvolcan:ic debris .consisting of ash, cinders, sands, and +cobble. This composition ,is very .hard and will not percolate water. It is crey in color. The depth is indeterminant because it was never completely penetrated but the depth of entry into the horizon varied from 0.5 foot to 4.0 feet The tent of this soil profile is rather limited. Itencompasses about 42 acres in three locations, with three -quarte -s, of this acreage (32) found at the southern edge of P property near the section line between Sections b )d 311. This profile was found in ll exploration trenches, 7YE Ey50iL PROFILE Thi s soil profid e i ±; the only soil profile exhi bi`ti ng + fourdistinct soils horizons: seat, 0.3 foot to 0.6 foot.. Cl-ayey silt with a low to medium clay content. Hardness increased with depth_. Low to medium plasticity and dilatancy was hone to slight: Cobble content ranged from none to approximately 20 percent. in-place color is a rusty brown, Depth ranges from 1.0 foot to,3.0 feet. I Decornpos,ng volcanic debris in a clayey_ silt matrix This soil horizon is identical to the lowest soil horizon in a Type C soil profile. Depth ranges from 1.0 foot to 3.6 feet, with average depth 1.9 feet, Clayey silt to silty clay, similar to above clayey silt horizon, but with a higher clay content. Soil is harder, darker brown, and exhibits a ;.ilastic ty than above. Some moisture present in this horizon. Penetrable depth varied from 0:5 foot to 4.0 feet, with' an average penetration of 1+6 feet This soil profile is of limited extent, buir.- repress. rted in 10 Excavation trenches for a total acreage Of'about 40 acres. Percolation rates are expected to be muderate to low. The only percolation rate determination.in this profile resulted in a rate of one i aich i n 70 minutes. 55 W 71'PE_ SOILPROf ILE' This soil prof'iie consists of two distinct 1enss � Peat layer, 0.5 :'Foot to 1.0 foot., ;aver-ge 0,.8 foot. Clayey silt, with clay content, density, and hardness increasing with depth. The soil is rust=colored in place and contains>no icobble or volcanic debris, Root penetration is slight. Pl asti ci-ty ranges from. mod uni 'to high with no dilatancy. Depth, to refusal ranges from 2.0 feet to 5,0 feet, with an aver-age'of 3.2 feet. The soil profile is very similar, to soil Profile B except for higher clay content which increases the hardness and causes_ refusal to occur at .,a 1esser._depth than Profile 8: The depthito bedrock was not determined. The areal extent of this soil profile is approximately 43 acres as determined by 7 exploration trenches: Q e S y G^.§0yIL PROFILE This soil profile representsthose areas which e exhibit a very] shallow depth of soil over the under lyinglava cap,. The'soil appears to be sediments, carr1ed by wi nd and kVater from the hi gh,er' surroun'di ng elevations. The soil layer is similar to the predominant clayey silts iln the arca with a minimum upper lens -of- peaty material. The soil' may ormaynot contain c o b b 1 e. Since tho sbi 1 depth is less than 2 feet' t`c) bedrock, it is unacceptable as w-as-tewarer disposa,1 area. The areal extent of the Type 0 'rofile is defined by the 20 feet soil contour and encompasses approximately 70- acres, or '18 percent of the project site. In the Type G areas, 10 exploration trenches were attempted, ranging in depth from 0.3 foot to 2.0 feet, �j ,c Q f APPENDIX B FEASjBILITY OF OhSIT'E WASTEWATER DISPOSAL' An extensive investigation of the project site was conducted' to assess the feasibility of onsite wastewater disposal by individual systems (septic tanks). The extent of this investigation was based on the require- ments of the Butte County Department of Health, Environmental Health Division, for installation of individual system;.. The principal requirements for installation of individual systems include; a permeable soil depth of at least 2 feet ground slopes for the leach f'ie'ld site of less than BOA a percolation rate of 1 inch in 120 minutes or less These basic parameters are used to determine minimum usable lot areas necessary for leach fields, which in turn roughly determines minimum lot size. The complete requirements for leach fiald siting are found in Butte County Ordinance No. 601, presented as Appendix Table B -l. SOIL DEPTH The depth of permeable soil was determined by using a bacl,hoe to dig soil Lxplora tion trenches to refusal, i Gaveloped thrcucic.,dt the site were 91 soil exploration �iwellChes to c',5Sui'e aha i` ut`L�-S ntative soil depths were obtained for the entire site The location of the soil ex,pl orati on sites is shown on >=i gUre B-1 ;aod the permeable soil depth profiles are shown on Figure B-2. t _ TABI,E B-1 BUTTE COUNTY ORDINANCE NO, COl MINIMUM USEABLE LOT AREAS ;FOR ` SUBDIVISIONS AND LAND DIV18IONS WHERE INDIVIDUAL SEWAGE DISPOSAL SYSTEMS ARE TO BE USED 141 NIMIUM SEPARATION, DI STANCES (effective 3/2177`) A. The requirements below for se},rage disposal are applicable to single family residential s' bdivisiorns and land divisions.' For other suodiv'sions and ui red miimum,area land divisions where there is At l east 7 . r oT � soil, the re q for sewage disposal shall be sufficient to allow nor the installation of a septic tank system designed in accordance with the current edition of the USPH Manual of Septic Tank Practice - provisions relating to Teaching fields. This minimum area shall alta include area for 100" replacement of said systema For other subdivisions and -land divisions where there is less than 7' of soil, the required minimum areas shall be computed proportionally based upon sewage flows expected from the land division or subdivision in question, and the sewage flows expected from a single family residence). B. Useable lot area shall mean that area of the lot useable for installation of an individual sewage disposal system. Useable lot area shall not include areas contained in the following l) Building setbacks required by County Ordinance or the Butte County Code unless approved by the Health Department and Department of Public Forks. 2) Easements dedicated or reserved for surface or underground improvements utiles, dedicated or reserved for sewage disposal purposes ; the approved and recorded map. 3) Easements for access- or roadway purposes. 4) Areas occupied by 1-.,-uctures and within 5 feet of oxisting structuro .,k to be occupied by structures: ` For purposes of -sir— s -family residential lots on which` there are no eyisti structures, this area shall be 016 -em -6d to be 2,500 . Jja rc feet.. 5) Areas within 5 fees f the property l'r�e 6} W-eas which do rt.it with the minimum separation iwtncws sr�o,,n in `.i� II belo�, 7) Paved areas or area,, proposed to be raved, where the p+LrC raw�- exceeds 6+ r;in/in, 5g _ ) Arcas with a slope in cxcess of 30%. g) Areas where !'the percolation value,is in ex of 120 .min/in. cess_ 10) Areas w t:h l ess than 2 feet of soil' above impervious,'stratum or grounds-rater. Each lot in a single•-faplily residentand. ial subdivision land division shall provide the minimum area for on :and disposal found in Table I attachedqe . Areas shown in , 'Table T up to, ani' including 2.0 acres are minimum useable . � e . , p` ` T��ede Io7nsexcessdof disposal as • 'in B above, Areas i n bl minimum ros..y....� :i zes rovi ed, hot:eve.r i�fit suc f�at c"e�"— __, moss ,parcels sha j conta i n not ess Mian two acres _ Of Usea. a ,area as defined f� move: NOTES:, a An impervious stratum or layer is a` bed or lents of fine grained soil, nock, cemented material, or similar soil structure which retards the downward movement of water. A stratum, which has a percolation value i'n excess Of 120 nutes per inch and/or i n which s i; ache of was 4ti�i11 not seep completely §way in a 12-ha, period, shall be deemed to be impervious. Aless than tWo feet of soil, slopes i'n ek%w'ySs or percolation values in excess of 1 tc�i: deeded unsuitable for septi G tart", Sy _ c. In addition uo the other requirements of these standards, sewage disposal areas must be of such a configuration that it is prvcticable t o use thea as disposal p,^cat based upon standard practices for the installation systems. of septic tank SOIL DEPT11 A13011a GROUNDWATER OR DIPERVIOUS STRATUM �_ _. --7., OR tCTl:l( 7O 5 5TO i � 7 , - �: •TrA a UG G, GOO 16,,oOO- Z , Goo 3 1,00G 7 6,340 5 ;, cres tri IS-ZO` 8,oUE} za_,00t3 2x,(}00 33,000 7G, .,4C, r 4O% ?i-t,O '►l_(�iI zo,OQO Z,OGG 7.O,U0J 22GG,27,000 •25,000 35,000 37,000 80,340 82,340 1OGO 3*1).00G 37,000 IFI1000 2.0 acre "t -i(0 :17,000 421(MG ` 47 two 57)O00 2.25 Acres 5 „_c.c t Iili-1 '0 57,000 62,000` G7',-000' 77)000 2.75 acres ;acre:. t-_li 3,000 a i,€l0'0 ZG ON 7_a,,CrOO 311- OUG 49 000 2.5 acres 5 6, c „ 30,000 360.000 3111,;Co0 51.,000 53,000 Zr5 rlcrc 2.5 acres _ 5 acres' 1"rt Cry-[fE7 7.5,000 37.,Lim 40,000 55,000 2r5 acre;- 5 :.crc. 11 We GOO NO -1.50,000 (,5)000 z.75 �cres; _ tai -L .0 G;, iUO 573000 72,UaU 60,'OIiO a0)000 15,000 2.25 ir-ran 3.0 acres' 3.5 5:rcrc: , _ _ acres 5 acres ` 0 -LO` CC -2(} [G,Goo :Ltk, VJ 36,000 311,,000 46 000; 48,000 693560 71,560 3.5 acres 3.5 10- - - - :,trr 2i-40. 20,00(} CrU $'GOO 5fl, OOO 73,560 acre 3.75 acres iv acic: :0 f to It -G{i 22,000 42 ,000 ,. 52,•ciao 75,560 3.75 acres ;, c,r.c.. acre, t1I-UO' OL -100 It, 2,GOO, 52,000 62.1000 2.0 acres 4.0' acres 10 a Cl: es z-Iza 52,000 727000 62,000' 02,000 ;2,000 2.0 i1 eras 2.25 acres 2.75 C►.25 acres �F.75 zi; acres acrC_s acr lU nc-cc , 1 4 h J. r � , � I'r 1 7 Srcl ioh I. Ml W PAUTA SC PA RAI 10?t. D1:7 'Thtto! la,+•irtinirnumstprrfi* d+islamcc,mctiutcGinlii5tat(Oefr be trquit C'd It, All Calci: '.. Srpti: far.). or Le4ch . SrP .apt vkerline, lint oil ir.�iyldus,t d�•r rl1aC � v 411 r .....,...........,:: SO 1 L+4 150 P4SIiC dc.m�siit ' v h e q .,,...,, a.....: « IN 1 M ISO irrnniat 113am SR IW Iorn high IM Irorn high s,aler line v aler line D�aira;� cturat of tpl-.- erai Litram... ?s S". 40r'pr al aha ntl ct C1106nn*1 Gut or (it) t ank.. 10 h'eipht JX verli.aa htE;h9 in l:nrat feet In lintat $,-at 1.r1 r tar reirrvait ?: 4: V' i hath is It otn hiyh y vralcr Dne v,altt brad Let iirr-i, it , I�:�'vitl.,a1 r 1113 z SO 7s 'NUrt VOL tp ua rmrr,!,��hbli nat a, (I w.,tte c'` Npl11 trd I,twW a#ti`G or. arch Ica it a, 11'td o-. (or,3. rr,ap pn. the 1v a r,,, wept' aria Ic tiv, W 4 at Ite"i 1 v IrCI litrn Any wEilh:ltrbh. ' ,i a r 1 1 y i I+:_N Sit FS 4 5 1 76 �Q 77 u c�! 55 SB �9 . ^; � a ° r 44 54 a. 4 3 , 4k' r3 Egp `: 78� M l ♦♦♦♦` 79 rt tir 59 G7 61 60 T3 fZ 1. :- I 65 ES 1r 4 GSI • L ErGEND 31 2 1: 1 ;0 -- -- 37 'r'X15'i'1NG `CtSriLS ��� X33~� r t�* 'NW Y OEVE'LO.P D • SCiI'4 "Er�t»41 i Jhh "51 i is 4'E 27 �Z 11 16f 67 � 51� 117/ 89 ` c r. � I z 5 E [l 3. eve _ i ' The onsite soil characteristics presented in Section' 2.3 and, Appendix A were; determined from visual inspection of, and field?;analysis of, samples taken from each of the 41 soil exploration trenches. Approximately 82.0 acres, or 80 percent, of the project site contains permeable soil of at least 2--foot depth.. SITL SLOPES The method ,use'd to determine site slope limitations was analysis of topographic maps and aerial photographs. Approximately 22 acres of the project contain slopes in excess of 30.%, which is the l i mi tati,on which precludes the installation of leach fields. However, 12 of these acres costa, n less than two feet of permeable soil.' Therefore, only `10 additional acres, or 3 percant, of the project site are excluded from thatportion of the project site on which leach fields could be ' installed. Figure 8-3 shows the areal ixtent of various ranges of ground slopes on the project s-ite. 65 LEGEND ib%420% SLOPES - 20%-30% SLOPES .-_ >3010 SLOPES 0 2 a 8 I"J 20 jaa.srr'"'""` 4�ivr�e':• `•'"fe1. +.�..�:�':��. s,.•+� rtt,Y:r.Rxs ra:rrtY �ws fa�ti� IN N,Nb "-.d YLC 1., 1,6 t 1, t i t � pERf1CA'L 1TY ANN&LYS1S percolation tests are usE:d to determine the rate at which water will pass through a given soil. Percolation rates are Lxpressed_ as a rate of vertical water 1,evealdrop inr testhhole oecent' specific geometry, tests indicate a majority of water movement- ce the s horizontal ra`b'her than, vertical severalnimportantandard percolation test is base ercolation assumptions, procedures for performing tests are very specific. All p performed for this study conform to accepted Butte County Department of Environmental Health procedures, presented in Appendix Table B-2. The percolation test holes were located in such a manner to assure litaiesaofePhesentireoprojectesite Percolation capa was obtained. Further, 46 of the 48 per colation tests ti,etwe performed in or ,adjacent t.o soil exploration Itrenches to sorrel ate thesreSul is Of theleast othreen tests w� th the soils s i ryv g pe►-c;olaiion tests were performed in each soil profile tape tti?: a total of foray -eight separate percolation tes 4 co'm111 e, -;"t' . All tests but J. meet the criteria Of 1 inch of gra t+; 1eve1 drop i n 1 20 minutes or less. Table 8-3 present ,a summat°,) of the percolation test�, t hole locations results. The percolation test shown correspond to soil ure16�i4L5hol�t5yant.-ipatpdscontours on Figure 6-1. E 9 err;oi��t?on tests of percolation rates based on the p and soils ppofi 1 es types: ReSU Itb 01 the percolation rate studies indicate that about tt4o additional acres of potentially acceptable leach field sites could not meet the requitement of l inch of water drop in 120 minutes or less. 67 i U RE COUNTY D} PAP i 1 SENT OF PUBLIC HEALTH 4DTVISION QF �„i:I�1V4RONM1- "CAS; WCALTN r -rl'/�D F''.'��M1,11 i '14 TF.S F�+OC�i.SI�R bf of Hole s. R.e4ul ria a y . A. Subdivisioh Gros S t.+";'3 Px"-0D05edLot Sa,r7.t'.s° Subdivision 1 Acre or lC_ss 0%er 1 a=cre x 1 "bole per .afire 1 hole. .4of each 10 Ac_*°!'s or but not less than 5 boles 2 acres or less He;- th Depex «,cent May 1 hole per parcel z'eouire a..� ditiowal tests vh,lchever is less 10 holes plus additlo-aal. F-;eal' Dopar t-ent 0r; e r 10 1`+GiE'.5 ueSts .ELS rF'vw�'L1"?CZ b�j"uGy require x -ealth Darer:`-. ar:3it oral testas g, T,,di-,HdL­r1 Pal—cels As nates !r-ed by ;ealt:1 1 . L A. Si" • 1ti' cti b .a S: e ii �R�i rbhi���x %C c': s�Ot] tlx« :a! O �1"�' Ot $ i n xt cruel r� r cn7 S: to � - _ o+x•_ t� � � ee a•s :.'h_ich the i o ,.�. .. Sue.:cJ c�:�E'i�V � � � �, x� w be x lI?. Daze=_io­s of Test, Eole8 hoi es sha_u be 6 inc'r.hJ�_s 4I,L4n'..eu Gar_-'i-UQerY GGa.. �oJ at_least 30 l;m�ches deen C other ce_ot 17vim priorhs sF .a1 T':010S Sl-n7_l. be CL t C`'"t:;tea: ., _.i ��:Li p� y'SG�>.xcam u:i2 Gaff' bG«`�' A he bot o= r.mii41.. ."'. +✓� � :.5 af c be hole sh .11 LJ.`",. U�,•�ia l/. •.�L''��. ri Gl..°•••.:.l �C.Yr, 41i� ti L L`� r*...�: ..sem i Y'....�. x. ;a.:.' Q%' .. ,!'. •» t -�..i r G� 11 1 . 4 "++'� F- x,.1,1, e SSI esi;'D IY "Cer`iµ"' `in .ter a -� :. 4-s i e . w3 n ,i s' :. y ,.�� _c: a xyL 17. /,i. !. Scu *I7 u�' `."e� uD_ h01� O `1+�rW 5 C„Z.oL.a . uhe hot �+0� �. "```iiJ.•.�.�..,. ..:. u�'.LY 2 -- n-'' y s O sa;.,w. :� 1..•.� � 1.3? . 4 ?;� i:1n �.4nei.` b _u %. 'L.-..' C�< rw"`..S'•S:'.,. r... '. �;�.i. 'lee: 6c•':.e....u`v 12 rnv...''x''i of'� a-`..',a°` .nt".a Vie^'t�,p:.`^'. SG`r is u'. ... .«.. J; 4......°- I:1 :3 S a«!vh_ hole v : :: 1.�.��.•�' C:,e _..., F: t balcr.L I— les w5 = i ✓." �e ..,+ s.. u, .. C.A.Y 11,w u. rr-' yau, y:.:.tit-a ✓. i. pyy w+�r r. • W+. f RL+ �a 1 '.. a°.� 6t r'i R �.•� /'� . i +u4.. r i L'r..Y., J hole <ta �) c C+:'` L ] i:5 U: �`s? . •a t; �' f J' «: a i , , •v , G +�,Iy, f,, I to 6 a rl'-h phis p4aa rJF i s S� r�<i, �,,cnt•r�` r ccj: �a ; 1� to , jl 0? 1 J tech cr for h7 r'� -sir s �, -,� r ;, : ,.• will be 1sx- O e?.SClil ie ^tf:e C.^ 1 i �i, k•i C+L` r ' y e C,]i i�i•�:,J r.' +�43. V,4 c `r nle�ir�rl♦ .. �, y o r �• 7A noprF'2iCtiak :;ate r vi-a2ns 1r: the hole Eently j j1.1 to i17o ,6 ir.,h -rk([]O 7 -01'Ga U -e ti - me ani mw.as.lre e m2p3"'d%- rn of 3,0 +l ' d7r :+ :Lr Z th2 d1".^p an'L a'CCoi ? the t' ':sCL u� and t�i2 t �� f?.� S C'1 4,C,u, � ..i; 1�.p rzirµ.'.%L t ri•o�e r—'es, refilli--S to ta73 re. zrY , e r-,�r;; Ce,"h t1+_,":' Tn�o rGa ]1 F ye to ti',e 6 inchc7=.'^k and e 1 � ,. I.o�r th.. .._ter to droo 7 inch or 6Q zr~,etltes, ,��fjch,y`' reached first. fiLcbr�d the aogr-apr is -e t* , --s _and t>' sure;_ents. Tn� s Jast dry vi]:l, oe Lsid to calculate the percolation rate. C. In s )31s,'where the2a ole gees dry durirg the first 30 wilaute » 6 inch♦l _-.!t (do not fill m—bove this level) and el?:ow to srao 1 evcar VV�, 81� ^rr, Up7`'ic+te .UZ,:<A :7 a.-nd -m elasu.re--eat •. a Tbis .arop �.il1 be iis8d to call h moi-` -' L on rate va- _ Data f7l . om 5 e been tilled above the E, `z�, h ��rk vil-I not be � , D y..2. 't'cS. b Sub 4't `s.' G t CT ' t T�a�luh Dep��•:�=ht a5. Scale ZOt '13 i:, 5^n:1t+elore location cr4 idenztlfic tiC)Tl df, l?101i, b7 GS ` 4.i= Cf n�cC ,.'iCI CIES : r_'LirI CMC. i CJ: 25G:=�: "uti.r:a a`• t=etbt5��, '^`:,e.f C Sc+ .7-tton of $o I7 cc'G; c:t-i 2s!rd7 -Lw°xull,rer acb }7G+lE+ ..�• L'.;� 1441 ii,:1 �lf"�-�k�'LM�.� of Lsci. ..•. .. .. .. -. �..... a Cl V d. a„♦ _. -� G moi..:. 1. � � . i...- . w F ri s y [.n.�.: O � u.. '+ii iraCb }7[;1.2 i~� urs a5 L.2^-'. a �”} 31�-.�..' 3�: C'.:♦4.�dL:: 4i. `. ""�' '�'',`Y ".`1 .' .. ,,� Ur u J.ri i f'- • •- r 4 �� u4a �.' ,.: w L :. ' fS . !•`� n 1 w J, r -- �� �'L`ir .,4b i• .., a, C7 L W %:s2G ;s,. v...k";,,;qr ,Y'e%uC.l_ati,r? "b T1 Tests w :,-Alt�ra 4' i7 C r '" G11 ua n. Z c r�e�r'J�. 1 u :1G1'� w: w � aA. t.0 W; t. _'� w .'^•� `r-.!' h `� = hn. s ti s i i s `` O 1 �� CC'S 5,.. ..,� :r,`+ G!` ,+'.�.�'�.� a�.,+..��: 5.�. ;tt_.•: ua• a 2, l'. `4n s�' o � Z r' :,c ,...e„ . ♦� ••,�� ] 0 h Lib l` t s log -c't4w.. .E . a r u i.^ + t-L•y,h .t.� AYWr: +M1 i, ice.' iC i..,� 4•wK, �t`,�",w+� c� +•'i �S p,,.l ` w� r 4. l; :.... �. ;i r,. ���..� .�i '� t ": . J tl i •','y ` �.'^ "'� a ...+5 a+ • 1 ° ya..' ,;l�„� i'a t�..". i.� �� �. v �♦°i u. L;,�`Ki. ww.+♦'.I Y' ai 4+Y« '" a� K., w•� C..'Y•i'�� 'Ni .`...v l,r w.w�-.•. 'Ci .y 1v..iv M.'+�s:� V� U�'Z� .I i4 .i. �s i. �wy.4 �'i {..w �L� 1l aK } S •� � i� �r# .. � w yy.. ,CC.. � at.. :� �w L;.�.t �'� awl 4. ."Y. Yr�•wV �: r1 •r�^i ti �c�i 1�.�.r� Msw .C+ �AL Ya. �.::�.�.. 4�w7 4.riw 4ayj.. ti,:4µ 1 i `•a ,. TA81 E 8-2 PFPCOLATION Tf ST RFSUL` S r • Test Hole Perc. Test, 19ole Perc, Test Hole Peec. ►` Hol e ;Depth Rate Hol e Dept Rate Hol e Depth Rai e NO. n)_ (in/man} !o• ��n), (yyn/min) No. (in) (ir1/mine' 3 30 1/4 48 84 1/120 58 120 1/?7 8 30 1/60 49 42 1/4 60 30 1%160 13 35 1/96 49 66 1 /n 61 30 1 /107. 14 31 1/28 49 96 1/34 68;130 1/44 19 30 1/95 50 66`, _1/' ; 67 „ 30 1/3 26 Z30 1/40 5'0 108 1/2 70 30 1/13 34 30 1/69' 52 72 1/20 70' 90 1/80 38 30 1/40 52' 108 1/28 73 30 1/12 43 32 1/10 54 30 1/2' 74 30 1%60 43 84 1/240 55 42 1/3 77 30 1/06 46 60' 1/4 55 102 1/3 78 31 1/80 46 102 1/6 57 36 1/5 79 31 1/60 47 54 1/8 57 60 1/5 84 31 1/107 47 96 1/3 57 96 1/32 90 32 1/28 48, 42 1/3 58 42 1/2 92 30 116 48 60 1/6 58 60 1/1 93 30 1/80 NOM Location of test }poles show.n on Figure 3. iw a LE GND CONTOnJR OF eve ONE ll; H Lt LSV v. ' u•.ti+„r.+`ta iYJ+{bMY. �-.iu�.�4. F ._..'ter• au... ma r 1 Y i , t-,A5TEN,AT 'R UIS:P()SAL CAPABJLITIFS OF THE RJT0JFCT SITE As previously discussed there ar^e three principal parameters evalulted too determine the ability of a parcel of land to' accept septic tan,k the, fields. These are' p perm,eabl a soil depth of at 'least 2 feet t a ground surface slpes on the leach field location. of fess than 30 perco'l ati on 'rates of '1 i n c h of water level decrease in 120 minutes or less To determine the net amount of area of the project sitp available for septic tank leach fields, the number of acres of unacceptable area in each of the parameters list.,d above was subtracted from the total acreage. Thi's ai.alysist is shown below total parcel acreage 392 soil depth tab shallow (72) ground slopes too steep (net) (10) unacceptable percolation rate (2') Net Available Acreage 308 acres Percent Avai l a bl e Acreage 308/352 = 75p Thus approximately 20 percent of the project site cannot accept septic tank leach fields. The remaining 80 percent of the project site can accept lots from a minimum size of one-quarter acre to in excess of three acres. rigure 8-5 shcl-rs the areal extent of minimum lot sizes based on a corrbi��ation of ground slope, soils depth, and percolation rate. Figure 8-s indicates that a majority of the project site can be developed with lots in the one to three acre range based on the ability of the lots to accommodate sorptic tank leach fields. T.he subdivision plan (tr;ntative parcel map) was designed based on the waster�rater treatment -rid disposal Capabilities of the site, as presented in this appendix especially Picure IR-5, i";�r�al Extent of t irimrum Lot 511es." Each the 1 s s�io4tn tin the IentativL, parcel inap contains of � e 1 70 � of '' efficient area f'or a septic lanlz and leach ,field system based on Butte County Ordinance No, 501 triteria and data ueVLOOPed from analyseq of the project site• r T r* ,- • H I :4 v SLOPES f 30%, t10 At. LOTS 3,0 , r" Yr 2 3 Y rti •`; ; . 2 EXCESSIVE SLOPES < LO At LMS14oh Ad. LOTS )3 Ae,IOTSt` <I At LOTS-yN i'•\ 4 E)C_SS PSR. .4rr 2 10 3 At LOTS 1< i:0 At 3 \ Ito 2 At LOTS �r. LOTS �y Y Y )3 At. LO TS 2 io'3 At LbS L 2 I It62 At LOTS 1 i0 2 At L075 LLGEND Aa�AL EXTMT OF A'4XIMUM LOT Irx._ s r--1-:-/ WE:t WACMES, 54SED ON WAs T DW:10S4L LIM ienoi a, , /' .5 S A'xr`.AS ifvl', ICH F'i'. iui'iF,-crI NQT 3 PZ~ 10111 QED, wqVQI, SJTT. COUNTY UEPA" 4T7JWNT b= H�AWTH R :,ULA 1015 4y y1' tet•:►'{. �•`'�^ L= S,TAAN 2` Dv- SOL ~Y4 3 4w •`)3AeL0 P It 3 At Lo'—'S y , yy ��++ %/) Lia 4itr.•,1� .�k 'L�"- $`1R. . r 4 0G, 2 4 g ttl20- Y`�Ari` w ti�1G;ai �,ev� 6c E•3 lw APPENDIX 0 bPI�CCLL ASSOCIATES ;la^! a 1979 ti RIa +t .;• • lut: FILE....... .31 y 1,� 79 . - i."`SCa�.7�Ar••tani.� Y+1t��►igw.,...u.•«4ttt`al Lnvlrnnmarlloj nnvioW Doo. `'a uriGie +:Lode G6ddis, DZ', ;col].. t.� ."'ssoci �-te 1"Y Uivil -_j ;ineers/sLlVVo ; orw 1638 Y'Auntoon J -Urea Pi,H county Li oville, Calit. )5965 mloa Wt TI1 1Q"ui;0r �S tO 10t "011 1,-D.Wo what VG(;CtLl'UiUll G i� ..C��"r'C � :tl�tYSa `} niJ U 4ti.L U ':Cr lw�.Ur., 1 ��:i'y .1.�.4!• f � '!_ � � x vor�' • nju, .'e si ., titi,.ea �t3 ttt 1 i_aC1v iGtit "i>+_slC!'; the Wlii- 1,a''l�� til : �,ivmy% :L+^., part l/1 �o. 1 a1. t., ... Ari r. ~• +: yl • 1+� ./.r 1 r + G;.`�'r C: Ci .�. Ux� 1��,]."ll?i:� �ln(�. vTh .:"J"! :L o iW«:,�, „ C*1 ;L... CQiI 1C�..E3 Of,rCX Cl. k Li. -_Q � '✓y5,'Goo, �j 7 yy yy .U; !� 1 Y �r"� "{ L1..•4r M1 /� J,i VF.I uw 4f *4 -rood +i Vtomc, 0 t� e rod ,otoll� ,,,oil- '�ti:l .�,t7G1�"� i t ry U,Lt"'. 1} ,n : ot. l+ 'lJ-...�.% Li.+L� �1JL. i \' :c'oo b (lco') i »' �'; dos ) ll and CI `" d.l : 'Q 0'! u `r.0 a:)11 11 "!tr ;*„"3 IJr* o ' 1,/ c •"r 3,^-ub;� ' 'u Q L.. ..l S tJ +r1 u'1IC; 0:""Q`t o:!e Cir_.00n to, . `OY"o".d J J'Cl'4 isl+.l;,`n(jor.. �.s':���,�.�' •Z"4:C:�.:. .��.t� �'+;� "� C .+ -n ;C",. '•r;Vp 'G6 .,o'-"? t C.` , 01w V -D L'00t lilitc ` 'i;i_t: su.:s.'f .0 ".l.+ tl. o ,,;+1,'L.LG "Jcoif. will aU,j,i t.t .. Iii -"14l1 4. .°0%x.1 ..! -.11C 0 'eat -Ar • �y I.21%t:iJh."i'.''e n'ro F1 �3.)""o /.r.�i�l G"ttJ...l S �/J.;.�nro a r.. �2 ie0! 0 k., i+ Jrru .A nt. n s.�i.vt• �y.ti '�'U`�ar,�4 �I�.L�.�.��t. er• r./•, -,-".o 1) .MAY i•`u 1",C ,nonlo filo i3`OZ'�. ! w1C� • `�f L ! (41't1G n.VEJr? cc: 1 ;..a;)C:3 not•�;not.LI�`�°�. l � �i.s a C)ltx2t1 4f.. d�itii �,.^i y��kY 'lrf.:'..+ i�ld�rif .. t.'.Y'�i�. 1.•a a . �,:iir?�C�"'"u u�11 ��::,;""� •1� .•1. , os.!�""":�rit't,'. "t� ,te�1.�.'?t2 'a���� e «i Klin, :tit C� ..� i,"Cil k ::w u (` » Yi � !'c u0!' '"J�`,. `r _t1�C j and r .)LCi..i"x ;..Z'C"r.i ' t,� r, +r.1t.��r ««. Cid"i r��t+4.k•!* ''i,"+. t 'U..s, {L{'iCt"+. :t#L°}M llyS a . l"co 1,(.M p 1iY !a „lo cc",.ia`'1 +..r Ji "LK:I r'^i'. 'i1 L. ll«.W "in+`,i /^.i ' .r '��t'ia`' .: •.�S': �•*1�"'''�.""' "7V .�7"�.V l; �'"�., tk,i �, wi lr6. J..• i�r ,- •ir^ { s we r w waL 2 There tare a f ew large lava rocks in the grassy area east of 1. 1, Greer ;'chore the air ove ,vjo pl.G nts are , found.. Ost a" these lrar{�o racks 1, ere use -1, by the Indians as mills. Jorlo of the doles in the roclt, Pe quite "deep (6 8 inches) . The riLills are located1 _ t o t t� .Le map by reel dots. One rock haN 10mills, while another rock has ,three deep mills and three small lt.CILll.s. Go inE; on east of the (=,-ey and .mbadovi ureas, one a�,ain colli e Wve�otato a �� on �sro tl11 of shrubs ense �incland a fe`v small. trees. �, � ,, . Of scrub Ual�s; and a,ain co�n�nosed .-olilzanata. :leatterod throuC.h the oaks and manzanita are, Yroe Poppy (large yellow flowers) and Chaparral -•,lea (l.arLr.,e red f lowers) vlhich etre very Colorful. Jay finds' n6 the Teep !2oad l turas able to loot;: at most of this Ohrub covered pxoPerty. Where are many intez'ostin8 plaints along the road blit none theft are considered rare. Uurve god the r,re_)orty on I'my G, 1979 and on »gay 29, 1979. y '4, `'� v, i.t on the property oly _,onur ur, r�r d�telli ao, is iho�crisoalso� a small rash that is c t pre sent bean(; studied to dotermino what it is. 13ecause of itt. lacl: of a ntitie, it may bo beast to also consider it as a , - aro pl.ailt . 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J 1 �,i5" ,r 1,�'., ,d i� � � � '1.N '`+. � � �'' *'' _ _.:'� , �� M. �\'./ • t� � '�< `nr'�� � !f j+ . fiayy4 � �eb, 4�1;}y ' _ 1 �, 'c,: •- - , , r !r rr;K ( r<� 'de i i' � I j• i �a'r y r :{ i, r r/ .� s i t r �\ ,t', d ,,+�, t i:�., j„k, � i ��� .�',:pf� ✓�`" 1� �w:... � 5'w. ,.yr`......�'w';.:.n' 1 �E ��i \V�i, ��': i � y1r� r'�+ ��i } � � �11. li _��", � �p'• ,_ir ry. ,�� � Rte. �. ,x�Pp �.,�� \ / �,r�.• s r oil �`�: r/ a� p't 41� � t`"t q� s�1131 �r,r�'►C�•rr»j�""-�'� �K' �� v` 1'i 1t .�(. `Y.i x p:��% I'" � T I i r n s ,��+ j+ I a �•v� ,� •;� ;� � �l �� (� .,y� 4, ,�. ,•+y 'Jrr1. . yy i p) Y ./.1.` �1(, 1 '+i f ,{'tll' pp�N•�,119)•!#� ��, �4 Nf ���•' �y . 't,� "1 �I, 57,E ,i4r. J +' b� ! �w•J ~� by , 'i�M'�.d, A l( ,� Ig } y"'`p \� fyT+�/ Y a }r w.[":t'�t�. � � i , , � �j62 }t j � '{ 'r �' %,,,,'\y '\•' +y »-! '' „r h i �,}rllit+lt'M,'\t ���$��_F Ik; y dY Ifil .�` C �y r r,`, r !y i:• "�- � �(lly+ `�. r, � `�� Frs '{� �� � F5u ��:�� ���` 14�+'�y7 � � (111,i>`I �r � , I�Y31 �r � r Wit � ��w,•e 1' „�"7 ' ? , �' r � _ " '' ti tC �, � ', "xt.' ° ��` ,� , r '1�4 ^ �'�?�1 • " a" uil iU � ti n p,J � ; t i •t � ��� „� { � r i� rt ti �} 1 ' �� Ytv� ',;% `r�1�� ?W � r�ll�j ��� 1 p��!'t � � 4 l � "`':..'f" i \" � � �N•�� }\�'"����,�����' �,y`.� � ' ,�.� 5 ` d', LL 5.., 4 A Ey1.?.0 1Y..,i.l1 ., IS ; �• c,. .,+*... V I, VII »Y` �''F ?d Ns �'a l';a rR ���'� � rM � r µ"1 �� P. �� � � v`t W�'N !' p(l� �` is {`"• \��4 � , r � � � int � l�� ' � �� !Y '� "I �" - � ". t�rh 'i�;'�q w�i �•,„'" " �`!' ' t �.��� � ' � v.�f d 14r(( •",, y, r ��1: r�.; � �'r 1Jpf t �, 7 4` � � h w• r "V -. t r � �y .. `� Y,�i�(`, i � � �{ � Y y+ � I�", p� " � � 1 `4. ,r` ;� rr � �y ,i '�i ,-.� r"(",` : rr � i �S` . „� �R..✓:.✓F' .C'"' LnvIrd; Cq'h. i.fryl r.0/IRY a' APPENDIX 3) OL I socwy)( FOR CALIFORNIA ARCHAEOLOGY , District 2 Clearinghe,usH may 26, 1979 f Geddis, Driscoll and Assoctiates f 463 Oro Dam Blvd., Suite t� Orovlle ► CA .95.965, Dear -Sir, I conducted, an At ,you•r. regtiest on May 16,1"l -1 20 land 21, 1979, archaealogi•cal recGeor�es anotherance of terchaeoiogisthe rfrom thepDistr•ict assisted by Julia, 2 Clearinghouse. The property 'is located to the east off' Penc Magalia H.ighwayr on a ridge top to the west of the West Branch st of Feather River north and. east of yunk�e lkesservoirs aores In thea and Paradise. The Property ,Is approximately 3 covers all or portions of the N«�� 10-1 sand SSq of Section 3� T. 22 N . , R. 4 E. , `Che.rokee quad sera es • large open meadow along the The, property is characterised by a, property east side of Kunkle Creek• in the wes,;tern portion of tete t and bytly ills and scattered springs in the eastern men robing h portion of the property. k .Jeep trail extends around the perimeter of the property wTlich leads to Kunkle Reservoir. Vegetation of the property ct�nsi�ts of scattered Dales, pin ► wild flowers and annual. grasst s in the meadow area; with a much denser covering of oak, Pine, manzanita► buck brush, bay and toy on in the eastern portion of the property• 11, Prior to the reconnaissance Of the property x consd1ted the archaeo] ogi.:al site retard files maintained at California State ological Un vers*ty� Chico to determine if any known archae sates Were located within the property boundaries. Three archaeological sites had been previously ostesded perethe recordedyr CA -BUT -670, 673 and 6'74 All three of. these ' sit of the type used by the abv;Cxgl-nal as bedrock mortar si - inhabitantsof the area for 'processing, food ;re,soux°cis. qty ea was oomplet4 since the The reconnaissance of the prep ded urchaeolag;ical..sates indicated presence of previous�.y recor chaeological. seyadtivlty. The that this area was of high ar liriear transects with a methodology used involved z1gza91nf; twenty mei.er internal spacing to cover the entire property excepti for some of the areas n the eeportion tof the property where the dense vegetation prevented To Itne'i 40 -ti, 92 D6trict 2 Clearinghoose May 26, 1979 Page 2 In addition M the three previously recorded archaeological archaeological sites and one historic site were recordede dur` during the reonnaissance.. The archaeological sites, CA--BUT-675 through�681 are all bedrock, mortar sites similar to the three previously recorded. These sites are all located within the meadow area 6r, in the area, adjacent to the meadow,,' except for CASBUT-67g,';which is l.ocatod in A clearing adjacent to the canyon rite above the West Branch, Feather River. No additional cultural material was found in association with any of these sites. The historic site, CA -BUT -682, is a section Of a rock wall that crosses the meadow between Kunkle Creek and the ti;rber line in thr,i east. The wall is composed entirely of rock without fence posts for holding barbed wire The wall is approximately 326 meters in length and ranges from 1.5 meters to 0 -5 -meters in height. Rock walls of this type were constructed mainly during the period from 18601 to 1900 and are normally associated with ranching activity'. All of the cultural resources located during the reconnaissance were photographed, mapped and measured in the field, this data is on file at the District 2 Clearinghouse The proposed, pro e dividing all of the property, except p j"ct will involve ler parcels for residential purposes. the meadow area, into smaller i CA -BUT 674, 675 and 679 are -the only sites that lie within area, of proposed development. The data gathered during the reconnaissance sould be slXfficient to mitigate I any Scientific data contained within these sites. The'only potential, impacts the project will have on the other cultural resources will come from construction activities during development of the property.' To mit5gate this potential J.mpact it is recommended that these sites be clearly marked so that these areas call be Avoided during the construction activities in the area. This should allow the Sitestobe preserved since the meadow area itself is unsuitable for future development, 184 ncerely )yours a v LTJ• .. C. �, � Nq i � �' 1 • . / James P: Manning t-`bistrict Archaeologist r 'API'> xX E F ENVIRONMENTAL , CT- ECKLIST FORM (To be completed by Lead Agency) %. BACKGROUND, %Rb it .,y-o4-,?.},-o 1. Name of Proponent arr i ego? t 2. Address and Phone Number of Proponent 2955 Avq.: 7711 Creridi" . DrA.ocoll Assoc. Fii 1�.�.� .on. �r?.1 , ��.? .11,61 °Oro Dam r31vd. M clrova . to i Ca. 95965 3, Date of Checklist Submitted 4. Agency Requiring Checklist, Rovi ow Department 5. Name of Proposal, if apblilableTont,AtiVe. SlAbdiviSiOF WaO r,..^,,�i►� lr�n 1jai. fron, ?oto t0t.o1-,10T.,e II , ENVIRONMEN. TAI. IITACTS (Explanations of all "yes" and "maybe" answers are required on attached sheets.) YES MAYBE NO 1. Earth, Will the proposal.-result in significant., a, Unstable earth conditions or in chra3.tges in geologicsubstrucLutes? x b. Disruptions, displacements, com- paction or overcovering of the soil? c. Change in topography Or ground sures face relief fenturos or removal, of topsoil' d. Destruction,, covering; or modifica- tion of any unique geologic or physical, ,features? X, e. l_ncre68C itt wind or WatOr erosion of soils, either on or off the site? f. Changes in deposition or erosion of beach sands, or chatigos in ;ai.'Ita tion, deposition or erasion which may modify the channel of a river or stream or the bed of 'the ocean of any bay, inlet oi: lake? g� Loss of prime agra.cttltttrally Pro- ductive soils outside dosignated utbart atea87 _ . Appendix V page I of n YES MAYBE Np h. Fx osure of p people 'or property to ' a geologic hazards such as earthquakes, landslides, mudslides, ground failure; or similar hazards? , 2. Air. Will the, proposal result in, a. Substantial deterioration. of ambient or local air quality? X U. The c J of oU 'ectonable ,odors,reation , smoke or fumes? -- X .c. Significant alteration of air movement, moisture or tempature-, or any change in climate, either locally or regionally? ,K . 3. Water. Will the proposal result in substantial:' a, Changes in currents or the course or direction of tgat:er movements? b. Changes in, absorption rates, drainage Patterns, or the nate and amount of surface water runoff? X C. Deed fCr off-site surface drainage improvements, including vogetation removal, channeliza.tion or culvert installation? � ARI-o atiottsto,,the course or flow 01: flood e. Change in the amouLit of surface Water in any water body? x f. Discharge into surface paters, or in any al.texation of surface; water quality, including but not limited to te:miperatute, d%ssolvod oxygen or turbidity? { g. Alteration'Of the direction o rate of flow of ground waters? X h, Change in the g quantity or quality ----+ Of ground maters, either through direct additions or 'withdrawals,, or through intereoption of ars aquifer by cuts or eXcavationsl pp�:tidi,t page 2 of 5 YES MAYBE NO i. Reduction in the amount of water otherwise available for public grater supplies? X j, Exposure of people or property to water related hazards such as flooding! .� 4. Plant' -Life. Will the proposal result in substantial. a. Loss of vegetation or change .in the diversity of species or number of any species of plants (including trees, shrubs) grass, crops, microflora and aquatic plants)? *' b. Reduction of the numbers of any, unique, rare or endangered species of plants? c, Introduction of new species of plants into ari area, or: in a barrier, to the normal replenishment of existing; species? X d. Reduction in acreage of any agri- cultural crop's 5. Animal. Life, Will the proposal result in substatit al. a. Change in the diversity of species, or numbers of any species of animals (birds, land animals including reptiles, fish and shell- fish, benthic organisms, insects or microfauna) ? b, Reduction of the numbers of any unique, rare or endai� eyed species q r g of animals? X4 c, Introduction of new species of animals into an area, or result in a barrier to the migration or movement of animals? C d Reduction of, encroachment upon, or deterioration to existing fish or wildlife habitat? ` Appendix V w page .3 of 9 Appendix; 1: page A of 9 YES MAYBE 140 6. Noise. Will the proposal result in Ob s tant:i.al a, Increases in noise levels'? b. Exposure of people to severe noise levels? K 7. LI htana Glare. Will the proposal , pro =dam gtt`cant light ozlarO �x . Land Use, Will the proposed result iin a significant: a. Alteration of the planned land use of an area, sir es a- bliaki a trend Which will domonstrably lead to such ] te,ration? Conflict with uses on adjoining properties, or conflict with establiched recreational, educa- tional, religious or scientific uses of an area? X 9. Matural Resources. Will the proposal result in substantial; a. Domand' for, or= increase in the rate of use of any natural resources? X b, Depletion of any no'ntenewable natural resource? } 1p, Risk of Upset. Does the proposal involve a risk of art explosion or the release of hal rdous substances (including, but not limited to, oil, pesticides, chemicals or rad:iat-ion an the event of an accident or upset conditions? X ll, PPo_.pula�tion,, Will the proposal si_ gnifi.cantly al.teJ4 the locat.ion, distribution, density, or grox4th rate of the human population of aft area or physically dividc an established community' 1'2: HOU sin Will the proposal sip.,ni icantly affect existing dousing, or croato a demand For additional housii%g� _ Appendix; 1: page A of 9 YES MAYBE N0. 13, Trans oxt,;`„ ,,cJCirculation.. hill the pro----p : Y su' a, 'Ge of substantial adds"tonal p vehicular movements �- b, Significant effects on existing n nd for X packing facil.ties,y or deme new parking. c. Substantial itttpact upon existing transportation Systems? � �--- ---' d. Significant alterations to present patterns of circulation or movement of people anal/or goods? Alterations to waterborne, raid or rY e: a.e ir'traffic? -` f. Increase in traffic hazards to motor r' vehicles, bicyclists or pedestrians? 14. Public Ser �.�iGes hill the proposal have ane ect upon, or result in a substantial need for new or altered governmental servi.res in any of the following areas. a Fire protections b.. police protoction7 c, Schools? Parrs .or other recreational .� facilities?'. aintenance of Public facilities, e: M �.—. including roads? f , other governmental services? l5.rter : �7iil the proposal. 1`esult a, Use of substantial amounts of fuer L or energy. b. Substantial increase in ti.emand upon ex;i.st'inq soUrC08 of etiergy, or roquite the development of new sources of eitergy`� Utilities wjIll the proposal result i6, r 666T^fot new systems, or stxh" stantial altev tions to the folloC,r ng utilities Gtgo 5 rr ren a .uLat on of a significant attheol.ngical or h ttorica.l site, or , Mild .ng? 22, MAnd�atoty Findings p' M .if c�x�ce a.. Does the pro j eo t h+. potential t degrade the Flu, . o:a the e'nvitO meat, suf� �k, ll.y reduce the habitat of u f1sh or wildlife speciesowiso a .Fish or wildlife pop ulation to drop below ;self p?y :ppendLx F page 6 of YES MAYBE NO a. Power_ ok natural` as? g 0 Communications systems? �5 c.. Water d. Sewer twill trunlc line be extended, providing capacity to serve xiew development),? tr e.. Storm water: drainage"? 17 Human Health, Will the proposal result in: a... Creation of any health hazard or notential health hazard (exc.Tudi.n,g mental= health) ?' X. _ u. Exposure of people to potenti a health hazards `` X 18. Solid. t�Taste. CJi1l th t e proposal result in an significant y associ.:ated with Sol.irl Ca�3lste disposal ;ousel. or li,tteL control.. 19. Aesthetics, titil the proposal result_ n—Obstruction oe any public designated or recognized scenic `vista opeli to the public, or will the proposal result in the creation, of an apstheticall.y Offensive site open to public view? X 20. Recreation. All the proposal result in an impact upon thequality or quantity of exist ng public recrea- tion facilities? 21, Archeol0 . Will theicaupi-oposa �l%Eiistori.al � If;"_ ren a .uLat on of a significant attheol.ngical or h ttorica.l site, or , Mild .ng? 22, MAnd�atoty Findings p' M .if c�x�ce a.. Does the pro j eo t h+. potential t degrade the Flu, . o:a the e'nvitO meat, suf� �k, ll.y reduce the habitat of u f1sh or wildlife speciesowiso a .Fish or wildlife pop ulation to drop below ;self p?y :ppendLx F page 6 of Y YES MAYBE NO sustaining levels, threaten to eliminate a plant or animal com- munity, reduce the number or restrict the range of a rare or endangered plant or aniinal or eli pp1 icant.rPlP-s.'i^i3r,Yt Assessor's Parcel`s-0-1 DISCITS810PT 2HD L6g `A. Project bescr:iption 'l Type of ;Projo(,t; Land Divisioi; Tont„ative Subdivision Ma to create 1761 lots on Erief, l)escrp.on : P 399 tots', acres 3. Location: hast Side of Pentz-Magalia highway just to east and north of Kunk e'Hesevoir, 4. Proposed Ery:z,:i.ty of Devel.opmon-t: 2.3 acres/�r D.V. average. (390ac,/1700.U:1 f Impervious Surfacin: 0--80 ac Amount. ra Stn p�, g About 5 � acres. , 6. Acoe ,�nd Nearest PUbl :r Road(s)- Pentz-Magalia Highway Method Itidivxdual Spetxc Systems of Se�ati e H�,spraw al 8 C ,urco of W vbor 'Co=uftIty well and storlige "system 1. Proximity of -Powo-r' Lazne,. ; Adjacent 10, POtey�tial for fuVthvL, liarzd dIv°.�s .ojjs rid detrelapmcnt:�.LimitFci 'subsequent to app bval of the subdivision layout 13. EnyironmesSOt,t�i,., s f; Physical E11yi voll-ler t: 1: .i erra a. Goneral TopoV,rRphjc 01jarac t or: Gentle to modeVate tcrrai:n over most of Sita. Steep terrain adjacent to the eastern subdivision boundary - b. "slopes: _Under 10% averA6�s it drops -toward tho reather River, most of the site. _ Ci. Ova t;%e11 : 1500-xG00 feet ,Ab-oVA flea level, r ijimitinp; rinct.ov Steep slopes On portions of JotS 30, and 41-46 Pi Soils a T5tpc:i and Charaot.eristic ;: Soils onsite are class !V-VI and class Vil type. Wail tsuitod to Open-Grazing land: b. Tjimi hine,, V4jcto ,,-,: Shallow soil in places. Natural Htjzztiv(j:a of the Land a En-PHuI3taku Zo3io:__Moderate, Earthquake Ihtensity Zone VITT. b 'Erosion Poton'ka;AI:H;wghd:. Fre azarc7 J46- ,.�treme c. tancl.�l cue pol ent .:tL:lnv-localiglle• E nn ive oil. Poten��al tow-Moderate �N YT ciroloY . Xubkle C eek passes between Jots 6 and 186 Kunkle a. sur: txo WateW'- Re,Aeyoir about 506 feet to the south, Feather River a�>'j acent; to east . L Appendix r `__ page 7a of Discussion Continued. b G.-ro-Luid Water: Available with deep wells. '!Amit6d resource in this ^ g r'%st o;; : Sitei drains .downslope tmostl area. t:. 'a aI pL e Characte` southeast And southwest) into the ,Feather .River and Kunkle Resevoir. d. Annu6i R kii,i'.-z.a.i:- (, xC rural) : About 45-50 inches/year e. Tlimi't; r Factors Capacity of resevoir system Visual/Scenic Qualitydiigll 6. A:coustic,Qttal:Mi:i, ys High, noise levels along Pentz-Magala Hwy, Low - Air Quality: Good , � mc�.derate levels elsewhere. Biol6gical :Envir<nnient i r 8. VeG(wt:ati on:A1ostly chaparral, some grasslands, s;:attered oaks and digger pines. No known rare plank locations. 1r %l.OI�' tc Mabitat; : Dense vegetation OVer most of eastern ,portion of sate Within western edge of ;deer wint6r rang-. Within range of Southern. . Cultural t-hyi.ronment . \Bald Eag`Le'/Peregrine Falcon. 10. ,Arclhaeol.ogi.ca1 and Historical I osource,,- in the avea:Four recorded sites ft SOdtiOD 31, CA-BU'r 320, 670; `673 and 674. Area is known to be 11. Butte County GoncrAl Plan do ,i gnation: Grazi,thg-Open ��.sensit Lve . Land (1-5 nCres/D.V._) 12. Exist ng Lor,.;.nf;„general) and S -H (scenic.highway)- 13. Exci.stinf, Land 71st: on-site; Open land with dense vegetation and scattered trees. 4. Surroualcliytg, Arca. : ai Land Nscs ;Feather River to east, Perm;.-Magalia Highway to west - Kunkle Resevoir and homesit tosouth and, west, tjostly open land. b. Zoninp:A-2 and. S -H to north.. C. Gen Pln Land d. Parool. S'IL,o :Not uniform, 2"160 acres e Poptl:1.ntioll Light1y.Poyulated along the highway. 15i. Chavac.'tler of Site an,"i .Lroa OPOn land. 80.attoked home8ites 'ICS. Nearost Urba i Avva: Paradise 1.5 miles � . Rci7ovaril, SP)�t�rrs of Irl lt�cw Lt � : NA 13. SmProt etnent,; Standar&l -- 'lfvbw'i A4,ca.: N�1 199 Piro Protection Servi.co ai Nearc�gi, Cottttty (Stato) Vire 8tationt.�'arad pe area Protection b.���ni ea^vai Laofi.i,�Leep. we1 to lie drilled (Stae anal county) G. Schools in ,Area: Paradise area schools Appendi.x,. Page h oi~9 III_. DISCUSS3;ON OF ENVIRONMENTAL EVALUATION Summary: 11 The main impact of this pr'opasal is the urbanitatibn on an existing und.97eloped area4 urban problems Auch as sewage disposal, traffic congestion, noise, road maintenance, and air pollution will become established in the study area: Growth-indUcement will`occur date to extension of utilities and roadway's Arid the provision of public services in the area,. Similar projects will likely occur on, adjacent properties with the, ability to develop,to this density, Much of the latA along the ridgeland atea north and south of the site cannbtbe developed to this density due to the natural limiting factors,uf these include, excessive slope high erosion potential, shaltor low soils andlimited groundwater supply. There are no public service or util.ity, districts in this area of sufficient capacity to provide adequate,,service,to a development of this size. The effect of this proposal wgald be to significantly alter the existing environment Nand character of this low.elevation ridgeland. Impacts include: lb: A significant amount of displacement, compaction,, disruptions and overcovering cif the soil will result upon construction of the sub- division. J.c: Significant topographical changes Will be limited by the moderately level character of the area. Significant topographical changes can be avoided by confining homesites along the Feather River Canyon (lots 30-46) to the western portions of those lots Development of minimum standard access roads should, conform t7 existing topography so that extensive grading is not required, pzi°per compaction tech~iiques will be ettployed if required. le: Development of access 'roads and homesites will result in increased runoff and erosion from the disturbed, exposed soil surface. Erosion potential in the area is rated as high, Significant vegetation removal will also effect the rate of erosion, mitigation iP,orasu ies are required. if: 'there will be an increased rate of sedimentation in area draws, ephemeral creeks, Kunkle Creek, Kunkle Rosevoit and the Feather River/Lake broville. Fa,,.,tors effecting this rate include vegetati oli removAl, extent of Soil disruption, erosion potential and increased runoff which will be gemgrated. The primary access road proposed will cross Xunkl o Creek as shown on the Tentative Subdivision Map, Stream - bank alteration will occur to an unknown e}:tent; The value of the land for watershed protection and stability will be reduced. Adequate mitiga- tion n1eas't111es to reduce erosion and prevent sedimentation are required; Appendix F - patje 8 of 0 lhs The seismic hazards (if any) posed by the Big Bend Fault should be assessed by a geologist, The landslide potential in the area is moderate. The expansive qualities of the soil are moderate. No, indications of, fractures, faulting, or block gliding were observed onsite. Aerial photos should be consulted to determine that -this is actually the case za:,, An estimated '1,200 -ADT increase in local traffic due to the sub- division will of the release veh� cular erose i,t1 local .ambient ill result in a ro ortional decrea air,quality beG rna.n machines etc. will releaseipollut. Residential activities'(bu �, y, ) pollutant matter. Dust and particulate matter will be released to the air during con- struction 2c; ,Microclimatic changes will occur onsite resulting in higher tem- pe�4ature levels, _etc. due t'o heat obsoptive, racl�.ative and refecti.ve materials introduced onsite. The project will incrementally effect the'loca,l h�drolagic cycle.. 3b; The rate and amount of surface water runoff will increase due to the introduction oaf impervious materials onsite . Most of the property drains to the south and west into Kunkle Creek and Kunkle Resevoir.. That land along the eastern e�",-, of the site drains into the Feather River Canyon. 36: Off site drainage improvements may be required. These improvements may ii lcude channelizatioft,_ vogetation removal, etc. 3f: Any sediment generated (refer to lit.) will be depositedin area receiving Waters including Kunkle Creek, Kunkle Resevo`ir and the Feather River/Lake Orovxlle. Stream crossing ,will increase the effect, Residential: use of the area will also result in the release of residential. -I chemicals including lottilizerso, pollutants will likely reach the re- ceiving water8 due to the high rate of precipitation (45-50 inches/year) and the moderate rate of infiltration. 3ht The subdivision development will require that la•ege amounts ol groundwater be withdrawft, Groundwater supplies ar- thought to be limited in the canyon ave'ar, how -ver, the extent of :he groundwater resource is not known. The adequacy of a single well and disttribution system for a projoct of this size at this location is at best uncertain at this time. The Butte County Irnvironmental Health Deparment will require that an adequate wager supply system be documented for approval, The severity of the impact will depend on the actual extent of the resource. Alternatives including additional well,4 or the establishment of an area wide community servioo district neod to be addressed., Wel) permits are subject to clearance by the Butte County Environmental Health Department, 3j: The study area is ;not within any designated flood hazard area. The total Kunkle Resevoir watershed system stretches only a. couple miles north of the resevoit, The watershed is characterized by gentle slopes and an adequate infiltration rate, The flood potential. of Kunkle Creep as it passes through the project site is expected -to be lour with only the parcels adjacont to the creek being significantly affected, (Lots 5,6,11,12 and 13). The lowlands at the headwaters of Kuhkle Resevoir may also be subject to inundation of an unknown degree;, Appendix 1; page 8a of 9 'Ihe proposed access road crossing Kunkle Creek will require that flood potential �b6 assessed 7'so that. adOquatto, protectipn can ,:,)e provided, 4a,,, There will: 'be'&substantial >amount, of vegetation removal, 4ue to construction Of Access, roads and preparation � of hQmqsites��, This it ' sighif I"cant in the fade of high erosion potential and,. its qX.f,:Pct on local terrestrial and, aquatIc wildlife habitat. Therpis,ityp riparian vegetation and .1 ndscape "equirements should utilize native spt.�cies as ,a r, much as possiblo. The site Is mostly chaparral with some grassland, scattered Oaks and digger pines. Chaparral and the dense oak -scrub ,communities are, characterized by a high. fire potentiali The State of California Division, of Forestry or Butte County Fire ;Department should be -contacted concerning the fire hazards in. this area so appropriate safety measures(firebreaks) fuels managment, 'etc.). Can be 111stituted., 4b: A location of the rare and endangered Yritillaria, oastft6diae is known of just to the north of the project site. Suitable habitat exists, onsite and individuals or population's may occur. A botanical survey -should be completedi 5a d: Development will. result in, the relocation of resident Wild- life into the surrounding open lands. Wildlife will be lost from the area permanently if these adjacent lands are at, their carrying capacity* Urboft tolerant species may return to the area subsequent to development. Larger, more sensitive animals Will ' be lost from the area permanently. The project Will contribute to increased, deterioration Of valuable wildlife habitat in this area. The canyon and ridge lands are important migratory deer winter range. The Department of Fish and Game recommends 20 acre minimum parcel sizes as the maximum density of dOVOloplilOftt Which is compatible With this habitat. The ef"fedt of the proposal on wildlife habitat is unavoidable. 6at The acoustic, character of the area is rural, open land due to the low density of development, A change in this character will result with approval of the sulidi,visioh primary noise sources will inloude traffic, hdMo, tools,, and rti"an.hinery, appliances, motorbikes, Wood cutting; children, domo8tld pets, etc. There will be construction noise. 6bt Subdivision residents ;would not be, exposed, to, excessively high noise levels from Mentz-Alagalia Highway at this time since traffic volumes are low. (1,523 ADT 1977 count). As traffic volumes (noise) increases, residents near the highway will be exposed to excessive levels and mitigation rhea -sures (sound fencing, open space, corridor, etc.) Will need to be incorporated -into, the project, 1: There will be ihdroa8ed light and glare. 8 The existing zoning of the land 4,rs A-21 (general) and S -H (scenic highway)-. The A-2 (general) zone is not consistent with the Butte County General Plan and doos not adequately protect the integrity of the 0peh-Gftzih9 Land land --use designation, Development of the sub- division would drastically reduce the intended use potential of the land and may be in conMet With publically adopted long-term goals, Appendix F page 8b of 9 The proposal conflicts°with the surrounding character, of the study area. The project will not establish a precedent for minimum parcel si.ze'�'in the ,area.. ` Many small parcels exist scattered up and down Pen��-- tfagal.ia Highway. The proposal will set a precedent by establishing a concentr tion of sinal], parcels. Much of the surrounding land ;Cannot bb developed to this high a density due to natural limiting factorrs. 9a"": Natural 'resources: will be consumed at an increased rate. gb. Some non renewable natural resources will be consumed. (Tuel,, energy, habitat, etc.) . hevstudy , area. , About 442, persons are expected too reside city ll : The . of the study, a p�Y increase the populP�ioxi density the subdivision upon buildout. The area is 'lJ.ghtly popu.la.ted at present. 12; There may be an increase in local area housing market,,opportunities. 13a The total 1.70 i-e'sidential lots will gener'at'e increased °traf�',ic within the subdivlsion and along Pentz-Magalia Highway. it Ls e:ttimated that the subdivision proposal would generate about 1,200 vehicle trips per dayµ This is significant when compared to the avai).- able 1.977 traffic count for Pentz-Magalia Highway which vas 1,522 ADT. Traffic volumos will be increased by over 67%. 13c; Theme will be a substantial impact to Pentz'-Magalia Highway. This is a wide two-:pane highway as it passes the project site. Miti- gations including left-turn po Vk)ts and traffic control measures should be proposed. for consideration. Adequate sight distance should be maintained along -the h3.ghwaya No direct access will be allowed on those lots fronting -the Skyway. Only one access is shown from Pentz Magalia Another site access (possibly to the North) should be pro- posed for consideration to promote adequate internal clrculatiM, � r Access in not Provided to most of the. site,, rkie extension 01 access roads is Thore wgrowth-inducing. 13f'; : ill be increased traffic related safety hazards to area residents. Adequate circulation should be Promoted,. 14a, f The proposal would generr:te increased demand on all the various public seg.+Vices;: The level of provision of public services in this area is 'low. Specific information aboUt the impact on the various public services should be ascertained and docu►neftted. Tire and police protection requirements especially should be detailed; The expansion of public services into outlying' areas is growth-inducing. 1 5 There will be substantialincreases 3.n the local consumption of fuel and onergy especially since the development i� in an out-- laying area. 16'a, b The project would require the extension of electric and telephone lanes onto the property, This extension is considered to be growth-inducing. 16c: Water w,'.11 be s'uppl.i.ed by t community well and distribution system. Appendix 'j - page 86 of 0 The availability of water- is of concern as a limit'.°ng factor. 16d; The effect of a concentration of septic syst�.., x; `7n groundwat� and local surface water quality (KunkleSystem`)-%iould be! assessed. 16c: Drainage improvements should be coordinated with the Butte County Department of : P`ublic Works p 18: Sigaificant amounts of solid waste will be produced by the sub- division residents. The county dump facility on Neal Riad is ,rapidly approaching its capacity., 10: Mitigation Measures to. reduce the potential visual impact of the subdivision should be proposed for consideration. 2C: - Local recreation !'a;dilities, particularly the, Lame Saddle Recreation Area will experience increased use. 21' An archeological site survey is required due to the sensitivity_ of the .mite and the surrounding area. Four reoorded sites' are known of in Section 31.. (Refer to Environmental setting): 22a Rare and etngangered plant, a;riimals and important archeological sites may be effected by the subdivision development. (Refer to 4.b. , 5.b, an 21. 22b The long-term value of the land as open -grazing land will be reduced: Housing opportunities will be expanded over the short-term. Fujther development of the area will be induced. 22c Cumulatively considerable impact include all those numbered responses to yes and may be check marks, within this checklist Key factors include: 2h ansioft of p public services. utility extensions Access Road extentions - Erosion potential - Sedimentation - Vegetation removal Nater availability Increased noise Reduction of air quality Drainage solutions to handle runoff' - Incroachmeh't on wildlife habitat Conflict with adjacent land uses uses of natural resources Increased energy use -- increased traffic and safety hazards Possible gvowth-induc- •.--nts 22d Air and water quality irenact8 as well as increased traffic safety hazards may have a substanti}a1 adverse effect on humans, Appendix F page Sd of 0 IV DETERMINATION (To be. complete. uy the Lead Agency).; On the basis ti- ;his initial evaluation; 1 find the proposed project COULDrNOT have a SIg'hificant effect .on the environment, and A NEGATIVE 1?ECL-ARATIOW ks rrcbmnlended, C] 1 find that although the proposed project could have a significant effect 'on. the environmentp there Will not be a s :g�,:.f:icant effect in this ease because the mitigatiah measures_ described on. an attached, sheet have been added to the ,project. A NEGATIVE D CLAR TI IS �C�?T�pi1EIV�ED-. I find the proposed prOject MAX have a significant effect ,on the enviroinment;, and an ENVIRONMENTAL, IMPACT REPORT is required Date u (Signature) ---- For: ENVIAC?NMLNTA R�, VIb.'V 'I)EPARTb1F;NT llav m4ed by 94rl 17 Nolsoo l;;nviriatunwital Review Director AppehdlIx F = page of 9 g�� ti�!'w r Il CHAPTER IT COM1 ENTS TO DRAFT 'ETR Following are those who commented to the Madre de Oro Subdivision Draft Environmental Impact Report; their comments are included in this chapter, John A. Hawkins, Battalion Chief Butte County Fire Department Bob Baiocchi, Consultant Paradise} California Lynn Vanhart, Envikonme-,� '4al Health Depaft•nent Butte County Mel Hollandt Division of Planning and Research State Water Resources Control Boarrd E C. Fullerton] Director California Department of Fish,and Game Rona. d B. Robb t Director California Department of Water Resources Anthony J. Landis California Regional tgater Quality Control. Board Central. Valley Region lar-�l 1 4 .' rAe��drWD memorandum r mi EA rl n. Nelson, Direata► . Esiviranrr�:ntral Review Department To ; Fire Warden,, butte `Co. Fire Department rRgµ: Rob jlt E. Paulus, County Fire prevention EngineerinC sues t `r: .pooxnc` Land Use P19nn�int; t�?,n Fire S;fety CATEt. setetnber 10 14?9 Br `euer-Huirison, r;rc.; Tifntatave Subdivision Map i ;;[�-• # r(9"04-'94-03 Mn ire-De Oro j Al' for it's impact on fire protection. but is incomplete, and r 5 the f .rp protecti.an matteru will follow the The fire department bas ��r��ri'hwc�d this. o.'� .R,. The report Gei�!x1r to ca�Ve c,rki rePh numerical adentifert�• �, inracctarat;� in ary rel areas. wra review .nn:;t a mpar,aantl., t:e x ,'. R. as,ined section' r S E.Y«F?d a`ormq�t� tit,.inS r Verretation grid ;�iId11fe' �no the burned area Sect c?'' " ea is ard' Ye�rtntxon T'he second neraSra hwr�t:ur in 19764 It ;occurred on -----le Fire #199) • inacc.trE�te. The Tiro t�.iscussed- d:c� nrti �� t;lncid$nt #13+9, July, 7 ► 1977, t �eprroximat eiy 61-00' p; tlt ct 1j� acres dJ ye�rxtan as ioixoy:s '.the fire burnrd a � oto�l of `� 1'loodl.and - 10 0cren Bx�sish %, dares Gras 7.5 acres In o Tit�be 145arm etitb by u �>'he c to a Mas de�ce,rntinVd to be a t,arelersl d� warded c� gar N.� s ed t� of k:un'kl0, fieservaxr- fisherman r,ea•'e _ urged on: september 1, 1977, near, Another fixe of undeterm*ned oritin ocr, -, F�.re #W), The fire e of the reservai cnc�drnt�O It vtould appear ,from the t1a ed ran ect gorse. th a N- r;cxes t�f brush and � arses of S 6 on es 0 18a that this fire did not extend auto the Pxtl� fir,uve and correct seloral items - xtF, imgjortant to clariry ravided to the area FirO Prot pro �s P p-,-4, ------ -.�"" Wi"ldland fire ' c�; cussed in than sectiota EDF) as is a:rthalried by Sections a,yrtment of°o'k entry ,Structural, and Other fire by the Ca'iif'bI"rtia Dcp This is 4102 and 4`11 at the Public I�esaur .eo Cade,. o Department ($CFD). -protection is Pro�rided by the nlitt,�: County Fa.x . p in Butte County, ,the o Goverrkmont Cade CDV to ��i42 of th urate the AlIthoinzod 'a Sca'tinn � p CDF/BCFI7 is one' rd of Sup:'rv°sors have e1,cr;ted to ca�trrzct r3th the op' Hoa COQ Cavernmr'n.t Got#r. Corysra^uent] y ., th i Brw (Src'ti Oft �� . � arein thn resources af' bath are used a� o�ie fire department. operate oIi why I grid a.greem�`rtt or utnmatic aid otherethAt dxiotb i'ta formal rhutu,�1 { .P,p.D..), ecce t 'P.arad.iA' (, Tire P,,,t,trtiotr, Diotr�icti � , encieo tt) requests -P V.-Aster 1.�ytu Aid ASreemt}nt. tallrayss Erre aC v out arreemen t mutual-ry ct without rc�m�an�'ratianti'ar�tli first nfaY-trxal�4 boars, ax er and lirmido Whir h t1« provider may requa t rcambars amen a ha:: existed with the P.F*P.D, whereby they will respond up6 a request from the CDF'/Bt:FD to the project area. No mention is !made in this section regarding the flammability and :!:ire protectign, problems associated with the vegetation Found in the area. The Kiwik: i.+: Reservoir, fire of July 7, ;977 was a vivid test "mot' to the speed and force with which a wildland fire can spread in the natural cover., The fire burned approximately 50 acres within the first 10 minutes after discovery. Had it: not been for a wind dhan94., and the imm- ediate availability of air tankers, the fire could have easily spread into thep "t ' axl Trails develo meat. The fire department cainsxders the type of veSotation found in the area to be one of the most dangerous in Butte County frori a fire protection standpoint. ";. Sention .. A F�rivtronmentnl Impact Analysis, I x.1.4_ Tiro Protection - As previously corrected in Section 2.7,4:, the fire -protection is provided jointly by the CDr/BCFii. Response time 3 to tfie area of 2O - 30 minutes is totally inncouirate The fo]lowang are acton'L times of fire units rertpondine to previous fares in. the arra. CDF BCFD STATIONS Station Leas ti n Pesronse Time Paradise (8ta. 3 1464 Forest Service Rd„, Parnda.se (Seasonal.) 7-9 minutes Upper :Ridge t : ,a 33) 12050 Skyway, MaGal. a 12-15 minutes � Oroville t * 3) '176 NAlson Ave., Orovil.le 14-16 minutes J'arbo 'Gap (Sta.. -6) Highway ?01 Jarbo Oap 14-15 minutes PFPD STATIONS r ,Station 1 767 Birch Street, Paradise 7-9 minutes Station a Pearson & So. Libby, Paradise 6-7 minutes IGain, the mutual aid is only an informal, verbal Agreement. The sor-ond paragraph is very` inaccurate. The central dispatching center for tht CVPAG7D is located at fire department headquarters, 176 Nelson Ave., Oroville, Outside of the P.F.P.D. all rosideftt8 are advised to directly roport all fire/rescue onorgoncior, to thr, centra) dispat.hin,g center. The center then dispatchos axl stntions, »a:d and volunteers by radio using a selettivo da:ll, tone encoded system: Tht: center also advises other fire departmeehtn within tho County, including the P.F.P.D. w of alarms re teived by ths- Ci)F/BCFD in their jurisdiction* Hopefully this will clarify the first sentence in the second para-raph which is very vague. A, for the P.F.P.D. personnel advisinC "that the proposed `170 -lot sub- division could be ade uatel.y served with no decrease in the level of Se=rvice nvail.nhle to other tarean," the following applie,st. The P.F'.P.D. ha , no authority giving a' -vice as to the fire protection needs cif those ureas served by the CDF',/BCFD. .The subdivision proposal fins never been discussed with any representative of the G'DF/ACFD by the applicant or the preparer of t;Ye 'E.i R. however, a conci4ion an to the fire protection ne ds has been drawn by "discus— slots discus siot,s with peY:sonnel: of the P.T.P.D. Stntion...'i The develc> vnt, when fully occupied, will house opproximately 390 people. llsinv CDP/TJCF'D response development statistics the: fire department will roA.nono :a;, iverage of 10 times pAr year to the dovelopment Medical Aids (10.515 „esponges/1000 pop.) x (.39) 4.1 responses Structure Fires (3.576 responses/1000 pop.) x (-39) = 1.4 responses Wi.l.dland, Fires, V,267 responses/1000 pop.) r. (.39) 2.4 responses Viscel.laneous Fires (4.197 lre8nonses/lo00 poo.) x (.39) = 1.�i_rhsnonses 9'.5 responses or 10 responses Therefore, th- conclusion drawn in th+: third prtragraph of this section. ar, 1" ..with tee exception of the Butt.- County 9hhriffe, nerartment spry c��s ara reportod Pr. beitia odenuato? to ,k-,Orv)ro the rronosod project,' is `ent- Jro,ly iriieiirntip. Tho preparer of the E. :'R. Woul.'d hr+ve known this had he conttednanc�roper fire deporthot t and not the fire station ;aersonnel of acag w 3�.2 Water Surely Alternatives The development will have to moot the fire protection water requirements of the CDF/BCPD its previously nuh�mittod. Aj cory of the requirements is attached as Vlxbibit 'I. The proposal to have the: northern access road connect to the Quail Trails road could poss%bly lead to evacttatiori problems in A major Sire situation. Shoul:;d afire more. serious than the Kunkle Aeiservoir Sart± or 7%7 77 spt6ad into tho subdivision. and cut off the main access to the developmenti the only means of egross would be out through Quail `.['rails. This could lead to a very d4baorous ituation with the residents of both developments attOmptin to evacuate via the Quail Trails 'Road. 4. 0 Ds. nositinh .of Environmental Tmn-ndts � Rural. Fire itntard - This section of the: 1.1 e is ,probably: the mont accurate with regard to fire protection. The eanger of a brush tire s,iread- inS, from or into the development, is significant as expreAted in the first l+flra�raph. il _4.. eve im fires band trio four c mnificant ,t pnb.ie edacatio» �s important to preventing ° i1t arc not mete items 1, t,,d on the top of pnCe 5 P lint of possible sources of 'fire ignition., Consider also: ,.Fires caused by children, 'fin aretatAwid as protected by the' OF se,, children caused 8. 32* a the total fires in 1978- r Fires stnrt(d b recreationists either in the West Branch of the. Featherr, 13ivj'or° near runlrle Rdservoir spr'endir g into the devel� orment .Fires started off the Penta.-Magalia Highway spreading into the r7r've�lopment ` ' i wild)snd fires statewide in 1978 s'.,arted off roadsides.) Firefighting.needs are most properly determined following ail analysis of the possible fire ignition � - � p , s. In t nitia» re viabletconsideration woulddbertolfollow the r ase of this proposal, . tile lecommHndatians as developed in the publicatian Be FirO Sa_ f'e 1 , available from the CDF BVD» AL, stated, in the• third paxsgraPh, water is a very important part of fire - of in fact, it merits; of the total, consideration when determining Fine ?n ur:incd Classes. The development oval,unteer fare company for is a possibility. In any event, this the �irea using paid call firefighters ctrv4lopment will require a further reviewto determine by the fire department specific ororation a needs. In conalusio», the COF/WFD feces ," this cLVelo?�ment will lead to further th residential dt:ve�oprnent in t..te area, particularly with the availability of dbm ttic� piped water:` The end result will. be & signi'ficant impact on fire protection. Future growth will determine additional fire proteatiOn and a volunteer pp ls, fire �ampany• o tAtlonal noesuch as a fire station The B.L R2 as written t did not adequately or accurately, address the fire protection ;impact• hopefully; the comments as submitted by the fine depart Ment will be used in any fiscal. determinatibn as to the feasibi]`ity off this pron6ged subdivision. T pAIrt FOli.c:R County VF re Warden Bohn it. I#awkins P,Attali.on Chief Jc Inter-Departmental a mrdp.0y .. .. to. butte County Public Worka. Attn: John Hencipnnn .aoa: Butte County Fire Dop<artmenC, ru®Jseet,t BCFD Plan. Rev e w DevO oMent Usme T_ ,e,vrL A.P. _l- J3'�r3tC, �.30Lts�, The Butte County Fire Doptxrtmeni rehuirea thN folloairrg (nnr item ch► ckerl) t ( } No Requirements. ( ) Payment of. %into the Fire Drp a rtznpnt Hydrant P'uttd. rj Fu--% is based on linenI fret of frontAge flats -$1.25 per l,inenl foot. 1 (?C) Ynatallation of f rr, hyarnnt(e) at It; .catinns indicnted by reed circle(a) on the ntViched drAwinr,. Requirrd r1re rinw or tjwAr f hyrrtxn is i ny L`%Ql.� G}ki. mitsitr�um hydrant ni x " in maximus. hydrnnt-to_h drnnt r,nacin- e t'7< fe:ett--. t~ j Hydrants uhnll be A&Yk-5%- 7 rand nhn11 —_ titin be installed Accor: ing to butte County Public Work's �tandgrnn and 5-28. V rural oporatin{; Prerjourea Shall by not !Cats than 40 PSIG + , nor tscre than 12.5 PSIG residUAI at 010 atrvicw ctinnecticn. r{� Other Reg1I rvm6ntly; I F P"ry`'& 1 � L L L +G ' ', 4 �✓dna �� y� 1 yam, - / (J �i'J i7. t " Ar'!'r -y' 71-7 / /.? " - `S ,q ' ZT?� "ic`.-- FISH AfM WILDLIFE LEGIS ANALYST wA7tst 4ESQURCES LIVE ANALYST WATER QUALITY RlAalocck C :O N 5 U L T A N T 1859 SALIDA WAY I1 w PARApISEF CALIFORNIA 95969 r 1 1, C J, 7eleptione; (916) 877.1565 Bmt; Coun4`y Earl D. Nelson August COs 1979 Environmental Review Director Envronmental Review Department Butte County 7 County Center Drive Orovine, CA 95967 Re: Draft EIR. for :Madre .De Oro Subdivision Dear Mr,. Nelson; This is in regardsto TIy concerns for the draft Environmental Impact Report (%JR) for the Madre D'a Oro Subdivision proposed by Breuer -Harrison, Inc;, of Fullerton, California. In reviewing the documen%, Y have developed the following orrrtoentm. 0 )' The traffic circulation data as presented in the DBI re p _ inadequate p uate to properly evaluate the proposed projectls try impacts to existing traffic on Pentz-Magalis. Road. Traffic counts in the DEIR relate to data obtained by the County in the summer of 1977. In the summer of 1977: :Mater related activities at the time Saddle 'Marina declined due to drought conditions Which subsequently reduced traffic counts on Pentz-Magalia Road adjacent to the project area. The final EIR should identify this decUbe and provide an analysis of the present use at the Lime Saddle Marina. y2) The MaR fails to address the present condition of the Pentz- Magalia Road relative to hazards and safety factors from increased traffic from the proposed project. Increased traffic as to the magnitude identified by the County and in the DEIR may Very Well create f lture hazards due to the narroi) conditions of the Peutz- Magal a 'Road adjacent to the project area. Pentz-Magalia Road is presently heavily utilized for public acces;t from Paradise to the Lune Saddle Marina and Parish Place swimming location, during 'periods of summer wit -h many wide boat trailers utilizing the road adjacent to the project area, Also logging and gravel truck tra!fic utilize this road for commerical. purposes. The fix -,,al BTR should address the specific period for County inprovemerit Work for Pentz-Magalia Road in the project area so that the public entities can matte an adequate evaluation of the proposed ptoiec•t in conjunction with the safety measures needed to mitigate for ,he increased traffic from the proposed project, (3) The D81H fails to address the need to file a report by the applicant with the State Water Quality Control Board pursuant to Section 13260 of the Porter -Cologne Water Quality {tet. There it the cbnsi.'doratibn that Water 321 the Kunkle Reservoir Ls presently utilized 'by the California Water Service for domeNtic use in the 1bvier reaches of the Miocene Mtch. Though there may not be significant short-term r impacts to water quality9 there may be long-term accumulate impacts from the proposed project. Therefore water quality data is needed to document the present water quaiity condition and, proposed conditions in the ongwterm ,future, with additional constrains by the state. (ti) The DEIR fails to address the trN.nsporton of school children from the proposed project area to the local school system. This concern should 'be addressed in Thr- final. EIR in conjunction with the current carryingcapacity of school., buses to the project area and. the .need,, if any, for additional buses due to project contribution of 50 school. children. The increase to transportion cost, if sriyy should also be identified. (5) The DEIR fails to address the specific fishery populations in Kinkle Reservoirs the 1iogene Ditch and the west Branch Feather River. These populaticn,s ,should be identified in the FEIR in conjunction with possible impacts to water quality from pre and post -project sedirentation effectss septic tank leaching and.post-project chemical applications. (6) The MIR fails to address the aquatic life in Kunkle Creek,, if tiny and the impacts to aquatic life .from the proposed project. (1) The DEER fails to mitigate for wildlife 'impacts from the propose& project. The Department of Fish and Game (DFG) has s"ecommended,that 20 acre minimum parcel, sizes should be implemented in developments of this type. The DUR fails to provide this habitat; protection with adegaute mitigation measures along the eastern portlion of the proposed, project area (8) The DEIR. fails to provide adegt, `-e data for this alternative to develop the proposed prDject under constraints of 'Larger lot sizes. This Alternative should, ,dent; ,iy the proposed reductions to the number of homes, their locations and the resulting, reduction of project impacts to the env; roi-iment. project project,, Thank you for the opportunity to comment to this Sincerely tet Settye Blair. D,�+�e, County Planning Director`'"`' Butte County�Planni,hg Commission Inter -Departmental Memorandum ro: Environmental Review - Steve Streeter Buffo Ctq ty F,Rotd: Environmental Health - Lynn Vanhart " 41- 3reuer-Harrison, ,Incorporated. entc6 ive Subdivision 'Map susirIC1 Assessor's Parcel Number -55-30-13 Etc . , EnvironmentalReview Department Log Number 79-04-24-03 DATE: September 25, .19 79 Soils- The repo;rt'accurately states the soil conditions in that there are varying amounts of soil overlying a lava cap. A;l water entering the soil mantle, consisting of precipitation, irrigation and sewage, except for what is lost by evapotranspiration will flow (page 17 & 59) to gunlyle Reservoir, Lake Oroville or Dz�r Creed. The report also states (page 39) that sufficient soil contact time and filtration will be Prov-1ded. With 170 residences located on this,� soil mantle we question that adequate fil-61.ation and treatment 9 will be provided. _ p �• a g r k'astetrrater Treatment The report is correct that individual s�,wa e disposal systems will'provide many years of service provided the are installedin areas conducive to waste water isposa water flows' through the soil mantle cause a perched. viater table that varies directly with the depth of the underlying lawn cap. Stich flows .surface at various locations throughout the subdivision. Based on the uneveness of the lava cap and the perched water table we question the statement (page 46) that the project site can adequately accomodate the quantities of waste water anticipated from the individuals stems ti depths y We feel that lots with shallow o�. d.e the and/or high perched watuor tables may have to be eliminated or combined :with other lots. Water Supply-- (;page 24; 34, 42) The report indicated that water will be supplied from the Lime ,Saddle irrigatior. District for about GTIo of the subdivision or about 100 homer. The Lime Saddle irrigation District dons hot yet have a permit from the .Health Department to serve domestic water. The permit requirements for source capacity for 100 homes would be approximately 100 gallons per minute If I the Lime SaddleIrrigation. District well output is 150 gallons per minute, this 'would leave only 50 gallons per minute for the rest of the Dime Saddle Irri.gation { District service area, Thus it would appear that the Line.Saddle Trrigation District could only serve a smaller portion of the project`. The report states also that the water supply will be 811pplomented YvrLthl an on site viel.l: connected to the Lime Saddle irrigation D�stri;ct ' system and Will sappl.y= an adequate and reliable water supply to the project Site. We question this statement,. Our experience with wells iia this areaa are hard to oalthough limited, indicates that good producing web s e bt . Any new water system uri ll. be sub j et;t to the requirements oZ the Health Department in accordance with the Safe Drinking Water Act standards. The capacity of the wel l be a Most .important consideration I `v EEV %ll d G� �brS oRISCOLL & A=CIA` tS GGJ a 1979 �,.—,..,s..+i •....�++""+. �1�.� tib..«« tQC,iCiil»Q,,.w«3i1 Sta7� �8 �,onaornka , , u v Me m or and um ro a 1. Mr. James W. Burns Projects Coordinator Resources Agency, 13th. Floor In Reply Reber Resources Building Tot 420/KH 322-4512 2. Butte County 18-F County Center Drive Orovilley CA 95965 prom : ,TATE WATER RESOURCES CONTROL soARE► DIVISION Or PLANNING :AND KUKARCH Subject REVIEW OF NOTICE OF INTENT: SCH 79082.05 MADRE`DE ORO SUBDIVISION Introduction: a In addition to the letter from the California Regional Water' Qpal.ity Control. Board, Central. _Valley Region, dated Septeffiber ;?0 1979'i the State Water Resources Control Board offerm the following comments,' R � c �rnrri Prid:at i on': The final environmental impact report should address the following comments. GeneralL Comment The Basin Plan for the Central Valley Region. requires sewage disposal system maintenance districts for projects consisting of 100 or more units. The final document should incorporate and discuss this regtiirement .Specific Comment"` Appendix.B 1 Because of tho, potential for groundwater degradation, the Regional Board Guidel.inee for Land Development will be required in conjunction with Butte County Ordinance Not 601* Since the Guidelines may he mare limiting on developmeant than the County ordinance, the :final EIR should discuss any addi- tional requirements resulting from the use of the Guidelines. 2. Appendix rock or ethat 1termust have at least two :feet off grow�.dwain order to use an individual sewage disposal system: Th+- final document should note that i s order i s rder r4,,,o meet Regional. Board Guidelines, five feet of soil d be§,1ow the septic tank invert (,a total of six and one -heli feet 1�f soil) . Mr. James W. Burns Butte Canty "2- 3. The final document should also, note and address the issue of percolation rate`: Except in very :Large Lots, a percolation, rate of one inch in 120 minutes is only half of the at:ceptabie Irate stated in Regional Board Guidelines. We would appreciate r` eOL-- v bng a copy of the final EIA have any questions, please call John Huddleson at (916) If �22Y9870. Mel Holland Assistant-, Chief Attachment cc: California Regional, 'Water Quall,,ty Control Board, Central Valley Region Attn Tony Landis ,, ., 3201 S Street Sacramento, CA 95t;,116 y 1 State of Caiifcrnlev The Resourtes Agency Me m arandu To t 1. Jim Burns, Projects Coordinator bot*. September 6, 1979 Resources Agency 2. Earl D. Nelson, Director ,Butte County Environmental Review Department county Center Drive Oroville, Californ..:%ca 95965 - From t beparttnent• of Fish and Gatno Subject:SCH 79082105, Draft EIR Madre De Oro Subdivision, Butte County The Department of Fish and Game has, reviewed the "sub j edt Draft EIR anc+ has the following comments: • The impacts of the proposed prioject on fish and wildlife are not adequately discussed. our review of the project indicates that the impacts will be significant and will cause a reduction In populations of many opecies. As the impacts on fish and wildlife are not adequately discussed, we also find the EIR fails to discuss•,meat ures to mitigate impactsF on fish and wildlife. The Department recommends that the EIR be revised to adequately evaluate the project's impacts and that the following mitigation measures be implemented at the minimum: 1. A 100 --foot no building or development setback along Kunkle Creek: 2. Creation of an open space area in the botanical sensitivity 'area.identified in Appendix C. 3 Minimum removal of native plant species during development. Trees over 8 -inch base diameter should not be removed. Director 1, r . Mr. dames W. Burns tf Butte County 3 The final documentshould also, note and address the issue of percolation rates. Except in very Large lots, a percolation rate of one inch in 120 minutes is only half of the ,aeceptable rate stated in regional Board Guidelines._ We would appreciate receiving a copy of the final E1R, if you have any questions, please call John Huddleson at (916) 322-X9$70. d Mel holland Assistant Chief Attachment cra : California Regional Fater Quality Control Board, ventral Valley Region,.' Attn: Tony Landis 3201 S Street Sacramento, CA 95816 ., r ,arcYv,rw ea'etl�tt7rTl1t9 onr kesoul'Ce� v►�anc�r` . jtlrlemoresndu To 1 1. J,Wes W. Burns, Assistant Secretary, Date i � - for. Resources SEP 2 1 File No.1 2. Mr., Earl D. Nelson, Director Butte County Environsental Subject: SCH 79082105 EiR, Review Department Madre De Oro Subdivie,ion 18--E County .Center Drive Orovil..,Le, 0d 95965' From : Department of Water Resources We have reviewed the subject report which was transmitted by the State Clearinghouse Notice of Intent,, dated August 18, 1979, and have the following comments and recommendations. r, P age ;14: We question the amount of peat, up to a foot of depth; indicated as the surface soil material for all seven a3tes. if Chis is true, the vegetation should be that associated with swamp conditions. Figure Q' indicates the vegetation found in the area is that which is representative of the Sierra Foothills ---- grass, oak, and chaparral.. Page_38„ Table.2: The table gives percolation rates at various soil. depths. The higher rates. given for some of Y.he deeper depths -xe not applicable to $ leach field of the latera, type drains. We note also that: the percolation rates for some of the sites are not indicated. Caution should be taken to assure that each lot has adequate ieach field. The project does not consider `water conoervation measures to mitigate the, impacts from increasing the wafter supply. To delay the dateat whim existing supplies must be augmented, acid to more 'fficiently utilize present water resources, it is et .oingly recommended that viater "cr' .'i mpt.ion be 'reduced by at least 15 percent. To reduce `water demand the fol_l.owing water conservation measurer should be implemented.. 1. Low -flush toilets (See Section 17921.3 of the Real.th and Safety 114de). 2. Low -»flow shavers anis faucets (See Calif. Admin. Code, 'title 24, Vart 6 Article 1, 3. Insulation of hot vatetr lines (California Energy Coum�t ssion regulatibns) 4. Landsray., with low water -consuming plants which are also fire tet:ardant. 5. Fini :l.ie use of lawn by limiting it to Lawn dependent uses, such as playing fields. Jamed W. Burns/Earl D. Nelson Page 2 2, 6. Use mulch extt si°vely in all landscaped areas. Mulch applied on top of soil will improve the water -holding capacity of the soil by reducing evaporation and soil compaction. �. 7. Preserve and protect existing trees and shrubs. Established plants are often adapted to low water conditions and them use saves water needed to establish replacement vegetation. S. Install efficient irrigation systems which minimize runoff and evaporation, and maximize the water which will reach tkj, plant roots. Drip irrigation.0 soil moisture sensors and automatic irrIgati.on systems are a few methods of increasing irr'igati.o&efficcj,�ncy. s 9. Use pervious -paving material whenever feasible to reduce surface water runo£f and aid in ground, water recharge. l0.' Investigate the feasibility of utilizing reclaimed waste water, stored rainwater, or household gray water for irrigation. Il. Flood plains and aquifer recharge areas which dre-'the best sites for ground water -recharge should 'be preserved as open space. To successfully implement the exterior watet conservation measures we recommend that. water -conserving landscapes bt, a condition of approval; for the project. For a Iist of water conserving and fire retardant plants, and other water conservation information, contaet Myra 'Williams at (91.6) " 322-3071. Thank you for the opportunity to comment, r Ronald B. Robie Director (916) 445-658 L x ilNGiIOUSE COr114EN`r COhSISTEHCY GUIDE STATE CI -EAI - MADRE DE' ORO Date licant BRE(TER-HARItISON INC= F Pro�ectAPP BUTTE COUNTY 790aZ105 I. and Title p1 I ZON t3o Date Requested scit - royal CondLt ons,: ales . `--sal �In. Yes NO �7i11 Re F+pP Request Copy a€ r.0 Recommendation ------ .Will eq Significant Issue a The final EIR should disuss any Del,artment HOP' from the tt AT R CON AMT ATION requirements riona �B and Guidlines GTtOUND_ use of the Reg conju action WRCB for Lard Development in with Bute. ].so betme�tionedcthat- It should Q wired below five: feet of soil is r�g the septic tank invert. s should be addressed. Percolation rate SH WILDLIFE IMPACTS; NOT, ADEQUATELY KvInkle Creek, FI SIGNIFICANT ENOUGH, TO IOO--foot. easement along F'ISII &GAME DISCUSSED: AND ARE open space area Y ;SPECIES; ALSO, the.. creation °f an P REDUCE POPILATIONB©F native plants during within botanical sensitivity area, and EIR DOES NOT DISCUS MITIGATION�iEASLIRES minimal removal of treys with m construction phase.SO� an -eig ht -inch base diameter should not be removed. A wastd 'discharge must be submitted- e - WkSTE' �- a of sewage DISPOSAL SYSTEM PROBLEMS, th6 S*, RCB for the d scYea_g stems. E tic tank-leachfield sy SWRCB-CTRit, ISC$ARGE' INTO KtTI�IhLE RESERVOIR to sep. VLY %FGI 7-7 tlotea' and Comments* - STATE OF CAIIFORNIA—RESOURCES AGENCY EDMUND G.,.AROWN JR., coreRNoR CALIFORNIA REGIONAL ,11NATER QUALITY ,CONTROL BOARD— CENTRAL 'VALLEY MGM 3101 S STREET' SACP.' MEN70. CALIFORNIA 93816 PHOM (916) 44S4270 2O September 1979 i Geddisv Driscoll & Associates Inc. 463 Oro Dam Blvd., Suite M Oroville, CA 95965 MADRE"DE ORO 170 LOT SUBDIVISION, BUTTE COUNTY We have reviewed the informati'oh submitted by Butte County and your office for this 170 lot development. Your data shows that there are areas in this development with extremely fast and slow percolation rates, seasonal high groundwater and surfacing seepage, steep slopes and shallow soils directly above a water supply reservoir. On 23 February 1979 Lynn Vanhart, Larry Pearson and I walked over part of the site and observed many of these individ ual sewage disposal system problem areas. Since this is a large development with direct drainage to Kunkle Reservoir., a report of waste discharge must be suhMitted to this office for the discharge of .sewage to septic tank-leachfie'id system!si The Regional Board Guidelines and Butte County Subdivision ordinance will be used to evaluate sewage dis- posal for the development on a lot by lot basis. Enclosed are instructions for completing the report of waste discharge together` wi;h the necessary forms- and filing fee schedule. When We receive the cotta- pleted report with all additional information, we Will formulate waste discharge requirements for the discharge. The report cannot be considered complete until all provisions of the California Environmental Quality Act are met. If you have any questions, please contact me at (915) 322-1592: ANTHONY J. LAND -IS Area Engineer Sacramento Watershed A,JL/cis RECEIv Enclosure dtbm5, MsCoLL & A5sodATES cc. SWRCB, Div, of Planning & Research SEP 2 11979 Butte County Planning Dept. 'utte County Health Dept. ;,,.DRD Butte County Environmental Review INSTRUCTIONS POR CGMPLE TINGREPORT OF WASTE DISCHARGE AV GENERAL INSTRUCTIONS Filing of a waste discharge report and submission of a filing feeds mandatory under. Section 13260 of the Water Code by (a) Any person who has not previously filed a report and is discharging or proposes to discharge waste, other thaninto a community sewer system, or O Any person dischar ing waste who proposesArticle 3 al, the change ine. character, location, or b g volume of the discharge, as defined In California Administrative Code: Wa$te Discharge Report Form WRCB 200 provides initial notice to the regional board of a waste discharge. In most Instances, additional pp e " " y return it with required Information Will he required and should be submitted on 8i/z x I1 paper. Please complete the enclosed form and Attachments and the filing fee to thea topriate regional board. Make check payable to State Water Resources Control Board. The regiohal board will advise you of any additional information that may be required to complete the waste discharge report,, copies of the completed report form and its attachments are required. The effective data Of the report do waste discharge is the date when all required Information and the fee are received by thio regional board. You will be notified of this effective date. if you have any questions on the completion of Form WRCB 200 cr the following instrUct(ons, please `contact the apprepilata regional board for assistance. SPECIFIC INSTRUCTIONS A. REPORT FROM: Name Name of owner or owners of the facility such as industry, community treatment plant and/or sewage system. it owned by ono party, and leased to or operated by another party, give complete details in an attachment. Mailing Address Give both mailing address and street address, If different, Include Zip Cade Telephone Number (Include area code and ex+ ton number) 13. DESCRIPTION, 1. 'WASTL DISCHARGE -- Check one or more appropriate items, 1. NeW discharger A discharge that is proposed but does not now exist. 2. ExlstIng discharge; Discharge It currently in Operation but duce not have requirements. 3. Increase In quantity of discharge; " Discharge quantity introased or Is propo?.ed to Increase above 25% of the volume specifled In existing iequireinents; or less If such an increase, in your opinion, might have a significant impact on the quality of the receiving waters or disposal area. Final determination of whether the reported Increase in volume Would have a signiflcant effect on receiving waters will be made by the regional board. 4. Change In character of Waster A material change in eliw:tleristics of the waste from existing discharge requirements is defined in the AdministratiVe Code as "The addition of a major IhAlttr,al waste discharge Ada discharge essentially domettle tdwage, or the addltion of a hew product by an industrial facility resulting in a change in the character Of the, .iaste.'r S. Change in place or method of disposal; A material change from existing waste dist:harge requirhmehts Is deflned in the Administrative Code as S,ig niticant change in disposal methods, e.g., charige from a land disposal to a direct disposal to water, of change in the method of treatment which would significantly alter the waste discharge chatacteristicsk" "Significant change in the disposal area, e.g,, moving the discharge to another drainage area, to a different water bodyo or to A disposal area significantly temoyed from the original area, causing different Water quality or nuisance effects." "AMOUNT OF FILING FEES' Use flow or units repotted In Item b of Form WRCB 200 and the appropriate class schedule A, B, tat, 02j'63, or C of the Filing Fee Schedule (as shown In the enclosed Admlhis(tative Code) to calculate amount of filing fed. Make check payable d.' STATE WATER RESOURCES CONTROL BOARbo and milli together with report of waste discharge, to ttie appropriate regional board. No report can be accepted Without the tee, wRCo Forn1201(1-77) (oven ■ L� a f tl, EXACT LOCATION OF POINT OF DISPOSAL.- MAP ISPOSAL-: + be to a state adequate to show locatio recisely.. Use of a portion of a USES (�uadrangle map Is recomirended. Viap or sketch should n p Ill. WASTE TREATMENT OR DiSPOSAL. FRCIt-iTtE5 . Check appropriate item and describe treatment or disposal facilities piojhrsed or now In use. Use self-explanatory, -attachment, if needed. 9 and 2 are 3. Other: Describe nature, of work not meeting criteria of ) .and 20 C TYPE OF WASTE DISCHARGE 1. `Sewage only means wastes associated with human habitation or of human or animal origin from resGdences, commercial restaurants, schools, and similar establishments, estobllshments' 2. industrial wastes only means haste substances; liquid, solid gaseous or radioactive from an g, p operation. ' g . Y Producing, manufacturing, rx rocosaln( 3. Mjra wastes means a mixture of sewage and industrial wastes as defined above. 4. Sol as es — Describe the type of solid waste in detail such t!z; household and commercial refuse, Specific Indus trial. wastes semi-solid wastes such as sludge, animal wastes, etc. 5. Cattle wastes means wastes from confinedholding of feeding areas. 6. Soil, silt. clay, etc„ from grading, road construction, dtainageworks construction and other land devolopmentoperations which will . disturb the soil and result in drainage or storm Describe the bueration and the waste.runoff carrying soil, Silt, clay, sand, and other organic and earthen materials. 7, Othef astes — er stes are those not described In I — 6 above and are hot I RGn wwastes oth inwaand Other construe on -oriented wastes. Describeiwaste andtits Source. In IIn ed to: sawdust, gravel, R r Bg $i D. QUANTITY OF WASTES 1. •"resent: NOw -. Flow through existing plant lil rn,t.rc:; g ;1lons per day. 2, Design flow — Based on treatment design flow in million gallons per day of proposed "plant (not Maximum hydraulic capacity). 3, Present population }- Population being sewed by present plant, human or animal. 4. Design popuiation Population on which pruposed plant design is based, human or animal. 5. Solid Wasto disposal site Total capacity of site 'n cubic yards. 6. Area In which soil will be disturbed — Total area of field, tract, subdivision, etc., In which grading, toad constniction, or dreinage works operations will be conducted. OF WATcR SUPPLY (This is the water that contributes to or transports the wr.ste.) v,r L Rttrnicipai or Utility Service Give name and address of the Water purveyor. if 1 is checked, 'Whot check 2 or 3, i. "r Wig floc! Welts -- Those hot part of a municipal or utility service. 3 (a) Name of stream, lake, spring, etc,, It named. (b) and (") Type of Water Rights Check appropriate item. If a State permit or license has been granted, give idehtilication number. F. ENVIRONMENTAL IMPACT REPORT Self-explanatory. ' 'WAS e E DISCHARGE REPORT FILING—FEES d (Pursuant to Water Code Section 13260(d) and California Adminisiraflt+e Codd' Title 23',. Section 2200 2200. FILING EEE SCHEDULE. Each report of a Waste discharge=or of a material change in a waste A-lschatge tiled With a Rdglunal Water Quality ControlHoard puteuant".to Seetiott 13260 of the Watdr Code shalk be accompanied by a filing fee in aebotdancq with the following schedule'. NOTE: Filing fee wtii be returned if filing of report of Waste discharge is waivod pursuant to Water Code spotion .132tt9. No credit will, be given for filing fees paid for previously submitted reports of Waste discharge for vi}I 0 ,Waste discharger requirements and/or NPDES permits have been issued. Fees, are, to be 0alrulated on the basis of the total flow, volume, number of animals, or srea involved. ' TYPE OF WASTE DISCHARGE AND DESCRIPTION UNITS-fI FEES ,DOMESTICand.MUNWIPAL:.. - Sewage or mixture of pzedominately LESS THAN Prtom 0"01 mgd GR sewage and other Wastes from distracts, tAmt TARN n7 0.0,i mgd TO X00 m d 3.00 municipalities, communities, hospitals, mgd-----.-. schools and pubic sly or privately owned DESIGNFLOW `$10Q $ aO ' � 1000 systems (excluding Individual subsurface x Q }97 $ leaching systems disposing of less than 1,000 gallons per day). INDUSTRIAr mad�� ' LESS TITAN 0.10 mgd Greater Twin Liquid or aster thom aqy DESIGN FTZOW or 0' 10 mgd to .L00 mgd L.00 mgd servic.-th$ ranufacturing or MAIhiUM FA,E of processin whatever nature, $100 $1000 k $1000 ihcludini; I washing, DISIrAtAROt flaw in mgd gcotherma tits, " "Ash hatcheries, air d6fiditiG,. Y,9, shill building and re airinl oU 'raductiontstorage and FLOW NOT SUSCEPTIBLE TOdiporaoperations,Witerwellpum pumping. MSAStt ESTIMATE $250 7 LESS THAN 10.500 Greater Than 10 Acres Acres 500 Actes lYastes wTF;RIAi,S: c'b�. dining eattlrih Materials AGiRES Including soli, clay,.0,4, ant, sand from AltEA IN W: iCH SOIL any soildisturbingactivity such Ks WILL 0V nIS'TUILI3ED $20 $2/Aero $1000 grading and Movement of 06 th, road construction and development, logging, opeeati ,1s, dry quarrying, DR1LLtNG A14D EXPLORATORY Y MINING 01'ERATIOIIS CLASS 1 SITE: No limitations 1b to salute of Nmmte handied. CLASS It SITE: Ordinary household and commercial. tefuse and u xt decomposable orgahic material. CLASS III SITE: NonWatetolublc, nohdecomposahle $25 for all exploratory operations within n.AMU3 OF a zone having a radius of one mile OPERATION or less. $50 for all operations withli a Zone haling A radius groatee than one ani lel ALL QUANTITIE,"i $1000 btstON 'VOLUME OF SITE IN CUBIC YARDS A/ FEES ARP- 4OUNIM) Ole V TO THE N�;Ail -,8 r IiOLLAIL mgd = milhons gallons per day DE51CIIf FLOW (mgdj 4 Under 25 000 4a,uuu•- 600,000 Over 600,000 Cublo wards Cublc yards Cubic katds $50 thousands of 0000 cubi'd Yards . ublo Yards Over 50 b00 Cubic iCards X50 4Inn TYPE of WAS` t DISCHARGE r - '� r and nESCRIPTION iJN! TS` FEES UNDER 26,000 26,000 -; 600,006 OVER 600,000 DREDGING: CONIC YARDS CU131C YARDS CUBIC YARDS DREDGING OPERATIONS WITH SPOILS QUANTITY OF 100 DISPOS\L1 SUCH AS NAVIGATIONAL MATERIAL TO DRE.DOING, MARINA DEVELOPMENT BE DREDGED $100 ('0.8 x thousands. $1000 ARID STREAM SED MODIFICATION' of cubic .yards) UNDER 506 G00 - `6000 - OVER 5000 PRODUCT DREDGING OPERATIONS MAXIWM DAILY TONS/DAY TONS/DAY TONVOAX SUCH AS SAND GRAVEL OR MINERAL 'PRODUCTION RATE REMOVAL $100 $ViV it yanb'' k CONFINED ANIMAL FVXDING OPEPLATIONS: FLOW-THRU DRINKING. TROUGHS VFITH No a'ROCESG WASTE WATER FLAT FEE PROCESS' WASTES FROM CONFINED HOLDING, OR FEEDING AiXEAS; SLAUGHTZK and NO OF HEAD FEWER THAN 10,000 BEAD MORE THAN 10,000 11EAD FEEDER CATTLE (DESIGN CAPACITY) $50 $100 NO. OF HEAD FEWER THt,N 500 HEAD MORE TITAN 500 'HEAD DAIRY (DESIGN CAPACITY) $50 $100 NO. OF HEAD FEWER THAN ],000 HEAD MORE THAN 1,000 HEAD SWINE (DESIGN CAPACITY) $50 $.100 NO. OF HEAD FEWER -tAN 7,660 HEAD MORE THAN 7,000 HEAD' SHEEP (DESIGN CAPACITY) $50 $100 NO. OF HEAD FEWER THAN 200 HEAD MORE THAN 200 •HE,AD' COATS (DESIGN CAPACITY) $50 $100 NO. OF aEAb FEWER THAN 00 HEAD MORE THAN 500 HEAD HORSES (DESIGN CAPACITY) $50 $1o0 ~_ NO. or BIRDS FEWER THAN 30,000 BIRDS MORE THAN 30,000 BIRDS TUF:KEYS (DESIGN CAPACIT'Y'i $50 $lob NO. OF BIRDS FEWER THAN 60,000 BIRDS MORE THAN 601000 BIRDS CHICKENS (AE$m CAPACITY) , $50 $goo NO. OF 911"D5 ME t THAN 6,000 BIRDS MORE THAN 6,6PD BIRDS DUCKS (DESIGN CAPACITY) $50 $100 IRRIGATION' RETURN WATERS'. FLAY FEE $215 Dlschargers who discharge no h1bro that! 50t000 gatllnns pet calendar day of coollog water, watar W611 start -yup or other water which contalns nilly Ms gnildlcaht amounts of pollutants and ho toxic ►materials, 011 be subject to a $8M filing fedi. C7 STATE OF CALIFORNIA 7NE RESOURCCS AGENCY OF CALIFORNIA CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD • REPORT OF WASTE pISCNARGE FOR USE OF REGIONAL 130ARD Puruwnt to Division 7 of the Stale Water Code 1' WRCB Form 200 ReC'dr (A) REPORT FROW1: Duty Few Olschotler ------- L.ettif to (Owner of FAClelty, Municipality, County, Dlttlict, Firm at Individual) Discharger: klaliln¢.Address Neport Reed,_._ Zip Coder Effective Data: Telephone No. , Karoo of Fliclllty ®) -DESCRIPTION: I. WASTE DISCHARGE: (check) 1. NowdlscMerfd- 3. 'Ineroase in 9usntity of disehar¢e_..��.._-«rte_ 4. Change irtcharoeterof S. Change In place or method of dispossl-,----- -» ( ') 11. LOCATION OF POINT OF DISPOSAL Off OPERATION (dasetlbe and aitach mhp, sketch or locate On USGS C)uadrangle MAP- 745 rnlnute series.) Llai distances or bearing and distance from section lamer or quarter comer, Section, Townshlp,, Range and Base and Meddiarl t III. WASTE t'REA1MENT OR DISPOSAL FACILITIES: (chuck) 1a Construction of entirely new: faellitles.:.--------- ( ) 3. Enlargement olaxtsting lacflitles. _..-.. ��-»---�- ( } 3. Other (explain) (CI TYPE OF WASTE DISCHARGE' (elieck) % 2. Irdusitial wastas only.... — --.- -----•-'( ) 3. Mixed sewage and industribi wastes . -- - ------ l ) (0) RUA,1. Present or pfop A,.Seildwastes- .._.-.�-w-��:--:----__-----(' ) 1, Present or proposedllow(Inmgd) ---� 7., Oeslkn flow (In mgd) ---' 3. Present population _ ,._ S. Cattle wastes_'_.. ..:+. -.- ----- ( ) A. baslgn population 6. SO, $lit;clay, etCr.-:.«.---.---- 54 Solid waste disposal site 'Cin cubit yards) b, )Arco In V4110 1611 will be disturbed 74 Otterwastasw.._....—_.----,.-:.--- ) lin acres), , (E) SOUROE OF WATER SUPPLY: 1. Municipal or utility: service( 2. Individual wells 5. Surface supply, (e) Name of Sttsom (b) Typo of Water Rights: Rlpatlan ( ) Approlulation f (C) water'Rlghts Pehnit or License Humber - (F) Er(vil ONMENTAt_ IMPA6i" REPORT WIR); L;, Has an EIR been prepared for this prbject? Yes ( ) No ( ) . 11 yes, Tease: enclose a COP)'' _3. If no, will an CIA tr. prep2rteOl Yes ( ) No ( ) 4, If yes, whn will ptepate tilt EIR? a r AND ARE A1.1.Op' 1'NE 5TlITEMCNTS CONTAINED HEREIN ARE TRt1E AND COftRECT TO THE BEST OF MY Iff10YlLlr,D01: AND 4CLI;. WatdITTED UNDER PENALTY OF PERJURY. SIGNAYORE OF AUTNORMD PERSON 'Title (Manager, Clock. Enginolri, COn3,Qtanl, etc.) Date - You will be notified of the 1:6009tn0i of filing tee and sutxiilltal rf any additional Infotmetion deemed hoceithiy to complete yout Report of Waste D)schsrg2 pursuapt to Division T, Section 1*0 of the State Walet Cedel WIiC9 Fbitf.t 2l>d ItJEV. 7 7%1/fIl) 1 CALIFORNIA,REGIONAL HATER QUALITY CONTROL BOARD CENTRAL VALLEY REGION INFORMATION NEEDS FOR WASTE*D'SPOSAL FROM LAND DEVELOPMENTS SITE EVALUATION 1 Describe and trap location of percolation tests (USPHSManual Method). 2. Describe ;oil profile and map location of test holes (8 meet minimum depth). 3. Define local ;geological hazards related towaste disposal (fractured rock, sand and gravel stratas, impervious layers., etc.). 4 Map existing slopes and proposed cut and fill banks, 5. Discuss depth and direction of movement of seasonal high groundwater and other underlying groundwater:. 6. Map location of marshy 'areas, springs and areas of poor drainage. 7. Discuss annual precipitation and flood hazards. 8• Map location on all existing and Proposed wells within 100 feet of the waste disposal area. y. Map location of all drainage courses and waterways. WASTE b'ISPt?�aL 1 Submit design of wastewater disposal system.. 6�ow toe,06nCA 2. Identify characteristics of wastes other than sewage. 3. Describe operation and maintenance procedures for the waste disposal system and responsible party (individual, public entity, hoMeowneri association, etc.). 4. Submit a storm drainage and erosion control plan. Im a r SUMMARY of FINAL 'ENVIRONMENT�IL fMPACT %EPORT The Draft Environmeiltal Impact Report for the proposed Madre de Oro Subdivision was submitted in May 1979, Appropriate agencies have commented and, those comments and responses addressed to them ate incorporated in this, Final Environmental. Impact Report.. The proposed project .is the subdividing of approximately 392 acres in Butte County, California. The project site is about four miles south of the community of Paradise. The subdivision world, result in the formation of 170 lots ranging in size from appro-ximately 1 acre. to 7 acres. It is anticipated that one single-family dwelling will be erected on each lot. Using the population density for the Paradise area of 2.3 person's per household as indicated in the Butte County General. Plan, 170 single-family residences represents a potential subdivision population of approxi- mately 390 persons. The follow .no are Potentially significant' environmental impacts of the proposed project as identified in Chapter 10 Appendix Et by the Butte County Itnvironmental Review Department and in Chapter Ir by other commenting agencies: Ditplacementt disruptionso OA' overcovering of soils. increase in wind or water erosion of soils Ilx�l rl Change,in topography or ground surface relief features. Need for on-site surface drainage facilities including channelization or culvert installation. Change. in the quantity or quality of groundwa'ters, or surface water through direct additions by wastewater treatment systems or direct with- drawals by wells., Exposure of persons to safety hazards due to potential seismic activity. Loss of vegetation or change in the diversity of spec -es of plants (including trees, shrubs, grass, crops, microflora, and aquatic plants). Reduction of the numbers of any unique, rare, or endangered species of plants or animals. Construction of barriers to the migration or movement of _animals.. . Reduction of j encroachment on, or deterioration ofo existing fish or wildlife habitat. Generation of unacceptable levels of noise, light, or glare. W Generation of substantial additional vehicular movement and the incumbent circulation and safety problems, Potential degrae''itiun of local or ambient air quality. xlx- Potential degradation or alteration of archaeologicalf histori,alr or aesthetic sites or artifacts. Substantial need for new or altered services from government such as fire and police protection and public school facilities. Alteration in plannedor current land use, Substantial need for new or altered servicep of private utility facilities. Significant population sift or change of population character. Increased consumption of natural resources. Increased danger of wild fires. "Where exists to potentially adverse environmental impact of the proposed project which cannot be mitigated: it would be appropriate: that mitigation measures which may be applied to the project be imposed in two phases; . Mitigation to be required prior to project construction. . Mit-igation to be applied as continuing practices; Mitigation which should be required prior to project construction includes the following The final road plan should be designed to minimize cut -and --fill quanti,tes required. IIT-:► r f� A final drainage plan should be designed to pr:vide drainage 'capacity in accordance with Butte County sf a'adards An erosion 'control plan should be designed to mxn' imine erosio'h and su e bsequent deposition in Kunkle Creek r aiad Runkle Reservoir as a result of the project. The proponent should plan, in convection with r Lime Saddle It' rigation District, for development of additional domestic water supply to supplement that which is now available., An on-site geologic' survey and evaluation of the seismic activity potential of the site should be determined. Attempts should be made to develop adequate Umergency egress from the site to assure fire safety, life the project should be regarded as ongoing for the Mitigation which should p of includes: i Construction should be restricted to late sp'ing summer+ and faSl when erosion potential is low and soils can be otabilixed prior to winter rains. Removal of mature stands of vegetation Should be controlled. For instance; removal of trees other than those removed for approved construction activities might be limited to those with a base diameter of Less than 8 inches. ti Fire breaks or other,,prevention measures should be established in conjunction with the California Division of For6stry. ; Homesites should be selected to retain-the maximum natural topography of each lot, therefore minimizin cut. and-fill _ g quantities required. , Developer should be required to prepare and submit to the. -County Health Department plans prepared by an engineer or registered sanitarian ~,�a.alified in the field of wastewater treatment and disposal for installation of individual on-site systems. ,Such detailed site-specific plans should be submitted prior to recordation, of .final i4ap to assure that systems are designed and constructed in a manner that 'will meet the water quality objectives of the County Health Department and the Regional water Quality'Control Bpard. A 100-foot "no-building" or development-setback along Kunkle Creek should be established as recommended by the California'Department of Fish and Game. Creation of a volunteer fire company to augment manpower requirements of the California Division of Forestry in the event of a wild fire in the proXi 11 ty of the proposed project should be considered Sp,CT104 i BUTTE COUNTY ENVIRONMENTAL REVIEW DEPARTMENT CHECKLIST in the interest of time and of efficiency, the -proponent submitted the Draft ETR with the tentative parcel map in May 1979. After review of the Draft EIR.'and the :map, the Butte Cdunty Environmental Review Department Prepared an Ehvitohmentai checklist Form Uipendix. P,, Draft EIR) indicating Potential impacts of the proposed project., In this soctiont each of the potential impacts identified by the Department Will be addressed using the format of tb-7A checklist. In most cases, detailed discussion is ;tr04;-y I contained in the Draft BIR: (1) Under the general heading, Earth, the Department identified the following potential environmental impacEs: Disruptions, displacemehtsi Compaction, or river -covering of the -soil. Change in topography or ground surface relief fOattteg or removal of topsoil:, Increase in wind or Water erosion of sojlsj either on or off the site. Changes in deposition or erosion of beach sands# Or changes in giltatiohk deposition, or erosion ,which may modify the channel of a river or stream or the bed of the ocean or any bay, inlet, or lake. rxposupe of people ori property to geologic hazards such as,earthquakes, landslides, mudslides, ground faalure, or similar hazards. The Bt?,bdividing,r improvements, and subsequent construction ore homes on any propetty necessitate, the "movement and probable loss of some native soil. The movement of heavy ma=Mhinery over earth Causes somecompactionand alteration due to dust gerprat -` , , , Further, native vegetation will be disturbed and.an increase in erosion and an alteration of the runoff pattern will probably occur. The proximity of the project to Kunkle Creek and Kunkle Reservoir and the Feather River will increase the probability of sedimentation occurring in these watercourses. The following are proposed environmental protection measures.- The easures.The final road °plan should be designed to minimize cut -and -fill quantities required. A final drainage plan should be designed to provide drainage capacity, both on-- end off-site, in accordance with M ;te County standards. 'in addition, i.ndl"VAdual builders should be. required to adhere to the following qualifications: Construction be restricted to Late spring and summer when erosion. potential: is low and conditions for revegetation are optimal. Limiting removal of mature stands of trees and vegetation including prohi.bitihq removal of trees not necessitate*I for approved construction (see comments to Draft QTR by California Department of Fish and Game following in thi"s chapter) I VE- 8, cut-and-fill quantities. required. The proposed project is identified by the Butte County Environmental Revie-V_Department as being located in an area of potential seismic activity. Therefore, it would be appropriate that an on-site survey for potential hazards dare to seismic activ,tV, be conducted. (2) Under the general heading,, Airy the Department has identified the following potential environmental_ impacts,; , substantial deterioration of ambient or local air: 'luality. Significant alteration of air movement, moisture or temperature, o'x any change in climate, either locally or, regionaly, An empirical examination indicates that the maJor contri vuf.ion to deterioration of air quality in the area of the proposed project is traffic on Pentz-Magalia Highway. Th-re.are no significant anthropogenic sources of air pollution in the ares, There will be a contribution to air quayty degradation locally due to: increased traffic. No mitigation beyond adherence to California Air Resources Control. Board emission standards for automobiles is recommended, (8), Under the general heading, Water, the Department has identified the following potential environmental impacts: Changes in absorption rates; drainage pattern's, or the rate :and amount of surface water runoff. Discharge into, stirfAcla watetso or in Any alteration of surf ace, wateir quality, iricludin 9 but hot'limit0d to, t6mpdrAtutd, dissolved oxygen,,Or, turbidity. Change in the'�uantity or quality of gtoundwaters, either thro'ugh direct additions or withdrawals, or through interception of an aquifer bybuts,or 'excavations. Surface Water: The use of larqe.--!Nr6as of impervious materials'E07ir homesite construction and roadwa'ys may ,result in an, increase in runof f in -Kunkle Creek. Mar. B activities such as the use of chemicals and fertilizers will further alter the 'characteristics of the runoff. The on-site drainage plan discussed in the previous section should be adequate to act-omodate this additional runoff and therefore minilAze the effects on Kunkle Creek. To some extent, the amount of runoff permitted may also be minimize: by retaining natural vegetation and revegetating the disturbed areas as soon as possible. Furliher, individual builders should locate their homesite carefully to Minimize,soil disruption and help minimize runoff and therefore the adverse effects on surface waters. Groundwater: Effects on the quality or quantity of qtotftdwatbt in the area through direct withdrawals or additions 1.8 of concern. Studies conducted -in accordance with guidelines established'In tutte county ordir,*nce 601. and by the Department of Environmental Health indicate that the Soils of the area Will satisfactorily treat and dispose of wastewater. The qtbuft6wAtet resource in the area IS subject to qudsti,on. The proponent hat indicated his will"Ingnots to coordinate with the Lime Saddle 'Irrigation District, to Supplement the domestic water supply now available to serve the .district0s needs. A detailed analysis of the effects of t r r withdrawal on tJrPundwater can be made only r altesuIn ,.rr a, m study is complete It,:: is a PPropriate that the cevei.xp-- ,ment of parcels which-can be adequately by, ,. existing water' supplies not be -delayed, (Further; related discussion of water quality follows in fiQtsl�onsr.�s to Comments to; Draft EIR by the Bute County. Eng,-ixAsanmezrt l Health Department.) r (4) and Under the general, headings, P;y �, Life (5) enc Animal. Life,; the Department has, identified' the fal7 wing poten ti:;al environmental impactso Loss of' vegetation or change in the diversity of species or number of any species ecies �of t; l,ants (including trees, shrubs, grass, crops, mcro`lora, and aquatic plants), Rdduction in the numbers of any unique, rare or endangered species of plants. Change in the diversity of species, or, numbers Of any species of animals (birds, land an�ma;i including reptiles, -Fish and shellfish, benthic organisms, insects, or microauna) Reduction of the numbersof any unique, rarer or endangered species of animals. Aeduction of, encroachment on, or deterioration of, existing fish or wildlife habitat. Any development of the scoPe of the proposed project it expected to exert an effect on the wildlife Of the area. It is anticipatedthat the construction activiLy, itself and the subsequent activities of man would result: in the relocation of wjldlif presently utilizing the area. 11��11 This matiY =p2"scan°� and w �. ,a,minor disturbance due to- relai-, vit�ly"abcb$s ble. Asim lad habitats: However,' any reloc atiorwi31 result in increased competition Among species in the receiving habitat's and therefore may result the reduction of numbers of some species. zn additjon, the construdtion activity will result in the destruction of some vegetation. Pomesti,C animals. introducer to the,area as a resttilt of this project may advi: hely affect wildlife populations, but there r exists ho practical, readily i.mposable mitigation for such an impact Phe lot sizes Proposed for the project will tend to d:i.:-r;couta,ge continued use of the area as habitat ror local deeron o ulation. In additi _ P P ► the proposed project i, �4 located on the per. ipl. ,.ry of the migratory deer range and as such may impact these animals adversely, Under the ;general heading, Noise, the Department has (6) x,dentiaiec bhe following potential environmental, impacts :Cr `reasus in noise levels. tXPusu,re of people to severe noise l�;trels. The construction activities and traffic in the project and on Pehtt--Magalia ALIghway will generate noise. However, With mi.11i:trf"P1 lot sizes of one acre, it is expected that builders vi ".1 be able to locate homesites tominimize the effect of v ,h..�z.ula.r ic noise: Alsoj builders will be able to utilize batural terrain and vegetation to act as sound barr,.ers. y,Lose sound barriers will also help prevent noise genoro+ted in the project site from impacting adjacent areas s+.ic h A.fi Nail Trails. (7) Under the general heading, dight and Glare, the Department has identified the following potential environmental impacts Potential to produce ti9 nif'icant light or glare„ The proposed project would pro duce increased levels of light and glare, However, due to the size of lots and characteristics, of the }terra.#, the effect upon adjacent areas may be slghi:, (8} Under theg eneral heading, Land Use,, the Department has identified the following patertz.al environment vtl impacts: Alteration of the planned land use of an area, car establish, a trendwhioh Will demonstrably le4.d to such alteration. Conflict, with uses on adjoining d` u 7 9 ProPertiesr or conflict with established recreational, educational religious, or scientific xses of an area.. The subdivision of the project site would result in a change of current land ruse. However, a dwelling density of one acre ar more per unit ;for the area is consistent with the County General Plan, The Pentz-Magalia Highway ' designated a Scenic Highway. T� in expected that the Parcel sizes are sufficient to permit construction of homes on those lots adjacent the highway without degrading the aesthetics qualities of the Lentz--Magalia, (9) Under the general heading, Natural. Resources, the Department has identified the following potential environimen.tal impacts► Demand fort or increase in, the rate of use The building of, homes and man's activities will result in consumption of some natural resources and the continuing use of resources in the form ofutilitiesand consumption of ;fuel. (ll) Under the general heading, population, the 1Depa,rtment has , identified the ,fallowing p6tential environmental \impacts_ , .An alteration of the location, distribution, dens ty, or growth ` h rate of the human population of an area or physically divide an established comatunity. The construction of 1.70 single-frut ly dwellings in a sparsely populated area of Butte County will result in the development ,Z a significant population center. Historically, according to the. General Plans much of Butte County's growth is people moving into the county. (This project- appears to be consistent with Butte County policy of r)roviding housing for new residents. (12) Under the general heading, Houi�Lny, the Department has identified the following potent;'al environmental impacts; Significant effect upon existing housing or creation of a demand for add14:1.onal housing The proposed project itself is the effect of housing demand and no further response is necessary. (13) Udder the general heading, Transportation and Gi,culation, the Department has identified the following potential envitonmental impacts a P upbn existing substantial impact, trahspqrtatiop,! system!s. Increase in traffic hazards to motor vehicles', bicyblists, or pedestrians The development of the -projec-1-- will result in an approxi- mate doubling of current traffic loads on the Pentz- M.1alia Highwayo Improvements to the highwayr-as possible mitigation is discussed in section 11 and in the following paragraphs. The increased loadand the types of traffic traveling this, highway should beconsiderer?. w,hen jmprove- ments are designed and approved; Some traffic hazards will be. encountered by the coft8trtctidn of one new access to the Pentz-Magalia Highway and the increatae,d volume of traffic through the Quail Trails .d , evelopment. Disctssioils with the Butte county Department of Land Development ir.dicate that project approval will be contingent upon the developer bonding improvements. to the section of Pontt-Magalia Highway adjacent the project up to County road standards. It may be appropriate to tequire bonding for similar imptovemen,tv, to the un=named Quail Trails toad although thtse imptoveiijsft,��8 may not be as detailed as those made to the highwayi, It is recommended that the egress from the a6velbpmeht be improved in conjuncticii with the California Department of Forestry and Butt -.o county Land Development Department to adequately handle emergency, situationtraffic loads, The California D'4partment Of Trdrisportation recommends that measures similar to the kollowing be, adopted when projects of the.type proposed are adjacent to highways: i Miniimiz;a light and- glhre problem's 'by e"li.m nating frontage koads or shielding the highway, traffic from them. ChanneIize' and ,direct on--s4te traffic to minimize highway ,access points. Locate access points on flat, stra .��ht stretches of highway to ina3Ygize visibility. The proposed project 111ap indicates that the project adheres. to these three principles. No further mitigation beyond adherence to safe driving and pedestrian rules is recommended. (19) (5) (l6) (15� Under the general heading of Public Services, Enercty,r Utilities,.and Solid..Waste, the Department has identified the following potential ev rironmez tal impacts: An effect upon, or result in, :a substantial ieed'for new or altered governmental services. Use of substantial amounts of fuel or energy: Substantial increase in demand upon existing sources of energy► or require the development Of new sources of energy, A need for new systems or substantial alterations to utilities: IST-�.6 yrutiEczaonj and domestic water and sewerage. Also some increased,_demandxon g6v6rnr:ent services may be realized. These items are more fully addressed in the + Draft Ein aid in section 2 of thiis chapter. _ yw s er,. (18 ) (19) b y 4 . J20) ani; ,, ;rchaeolo ical the of Ao8thetic, Recreation; nae5: �hG ,, eneral head � ' P' � follow F ,Potentiale De art�nen#: identified the enviran.mental, im a^ks. The obstruction of any public designated or, recocrnized scenic vista open to the public or the creation of an .aesthetically Off etsive site open to public view. An impact upon the quality or quantity . p P of existing public recreation facUities, An alteration of a significant archaeological at historical site, stricture, object, or building. An archaeological study has been conducted and is il'Cluded in the Draft 81R. Each of the identified historical and archaeological sites shoot, be marked to prevent, disruption 'during construction and the subsequent activities of man. Aesthet.cally,-because of large lot sizes and charad" teristics of terrain, the project is not expected to result in c .onstruction of an aesthetically objectionable landmark* It is expected that the population of the proposed project will utilize the recreational: facilities available in the_, OrovIlle and Patadi5e meas. lle Butts County General plan uidicates p bVidin adequate that r g recreatiolxal facili,t�.ea for citizen`s of butte County is of a.mportance: because of txse rel.at�vely large number .and :diversity of facilit;�:es avaitableo theimpact Of a popvlai-aon increase of 390 pdrs0hs is expected to he minor. , A 1 SECTION; RESPONSES TO T10 COMMENTS TO THE DRAFT EIR Pursuant to guidelines estGblished'by the California ExIvironmontal Quality Act, significant comments addressed to a�Draft EIR must be responded to in tie Final. EIR. In this section, each of the comments included in Chapter II.will be -addressed and information not available at the time of completion of the Draft EIR will be incorporated. Some comments are informational or factual in: nature and require no response. These comments are identified.and the reviewer should consider them, included in the Final EIR as they are stated by the commenting agency.To present this informati+bn in a consistent manner, the system of it identification used by the commenting agency will be used here. COMMENTS BY BUTTE COUNTY FIRE DEPARTMENT Section 25 Vegetation and Wildlife Information --ho xesponse beyond :mitigation measures previously, mentioned in the summary is required. Pection 2.7.4 Fire Protection Ynformation—no response beyond mitigation meastre - Previously mentioned in the summary -is required. xIx-18 0 �. Section 8.1.4 Env3itohmental!Impadt. Analysis Discussions with Butte County Battalion Chief. John Hawkins subsequeft to completion of the Draft'FIR indicate that response time to a structural fire or medical emergency in the 'proposed project would be approximately 7 to 9 minutes: Chief Hawkins indicated that, insl'tuati6ns of medical emergency when resuscitation is necessary; response time is regarded as inadequate. It Was further indicated dic ted that while the expected. to responses per year n a to a development the size, of the proposed project would ,not rePresent an unacceptable detand,upon services,, the cumulative impacts of each previoUsl-y approved demand on fire services in conjunction With the new development must be examined. The creation of a volunteer fire company to provide manpower to augment the California Division of Forestry ih, the event of a wild fire is a possible partial mitigation measure -i Section '3.2 Water, supply Alternatives Information—no response beyond mitigation measures previously mentioned in the summary is requited. Section 8.7 Traffic The Butte County Fire Department has expressed concern Lhat, in event of an emergency, egress from the development may not be sufficient to terve the proposed project and Quail Trails. There currently are planned two IoUi:es of egress from the project. 11 a giqhif'Lc.ant natural disaster, such as a fire, should impinge inge upon the proposed project, cutting off the access to the Bentz"Magalia Highway and evacuation were necessary; the existing egress thtbilqh Quail Trails may not adequately handle, the necessary traffic4 Because of the present relatively sparse population in ;r the areas this -may not,be regarded as a significant impact at this time. Howeverr it would be appropriate that the developer be required by the Butte ,County land Development Departmenttin conjunction with the California Division of Forestry to provide improved egress: This improved egress may be. in the form of unimproved emergency roads which could be cleared at several locations. The Division ;of Forestry Mould be in the position to, determine the;propriety,and best locations of such roads. Another potential mitigation would be to require that the Present Quail Trails road be improed to provide adequate capacity. The practicality of these alternatives would best be determined by,the Butte County band Development Department. Section 4.0 Disposition of Environmental Tnipacts Information --no response beyond mitigation measures previously mentioned in the summary is required. Traffic data for much of Butte County is not complete after 1977. Shortages in personnel in the Butte County Public Works Department have made it di:�Ijcujt to keep traffic data current it may be assumed that the traffic patI-erns in the area have increased since the end of the drought because of the heavily used aquatic sports facilities in the area, but little hard data exist. F Traffic counts on Pent2-Magalia Highway increased with the 1975 and 1977 monitorinc This is probably a 'f reflection,, the growth of the Oroville-Paradise area W as a residential and recreational center. Theaquatic sports facilities available in the Kunkle Reservoir and t he,Lime Saddle:Marina and those of the reatherf River -Lake Orov_ille area will no doubt continue to contribute to the traffic of the area. The proposed subdivision would contribute 1,360 ADT (using an estimated 8 vehicular trips per householdI per day). The pentz-Magalia Highway is considered to be of poor quality in the area of the proposed project. Conversa- tions with representatives of the Butt(-+, County Land Development department subsequent to completion of the Draft ETR indicate that the proponent will be required'to bond improvements and reconstruction (up to County road standards) of the reach of the Pentz-Magalia Highway adjacent to the project as a contingency for approval of the proposed project6 It is .assumed that the volume and the type of traffic will be considered when requirements for the improve- ment of Pent7-Magalia highway and the on-site roads are established. (3) (5) Water_ Quality (6) Protection of the quality of water in this area is the responsibility of the Central Valley Regional. Water Quality Control Board and the Butte County Environmental Health Department. The project proponent is required to conform to certain criteria established by the Water Quality Control. Board for discharge of wastewater as it affects both surface and gto.und waters including the effects on all beneficial uses. Furtherf the Water Quality Control Board has obligation to c.etermine thb of feces of the potential by= products of construction] such as erosion and sedimentation,. s:cs"2l on surface waters and subsequently set conditions to protect the quality of the waters. The California Regional Water Ouality'controi Board, Central Walley Region, has indicated in comments to the Draft. ETR that it will establish waste'dischar`ge requirements upon completion and acceptance of the Final EIR and the filing of the appropriate request by«the proponent (refer to Response to Comments of the, California; Regional Water Qualitycontrol Board, Central Valley Region) (4) Schools Information, which beca' me' available after completion of the Draft EIR indicates that all schools in the district are at near -capacity in all grade levels and there `are some grad�as beyond capacity« Discussions with represen- tatives of the Paradise School District indicate that both elementary schools are in double session for Grades 2 and 30 and Paradise High School will experience staggered sessions soon. xn addition, Grade I will.go to double session next year. Student -to -teacher ratio is mandated by union contract and is maintained readily due to the number of well qualified teachers avallable. However`; constraints of time and space will debormilhe the feasibility of expansion of some facilities. Discussions with school district officials indicate that no new facilities or services including transportation will be required to serve this particular project. However, the potenti.a'l cumulative impact of this project with others upon school services should be examined by appropriate agencies (7) Wildlife See respohse:s to comments by the State Department of Fish and Game and p'recedi4q responses to cormnents by Bob Baiocchi tinder the heading Water Quality. ZIT -22 (8) Project Scope Discuss ons with the 4eveloper indicate that the parceling of the acreage was carried odt based on.s'tUdies conducted for determine the feasibility of on-site wastewater treat- meat and disposal systems a.nd an investigation of the land use and zoning requirejftents of the Butte County General ,elan. 'Lot size's of cane acre minimum are .not con- sidered small And are consistent with the General;Plan. Over one-third .of the lots are larger- than two acres and almost 37 acres of ,potentially environmentally sensitive :Land have been setaside as opOn space. While Larger lot sizes were.-coneidered, the developer indicated that as a result of appropriate studies the current plan evolved as the most feasible project. COMMENTS BY BUTTE COUNTY ENVIRONMENTAL HEALTH soils Discussions with Lynn tranhart, Butte County Environmental: Health 'Department, subsequent to the c6rapl.etion of the Draft BIR and the comments of the Central. Valley'Regional. Water Quality Control Board to the Draft BIR indicate a concern that there may be limitations or, the ability of the soils of the proposed site to accommodate individual wastewater disposal systems, it is concluded, based upon percolation test data and soil surveys conducted in accordance with Butte County Ordinance 601. and County Health Departraef t guidelines, that the hyatbeoloq' d characteristics in the area of the proposed project twill prov$,de adequate treatment capabil,4.ty and. disposal capacity to permit use of individual, systems --provided such systems are properly designed recognizing the specific Site characteristics (refer to Section 3.4; Page 37 of the Draft EIR and the discussion ;in the subsegttent paragraphs). MSI-��3 r � � Wastewater Treatment Comprehensive etudies based 'on sc.�*. engnaerng practices and the recommendations of the Butte County Environmental Health' Departimdnt and butte County ordinance '601 Were conducted to evaluate the feasibility of 6h --site wastewater disposal systems for the project.Standards and recom- , mendations established by the Butte County Environmental +' Health Department a.nclbde e a permeable 8011: depth of at least Z feet ground dopes for the leach field site of less than 30 percent a percolation rate of 1 inch in � 1.2 0 minutes or les Based on the findings of these studies, the parcel was tentatively subdiirided to provide each lot adequate capacity for satisfactory filtration and percolation of Wastewater consistent With the requirements of the Butte County Environmental Health Department and the Butte County General Plan Rural development of the type proposed is in general.' Preferred to dense urbanization The use of large lot sizes encourages this type ori development by providing sufficient acreage for design and utilization of oft -site wastewater treatment facilities While the studies included in the Draft ETR 'Indidatu that carefully designed and constructed Individual on-site wastewater treatment systlt�ms will function ly, it is appr I opriate for county agencies satisf actori to requite that certain criteria be met to prdteci. the public health and sa2ety. Among these measures may be: Require 'developers to submit a finalized plan for an. individual on-site system which, will meet waste discharge requiremeots established by the . Ce . ntral VaIley'Rejional Water ()uality 9. Control,Board in, accordance with ,provi.sibns of the porter-colt)giAe Water Quali!-ey Act Prior to recordation of f-iral subdivision map. Establishment of a seviage disposal maintenance district in accordance with the Central Valley Basin Plan, Water The groundwater resource in the area is subject to questiun. -2 Page 4j. and Comments to varyinq estimates (Draft Mo Pa Draft EaR. by Butte county tvtlitohmental. Health Department) 2 .1-- 4-i,�4- ,-- Saddle Irrigation District currently L; inu O = has capacity to betvLs. 60-90 percent of the proposed Project.,-, The propon6ht has indicated has willingness to coordinate With the District to locate a domestic wate,c supply which Will adequately serve the District's naeas in the immediate future. Xt would be appropriate to permit iZptOVeMeht t- t of parcels which can be adequately served by cur4'.n supplies 0),nd requite that, the iVailability of wIVpl,-'%eS be, demons gated I s � I (ij, c06�cd'nation with the � Di I tr$ � - varceix, to home construction fbt the remaining COMMENTS', BY STATE WATER RESOURCES CONTROL BOARD r No response necessary (refer to response to comments by Butte County Environmental Health Department and the Summary of ;the Final E R) COMMENTS BY STATE DEPARTMENT OF r•ISH AND GAME Any development o'f the scope of the proposed project is expected to result in a profound effect on the wildlife of the area,, It Is anticipated that the construction activity itself and the stcbsequent possible build-out would result in the relocation of wildlife presently utilizing the area. This, in itself may present, Only a mit-Jr disturbance due to the relatively accessible similar. ►abitats . lfowevel-.j axay relocation voill result in 'increased competition among species in the Rreceiving habitats and therefore may result in the roducti.on ;of numbers of some species. in addition:, the construction activity will result in the destruction of some vegetation. Domestic animals 'introduced, to the area as a result of this project may affect w.Lc�l fe populations but there exists no practical, roi4dily unposed mitigation for such, an impact: The lot sizes proposed for the project will tend to discourage Continued use of the area as habitat for any local: steer population that. may exist in the vicinity of the project site, In addition, the proposed project is located on the periphery of the migratory deer tange and play impadt these animals:.... The California Department of Fish and Game in comments to the Draft ETR recommend that an open space be established in the area of botanical sensitivity identified i,'r,: AppendiX C of the Draft; tIR, The relatively large lot sizes proposed for the project .indicates that 'disturbance of the native vegetation steed not be significant and the, ripen space may not be necessary. "t it 'is appropriate to adopt tho following mitigation measures pertaining to wildlife: 100-.'coot "no--building" or development setback along Kunk"a Cteek« Minimal, removal of native plant species during deveiopment. , COMMENTS BY STATE DEPARTMENT OF WATER RtdOURdES Page 1.4 Except for the marshy areas on the project site, the "peat'" referred to is aixture of fop soil, and decayiPg organic material more properly pall "Cid 11CI&f 11 Page 38; Table 2 Refer to responses to comments from Butte County Environmental Health Department,. Adoption of weter conservation: methods by each. homeowner- as suggested by the Department of Water Resources in: comments to the Draft t%R would be a valuable contribution to water conservation in CA1-ifotnIIai COMMENTS BY CENTRAL VALLEY REGIONAL WATER QUALITY CONTROL 80ARD The proponent will be required by the Central Valley Regional Water Quality Contteol. Board to apply for waste clitcharge requirements following the guidelines provided ,in the comments to the Draft EIR. I OI+' ECM PTa*c�l Office of Tanning and-art L r1 Botte County 1400 Tenth`Streeat, Room 21 Planning Department Sacramento, CA 145814 7 County Center brive R 12 1997` County Clerk Oroville, CA 95965 YX. County of Butte CWAGE1 GM= bib Co. CWt 81Y. A. JACINTH Deputy Project Title AP 1{ _ - Name Boundary Line Modification AP#55-30-100155-49-1 Madre De Oro Partners Project Location -Specific OZ the east side of Sago Vista Way approximately 2000 feet north of its intersection with Pentz Road Project Location - City Project Location County Para;-ise Butte , Descrip cin of Nature, Purpose, and Beneficiaries of Protect Boundary Line Modification Name o i'ublic Agency Approving Project Butte county Advisory Agency Name of Person of Agency Carr ; g fy y_��g Out Project Madre be Oro Partne�:s Exempt St;ztus: (Check One) ----- Class 5a Hinitterial (Sec, 15268) Declared Emergency (Sec. 15260(c)) Emergency Project (Sec. 15269(a) and (b)) .XXX Categorical Exemption. State tyle and section ntimboti Reasons Why project is exempt: Project meets the deAfin tion, of a Class 5a exam tion, Contddt Person Area Code Telephone Extension John MerAdonsa, ,Pu,blic Works (516)588--7266 If filoi' by applicant 1, Attach certified document. of exemption finding, 2. Has a notice of exemption been filed by the public agency approving the project? 'es_ Now bate Received for Tiling �4'0z"&a� l Sigo to e Stephen A. Streeter Senior Planner i Title " Ova �' 4 kevised March 1086 1