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90-13C ENVIRONMENTAL DOCUMENTS GPA (10)
r r r� %+npO,, L?ecrga+e.n groundwater quaUtX,degradatio. attributable toremoval�of infiltration - t q 1 il,+ze51 14a e•.�. ��77 JJ Lf ra 1'�; n §ewer• i`lel1S ��Lv �. Jp 9w>~i ul IG�L4�i-% ij,�.L1` 7J'G4 XA.r...1 +'< C a it "' i 1" 6MCatPt Implementation of the draft storm drainage master plan would remove existing urban • • II tip i 7 - r; ytL t a rr r . I't si 1 r k F v t,r ,� rc x inoff tnfiltrat�an► weds from sernce so pcillutants such; as nitrates would <rui 1D'n er reach {l,1t! alrr �� 9 R y Z A g( � grouh&v. er`thr`c,+ugh these coi►duiis.: Preni tigat on CE-QaGnnclu 6a: Bene ctial, "d. lam easures No mitigation is :required. Surface Water Quality Impact ! q increased Water uality degradation in,the' Sac o rament' erl attributable to increased wastewater dischar ge A e implementatio_ n of .,thi, `drill sewer iffi6ter plan Lyth' buildout of the Chico SOI ;rs �i 1rS r". F is r,.,.' I I i ry a r 41` tp( f n �.��. .. would increase was ewater,treatnient 15lant' effluent discharge froom the current average of 0$ mgd to 17.6 mgd at some time beyond'2014.' This discharge would increase `conceritraa tions of polltatants such as nutn�rrits, ammonia, ,heavy metals, and' hydrocarbons in the Sacxain n o ' ` ` �: e, t River,`especially,in the zone oE'initial'dilution around the effluent outfall• I . I n 1 + r - av i F y r • g i b r' 9' ` Fe ;P � .. ^ l' organic g catiod' and An incr ,ase in nutrients and or anic loadin could resillt in eutro-hi dissolved axyger� dcpxxressybi�. Toxicifiy`to aquatic aisd �behthic ogariisms caused by discharc;s AY r W i of'a�naonia, `hpayy'e`tals, and' hydrocaxbo>s could`also` result frominczeased wastewater dischar'ge.s. Existing problems related to ammonia toxicity'w�uld be exacerbated. Increasted concentrations of lil, M, etals,and' 'y' , ocarbon compound �'66Wd bioaccubau ate ii ;fi'sli'and aquatic invertebrates and ,accumulatv,, in sediments t At r With the consultation and approvaf of the RWQCB; the City' is require o. sunit it an, amended 1�P1�FS permit application when the design flaw capacity o£ the WPCP . increases or, th�'� ertnit e)y('(Q�ires;'v ichever occurs;;first. 'l"lhe new discliar a conditions would I h i sr it pit' a:-�"i ,t di 4 r Rin q, be evaJuatect by tlie' tW'QCl3'°"and NPDES ermit� r`e uireiiierits would be ingdi ed `as ' � benefic�altisese b£n the p � - r .�' n r +� i t S •t necessary to prote+tacramenfo River. � r tin .. yip r�@f � lrl} .r(4 t •b. v. ��tj it a Yrr odr�i4 1. c I,; Effluent &charge cgnditions would probably include an �expazided biotoxicity' esttng a'^rl y Yob a t x fCr a: H. Y e 6 '! 1'� n , h i �'Ix r �I err; ,t ;t •a" arr. V4rS :. •t. T Atithreespecies ,bioassay vMbuld probably bei required totsassess the `foxic�ty of mcrcased waste +iter discharges "on Saciament�o, ver, oti Future NPDlE 5'peritut Utidits Cy er.,q ra ns �`r "1i rr "..0 "s1 fxx r fi'r �., �... tiL •q,. rk e Y11 n vt e9,' �1 k'', would ���be based on low river. flow dilutions e.g� minimum bac amento River fl ws a • r f'Tsrf� hl IrS I;-7 coa�nhinedm maximum wastewater discnarge� and vVould take into account potential r• Idy apo a '� .r I,� 'I ud �' f 1t A��t I -r �a 1 Ire I ani ISs� Ea Js 9rA S c nc �yy ectal -status species; 'such as winter=run ehinoolr sailmon ,nsitiv� Vi a wi tib 1 n ,i at I �� l , i , n ilt r1N r ects on se p 10-1 I a I k Table I" EW 11ited,t` ease iii ncr ading tibutuble i..ead:Y.,o r IMp.emeotatioi; of;th&Sti�cm Dra�ii Aft age Immto Plah S I � � , k � Y s r 2 Jo tte Stormof �' Mme" z nacre feet) Mtrmated t eam t Mass I.ea ti�h of day Concentra t.oading d/ ) 7 W hed s'aCstin , ° 1Progosed Run avers Subareas° s Cn ' ' Protb xistiii' Pro crease nditions Q posed Net to _ �►!B�l) Conditions �� z� , r , ��'ro �d P Jeal abs) MudT F 4 77 a� 7 4 `4 } Af 12y,f"' p7 a f43 144 252 s� 4, R� : o, --.r ,E.�.`�. -54 ti tdiid0 C�teh F a $� � r � , �._ .Y-. � , G � •, Zh k ., ° + ,kap a-3 t 1 i 4� ,Y . i'152 °ya '.a r V x y,. " di. x r ,r I Y ':, l I , 1 '` S9� "r. L uP.,,r ►+ gsg Chico Cretk r 3;��4 xt��, p�ti,�r,..� ; r ;a k;�. 61 1- 4.2 ^ '' S �� ti •' 1 �r.� w iOt I�..' �ssai�r;�a ,��A `Y ��.t 1 " s•' pnA'. t e, Chi�cO Cree t r. yyA �.J75., h,T�. ' �� � Y � x;" t .� �•f.- �,.�i _ } n t terry !a COn1a11Che Cr r, 1$ �g 1 �} 6.Lt� 29' J ,. tl Y �, _ t °`I r r r ,� i 4 � fi��rue� ,��r. t•"J �v � ,t,. �. a � ��, "t'�' �. �� ��� +�,�',� '�� ��." 1 x �. bareaS r r9 .. om It (( Ww kf a b4Y -$ LDS a excerp�ed,from Table i �r t A t i tin .� � n U � 'r �,I �' ��, A � 't � S:.�J �'r � N � ai a; q g1 I t mi 'l+y�pnA A. 1. ' ds'' � i 1 k' �i �3U' I � � Y ..e . �r Y5 W' •1�.y vn�l �W( C, ,J1.ICA Na�lOI1W1 bah t�Uno[f r a_- Ur n� ogrsim event nieau :con en< de A n d y 1 t tratioh �'ep �' k V;,3. w+.aa *•p d t ; T � {,. �dM', �,�., tit i�;.lt I r � A."o ,i '"���" r .o. Asa ., -:w _ 11e.i...Id F a�M .:gid t�.0 ¢ G Nnrl a " :..yyr i •n'•:.i� 'uw �:,. a ,: S.} J Ti;�y ri'.i i µ �mN `A, ' M_;� I �` +•.- n'4. w. �" q.. r. -.N. trl. R.! tx°.h „141 a�.�. H `.lx, ''u n, d"� W r=., . 'ua :C'! r;µ v • ` z„i M1 iVs): 1. �'�i 7 '�.:a> 611. •'�` ti".` v'�+a lu"' ° 4 6 li d N :r.D F d �r a N. � >t d 71 w„ r 'wu i I I i i , i ', t , p .4Rs4., %3l 9:',°"+►'SFS Tt�E A�Nh1Ej,TIOI33 yy � .p ➢, 4 fi 1 S i4p�1'. r'i; 1 wM'k. Y K'l t' F iV41 3if'd t.J,1 „ r'3y�. U lii$, id pn -gage Hydr+vlag�ic Cn>7ditA0ol ;' °'L.✓'t1ai1, ria f „ ;`! Iar;pact. Zxceedaiace of`ehannel ctm aci an Subbasin 6 from annezatson lea eAf! P, ty .% wL The proposed 'annexation ,area, J& in ;ubbasws 6 20 as, tidentifled,, for the rand yliao]ugtc ; mputertmodel deveaopcd <to analyze thei e6e 4,of buildout .of tthe `Chico :SOI l . 1 4f � . fan runoff. 13unoff from ubbasln 6 (wtuch Includes approximately 94% of the annexation. c;a) asprajecte4iCto iriciease.from7!42 cfs,to 1,627 cfs ;Simulated..runoff ixom Subbasiu 20' which uicludes approxiziaately 696of the annexation area) is projected to increase fro�aa 256 to 341: cfs. The annexation area occupies approximately 20% o£ $ubbasin 6 and` 2% o£ h►ubbasin 20 This change in the peak flow of 5ubbasns 6 and 20 does not increase the peak flow in lalud at, the SOI :Creek .boundatry! ,x uy Subbasin 6 is represented in the S[JI model `by combining several subbashu that were an��lyzed in master ,separately ;the ;plan. a ,Ther purpose wns� to, 5imulsite tlae effect; of . r > : Sutibasin S on SOIixuiiaf£.,,, The mpdehng ,results indicate fan ,increase ;m runoM,fram Sul:�basw 6 becPse of subbasin buildout incl uding the':annem ion ;area). : aaysis' does not #shown specifically vh ch, channels ;would convey the additional r„ Y AM1'dM xunoffa ?�ieulan sten Plan,;, ho�we er,x�adi� *t that,the channels Fui,:Sul basin 6 would iia ►e. o t be upgraded to the convey, rthe Frunoff anticipated in plan :a ; :"Thus; buildout inGSubbasin 6,u+ould affect £lows taexisting,chann�ls and increase the chance` of e�ceceding chalnel capacity: 7°he master plan should 4be consulted to determine �o `4Vn e 1 a &,t�whatyehannel,t�aiprovenz nts,would be neede y y Inn �Y.y � cpated �flovys Fi1j tl j ( 7y yf°,,�' ,', -S tY�d%r I ." Q� ",!, PreinitY;at SQA n6 Cflurluslon. Significant ` Miti 'itti'on .1Ne 8 _ asnres :1'he project applicant should provide, facilities �e:g detention 'basins, '. , retention basun,, landscaping areas, or; some,combinanon of sircb echni ues '' to '. ... .. control runoff fiom the annexation area such that ;postproject peak ,£tows .and nff volumesaze,of similar magnitude„ta peproject;flows,w ' 6,{4P,;s' ,10ab. Tli city should implementFthe 4rauiage Ynastcr planecomimendatioes or a;p channels 'that ! ezperienc� ' increased,' runoff' thaty be � cannot x . initi ated�, b ,, Y ,�, 4x8� �easure.10.7. , Postmtigatnon CE A Co no usion. Q Less than sigruficant''if measure 10.7 or itieasures' . 407d 14:8: were .unpiemented 1'0-26 1 /Y ` 1 , t fil t L RI MO- � thl�ensrOiurig�echevth c�ete)�tlo�J: c�se rip 'It" $ rap p d - onnel bed d ba ks a �ero�ty . A eIfloo".dfla y;yelo ty;� t �' MIMI, CulveAt mads; of concrete or metal t® convey all runoff would prevent -:v"' on; } g }}; 1( :pboblo �4` 4 e��'f '�S$ � tNI� I1 f1� � M A T � �'4i`���9 t r r t �1 bs`w.�': y1� 'Ni.,< "C :iryyfc} W#:Ark�l^..i=/;f/)r�ily� ➢+1 �} it TfMan°uapen chane lAS,des!gned tq,,conve . Fcq { .� F" 4d.. d' 'iJ i J.:id,#�'�A dcl 'I ^ ,i.1•F k'tt , "4 y, the sttegunoffthanithed,praje, p velpot iatt}ae;channel, t dif#'crentalc atzon �lzoul�t tie'a lculated• oirdtheQO-,,,,Year disgarge.: T'he veloccty should be cxtinpared:wctlkiOWting;daW1 A cf�itical ve1Q��ity m 80, �en^�hannel�; r p (�is�ons, ii associates 192), Ife projected velac�ty exceeds the cnucal veloc , ,metals'; dL scussed= abavei shoizld,be I explored jo. t reduce the., erasiqut potential. , v u� `1R,f, P R A i mac; t 1 x 14 k 1, 10.4. 1"►enloa'flVlaster„ Pia�a.Corastructlon„Actlatles �k Iut aYf`M-r �., PY�E`pY '..J I'1 p.11 t Ire mplementiugjthe ,:secdiment and. g osion teont�rozl plantffor ,tbe� .master plans' construction ac:�iUes,mthe'.cityf,sbcauld rhe=a galaledenpnger,¢gcolag�ist,to�soil e�ientist v�lthx.specialized knowledge ticaf;erc�sion processes, and I e . xwatert�qua_tyh impacts, "to�tmo�tor a constructionaactiv�Ues,f�f a as o� of st�ils ardrrelease�gf sedunents�into cxceks could occur, ronsturt�op should.bevterminated;us�tcicarrective measures e:,e takenj (�`tt "a u, The sediment and erosion e�ntro� plan should.be,ccgj&atedywith the,C}ty of Chico Department' of tlPublcc, Works, Calit'orma Department cif„ 'tw and YGme, and xher ,t responsible pO es to ensure .cons,stency with a. en _ .oafs and minim ` & �' al unpacts on water. qualit3+�and`b10 9pp7� aµ"� >cal�resources CY.,,h . Es r ..k.,! .r d 4d ij , t, AV - 16A 10.5. Implement; a .C'ombinatlorc ofBest"Manageane�nt` Practices A t,[ l ,M �s tQ��etluce l��o lutJ Iload510., VibanRunaS'f n y 'k�•,.l L.i 1 .,,ni rst `iv aTx k`M. _JL.t �h Ji vSlrJC,a; it J�'7.+ of 7 '�¢`I fi n 347,ld •;i a t _ � Lk &�..}I d t�,5 4Fu S"t •'..Ie S° SL9k41i.! 1,"�{p+u U�c7 N •fit` 13l „Lh;,:�. ' '-''.Rt�Mlr " wir 9PD�dr,J *a ti JwI '1'f.� 4 ;, } „'' ;� The caty 5hduld u ; yenaent "com'bin"ation of BIvri?�; includsn g detention bAsins ani/car tYs�ndscapuigareastitotiredi�cepollutntlods u�u ban ru�ofroni developed arias (Also Fl tree measure r10 Concurrent w�tn" �F ” `zt P ,ccty ,shonldficopducr a ; f r � r flIIl le eAutlo YOfd1�3IV1pS, the ' ' i�;�,w►ater:grtalit�"„mantoru,�,°program tb;doeumentiewstug„tels of metals andlnttier,pollutaczts ” rreasuael�thel ee'.venessoftbei3iP. beentfonbascals asbo�dIbeFiYnplemenealas l they naamwateft quahty,tructural{measure to ecnovepoten ally"toxic,iaetals s ch as Zad t ;coppe „ andM zcnc;` assoccatecl vv tb esedixn9AP �i�a, urlbat q oif � aseNd, onw Id t �n 1 able 10-4, such medsures would be required to redpce leadloads nn rlViud Geek,'ig fico f Cre�tUe Chico tri6k, and Comanche Creek. Other metals would also be effectively r k d7;yyh yV"; 7W+i0j�fT'°la)+5` ^`.. e i, dv f t a,,,Jty="i.h1 U,. 1h•,7It M fu Vl iYL h� f,a �., ".�t. � tion asms��shouh�l e. cap ble of�oon�n Ih et , !u t,0� 1' 0 inch ofvnotfor, �. ro�Ertele�3,19,67)�rIa�pdd ClJpnelma �alQtfire uireda -d- -.q , y qtendon basin if r�►ater qu�ty eat, xCessaryior ii'a equ to pollutant redu�tions,could blc achieved t+�,t�nuon�t,basiatss�*Thc�city d,determinerltheloeation a d numt�erof i i y I 11,' Ir i ` 1'� ° s��b�ed ��y�`�furtli�er e�ni�iroi�m�rltal`r�nalysis: s"�'3eteni�dnf�basifis�s��uld'�iE m�aniio�ed I �' I. • v ally Cie",Knuall; "for metals to reenl acliilatlon o ollu these ptants.to hazardous` and levei �. hhtl�#P 1'}} Vr.# b1 IT S h �f��,t�'.lY ei�•I { !is .,J4r r: ,4; bS�k 4,.3 it«! Xi } � their �NtFs should be requited to provide further treatment of�miefalsT;as an,added; meas ure of protection and to reduce soluble pollutaa11. , such as nitrogen and phosphorus. anhen dompara+tive pollutant , oval c pal ilities areslisted ui=Figure lo - d -5 rid u�a1es�ge� and sdlechon a B1�iiPs must} be based on site sec�c" consideraUon,,� such $4i, tilogjir toliagrapliy, hydrology,` and pollutant reffioval'requirments k a# ��� efforts should also iie, made' 0- and sretawfipermeable surfaces m upst. Ow area' A to allow ii iltrat on of stormwater runoff a nd groundwater recharge, espcc�ally �n the I rn. onions of the Chico SOI; Spec plans for individual 'areas should include tl�� east p- plait; merit of features''`such"as'ballf 61, parks;gassy areas; an'd`swale's,ta ma�atnize the area I �va;r able for infiltration. 3 `ub—ci ad6,.ia B1VIPs `should be unpleme'nted to'�nform the public'about the potential k' advi ` rge " 'ell, sof uibanr5 runoff and gain sup sort €or' urbazi runoff control pir gr ins F sia aples Qf {e�Rd/yn��catrdnal SOW- a`are` educating citizen about thn'need for �A�GPs to :c dritrol" r 4 4 �Mw�W a� WVi1� * . d " sources, such as 'the groper °use anr] storage, household %nd automotive P iicals, and' the `need {€iir sontrollin& aperi4 'space activities to npreve nt erosion gine atkierl chet dist! rbances. Pamphlets, public meetings, and outreach prograff►s could be used to nunlCate adOptdd`edif'' CH nal B rtO�'ihe gublacr' d�`" �`' t , ! plement a wastewater Reclamatloii Priugraan,fort Treatment 'P Oft �Ffflue�ut r sr 'l The titshould im ,lxnent° a wast'ewaer reclrititt�spr'ogr'arn� to provide opportuni y tie6K for the reuse . arrd reclamation of treatment plant effluent, '17ae primary benefits if. Waf' ewatcr reuse would be a rec3uctionaof water quality uripaets ,an the Sacramento Raver aii`dl inceasTed grdundvvater l recharge I reuse ofr the `plant ieffluerYtw l�Hould include planned` ,a , niiv atei ecbarg1.e;`lasid "appl , i'fl i ��for =irrigatioix �for4 addit�dnal treatment) kor.`crop >.cl' iuctiin,�"ncinpotable ici►nsumptYv� 4uses," "such�as r�5re;'prott;ct�aEy dant"-cooli�rg, Nan p 5 da'iire5'' and .ornaimetttal ,�faituring; and"Alandsage� purposes, such as irngatiti golf , xu�E�ilitentiaL =mould °ha�r�';t`oz'conforni to=ISIS wastevVkterreclaYnation kriteria,' $ lfl� ndments�and for' gatiou offood end fader C�rog�s, lauds`cape irrigatioh;'airectentiourcal Po " dwaterr'recbar and b`d' a rol{end by thd,,RWQGB, `AAdditional vvalstewater trec►t 4ent � dR be:"gd aired' fir" soini p nfFrei se, I t -a!, ,P u . q ,'' km ` er 6 �dy 4 M1 r 1.Axx, lei a. N � ✓A I Tne ro' am should`` attem t to maximize a pL`cafious�if'surface"water `iri�pstrearrn I P .� P P, zi s sof the city. "I�e feasibility of reuse in the easternmost portionsl of tb`e SOY would but I: arc r xnl itra e b t e',upbill�riiistance froom",the-'1X�PCPIµ�pu nipin '`costs'fcoulr hetprol ibitive. co " �� 'fe ibld;';howe re . �` Tt1is' would rallt�v .sutfaee -via, or tq M,� �pitrg for short distancd ni��1 be "�` `eyelate mto`tbe'aquier� and trecbazge�foubuwtter ��►long tie'rFnatural gradient hit. rk esfroni eflrtlyeast'to the south est:`- Riplacug potable wate'u$edd oninsu?= ,, jj yr 2 } ,;' l �{fi lll� t ` ^died;+ SGdlmeni talk,Y !sh trorus grog Trace ' `.l' `�zM �aU ' MAU I 4�t sign"Mel. nr eots { k »acFena o . dlaa� t L'xtGndedbetention Pond A� �� i��d�e � � U6 t f ��. Y f �' 1 t�L'+' N "li •M1 � l!" � ;A� ! I A sr t , EIB @ ': �F .� N�'�(A fps. s y�'�h 1�� ,,i( � sR �• �,.,,�,�'�.a•.0 ¢ ! � 15�ai�n2'� ,t n+ y 6 cA '4'� 9 � K !Y �� d�+���x �✓��'"�t�� s � �;T���tc, r �� + t+ r�� )�gn r.,kx Gyq4 7�'tYt I1od�r���:r` �r� Y��` �r'���`Ay�v k�'id4 �F iuxit�'�dF}�i .�L'. ��,G �p:�':yM Y��J �' i'i�r4 fic� ,.;Yti •�4 tli„ifL to +J �il'� ski � � ��y�a� 11r t�.i �a,,,�ll kPIF � ur -y� � � Yfi>. i Vit,��4t1 F .'a � 0F '4z k f A:(iAiOi.S 1Joi S Ge!iu ri L ®.S"ta'fi ? ®; Madeirate ' Irf�traiion Tranch � ' i ModGrafc 1 8" -' n{ � yay �'� 'i•�+ AN $1 ®� yr� -� ! ®� kOd6retG"�" � � 14 • srf^.�k.f^'. �r9 e�,� >t, Y1;G a7 !. i k�a T r.r .V _ � i � � � ! r "�'` 1 s � A M � s t ,y 11 q5 Wu6r� ryDell ' 9 A tin V N 17 Posoua Pavem�rit ' , xV P� , t,�V� ,r „Ir .c. r! as U `��Y � ,7'•”; 4�1 i?csign � ® �j V MOdera r <1 'x x Watef Quality Inlct g ( � +� � �•iH Nr. �V'+it,iy a u1Cr � &� �0,� �� � tl�� � yi {..a��� qq '/�aL y�� WM' 1 ;Ib a�f 76C�,r �!4.x i4®��i Cr pp ro Drs�gn 17. ® Q ® ® Y LOW t3rassed Swale ,� nfl4N��4u`,�. a u o Nl y k r I,XAI �•tf ,� � �� A���a��tl�tr � � DC5 phi >i�ir`f t+Y�����,i��a M4«. ip��;p� � .q# y y 1,�. 4 x °� t r-i.;�`i��, •a,"..�'u _ �,,�' ,r �'� t ,.'�1 .; t ; NNYi-i.$+b.1M1�FFN°AHb1AQIF1'�'.i(f '., t t +I ddyye� T .. +NII'�+`flM1"mN,C(7'n1'.5rygt{R'AHLGYfJ.xRFikt{, fSe" XIIl.�rma:.:aArxT,ua d 1 f � I a � w ka � j i�j �� ���''� i r .?' � � •".^i I�,F1,b ,.I� h , tr chs'ter`i. VV , a h;1ra� SO,xS"I '� ®O d SE ING Ij O '7YHG° i1tiLST' ,n 1 P S, ANNEX An ANB � + I SND PLAN t � The Chita SCT zs locatddVithin the Sacramento Va11e h sio a hit rovince. Scramento'.Valley is a nearly level „ailuvial 1 ' PYP. y_ g P P p sin; underlain by sed meritai-y rocks 15,000 feet thick; wvith up to 200' feet. cif recent, siadiment 'T'hese sediments are relatively flat ,but .slope ti gently west and° southwest:'` Minors faulting ani -11 paraeje Pates sof the valley. a f t k raxt s S `f H Recentalluvium inteminglcs w�th numerdus streamdeposts^nfcilt; sand and gravel that were, �c�e osited, l y'streams from the Sierra Nevada to ft,, et st :Ttiese. recent .deposits : ti consist mnl ` of red+d�s YI h . f sand' sandy clay and black humus topsoils overlaying unconsolidated` ,and ^gravel u�rvzum mcreases''in tha e e o silt,. _The valley affil ckn ss from , 5�bi a `few m act t west, ranging k µ ches zit ;the near ofiie `foothills to 200' feet at the Sacramento River $ Seismicity+ -1 4 1 •4 1 Chico+and the surrounci�ngarea are locafed Qrithe westernfportii7n of afaulted ands= da ►nwarped series of ancient oetami�rp vl, n F�,C,rd y�yitx �, , tut rocks of�tbe Sierra Nevad.' Theent1re.,Chico" �+ ' SCRs>iu °Seisiwc Risk: Zonea2 which' co resp ° '� ° M �r r, �4 " onds t �a�IVi6�lhed ercalh tensity,'�cale ° rating oiyII Tlae seismrc`nsk zonesx��re deluxeated f on Elie basis of the known .distribution a£ lama xa earth ,. 8 gaakes and the Modified' Mercalli Intensity"Seale; r"st ng, of : liese Aarth r quakes, evden'cd of's_rau� release and Ncansideration of major geoloic� strictures and " pro1►inces believed to 1iessociatedvitli eatthq' , '` 6a acti ' j , C I �. active faults that could ;cause =si '' ,F' i,'I 4 galissen 1979). Potentially Fi ' r ; m gtcarat. groune,l shaking .near {the co `St�Iare, 'shown' m b o gu e l i ,. Active 4nd, potentaally�,ac°tive faults itiiaf "nay caitse gtound shakin`' wi Chico SOI are listed ui Fable 11.1`or S thin the each fault,�the table Lsts th'e maxim j hisfonc and s w credyxble]]" ea thquakes,� the MOddled -M�� T ,{�y ;^ }�� ' , l3nndin k to% the 'r .`- IyrCalll Tntensl , aa,/e `J r r ty �Scate hating to Butte C�oun corres g . maximum earthquake the cones ondm ` n; Co., fr0m,Ch�ca SOT, 4-,t y,, g{oun acceleration, and th"e u } 71+I n7 p I� I 'e Cleveland i �,,. t, nubs s uiheastlof,Ch�co ^ of ' kno in toAbe active. Elie August 1� 1�9Ti e o is the only fault m the %?icjmty " quake"(Hichtei'Scalewma ni Chico but no damaget,wias°lreported .A Series of short.faul gnitade 57) wss°elt and tivaor;acttvi h :fault°traverses, Bidweli;Park;� is similar to thie CleaelandI ill. ,a as occurred m h! �4 .x.,-U,v ,. o sc -. ,u...,.,.f=.x f ii.. ,*sn +s r•~smw., n ^ba i .. ' , SM1 , „.rnH.utzki 144 �n►«n.ycamYNirWn, ure 11 Fig -�. '' earthquake and, Fault Activit 8ourceButte County PIarinlrt a pertmen3 jjjjW,.'. Table llyl, Aetivc andlPptenCiallyAaive`Feulla7Phaf MayCause Ground Shaking in lht "Chico $(here o[ Inlluencc Mamim►im Earthquake Estunate•J Modified Mercaili,Scale Inlen ity' Estimated Btdrock ArceferaGon in ' �� {ltichtertScafe Magnitude}' in Butte County' Butte.unty (g Fault Crediblt I3istotic r4aximnm Average vtauilirum IAveiage Distance From (biro SOY a' -Bound rt' „ Remarks 4��,d :Hilts 64 1f1 mOcs`lang atn'lce abp""'/mormiil Y,M, ..... k.,_,.:. �,>_v 57 VII 0 45 0 61 *6.12mdessouthcast Alive fault D9 !x.'%'11 ?+lidIand•5wed7.er ` ' 1 U:�uH� ��4 tk4 �°� s� t.�ta ��` .dory I trnBas°ahp _long atrike 7,7 d.Ob,4 1rtII-IX vu 0,1.0.2 30.10,7 52 mtita`sauth•soutbwest Alive fault. Hayward iratavtras atrikt shpt 76't7.0 VII VI U.03 0;1 10;05 t80 milts southwest Alongarve fault y�/r• Sacn Arldrrlls ft+vll zame, north aeaion tri% y @ .typal/��3 t"a t2100m,1ba tong "<'siirJ�ettlip 8 3 8 3. t •�w il VII A!I VII �, - (1.0�► 30113 1105 mils aauthsvest A arvc fi+Wt Llastranee Hoifey i.ake 1 tk '1 1?zZ.100 tailea l0n� 7,8y� 5059 VIII VII 0: 42,t0,1 350 miles east Aarve fault V �t�'� k "IC,G wJ. �,R A\ ��tk 44 ��3 i�P t,.t�rrye�'�� ���+�"p `: ,RitivKU' 1�Dt"long I I'��`` 65,E ;6SVIi d�1'v yV-- p '0I ;06 O,fb4` 50 m�7es cast -1 Aetrve feWt Foptbih >«tar zant 7 5 7 N3' b 0 I tR��"� i A til x � • a �� .� & x it �;Is` �s�t� �, w���. �. ..v. ,.. i40 nryy0f/es, lung eztrnds south of 1X VII 9.6 0 4 0.75-0.A. `�� , ' " "" ^s� " �, . � ."... _ . �2 miles Potentially ac&e; ! Or/:JJC'r ry i rl ,a W rnvs �, 34A n3iles long 73 S.a59 �{Ilit w,"VI'I,VI TI ,, a�qq 6 «0;1 025't10 Ual� Ii.:,.� r, miles aou�hwest f " Poltnlall active: llmrarA�fau�t near�ttni$B� 6; - 'raX' ,,I-"I y X113 miles'long �� ��: � . � .1jlt[ ''�a. t e�" a� �a•:�,r�O; f ;ltYsttsx; x �' a rsf,�5a1.15-'�"` „ f(l�l �t 40 miles south 'Pots ti n ally aai�t Sutter Btiits s 4040'- 'd, Y7 _.. ult. � 2 �: fi small Ca s, -q ong mile l +' t V=VI vil OA5 tl 6 ""' �I i 20 Mlles"t oW "'` P otentially adpvc Ci ao CA hid't fart 8:75, q.0 4 9,,d a 6 �t vit; i µ IX X 'Vf J" 1 #200 r<rUes long102-4 lI 'u Mdes west rPotcntially aaivt ` ' t +,. , I I � tt , �r r {L'��r4 t 1N `I ; rn -'P it .6 rl't<tYN�.,r tab ' `11-,1: Continued Ar t4 Estimated Ivlai� fled Estimate Bedrock Mlwla uro Erarilaijuak�t a Iviercalli $tale IatcnSity �' ''u +Accclerat�oa ui (Rachter;Scsle,Mainitudc)' in IIuttr. Copnty IIuttc Countq (g ' .. .e" r. - r r t A t a6 C t•� n l o t e� i,ql t o r�� y '- Fault ' Ciedible Flasiorie Maadmum Average Mammnm Average sol IIoundary Remarks ,. li,X `Brg�/II�ead;faull zone 9,i t6:0 I)C=X VIII•EK OS -0S 0.2-03 8 miles hast Potentially aaive ma�e5'Inng �,Q:• .f -,C Y� tt u'" ,'I"�a - �: �:'���! lP"Ni 7 .. , "� � Ux�,ati t'�;,. � i � Camels F'eak� t J x .1 d�0 7 *B•� EX -X 0 0 .2-03 t� ti 15 f milts eas P tial oten Iy active; r . *32 milesea,skw r a,.3 lvlelbaes=Dogwoo9tpeiik®lr 83 6.0`X -XII �t1X•X 05.0S5 LOIS l$-�i Ii111e5 eabt POtentiEuY aCtfV6 e3' (Mg, C. lid CaE 1 �';' .4t'a.t.: r.;f Iva; ` Nh vkms ValfeyF s � �'r ^,+ �.t/V t 7b 60 iy?t VIII t),?,03 0.:, 2 340 deast Polcatu+lly active Y' m�.I�Ug�. SiW 9'.�iA 1^�S'♦^ / 'CIS 1� 4 Ir��Y �f 1, -ib�., RArYfP 5 " uotliCe Draft Sutte Couqnty,Gcneral Planr�yaa ��, t� e��lt a rt +M1 �; F .�: 4, I aj,;: .-fYSax .4. Mr ..Y .{�. � meAr ii•` 351m'J �i#{... .ar u07 (ry, 'Fv4uM �I��r,.. t �a"ri t:. `e.,' �•ar 1'�1v M r^"; y '� , x r i"LyxYe �M' t... <h kae ie)z".,uyM, a���xvL N tf W4 lty ,isrvtw.WliV v:t 1 I r 0) ;d r' � �... it 1 .,r. _I 3 .i.; .,� b .—�lMx abXyi{{'%aAW;-.5 `*An'omniNd•' I 1 .I I arr ' — t etre ys^ A.*�n.ar ,.,.,tr ��+� � .ant �,.. -.•na. .x..rttau.*ss I , ea �,t „�... �.ur. . .xi L.xarvo, ivw �^I I 1 t I t �,sr,n � ,rrvaPt.rt x.`�a rr � ,b�-v�aixar arr�+Y,t�xa .��{>ti a x,,,w,-�uaa F-'^" r���aw.� a e�wa�G.,+elwwv�t xwP-,w.ata�ru,x *,�>�+rn+�..� �•�, t : a*Ra r�.uri-vsaa�,. ' �s�a.�rr+anaror�/;wcyq,�y '. � :! t t�'-��d�w�•aa,M,�ruw�>R��,ia.� d 15y f x R ho 1 :. y Ati fy4, ,.�\ ��A°9bk'PAk•Y 9m{K{7 a* f.IFM,6 b b 9>.�!F Rtl� n J Y: 111111 t�. Ju. k i 0 4 u 8 F1 L lY afi-#'k.Y '{ T y::� ' -1, ji S11r 1 I N� kv S M1 4 A P r 9 r!.d j d b V G rA�yFVIC f10 t 'S k A C..••��`t{ d �. �'(jimuj� Sy{15 dt�,d tf V t ie A�.1 l]7, 8M ( 6 1 i V IY �� i11 P 1 t � a U, P +� N �■ u 4• A rc 41 U A «+ - '. � 1 �k "� 41 - ( 1 4!tl A �. A i 9 r ,l f 7 fI ! k 1 4.0', "i Grou 2'soils are charact nsti m veryu Seep r,4ggly tl yet, moneratel� well to Y� F X1.11 Pz i d ' �..aa a 1 t., o �, 1 F '�fsoa►newhat oxcessiyely, drained ."sails, yThe Cone o l errendos" (ca I3s),"Nina Farwell r; -`and °Hancut (Hu) ,associations arefound on,haAly level flsiodplaauis: = fL F�d�° Jz° n�a"d. k 1n,.4�'�� r x ConejaBerrendossoils de�elape"d an nearly level; flaad'"plains=from fiw-grained tiasic ; alluvium. These soils `are moderately cotista<ained Ffor intensive, agriculture and are ranked ; ;' _as USDA capability class IlIsSsoils Ttieir�maierate to higia�s "brink=swell; potential and ' moderate li' uefac ion oten# al'constram deve_l,.o'" menu r ®" q P P �4 V"uia-Farwell soils are,,_ 04m on recently formed"l loodplams,. where_ they developed Froin finetextured ;basic.alluvliam.F These sdls'are suitable for.'iatensive agriculture and have s only mucor:canstrain±sz They{ are 4, ed' as USDA capability cless I-IIe3 soils: Theo Y mgdera te sevelopment hrink-swell po#ential and riodgi'tg,liquefaction potential constrain d »' 1 oncut soils are found°on nearly levellflgodplam s and'alluvial" terraces. They have. developed A £rom nioder`ately' coarse'textured alluvium hof' mixed angor ,...,,FThese soils =are ` 'stutable far 'intensive agric;ultu"r'e Randy are �ranlced', as USDA capabxlity� class;I sails. 'Their ' .,. moderate liq�uefactiantpotential4constrains'devexopmeni pF `� .,�• `d� w '4 d i. 9 C Y b� f n J • 1 S�.' r fP glia M�:�i ►7o,lsi Ika r r o P 5 �r t'r•r �4 res r+r' 1 y'"° 4t f l�y} 1 Y t r t9V uidr ,... f til rY �� ,,' a 11 ( 77 � i �'..5 m t a V Y ,p•; P. Ih r ,ir , Pi a �; �.. j s> .,, ' .� d �: e x f' ir Groupsoils are characteristically'{shallow stn• moderately ldeep,, nearly level, n u soinewhatlpoorly drained soils.'t' i .assoc atioi3 (fit/�'sc) soils;,are found Widdepressions anti along drainages ways old terraces.i'he'are clenved'from fine grained basic materials: LL 1 1 • .i h L .lb e. j [ b A 4 \f �' ld These` soils 'are. moderately constrau#ed for in ensive agnculture "ant are rankers as luAb capability class MO soils. Their h'igft shrank -swell potential and moderate liquefaction � potential canstr development. is Group' 4 Soil's 4i p ,f �� � NVtf 11 td Y [911 E3.Y e� , � ., y 4, Grou.P4 soils are characteristically shallow to moderately sleep, well drained, nearly, 4.level to trioderatel slo ed soils. The Cornin -Keifer"asso°ciatioa " c=Kd tic and the " Reddin -San ba w'n Ro lclin association; Ri Si%Ac ,,sols,are, foun8 on older,te' graces and M fans on,,theleastern edge of the Sa am nt6,1 ey't �, , _, � �i I:j�i�� ��t�5�h�1�k't ��1 �� �{kllr S�rIG�tir�� iki� �� .a wa dkl�ka@ • h - CornYng Keifer soils are found ons old terraces and fans: Their are derived from :old ' mixed, reworkeddgravellyalluvium. These. soils are not si iiable_:far intensive agriculture and !i are ranked as L75DA ca abil" clan's , e3 soils Their .hr shrink -swell o en cal an P tY IV t p # t moderate liquefaction potential constraut development. d! T': iMr->4%ow-P NfX �1A,av4 art �X;F ;i w m arlw,M1 a qi y a, 1 r p N i' un 7dkgbfua$eepl 1 h t -� �{S.A) 1 g 9MoUnSL f. Tn o ba a develo xed from mixed a ll alluvium. These nth Redor rolling rete ' din San Joa' hummocks . Y p gr y oils, , �y ,UPP j!` t'kt.r ro 1>. i, i. s� • as -.Nd' s r ,� a ,_r„.v; 1 �� i a r. dkx ��;' .�>~ v yip ^r t ...+Y "uWf Mi j r .° y e ?' co` ditioris and the y 5 ' e Uecause aft a vanataQn `Pm rapid change &Qr Uflapded� to k i A r a ter tb}e twauo and duratwn o g WnaUc, differepces th�4t :aI g s �e e ,^dtd awh as aY-�a PC, 9., (.� 3 td d .✓i!I U k 1 F 'Vernal pools suPPo}rtfl b .1y sPec�aUzed fiorap and �fauana adapted }to at, , uIl, qui � ;3!ame vernal, POO Re ies;are relaUvely�ivncomman:because of their ,tress£ul hydrology P species, lenttul t,Central V a11ey. babxtat.s Tvlany xestnctaon tm remawutig fragment �ofth�syopcea P a f �: ,}, r goon svernal pool's oncally vernal, pooswere special status plants occur the re ; , il f „ . a ridespreaoythrbughout the C'lvco region'occumng on the ancient sails of the Sacramento Today Chico's vernal, pools: are restricted to. .,unplowed grasslands ani y blue aak 'Y,ey 4 area {ragure 121) avoadlzds in tile, eastera and �ortaem pariion.� of the ;proec� gar ;u u s y 1 a �snumbe of vernal pools decrease, some depeniient plant,and„wildlife species are e ected to be, it rare or endangered. ;Vernal pools are a sensitive,,natural Community ' : rnal` ± ool biota , reponderance of special status plants; value ,ta because o the unaq��e vie , ;P , �., i �. d . a. migratory Waterfowl, shorebirds, aid terre;s"trial wildli%; and the threats to reanairung venial 'rojec�t, area qualify, as, �yetlands, under federal pools, Nearly,,,'all veirnal, pools u1 the p._ 7 �unsdcfton according to Section 404 0£ the Clean Water.ct vtation. r Vernal pools supporta strictly herbaceous vegetation: dominated 'Tine vernal;' pool flow can' be divided -;into plants ; o£ the peal by natift ai�nual� spea�es, i � _ a bottom and those; of the gond; margin. D'unng the pohded phase, many vernal pools plants are germinated. seedlings waiting for the soil to dry. Other species emerge and flower �n standing water or around the pool margin. A notable :characteristic of vernal poolsy`�s:th"eu show. s rip 'poe flowering. In spring, the.,poals exhibit ;multicolored• concentric .rings coixe "end ta; zo�aes of flciwering plants ased by floe gradual drying of fife pool , r +, e ' is include�verrial,pool foxtail button"celery goldfields, ., cal ,vernal, ool domit" i, , u r yeiTow carpet; tricolored monkeyflower, whitehead navarreti-, inch nash� wogliy marbles, �,,, �. d various species water starwoi�; Douglas meadQ'C , am, liWgrass bra`ctless hedgehyssop, an Of popcorn. flov✓er, dowaingia, and bo�sduvalia. ,T� �1� t N: WaldWPs Xnvertebrate spe`cies, primarily cri:.fitacea '(e g., fair shr�tnp, c'I�zn . x 4 an it i' f e, f- 1 �' s}p seed,shnmp', and copepods};and "uisects '4e,g ,predaceous beetles ay �arvae�, are the rimar)p�tnta of vernal pool during the: aquatic phase ytbe`'mst µ P s, P, �x � �ccu 1 s , conspicuau�� bem►g tie fairy shnmp;,are. known almosteclasrvely fror► �erna1 `oos These' u, r. 1y , M anti thus bade Lfe cycle anianals aret,able"to survive,;in botli aquatic,,anddry-enviroivments , h I . stages closE;ly correllatied. with the ,cyclic patterns,of vernal pool filluig and drying x cb„as s adefoot toads, yaxe founds ut Kemal pools during the Sev.,,ral; amp►luiriian�, sir °°' wr ' Y 1,(' �t �` > `° urea, vernal awls are ralso used :extensively by aquaiicC said haaes. tif, the Chico,, b ,, P A 1i 6j, AY.f Cs it Pyo r 5 water owlwand otlipr water,bzrds. 'lVlaliards,rlong U�lled curie +s, and lesser yellowlegs lwere , w 1, . ,h I f ��.1 eys of tbeRpro�ect area, , 'Veronal pools, also: ' observed foraging u�,,vernatpaolsdunng sure °ravide; ianaldn` w ter ori man` birds and marnrnala du rin then uatic phase and asslatid P B o f . Y , g fr. aq r� favaging l7aY,itat dn�cing the dry, phase. i r II s % +SrS K ? y` �ILuI 4h I.Y JI A7 +� � 5"° u asslands.andbluetoalwoodlands,uLthe'Chico;;region �>easonal V+ %ands. nn al gr� ,. � � • `� with vernal ools: ' 'These s aso rat nal wetland$ nn > Amas _. support, other, types of Y s O , . r , l , � , e , 1�-3 i ( f°.,,a dY� vi�'�}^ vvtyy¢,wl>t(�"i,�" ev.�r":� �a^`1r ir tP � va• ( � n� etlands�cltide lirainages andpeta flats where stuface runoff'coliects acid soilse Vvetr saturated for extended periods: 5eesot1►e tlin'ds open connect venial pools; tlirebyiilu"g and draining rtheni.;r The primary di§tinction between verxiaal pools aid the: otlyer seasonal .�, �� , e� p' �. wetlaxids is that water^ponds fovextended periods'in tberpools While `seasonal v�etlands are :flocxled for' , 6A ',� 4n s durip%g and' imtriedia£ely after, rainfall. Examples bf seasonal Wetlaiads include ephemeral dram "d m unduiatw ;mounded topography and genalsloped €fat-�vr%�tced clay flats that farts v�ndetopographac basin with heavy clay sii�l. ;easonat wetlands'in the JChico area support many of }he same values and, functions as vernal sols. Ailtfiough"the errial _pool plant atid Animal species. that require hong-te>.in P inunclatian are generally absent from seasonal wetlands, this community supports many of the same last and wildlife'specie sa - . ' Interestin y most of the re on s s ectal status lants a py a.E P P are restricted: to veinal pools, exceptf the utfe Ccionty meal qam, which usually a; curs in e"iiemaeral draitaages Seasonal wetlands support fewer values and`'functons than vernal. rpA ra .. s 'ools :but still u as sensitive natural commum fes because of, tYleir` im ortance to F P_, dependent plant and wi111ife species, bydrolagic relationship' with vern�al.poals and tiie threats `facing remaining occ�irrencesa seasonal vVetlands in the project area also qualify as junsdictionai wetlands under Seeaori"404.°of the'CV6�A Urban development that disc%arges fill"��into these wetlands�`is subject' to pr¢visio— s- nfl the act and Vinay require a pernut from thea U.S: Army Gotps of Engineers - "r ° - I Vc Cation Seasonal :,We an s are `.floristically suxular to vernal 'pools and, suPPa many of the same species The prunarg'dtstinct;ons are that°season_al Wetiands'are typically donupateo by IVlediterranean barley and', Itahari ryegrass, and they support some pIant'species thatalsti, occur iia annual grassland's, sifch as tidy tips,Mwild `oafs;=brodiaea !species; aril;goldfields Cher common seasonal wetland species uiclude V`Meg o cloveir, ellow;carpet, and species of-popcom flower, �!ViIdlife: Dunng the ,dry season, U. on wetland habitats are sunilar "ta *, annual; gra�sslandsI in"the-diveksity and abundance of w idilfe They suppo'�t. �o.ck wrens; r 5avanta sparra�vs, western' kinji_gbird, westetxi'meadowiarss, arid.rmany' otherspecies e>tist uY this irabitata ` .13uHhg t we_season; these' areas ravide'habtt0t''fid°r-Pacific'reefro s, `Califot7ua newts' ai7d other am luWan aril reptYl � e. 5 an to oval we tt s sa proud r OV °killdeer, ,watch pipit, mule ,deer, coyote, blacktaii jackrabbit, and haaniy other wildlife speAeSY, � Blue Cialcwbodiancla Elite oalr'woodlands occur along the eastern edge of the Ch�eo ^SOI"at `.the?base of fh'e Cascade Rarige''Figu a 1� 1): `5tnail sfa ids on vacant land'occuiion tithe Tuscan`inudfl0 formation sauith' of I igh`viiay 3� and %oma' narrow stringer' °atong ' fes; 4.1 s '^� d e, ' ti drd+ , a -U..a af,i camore Creek's floodplain: 'LoeaUy; tbousands,eo acres af{ txus camtnuriity occur easf of pie►Ql, in a" aiarth to sbuth`�anented band alorig tfie ca "I'00, d Cation, Blue oak woodlands in the SOI form open, sparsely stocked stands an aiudfiowi far atiohs iid debs'e stadd'sxalnng'er.eelcs. ie'tree caiiopypis dominated`by ti r scattered blue oaks-ui'terspersed witli;a feW °interior live oa"'aitd.gray pine: A spacse's b :124 : V I S � l it r L. ` �particti�iarly�when�atatural�c�r ruderal�vegetationais pres�ent�alo�}g'fe�c�s, �.�tches�streams,�c��r "{ zaadsad s,�il os of the atave grassland, wcaodland,�anddv�!etlandcommunitiesl�n to zitr t t 4s .Aa Valley lame ;Been converted,oagncµral land,suses; FIence,,�nuany;,wildlife spades a't ; ptintie tto;ewst tt�Central ;Valley depends,anN agncu�ltural habitats to satisfy theix i% , ., .. �Y K' � di1'ti, ry n 7107 s ^'s Sr sy a,r .d {i gihf 't Y S A4 as W SiS,.r p p �eeds,i, e 1 4 �3•G G, 2I".fr Birds, such as the northern harrier and western meadowlark, use agriculturai habitats. 7 for,nesting and foraging; both yv�ee,oberyed in�the proect aaea;dunng field surveys CDther buft;suclidrastthe red,tailed havyk;,black shouldered;Rkite; grid .American kestrel, nest aajaceAt woodland habitats and forage an agricultural habitats. , Many winter vrsfors, }such as ferruginous hawk, roughWlegged hawk;. water pipit, sat",, crane, and a variety' of waterfowl, depend bn, C entrat 'Valley agricultural,! ab tats for :-foraging and roostinnng44!!, in RdS'd, tSAl;µ�i+� ' _ '•1 x _ r4,;'� s ss v s+ j,r b 4)ther birds Comm found, in agricultural habitats m then project area iinclude. killdeer, d ring-necked pheasant, American` crovi� : northern ;mocicangiird, ; savanna: spa zrowy whate crowned ,sparrpw; and 1Brewer's, blackbird. The�blggc %�l j�.ckrabbit,, California ground squirrel, CaLfc>rn�a vole, ;deer mouse `and western harvest 1A us ares aanon�; the mammals o I typically foivadl ui Central Valley;Ragrcul tural habitats., y . r ���� � y 42,E ,I ,r yr 1 .), ° y1� �d N� �•uNk',� and . Orchard types in the ;project area mclude�Win iqd and rwalnu . Arauiage ditches and fencerows,ralso develop in prchard habitats:;; ,; Rr,•F ,� k a ,til ,Orchards are of;lim�ted value,to w�ldlife,4Z't�e lack of vegetation below,ttle„o��ehard 'caro Eand;the+=_regular .trimming l9. tb�itreesjjexcluide most�wildlafe use.,ECommon proWs, PY a yellow-billed `magpies, and starlings are typically found in orchards. lviost�farn�ers discourage . wildlife use of orchards because of crop damage T 47'4, ��� J �U; Old Field. _, {®Id :fields; are previously farmed r lands where i fanning . h --been, i (.1 '(r._._ abandoned acid a; wegdy, non native vegetation is estabLsh�gw old field vegetation consists of,a dense herbaceousa.vegetation of npgut brpme, oattaii barrley,' .soft chess, Italian ryega,ass, fiddlerieck, fellow -star thistle, wild radish;” and wild , mustard. Valley oak,, atond, black walnut ;and other woody species. _line edges of some old .fields. Old izelds;providewildhfe habitat v,�lues suwlar to those of annual+ grasands and' raw c�•op agricultural habitats 'hese open, previously cultivated areas provide forming habitat, for killdeer, black -shouldered ki ye, red tailed hawk, golden eagle, Ainerlcan kest e-1 savaiuursparrotv,,meadowlar�c; Brewer'syJlaci�bud;;.antlmany others, �`16!her�7;fence;rows axis adjaceut,to old fields, whigeyroyne sparrori, goldI. en crowned sparrow, „American goldncb, and, other species dare 7found. Olds fields can be 4particularlyunportantoagmghabi�ta 1.�£ 11 Sts. .adjacent tree's cantau� active raptor ne Mrd,„z„ �dtl E Y i 11, etaa�. rl Table 12.1: Continued { nr IStataio - qe {.� ' + l,S�".� r...�.,..� ,�,....., �lC�.• 7 �� T 1 r S� rt � r l 3 Lr x • }o x � �S r Jar i{ ( l 4 .� � I f saentll'ie aaat " .n iv d'e� Jw r a r e t,J pJ ;d <q } NaIY18 Distribution u tat J ! rddeQta J�; 1�Ias F +'pt 5 It ParonyC7ala lJ%fQ/lll�T },}y 6S : i s a "' ! ✓ ! P, ,. a 1 r r k,'2/"/1 . b Northern Sacramento Valley-ui�tiutfe',s, , t Ahart's paroQyGhiu �z r �,,; +y Qduh4j, mg aJnQual grasslands`+ ' Mai ccPA�Jai er n (Layophyllaceac -;puilc f Tehama, and Shasta Counties- th then;ty soettm tr arQilY) wi r 7 „ t ansataon`��_ roloustarl ., , ween lowlaiwales aad et �l Butte suach,b Resdnct , to the fogt a sy YWallow -,-.3 alvaceae - Y) hal)s� f central {J ` Mand 'tor "L Frbteded 'ni �!c sates ui oal.� yy� o m '.�'Jutie (4 �� r un �7► famd!. n N,r r AWS, OAnaOtig'OAliS Or ?tuctc�nia Bre 3, z ,,, „t Wulders =1 C.lb ed a e Central elle' from rx>Z Tule ,40 ,.,Y 11atona �nf:lar ve s facto " ( grass family) f J { T ,H are County ah �" l��r!� JulyOctober ....r„ r�r..,,r fir..>. t� ii t ���'•'�� � �J7 .J".t; c: ur-•J.'�r r J'" r < Ir: •�1v1 -�- ,.. r �> n� :81_v. 3��m!',$ �. �hYn�,S�'.��k'. 1�1 Status definataoas q1Wy Federal. �= V.J' h and :Wald life S rvicc (1;R 50 395i6t Nbrua 21 - 6 , rY CFR 1'712). !.: r t. P-13utter.C:ouatyM teadoarfown was Pro ed b :US 4 � n. r ; rand S as • S ed On !(late 'pS .. Or�llstiatg J dang8r Feb` t a qrz�;; ,��.. eke eQ u u � under r w fa • fedeiayl hs �� ' fi r� r k a rumry 1S, Y '1 (SG Flt wulQerabili &, teBory, 1:;Nnciudes �s eci at" a32,r63� >~ebrtiaiy ,15;1W . t3' and threats to su �r. ° , ,r.�7a"�,! A.��srr es !'or ,.. ) '» to list theat which the +Sn1�as t'udor�at,pa oQ>;bipl a rata n Plmrt a ro a oFW sato tip'} �,r4si.wt„lea rendangebredk. �� `�+ �3 ICae55,6'a{� .. t A lu fM�� .J 1�alcSndtdate•s • �' . I +7 F ..� g QL'C183 wader r!'y,ew��irkfederal hS� i .IV ;1"� r r,,W.y1• j Ejr Xr' b �!`! kr1� r,'r i' that proposin`to listdhem + , Category 2 includes species for which,I g a,, tlareafered.or c t.",heUSFWSArnt,hsine anfornn �> ' I`to iletertnine b of 'cam- ” .. ,,�� , pdanger- fi , ipossably::appropria�t � liut;fot which aeon andicat' w ;, �! wlnerabalsty;anJ4keats. ,Note thatt:Ca �° �u�6ea"baologacalaresearr4 ar��' a l r The distinct�oa;relates� to ttie'; , ,_ . tegory,'2 Apcaes� r©L, iot"Qeccss ,• , "a �, ;Ie d study a e needed amount :of�data available an is.ther ►less,rare or eodungc nc�`than Ca Stat efore:adniihistratift and not 6101 gical. ted°�S!s pes CahfOrnia.�iChanQaent'b FLS111and , w "•`: lA � 's.. i�".,',, y b �{ .,�'' �lili!�1.,y� '� iW » �HNy r � '• R 1 e. - ��IIt� b1h1.$l"at$te gQ1taQQ. , u;m -, ,�� a L r r. LT y� F •t t �l✓r rLc'rIQ�L'a ✓.. _. �.:c" ' '�. 'i` i r, -:. _. � C,. hstedl;a$ endangered MC, tlae, y k erg nwr.u: c 5 {Y e R N dangered S eci Cahforma En p . . t • I' ,. ,r kir .`, rrs 9r :.elkm�wat,aj •{ � � I � aww tet;' rw a .J{� maul. �n-•wiw:,w �d_r M e J; �,ain@; t.. I I � 1 J ! ,. ' � � 1 . ,,:; •', { 'f � Gi XP;4o �i �;�u �.r� �.� .'.ISI, " ��y�vkm +tJry, y ,I + I �., � I E '.; r n.lv ii , u,,t d Sfi•�.V t,:"y J, ';.;I ! '� w.s• a :pr..w r4�rr 4 ��o4 ��� ��'"� 'i a1"'�.a � .�`t µ b to u` ; I , • �I asLS 1 A► - I ('►$gS = Calforn,a,I_�tative Plant S+ciery'(S.m,th and Berg la fs considered e,d,,,ct..in Californ,��and elsewhere! plan .. Ituite'tar Ahreatea or ;ou�iar►gered` �ti �Cailifc "rnia „iiia elseai 'tr'e: Speci�sx.oe, 4his vst iresiumab bneet the criteria' fdt list,a�=:as ;thr ateped or 1 IY ee,cl,u,gerel under tlrt`ate Endangered+Spec,eslAd d ', ' too 'is, nee ib qualify fob+l,stuunder the CalifotniaiEiidan�eredlSpeces{'Ad u,forniat oIY plants.about wieica mors �1 �"# J �x .s �x'r.,.�_. .. �, �,> .�'ra,q 'XII i,n,' -+• Mrd Ih,t.� r� :y ,�! .}, ``i?., v.,.:,�„ w . ?I 5� ^r,r d .» - 'A„^_' . ', t, ,,ua._,n ' � _ - hl,��}✓J ::� d<L P �� �.1�., t'.. ::�.}.1 4 7 f V+N� '�.” �i�r :, 14 ��t : _ IdullaJ4 I �fi � 4 ,bJ 1 7'ip. JI � TM45vi 1�Y�1;�11*'lL��P;'�V { Y51- t� V�.., ,)* ,r �i ,lir �b.,.�i� ik.�4 -ryl iti ��w� ➢ �A'p4 ' s.� i 11 r fl,%J�Ani1 j Rol ' A t -h Il I i I drf N I £ �, J! 11 I! Ps � �'.?'+.� `M CY Iw�*„_`.Y vAv �,AI-.w X11 c AF-..1.*"sYua=Y't�-' � .-v-Mi^FFvd I,Jl..:" { .. :,E '� ._ r 1�. .. t'., �.fl�.'.k -VI n•, �1 �+Syq, 41' -N. t. 4i .1 ,.4 1 li d'rypr... `.n 4 I ^a k, tR,.. sM: hh+RTr ., s I I t' rlru'MsJ,�« im sF a4, ' I i � am A 1 nr'V”-M ih u..,r v�Mp, •11Mr�«�{kI�Y1fi M Kk4 1.Y.. t�, i'h151%-'�Wr�4 1'4✓Wu+"}.M a(iY �11� k Sv-� f+�'� �, .-A � I ......< .. MM, 1• Y .'rvY+k.r n„�+K 1,S -d . u M1i:M1.+h .� yy R Ayr �ik T40 t IJ1 i , I , r 1 .hl I �! v 1 f r V Table 12-2. SKcW.Status Wmldlifo Spedes KDOW11 to dtClir ar Potentially Qavrrng ,Within the Chico SQ1 UN r; Cvmrrioa =i+Tmae 1Pederal/State Distribution 9' -16C —166 Winters along the CaumniA aaas and is the Central Vallel, Prefers agriculfaral Go1G, verntl �►nots,.graasta4da, nad uW r�clds observed in vernal I±ool habitat at ;Rancho Arroyo Rime cshonldercd kitx —/I+I' Foua 1 year round is the:Contral Valley, Sierra Nevada foothills, Nests m osk Rnw ad or r,parian'6abitat and foragea.i4 end tooth?ts and Valleys slang CaLfor4ia ooaat;`breeda with,;n agricultural Gelds; old Gelds, and annus! 6ratslands the�project area tiertbera. barrier --/CSC Fong 4 year round i4 the C,cnt:al Valley, tRorthcasterq, Nets m,tmrshlands, grassiac►ds, and uxne iggriwitui>rl hahiteia;, California, and along Ute California wast; observed faragirig in: and forages ia' agricultural Gelds, cid Gelds, aid annual grasslands grasslands habitat Fn the;Mco SOY - s Cooper', hawk »/CSC Ncsln primarily`:w Sierra Nevada QoothAf and mida vatioa I'tfem riparian and oak woodlands, and aoucd conifer forests at forests, northern CaGforaia, sad along the California crash; higher elevations; will also forage in rinnual grasslands: regular visitor in the Ceptral Valley m winter, possibly breeds w2iln 8idrvell Park Shrub-ahi4ned"Wwlc —%CSC Neata;aS high elevations i9 the,5sr& Ne?arada, norihcrtr Nesta in oariler foresitiU 3octiides oak,q�aidlAcd, ,.,.. GliComia, and along tiie,centrar, Coast;eaasldetrd, unison and riparian and grassland habitats; t` visit wiate or in the Centtal Valley , N{ �a 5c+ar�soo s hawk' ' »/T Breeds m the Central Vail and northeasteirn California;, Plests'm oak , Wvodla4d sad riparinn habitat, lune trcesr sad wtntef6 In South A4rereca, b1f04/n'neSt.a/teE anat.along .; roadsido trees;.faragea griCuilUral fcldS, cid Gelds;'aanual Siecramebta River and south of Cb;co slang butte Creek ggasslands Pcrrugz4ous hawk C2 /— Does not bleed IM,Caldorrtw, but s►oters w the it otral Valley' Roosts m rYihturc trees and pctrleea in annaal grasslsaiia and ' .' v?A14.0 'au' ',� +� ^MRkYr,'.�a+£ 1 1`w �E,.l Mu;,h coastal. Sierra Nr ads footWs! and northeast' r ;(,•_ L.v r.,. a 'Caw, 1I i�l.W{ur� ha ,f� s..l l W', R v�C" �. tE...y P�un+l uo inirpd galleys and moantarna of the Coast Ra rP Prefers J'`']I' ' X �', �•'^,,M..^J. Ota, a4d matu�i tie���ai nes�Rg and xk:. ♦r, J .+ l.tr �H(�;.. Y' i,•>r Vi t., .:�! ♦ :.. .: ,E<. SIeRa:'NCVa1',.Gascadcs,cw!eaters C,Lforaia,a4d.`sdrdhoan�" QIn'nal eaVaanasfoe',f •"W'! lir open cOtrllt th1E1 C+rliEornia fafbE Ch1i06 SOI �„ rY Prairie falcon... " r4 tOtlitlerEl+!,Of41a ountains',a4O dci.l'rri. .7rt".ii9 i' �1.� .,� PIrrEera�ClS�f n y.: s,�ndc�carysments for neap, atnd opeP. oauPtrll,�r���, Nevaday Raffia L orma, tern and pitithas#crn Cif sin u including annual 6rasslagcra, lar fnragurg lhrougheut the state, indudi4�g thx.Ccri" Valley I ♦ • • .,nx'A'I A i „4l tni. .; 1. 1 ,i *I,tA.i:.0 � -. f f r o MINIMUM I r � G � rr Table 12-Z,. Continued Status° CooiidonNemd :: Federal/State. Ditiribution'I: iHabctal- Peregnne WE, News!n the central and northern Coast Ranges end Sierra Nesta In prolecteil ledges;of high'clifPs esaalty adjacxni`to Nevada; winters m the Central Valley; individuals observed in marshes, lakea;;rx riverx; Mi, w,.OgM Forages in grnsslaisda end Chica'SO in 1990 Wctlaads Merlin �-/(SC Daea net i*CCA m Califoruie; but winteee throughout`tho Fofages !n annual graselznd, oW l gilds, and Ogg h* t* Central Valley $arrbavicg sail .-�(SC Found throughout Im"d Califor7ia; pests int annual grasslands Breeds aced forages in anneal Prlend, old Geld and in Chico SOI agricultmrel hal daUt m'ths Central��VeUey Yeligor brraatod ehtt /CSC Corn fitted rare is riparian woodlands end'thidA`' ' is eoithern Nesta !u,ease nparirn tieoodSaada;' f California, along California coast, Sierra Nevada 1mi lti4 and' northern Ccnirat Valley; considered potentia! breeder in Chico Yellow warbler /CSC Found nr montane riparian proodlonds in the Sserea Nevada, Nesta n KnllotY/ootion"lood stands - f _ ^'y,51 +-,1 t 1+!•�ai+�k: 's - ' h6fth6kieni \r81Jfintefidr yall .r�i. „ek7O,'an{{lh'K.�tr� coasts, --aua Central Valley riparisa-wt)odiaada^dunrig _ r;, to t . .Y i �'t v r� I t p11�fA�1a17� pattxiLel breeder rn ea5lern 1lOfilon OP MCOSOI °-► rr ppm miutia `rr) �;rtti '7 ^,k + 1 /L`SC Foci lis the Blatta Nevi+da'fooah lls�and rnideievatiou Prefers msture;riparian and oak^eroodload l ebitata CI i gg7a 1�a; r t9 , ' 4 , :1 "u J fi, u '' woollen , n9rtiserU CBhf'cent! coast areas' OfpfBi+ - r 1 . considered potentwl breeder m eastern portion of Chico SOI -' ; : PbcSkrra Nevada sed Coau,Ranges, etid;fhoWON: rrid tbd)y hrlLudca��+ ,' �z+X l•�. F R prti- + ' a ., t�tlja SaCtenlCeta V poten aCfAlte,Ul'rr artan woodlands hl'1m 1,M1a�. (!� z >xa 0 ti) �� "� � � '• �r x �H+,, tu� . �, +, tha'.Cbuo arca; �acarbstoccurreriaslare on'SacramontoRiycr; I M t Sfld $obelaine Sap y I� .. M Feather Rrvar duary - ��� «,s 3;..�,.•s s�l�,wI u� s•" „ II o, ral n I� 9 � VI Ve V, (Ti Vernal pagl:f sll►sspa i' Poand in onialal ta1lsys `nod rho "Centra! V,alky from Tehama Pretcre wernal`;poola in' g.satanda'aad aandafoae rack outer w .y�.�E�l F„ �,. fit ��),i') ',d�• a,� , uthat.a County toPtrverradd Cowrly clear mater io16. re tYpi pr,. btheir'at ta p p�.. tt uoan Prom three esolutcd Ceolral Valley loeahtiess Jepson Prrcfere geassland vemel pools tl4at are typical}p laTga sad muriry Prairie, Vias i!lains "(Ie6ame County) and:Merced County I J.,iw_ '; y,. x',+nek VI +n A` ; «.r. ° rt7 r tt" " " 1 '1'v ci ' • +d t,, rC .,.e" C (`�� a•�• `�+:� 1 4.Y1pu�.�!%�..-,k J w U"dkl i�. {(f,�`: w•�'� ) I , R -. ^z: L'.`Tt:'Mh 9 Hi(M!,fi .b. ^i�. ,� F ,...gar..-. s .., n , iSf _ . ..:. x ,. ., ,u f, . , •, + r n .. s i,l ..� n:: N .. � +1H5 '.�{.`9 M,.:(d;V+n aiY .ti=wN ik.� ,ery ,5 :6 Y3'_' � .1 .,. A 1 r �sW .I , 61 i!, .4 r i` • (�. n I t 6p M� �..�W.o c3rr' I I j I e II I it rim „+4m t^�w.aap a:.v>•Im ia,_+w�+,t�.usxuk'.-�--M �+dN`� k-+alkVks;rnr a.,,, x, r B •,,ate 1. . ( .v, �s>� L°� I" wµ.�, v.rL:pvda�„ .n nv: 7 „-na,r^.+e. x us, i � -i 1 uc, ..+ �a,�c Iry �.M ^h .r.n� �aP III 1, i,Y., i I' I y ,r r Status' GxnmUn Nama ' Pede al/State Dhtributioa Ha ll" Wit arn?n P/— Pound 6 6le,6ntral Valley from Tehama Cwunty to-Riversidg PrcPera grassland vernal pools County Arl SW a Sitbl dtfenicina �. �t +Ja l s� wGFW 7 .1 T� Y:nW, al + Eaulai it`d (Cldet the fedafal �S ,g.6,7.ClY threatcned nndu the federal Endaagered S �peaea A,Ct(50 CPiT�1711)"°-�.r ',;Na"r �.. k�.,i. Q i'f`!ti9;!'1 I�,=' +a.. r a P `.:?• rs`d i '�.w C L "f .. ° 7 $zt�, for 114* ad thxeatened: �;'' � . � f z 1 ^ y 1dY{S Wr4'Sr 4 ,' kf'(�+ Y®y`Ao .. 1"/"�i' !R30�a�R +`«ta &A'A A r, ll�'k;. f �.rf: ' � kt("1 ) u,� N R4,t f i'; J3.1 tk R j� .r7raI�IV`��"7�, is �irY h , r rY"w#se a rBd�n Y I�tO RN resources o the Sacramento River , 4,a 4 gra Gnrrita�on dame,c�entic i`�iane x t li.}`Vy tr l JT' y n ' 1'BtiVe skieCles , �:,r�k?�e : 1<�,rb• tf�.t° oaf, ,,� a !2,�J.,ar x,i'R"tip, .'r, ar, ;� ..I ( `,r j, sw k vS�+' a V Anadomo�t� game° species " " r> `tr '' uGi� M A � f g A na { it �i- �J4 ' d! v White sturgeon n ,,, �ctpeits�r tra�rsmonta�tus .r, r ><f .�) Gteen sturgeon r� + ;> r ,K`� AMP, 7.fl, Chinooi� sagmoiu Maur "races y'` ` ' Oh6rphynchus'tsfiayvytseha. ead rainbow #tbut Ste lhn Dncorhync�ius mylars . i c s ;r � t a F •�e� e +..��� Bc@j )IM1 ± ', i, r5� i, i �_� I eele$ Anaclromou no�ngame sp �r v R�nv,1r,f� f,z :..1. - ti .) 3 4 ) .ud:,< .s .t' 1" "+.9, ti_p I�Y + f '. 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