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HomeMy WebLinkAbout3560ORDINANCE NO. 356a AN ORDINANCE AMENDING CHAPTER 24 OF THE BUTTE COUNTY CODE 1 2 3' 4 5 6 7 8 9 is ~I 3.2 13 Z4 15 ~6 1.7 18 19 20 2Z 22 23 24 25 26 The Board of Supervisors of the County of Butte, State of California, under and pursuant to Section 24-25.40 of the Butte County Code of said County, ORDAINS, as follows: SECTION 1. Section 24-82 of the Butte County Code is hereby added in its entirety to read as follows: §24-82 FLEXIBLE LOT SIZE PROVISIONS SECTION 24-82 FLEXIBLE LOT SIZE PROVISIONS A. Pau -pose and Intent: The purpose and intent of the Flexible Lot Size Provisions contained in this section is to increase the retention of natural resources, open space, and wildlife habitat, avoid hazardous areas, and further implement the goals and policies of the Butte County General Plan. Following are specific goals of the Flexible Lot Size Provisions: 1. Provide an incentive to create quality residential developments, particularly where special conditions exist that prevent the attainment of the maximum permitted density of a property that could otherwise be attained through conventional subdivision design. 2. Require the avoidance of hazardous areas {e.g., 100-year flood zones) and preservation of environmentally sensitive areas {e.g., wetlands and special- ..... status species habitat), productive agricultural and, timber. lands, and important cultural and scenic resources. 3. Facilitate innovative development concepts that achieve greater consistency with the Butte County General Flan. 1 11 2 3 4 5 4. Provide permanent open space for a variety of natural resource purposes. 5. Preclude additional development that may conflict with neighborhood quality of life. 6. Provide increased open space which may include active and passive recreation features that reduce demand for public park land. 6 7 8 9 10 1 ~. 12 13 I4 1~ 16 17 18 19 20 21 22 23 24 25 26 7. Reduce infrastructure requirements by reducing the length of streets and water and sewer lines and by potentially reducing street width requirements. B. 8„~n,licahilitT: The provisions contained in this section are applicable, as described below: l . Processing Requirements: Allowed by right in all residential zoning districts that allow Flexible Lot Size Provisions, as specified in this section. A conditional use permit, planned unit development (PUD}, or other rezoning application is not required. 2. Aonlicable Parcel Size: Parcels that could potentially be subdivided based on the minimum lot size specified in the applicable zoning district. 3. T„~„and divi~inns: This process is applicable to all subdivisions, parcel maps, and parcel map waivers regardless of the number of lots proposed. 4. C}ntional t3se: Use of the Flexible Lot Size Provisions is optional. Persons wishing to subdivide and develop land may utilize this section or may proceed under other existing County Code requirements without use of these provisions. 2 1 2 3 4 5 B 7 8 9 10 ~.1 12 ~.3 3.4 la ~6 17 I8 is 20 21 ....... .... ............ 22 23 24 23 26 S. Reference to Flexible Lot Size Provisions: Residential development applications submitted pursuant to this section shall be clearly identified as being so-designed on the tentative map. 6. Limitation nn Location: The use of the Flexible lot size provisions shall not be applicable in urban areas designated in the Improvements Standards for Subdivisions, Parcel Maps and Site hmprovements for Chapter 20 of the Butte Country Code or within any adopted airport Comprehensive Land Use Plan. C. Annlication Requirements: The following processing procedures apply to the Flexible Lot Size Provisions. These procedures must be followed once a decision has been made to utilize the Flexible Lot Size Provisions. Subsequent to completion of the steps described in this sub-section, a formal application filed pursuant to the Flexible Lot Size Provisions shall be processed and acted upon in accordance with standard provisions of the County Code governing tentative map and waiver applications, as specified in sub-section D. 1. Preliminary Consultation: It is recommended that applicants proposing to utilize the Flexible Lot Size Provisions meet with Development Services staff prior to making an application. Once the decision has been made to proceed, the applicant must submit information specified in sub-section C.2. below in order to begin the Pre-development Review process required in C.3 below. 2. S innlementarv A.nnlication Materials: The following materials shall be submitted. 3 1 a. [?tznortunities and C_`anstraints Mau~nin~: At a minimum, this mapping 2 shall illustrate land not suitable for development, as described in sub- 3 section G.1 of this section. 4 b. Concent~, Development Plan: The Conceptual Development Plan 5 shall identify building lots/sites (including a description of the 6 maximum number of lots), roads, open space areas, and other features 7 based on the Opportunities and Constraints Mapping. In addition, the $ 9 Conceptual Development Plan shall address all items listed in sub- lp sections G (except G.3}, H and I. Where appropriate, information may 11 be provided in narrative form. 12 3. - • Once a preliminary application has been ~~ submitted, Development Services Department staff shall schedule aPre- 14 development Review Meeting that includes the applicant and representatives 15 from the Development Services Department, Environmental Health Division, 16 Public Works Department, County lire Department, and any other agency with 17 applicable interest in the proposed development site. The purpose of this 1,8 19 meeting is to provide the following preliminary direction to the applicant: 1) 2p Identify any potential inconsistencies with County ordinances anal policies, 2) 21 Identify design components and filing requirements recommended for the 22 formal tentative subdivision map application, 3) Discuss the review process, 23 4) Identify potential environmental impacts, and 5) Identify special studies that 24 maybe required to accompany the formal application. Any direction given 25 shall be preliminary and is subject to further refinement or change as the 26 4 i 2 3 4~ 5 6 7 8 9' 10 1Z Z2 13 3.4 15' 16 Z7 Z8 19 20 2Z 22 23 24 25 26 application progresses to and through the formal application process. Following the meeting, the Development Services Department shall send a letter to the applicant describing recommended direction, additional fling requirements for the formal application, and other determinations reached at the meeting. 4. Fes: A fee maybe charged to cover County staff time in the Pre-development Review meeting in accordance with Articles TV and 1X of Chapter 3 of the Butte County Code. D. Formal A~nlication R~uirements: Following completion of the Pre-development Review processing steps set forth in sub-section C, development applications utilizing the Flexible Lot Size Provisions shall follow standard County Code requirements governing tentative subdivision, parcel map and parcel map waiver applications. E. :Development applications designed and submitted pursuant to the Flexible Lot Size Provisions shall adhere to the development standards for the zoning district applicable to the property, except as modified below: 1. Determination of Allowable Density: Residential density is solely a function of the zoning district applicable to the land at the time development is proposed. The maximum number of residential lots or units of a development submitted under the Flexible Lot Size Provisions shall be calculated based on the zoning and acreage applicable to the land to be developed. 2. ,~j~imum Lot Sipe Requirement: Lot size is flexible and can be variable; however, the provisions of Butte County Code Section 24-75 shall apply as a 5 1 2 3 4 5 6 7 8 9 10 11 12 13 ~.4 15 16 17 18 19 20 21 22 23 24 25 26 minTmurn lot size provided the County's building code, sewage disposal, water supply, health and safety, fire safety, and other applicable regulations are met. 3. Subdivision Man Notation: Final Subdivision and parcel maps shall include a notation that stipulates that the parcels created under the provisions of this section cannot be further divided except remainder parcels in phased developments, as provided in sub-section H of this section. 4, Ri ' g Sethacks/Yard Area and Lot Dimension Recluirem~n~: Building setback and lot dmensian requirements are flexible, but under no circumstance shall setbacks from property lines be less than 5 feet. Lots maybe designed with building envelopes instead of conventional building setbacks. Building envelope areas must be delineated on the tentative and recorded subdivision maps. Lot areas outside of established building envelopes will not automatically require the establishment of open space easements. Depending upon the reason for the use of building envelopes, a conservation easement may be used or alternative management standards may be established. All site development shall be consistent with the County's fire safe requirements and Public Resources Code, Section 4290. 5. Street Design: Street improvements shall be governed by the following factors: a. Deviation from conventional road and sidewalk requirements maybe requested by the applicant. The decision making body may appzove deviations depending upon project design, site conditions, and other factors. s 1 2 3 4 v B 7 8 9 10 ~! 11 12 13 I4 15 16 17 18 19 2d 2]. 22 23 24 25 26 b. Streets maybe privately owned and maintained, or may be proposed for dedication to the County. c. All street design standard shall be approved for safety by the Director of Public Works and the County Fire Marshal. 6. Sewage DisposallPotable Water: a. Subdivisions creating less than 25 parcels shall meet the following standards: 1. Sewage disposal shall be by an individual system located on the parcel it serves and approved by the Butte County Environmental Heath Division. ii. Domestic water shall be provided by individual wells, as defined by Chapter 23 of the Butte County Code. Individual wells shall not be located in the open space area or on a common area parcel unless the applicant can show that water is not available in other locations and that impacts to sensitive or protected lands can be avoided or mitigated. b. Subdivisions creating 25 or more parcels may meet the following standards: I. The project may use a community sewage disposal system and community well, provided there is a Homeowners Association as the responsible maintenance entity. 7 1 2 3 4 5 6 7 8 9 la zi ].2 13 14 15 ii. Community facilities may be located on the open space parcel provided it can be located on suitable land that is not subject to physical or environmental constraints. Each request shall obtain tentative clearance from the Butte County Health Department, Environmental Health Division for the proposed lot sizes. Soil tests, drilling of test wells, or geologic reports may be required to provide evidence of sewage disposal capacity and domestic water availability. Minimum lot areas for septic systems must comply with Section 20-1.20.1. of the Butte County Subdivision Ordinance and appendix VII of the Improvement Standards for Subdivisions. F. Permitted i 1seslAccessn~rv i Fses: Except as noted herein, all land uses permitted in the applicable zoning district shall be permitted under the Flexible Lot Size Provisions. Where modifications in lot design standards have occurred, as provided for in this section, there may be limitations on certain permitted and accessory uses due to lot 16 1'7 18 19 20 2Z 22 23 24 2~ 26 coverage restrictions and/or setbacks prescribed in the applicable zoning district. Uses allowed in dedicated open space shall be limited as described in sub_section G. Exceptions: 1. Second Units: Second units are allowed in projects submitted under the Flexible Lot Size Provisions, where allowed by the underlying zoning district; provided however, that the total density allowed for the project is not exceeded. G. Open Space Requirements: The following requirements apply specifcally to areas identified as dedicated open space in Flexible Lot Size developments: 11 2 3 4 5 F 7 8 9 1.0 11 12 13 I4 15 is 17 18 19 20 21 22 23 24 25 26 1. Land Not Suitable for Development: Dedicated open space areas shall be designated for all land not suitable for development. Primary Areas must be avoided and reserved as permanent open space in all instances. In some instances, the decision making body may require that Secondary Areas or portions of Secondary Areas be avoided. In addition, other lands may be required to be in the designated open space to meet the minimum requirements of G.4 below or maybe included at the request of the applicant. a. Primary Areas 1. 100-year flood zones. 2. Wetlands, riparian areas and other sensitive biological habitats. 3. Unstable slopes. 4. Sensitive archaeological sites. b. Secondary Areas 1. Timber areas. 2. Scenic areas. 3. Historic areas. 4. Deer migration, established fawning and winter range areas. 5. Areas with a slope of 30% or greater. 6. Viablelimportant grazing lands. 2. n en n Space/Conservation Easement Rewired: Areas not designated for development shall be reserved as open space pursuant to this section. Open space shall be guaranteed in perpetuity using one or more of the following control mechanisms: 9 1 2 3 4 5 7 8 9 10 11 12 13 14 15 I6 1'7 18 19 20 23. 22 23 24 25 26 a. Dedication of a conservation (or open space) easement to the County, other public agency or a public interest land trust. b. Dedication of land in fee-title to the County or other public agency. c. A Development Agreement with deed restrictions or other appropriate mechanisms. The above mechanisms may be used separately or in combination with transfer of development credits, and density transfer covenants, as provided for in sub- section I. Remainder lots in phased developments identified as being reserved for potential future development are exempted from this requirement. {see sub section H). 3. (~nen .pace Management Plan Requii Ed: Public and private open space shall be maintained in accordance with an open space management plan acceptable to and approved by the County. Such plans shall, at a minimum, address the following: a. Grass and brush clearing for fire fuel management, as required by site conditions. b. Erosion control. c. Sewage disposal, water well, and stormwater drainage facilities, including ditches and detention basins, if proposed for the development. d. Other natural resource management activities and uses. 10 11 2 3 4~ 5 6 7 8 s 10 1.1 12 13 ~4 15 16 17 18 19 20 27. 22 23 24 25 26 4 5 Open space management plans shall include provisions for long-term maintenance of improvements and facilities that will not result in a fiscal impact on the County. (~nen mace Minimums: The amount of open space reserved in a project shall vary in accordance with the following provisions: a. For projects in zoning districts with a minimum lot size requirement of 5 acres or less, open space requirements shall be based solely on the constraining site features, as described in sub-section G-1. b. For projects in zoning districts with a mini~nuzn lot size requirement of greater than 5 and less than 40 acres, a minimum of 50 percent of the total project site shall be dedicated as permanent open space. The 50 percent open space dedication requirement does not apply in instances where there are no areas unsuitable for development (as described in sub-section G.1) and the subdivision design merely proposes a variety of lot sizes. c. Far projects in zoning districts with a minimum Iot size requirement of 40 to 160 acres, a minimum of 80 percent of the total project site shall be dedicated as permanent open space. Uses and activities within dedicated open space shall be compatible with open space land. Unless limited or restricted by a Conservation Easement, Development Agreement, conditions on the approved tentative Map, or other restricting mechanism, the following uses are permitted: 11 1 2 3' 4 i 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 a. Agriculture, including grazing and timber management, are permitted uses where allowed by the underlying zoning district. b. Uses requiring a Use Permit in the zone in which the land lies, provided a Use Permit is obtained from the Planning Commission. c. Resource conservation. d. Wildlife managerr~ent. e. Recreational activities compatible with the objectives of the Open Space Management Plan, as required by sub-section. G3. £ Community wells, community septic systems, community sewage disposal systems, and individual wells under certain circumstances. g. Pedestrian, bicycle, and equestrian trails. Public access is not regulated, but may be permitted subject to a public access easement being recorded. h. Other similar uses, as determined through the application review process. 6. ~ntig~ait~: To the maximum extent possible, on-site open space areas should be consolidated or linked, and not fragmented. This will facilitate wildlife movement, maintain functioning biological communities, and accommodate recreational opportunities. Open space connections to adjoining land beyond the project site should be anticipated and identified where practicable. 7. Access to Oven ~ ace: To the extent practicable, all residential lots shall have physical andlor visual contact with permanent open space. This is intended to facilitate surveillance, foster routine maintenance, and improve the quality of 12 i 2 3 4 5 6 7 8 9 1Q iz Z2 13 ~4 15 16 17 18 19 20 2~. 22 23 24 25 26 life of project residents through the integration of homesites into a permanent open space setting. 8. Trails: Where pedestrian, bicycle, andlor equestrian trails are constructed in dedicated open space areas, the following requirements shall apply: a. Environmentally sensitive areas shall not be impacted. b. Privacy of proposed an-site and existing off site residences shall not be intruded upon. c. Public access shall be permitted only where public access easements, consistent with an adopted trail master plan, have been acquired. H. Phased Development: Projects may be proposed for development in two or more phases. Remainder portions may be proposed and set aside far further developrent. In such instances, the following shall apply: 1. Land not proposed for immediate development shall be labeled "Remainder" on the subdivision map. 2. The acreage of the Remainder may only be included in the calculation of residential density of the developed area if a transfer of density {as addressed in sub-sections G.7 and 1) has been approved. 3. When development of the Remainder portion is proposed, a subdivision application may be Eled as a conventional development, Planned Unit Development {PUD}, or Flexible Lot Size development. 4. Residential density transfers shall also include lands set aside as permanent open space. 13 11 2 3 4 5 6 7 8 9 1a I1 12' 13 14 15 16 17 1s 1s 2a 2L 22 23 24 25 26 5. Where phasing is proposed, open space proposed for the entire development area shall either be developed or guaranteed in proportion to the number of dwelling units proposed on a phase-by-phase basis. 6. Under no circumstances shall phased development result in higher residential density than is otherwise permitted by the zoning district. I. Development Credit/Density Transfer 1. Development credits or density znay be transferred within parcels, across parcel lines of contiguous parcels, and from non-contiguous lands that are part of a single development proposal. 2. All development credit transfers shall be specified and governed by a development agreement or other suitable instrument between the developer, applicable sending site landowner, and the County. SECTION 2. Section 24-95.10 is hereby amended to read as follows: §24-95.10 AR THROUGH AR-10 SYTE REQUIREMENTS A. Areas and setbacks listed in the following table are minimum requirements unless otherwise stated or provided for in B, below. Zone District Lot Area Lot Front Side Rear Yard Width Yard Yard Setback Setback Setback AR See 65' 20'* 5' S' Section 24-75 14 1 2 3 4 5 s 7 8 9 10 Z1 12 13 14 15 16 17 18 19 20 23. 22 23 24 2~ 28 AR-112 %2 acre 65' 20'* 5' S' AR-1 1 acre 130' 20'* 10' 10' AR-2.5 2.5 acres 130' 20'* 10' 10' AR~S 5 acres 130' 20'* 10' 10' AR-10 10 acres 130' 20'* 10' X O' *Minimum front yard setback shall be twenty (20} feet from the edge of the ultimate right- of-way from all public or private roads except where the road is classified as a Federal Aid Road, in which case the setback shall betwenty-five (25) feet from the edge of the ultimate right-of--way. B. Flexible Lot Size Provisions: 1n the AR-1 through AR-14 zone districts land divisions may be designed and processed in accordance with the Flexible lot size provisions of Section 24-$2. In such instances, the site requirements described for this zoning district shall not apply. Land division applications proposing to use the provisions of Section 24-$2, shall be so identified. SECTION 3. Section 24-110.14 is hereby amended to read as follows: §24-110.10 FR-1 THROUGH FR-1S0 SITE REQUIREMENTS A. Areas and setbacks listed in the following table are minimum requirements unless otherwise stated or provided for in B, below. Zone District Lot Area Lot Front Side Rear Width Yard Yard Yard Setback Setback Setback 15 11 2 3 4 5 6 7 8 9 ~.0 iZ Z2 I3 1.4 15 is i~ 18 19 20 2Z 22 23 24 2S 26 FR-1 1 acre 220'* 20'** 5' S' FR-2 2 acres 220'* 20'** 5' S' FR-3 3 acres 220'* 20'** 5' S' FR-5 5 acres 220'* 20'** 10' 10' FR-10 10 acres 220'* 20'** 10' 10' FR-20 20 acres 220'* 20'** 25' S4' FR-40 40 acres 220'* 20'** 25' S0' FR-160 160 acres 220'* 20'** 25' S0' * Lot width: Minimum required lot width shall not be less than two hundred twenty (220) feet; except when adjoining a major road or creek, the minimum frontage shall not be less than three hundred (300) feet. ** Front yard setback: Minimum front yard setback shall be twenty (20} feet from the edge of the ultimate right-of--way from all public or private roads except where the road is classified as a Federal Aid Road, in which case the setback shall be twenty-five (25) feet from the edge of the ultimateright-of--way. B. Flexible Lot Size Provisions: In the FR-1 through FR-160 zone districts land divisions maybe designed and processed in accordance with the Flexible lot size provisions of Section 2~-82. In such instances, the site requirements described far this zonuig district shall riot apply. Land division applications proposing to use the provisions of Section 24-82, shall be so identified. SECTION 4. Mountain Recreation Zone, Section 24-115 F. 5. is hereby added in its entirety as follows: 16 2 3 4 5 B 7 8 9 ~0 ~ 11 12 13 I4 '~, 15 16 i7 ~8 19 20 2I 22 23 24 25 26 §24-115 F. 5. Flexible T.ot Size Provisions: Land divisions may be designed and processed in accordance with the Flexible lot size provisions of Section 24-82. In such instances, the site requirements described for this zoning district shall not apply. Land division applications proposing to use the provisions of Section 24-$2, shall be so identifed. SECTZ~N 5. Section 24-130.10 is hereby amended to read as follows: §24-130.14 RT-1 THROUGH RT-lA SITE REQUIREMENTS A. Areas and setbacks listed in the following table are minirnurr~ requirements unless otherwise stated or provided for in B, below. Zone District Lot Area Lot Width Front Yard Setback Side Yard Setback Rear Yard Setback RT-1 See Section 2475 65' 20'* 5' S' RT-112 % acre 65' 20'* S' S' RT-lA 1 acre 65' 20'* 5' S` * Front. yard. setback: Minimum front yard setback shall be twenty (20) feet from the edge of the ultimate right-of way from all public or private roads except where the road is classified as a Federal Aid Road, in which case the setback shall be twenty-five {25) feet from the edge of the ultimate right-of way. 17 1 2 3 4 5 6 7 8 9 10 I ]. 12 1~ 14 15' 16 17' 18 19 20 21 22 23 24 25 26 B. Flexible T.nt Size Provisions: In the RT-1A zone districts land divisions maybe designed and processed in accordance with the Flexible lot size provisions of Section 2~4-82. In such instances, the site requirements described for this zoning district shall not apply. Land division applications proposing to use the provisions of Section 24- 82, shall be so identified. SECTION 6. Section 24-135.10 is hereby amendment to read as follows: §24-135.14 SR THROUGH SR-S SITE REQUIREMENTS A. Areas and setbacks listed in the following table are minimum requiaements unless otherwise stated or provided for in B, below. Zone District Lot Area Lot Width Front Yard Setback Side Yard Setback Rear Yard Setback SR See Section 24-75 65' 20'* 5' S' SR-112 %z acre 65' 20'* S' S' SR-1 1 acre 130' 20'* 5' S' SR-3 3 acres 130' 20'* 10' 10' SR-5 5 acres i30' 20'* - 10' 10' * Front yard setback: Minimum front yard setback shall be twenty (20) feet from the edge of the ultimate right-of--way from all public or private roads except where the road is 18 1 2 3 4 5 6 7 8 9 la Z1 12 13 14 15 16 17 18 19 2Q 21 22 23 24 25 26 classified as a Federal Aid Road, in which case the setback shall be twenty-five (25) feet from the edge of the ultimate right-of-way. B. Flexible Lot Size Provisions: In the SR-I through SR-S zone districts land divisions may be designed and processed in accordance with the Flexible lot size provisions of Section 24-82. In such instances, the site requirements described for this zoning district shall not apply. Land division applications proposing to use the provisions of Section 24-82, shall be so identified. SECTION 7. Section 24-190.10 is hereby amendment to read as follows: §24-190.10 TM-1 THROUGH TM-160 SITE REQUIREMENTS A. Areas and setbacks listed in the following table are minimum requirements unless otherwise stated or provided for in B, below. Zane District Lot area Minimu m Lot Width Front Yard Setback Side Yard Setback Rear Yard Setback TM-1 1 acre 65' 20'* 5' S' TM-2 2 acres 6S' 20'* 5' S' TM-2.5 2.5 acres 65' 20'* 5' 5' TM-3 3 acres 65' 20'* 10' 10' TM-5 5 acres 65' 24'* 10' 10' TM-10 10 acres 6S' 20'* 10' 10' TM-20 20 acres 65' 20'* 25' 50' 19 1 2 3! 4 5 6 7 8 9' to Z~ 12 ~.3 14 15 16 7.7 ~.8 19 20 21 22 23 24 25 26 TM-40 40 acres 65' 20'* 25' S0' TM-1.60 1.60 acres 65' 20'* 25' SO' * Front yard setback: Minimum front yard setback shall be twenty (20) feet from the edge of the ultimate right-of--way from all public or private roads except where the road is classified as a Federal Aid Road, in which case the setback shall be twenty-five (25) feet from the edge of the ultimate right-off way. B. Flexible Lot Size Provisions: In the TM-1 through TM~160 zone districts land divisions may be designed and processed in accordance with the Flexible lot size provisions of Section 24-82. In such instances, the site requirements described for this zoning district shall nat apply. Land division applications proposing to use the provisions of Section 24-82, shall be so identified. SECTION S. Section 24-230, U -Unclassified Zone, is hereby arr~endment to add the following paragraph: §24-230 H.3. Flexible Lot Size Provisions: Land Divisions may be designed and processed in accordance with the Flexible lot size provisions of Section 24-82. In such instances, the density allowed shall not exceed that specified by the General Plan Land Use Element or 1 dwelling unit per 20 acres, whichever is less. Land division applications proposing to use the provisions of Section 24-82; shall be so identified. SECTION 9. Section 24-235.10 is hereby amended to read as follows: A. LandT lse]se 20 1 2 3 4 5 6 7 8 9 10 ~1 12 13 14 15 16 1'7 18 19 2d 21 22 23 24 25 2s 1. Current lot or parcel sizes in the Firhaven Creek Watershed shall be stringently maintained. No further division of lots or parcels shall be permitted. 2. Current zoning shall be maintained within the Magalia Reservoir, Paradise Reservoir and Fiarhaven Creek Watershed. Consideration of zoning proposals to a larger minimum parcel size is allowed. 3. No change in zoning shall be made and no use permit shall be issued unless and until the individual and cumulative impact of additional sewage disposal and surface water runoff created by new development which such zone change or use permit might allow can be proven to the approving authority by the applicant(s) to have no adverse effects upon the water quality of the watershed. 4. Notwithstanding the permitting requirements in any zone district which underlies the Watershed Protection Zone, a Second Dwelling Unit pursuant to Section 24-280 shall require a Use Permit within the boundary of the Watershed Protection Zone. 5. Notwithstanding the provisions of any zone district which underlies the Watershed Protection Zone, the use of the Flexible Lot Size Provisions in Section 24-82 shall not be allowed within the boundary of the Watershed Protection Zone. SECTION 10. Section 24305.99 is hereby added iri its entirety. Density -Residential density is the number of dwelling units per acre when 1 or more dwellings would be permitted on an acre (e.g., 4 dwellings/acre). When more than 1 acre is required per dwelling, density is expressed as the number of acres per dwelling (e.g., 5 21 1 21 3 4 5 6 7; 8 9 14 ~1 12 13 14 15 1$ 1'7 1S is 24 21 22 23 24 25 26 acresldwelling or 1 dwelling per 5 acres). Density can be expressed as "gross density" or "net density", as defined below: Gross density -the number of dwelling units divided by the total area of a parcel or project, inclusive of all easements and rights-of--way. Net density -the number of dwellings per acre, where the site area used in the calculation does not include access easements, rights-of--way, land dedicated to and accepted by a public agency, or the surface area of any water body. Net density shall be used when, as allowed by Zoning, a proj ect proposes more than 1 dwelling per acre. SECTION 11. This Ordinance shall be and it is hereby declared to be in full force and effect from and after thirty (34) days after the date of its passage, and before the expiration of fifteen (15) days after its passage, this Ordinance shall be published once with the names of the mezr~bers of the Board of Supervisors voting for and against it in the Oroville Mercury, a newspaper published in the County of Butte, State of California. PASSED AND ADOPTED by the Board of Supervisors of the County of Butte, State of California, on the 12th day of October, 1999, by the following vote: AYES: Supervisors feeler, Houx, Josiassen, Davis and Chair Dolan NOES: None ABSENT: None NOT VOTING: None r~~ DOLA~1, CbL4Ilt County Board of Supervisors 22 1 2 ATTEST: rOHN S. BLACKLOCK, Chief Administrative 3 Officer and Clerk of the Board 4 ..By 5 Deputy s 7 s 9 14 lI 12 13 14 15 is 17 18 19 20 21 22 23 24 25 26 23