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62 Article 4: Overlay Zoning Districts <br /> Section 4.2:Watershed Protection <br /> SLIDING •- RESIDENTIAL IMPERVIOUS RATIOS <br /> UNIV,CANE, LITTLE,AND UPPER • <br /> SQUARE LOT SIZE(ACRES) ISR • <br /> Cells in black DO NOT apply to the Upper Eno <br /> 3.2 9.6 13,382 0.2 15.6 1,359 <br /> 4.2.6 Impervious Surface, Detention Pond, and Lot Size Requirements for Non-Residential Uses <br /> Unless otherwise noted in the Table below, minimum lot sizes shall be in conformance with the <br /> underlying zoning district. <br /> TABLE 4.2.6: IMPERVIOUS SURFACEMETENTION POND . <br /> DISTRICT IMPERVIOUS SURFACE/DETENTION POND REQUIREMENTS(NON-RESIDENTIAL) <br /> UNIV-CA Same as Residential(See Table in subsection 4.2.5) <br /> UNIV-PW <br /> 5-acre minimum lot size,with potential of up to five lots as small as two acres for lots of record October 19, 1999; <br /> CANE-CA AND <br /> 6%impervious surface limit. <br /> [11 BMPs cannot be used to satisfy watershed impervious surface requirements. <br /> U-ENO-CA 2-acre minimum lot size AND <br /> 6%impervious surface limit. <br /> 5-acre minimum lot size with potential of up to five lots as small as two acres for lots of record October 19, 1999 <br /> (Amended 10-19-99); AND <br /> 50%ISR for all fire stations and solid waste collection centers;AND <br /> CANE-PW 12% ISR for all other non-residential uses;AND <br /> on-site infiltration of the first inch of stormwater runoff;AND <br /> a limit of 1.0%of the watershed for non-residential use(139 acres in CANE-PW). <br /> [11 BMPs cannot be used to satisfy watershed impervious surface requirements. <br /> 2-acre minimum lot size AND <br /> 50% ISR for all fire stations and solid waste collection centers;AND <br /> LITTLE-PW 12% ISR for all other non-residential uses; AND <br /> on-site infiltration of the first inch of stormwater,runoff;AND <br /> a limit of 1.0%of the watershed for non-residential use( c es n LITTLE-F':,,/)72 <br /> [11 BMPs cannot be used to satisfy watershed impervious surface requirements. <br /> 72 This is an error that has existed in the regulations since Watershed Protection Overlay Districts were adopted. <br /> Little River Protected Watershed(within Orange County)contains 40,603 acres. 1%if this land area is 406 acres. <br /> Orange County,North Carolina—Unified Development Ordinance Page 4-8 <br />