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~~ <br />_.. V...y f..' <br />1. Residential Devel opment <br />Amended 1 /4/94 <br />DISTRICT IMPERVIOUS SURFACE/DETENTION POND <br /> REQUIREMENTS (RESIDENTIAL) <br />UNIV-CA 6% impervious surface limit. <br />UNIV-PW EXCEPT for all lots which existed prior to 4/2/90, <br /> which are subject to impervious surface limits as <br /> provided in the following Table (entitled Sliding Scale <br /> for Residential Impervious Surface Ratios). <br /> * BIvIPs cannot be used to satisfy watershed <br /> impervious surface requirements. <br />CANE-CA 6% impervious surface limit. <br />CANE-PW EXCEPT for lots smaller than two acres which existed <br />U-ENO-CA prior to 1/1/94, which are subject to impervious <br /> surface limits as provided in the following Table <br /> (entitled Sliding Scale for Residential Impervious <br /> Surface Ratios). <br /> * BIvIPs cannot be used to satisfy watershed <br /> impervious surface requirements. <br />LITTLE-PW 6% impervious surface limit. <br />. EXCEPT for lots which existed prior to 1/1/94, which <br /> are subject to impervious surface limits as provided in <br /> the following Table (entitled Sliding Scale for <br /> Residential Impervious Surface Ratios). <br /> * BIVIPs cannot be used to satisfy watershed <br /> impervious surface requirements. <br />FLAT-PW 12% impervious surface limit for new and existing <br />HYCO-PW lots. <br /> * BMPs cannot be used to satisfy watershed <br /> impervious surface requirements. <br />U-ENO-PW 12% impervious surface limit for existing and new lots <br />BACK-PW outside of Transition Areas as designated in the <br /> Orange County Land Use Plan. <br /> * BIvlps cannot be used to satisfy watershed <br /> impervious surface requirements. <br /> 30% impervious surface limit for developments which <br /> exceed a density 1 du/acre within Transition Areas as <br /> designated in the Orange County Land Use Plan. <br /> Structural BMPs are required if impervious surface <br /> exceeds 12%. <br />* BMP's as mandated by the St°rmwater Managem ent Program for Lands within the Meuse River Basin are allowed. <br />