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11'~, <br />1. Residential Development <br />Amended 1/4/94 <br />DISTRICT IMPERVIOUS SURFACE/DETENTION POND <br /> REQUIREMENTS <br /> (RESIDENTIAL) <br />U1VIV-CA 6% impervious surface limit. <br />LTNIV-p W EXCEPT for all lots which existed prior to 4/2/90, which <br /> are subject to impervious surface limits as provided in the <br /> following Table (entitled Sliding Scale for Residential <br /> Impervious Surface Ratios). <br /> BMPs cannot be used to satisfy watershed requirements. <br />CANE-CA 6% impervious surface limit. <br />CAE-p`1~J EXCEPT for lots smaller than two acres which existed prior <br /> to 1!1/94, which are subject to impervious surface limits as <br /> provided in the following Table (entitled Sliding Scale for <br /> Residential Impervious Surface Ratios). <br /> BMPs cannot be used to satisfy watershed requirements. <br />LITTLE-PW 6% impervious surface limit. <br /> EXCEPT for lots which existed prior to 1/1/94, which are <br /> subject to impervious surface limits as provided in the <br /> following Table (entitled Sliding Scale for Residential <br /> Impervious Surface Ratios). <br /> BMPs cannot be used to satisfy watershed requirements. <br />U-ENO-CA 6% impervious surface limit. <br />U-ENO-PW EXCEPT for lots which existed prior to .which are <br /> subject to impervious surface limits as provided in the <br /> following Table (entitled Sliding Scale for Residential <br /> Impervious Surface Ratios <br /> EXCEPT for areas identified as transition areas in <br /> Comprehensive Plan. (see block below) <br /> BMPs cannot be used to satisfy watershed <br /> requirements. <br />U-ENO-PW- Transition Area 12% impervious surface limit for existing and new lots <br />BACK-PW outside of Transition Areas as designated in the Orange. <br />- County Land Use Plan. BMPs cannot be used to satisfy <br /> watershed requirements. <br /> 30% impervious surface limit fordevelopments which <br /> exceed a density 1 du/acre within Transition Areas as <br /> designated in the Orange County Land Use Plan. Structural <br /> BMPs are required if impervious surface exceeds 12%. <br />FLAT-PW 12% impervious surface limit for new and existing lots. <br />HYCO-PW BMPs cannot be used to satisfy watershed requirements. <br />