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Watershed <br />Impervious Surface Limits — <br />Impervious Surface Limits — <br />State Allowances <br />Overlay District <br />Residential <br />Non - residential <br />11 <br />Lower Eno — <br />24% for project with curb and <br />70 %, with a BMP required when <br />Low Density Option: <br />Protected <br />gutter <br />an impervious surface exceeds: <br />• Density limit of 2 dwelling units <br />(STATE <br />36% for project without curb <br />24% for project with curb and <br />per acre or 20,000 square foot <br />Classified WS -IV <br />and gutter <br />gutter <br />minimum lot excluding roadway <br />Watershed Area) <br />70% for residential land uses <br />OR <br />right -of -way <br />developed at `high densities' <br />36% for project without curb and <br />OR <br />(R -5, R -8, R -13). A BMP shall <br />be required in this scenario <br />gutter <br />. 24% impervious surface limit for <br />residential /non - residential <br />Density in this area is based on <br />development <br />underlying general use zoning <br />designation <br />OR <br />• 3 dwelling units per acre <br />OR <br />• 36% impervious surface limit for <br />residential /non - residential <br />development without curb and <br />gutter street systems <br />High Density Option: <br />If new development exceeds low <br />density option, engineered <br />stormwater controls required with <br />development limited to 70% <br />impervious surface area. <br />Jordan Lake — <br />24% <br />24% <br />SAME AS ABOVE <br />Protected <br />Density in this area is based on <br />(STATE <br />underlying general use zoning <br />Classified WS -IV <br />designation <br />Watershed Area) <br />Haw River — <br />24% <br />24% <br />SAME AS ABOVE <br />Protected <br />Density in this area is based on <br />(STATE <br />underlying general use zoning <br />Classified WS -IV <br />designation <br />Watershed Area) <br />