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74 <br /> Watershed Orange County Density Limits — Residential State Allowances <br /> Overlay District <br /> Upper Eno — 1 dwelling unit for every 2 acres of property. Low Density Option: 1 dwelling unit for every 2 <br /> Critical 6 acres of property.Minimum lot size for single-family <br /> residential development is 80,000 sq.ft. except in a <br /> (STATE cluster subdivision. <br /> Classified WS-II <br /> Watershed Area) High Density Option: Appears to be same density <br /> limit(s)with an allowance for more impervious <br /> surface area. <br /> Upper Eno — Based on underlying zoning designation Low Density Option: 1 dwelling unit for every acre <br /> Protected 7, 8 Structural Best Management Practices (i.e. of property with an impervious surface limit of 12%. <br /> (STATE stormwater features)are required when density High Density Option9: If new development exceeds <br /> Classified WS-II exceeds 1 dwelling unit per acre. low density option, engineered stormwater controls <br /> Balance of required with development limited to either 24% to <br /> Watershed Area) 30% impervious surface area <br /> A maximum of 10% of the watershed outside of a <br /> Critical Area can be developed up to 70% <br /> impervious with a structural BMP. <br /> Little River — 1 dwelling unit for every 2 acres of property. SAME AS UPPER ENO PROTECTED ABOVE <br /> Protected <br /> (STATE <br /> Classified WS-II <br /> Balance of <br /> Watershed Area) <br /> Back Creek — Based on underlying zoning designation SAME AS UPPER ENO PROTECTED ABOVE <br /> Protected <br /> (STATE <br /> Classified WS-II <br /> Balance <br /> Watershed Area) <br /> Flat River — Based on underlying zoning designation 1 dwelling unit for every half acre of property. <br /> Protected <br /> (STATE <br /> Classified WS-III <br /> Watershed Area) <br /> 6 The Upper Eno Critical Watershed recognized by Orange County is larger than the State's defined critical area. <br /> Per Section 4.2.4 and 4.2.5 of the UDO a structural BMP is required in some cases where density exceeds 1 <br /> dwelling unit per acre. <br /> 8 The County chose to institute the High Density Option within the Upper Eno Protected Watershed Protection <br /> Overlay District. <br /> 9 There are portions of the Upper Eno Protected Watershed where the High Density Option,as detailed under <br /> State allowances, is utilized. <br />