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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 />8 <br />Upper Eno — <br />12% for properties outside of <br />70 % in Economic Development, <br />Low Density Option: <br />Protected 6, ' <br />Transition Areas <br />Commercial, and Commercial <br />Industrial Transition Activity Nodes <br />6% limit with minimum lot size <br />(STATE <br />° <br />30 /° for properties located <br />with development of a BMP. <br />of 1 acre <br />Classified WS -II <br />within Transition Areas where <br />OR <br />Watershed Area) <br />density exceeds 1 dwelling unit <br />50% for all fire stations /solid waste <br />per acre <br />p <br />collection centers outside of these <br />12% limit with minimum lot size <br />70% for residential land uses <br />Activity Nodes with development of <br />of 2 acres <br />developed at 'high densities' <br />p g <br />a BMP <br />High Density Option: <br />(R -5, R -8, R -13). A BMP shall <br />12% for all other non - residential <br />be required in this scenario <br />development outside of Activity <br />If new development exceeds low <br />Nodes. <br />density option, engineered <br />Density in this area is based on <br />stormwater controls required with <br />underlying general use zoning <br />development limited to either 24% <br />designation <br />to 30% impervious surface area <br />A maximum of 10% of the <br />watershed outside of a Critical <br />Area can be developed up to 70% <br />impervious with a structural BMP. <br />Upper Eno — <br />6% <br />6% limit <br />SAME AS ABOVE <br />Critical $ <br />Density in this area is limited to <br />2 acre minimum lot size <br />(STATE <br />1 dwelling unit for every 2 acres <br />Classified WS -II <br />of property. <br />Watershed Area) <br />Lots smaller than 5 acres <br />existing prior to 6/1/2010 <br />subject to sliding scale — See <br />Section 4.2.5.2 of UDO <br />Little River — <br />6% <br />2 acre minimum lot size <br />SAME AS ABOVE <br />Protected <br />Lots existing prior to January 1, <br />50% for all fire stations /solid waste <br />(STATE <br />1994 subject to sliding scale — <br />collection centers outside of these <br />Classified WS -II <br />See Section 4.2.5.2 of UDO <br />Activity Nodes with development of <br />Watershed Area) <br />a BMP <br />Density in this area is limited to <br />12% for all other non - residential <br />1 dwelling unit for every 2 acres <br />development. <br />of property. <br />6 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 />7 The County chose to institute the High Density Option within the Upper Eno Protected Watershed Protection <br />Overlay District. <br />8 The County's Upper Eno Critical Watershed Overlay District is larger than the State recognized critical area. <br />