Secondary and Cumulative Impacts Master Management Plan - 2014

Article 11 Environmental Standards 11-32 Smith Creek Water Supply Watershed

11-32

Smith Creek Water Supply Watershed

11-32-1 General Requirements (A) All residential and commercial properties require a preliminary site plan prepared by a licensed professional land surveyor, landscape architect, architect or engineer effective July 2, 2001. (B) An as-built plan prepared by a professional land surveyor is required for all lots before a Certificate of Occupancy may be issued. 11-32-2 Lot Sizes (A) The minimum lot size for all residential lots in the Smith Creek Water Supply Watershed is 40,000 square feet per dwelling unit. (B) The minimum lot size for all nonresidential lots in the Smith Creek Water Supply Watershed is 40,000 square feet plus 40,000 square feet for each additional 1,250 gallons per day or portion thereof of anticipated wastewater generated in excess of 1,250 gallons per day. 11-32-3 Impervious Surface Ratios The following maximum impervious surface ratios apply to all nonresidential development in the Smith Creek Water Supply Watershed: Zoning District Maximum Nonresidential Impervious Surface Ratio (% of lot/site) R-80W 6 R-40W 12

Wake County Unified Development Code 11-12