Article 11 Environmental Standards
11-32 Smith Creek Water Supply Watershed
Wake County Unified Development Code
11-12
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