§ 151.17 CRITICAL AREA (WS-IV-CA); YADKIN RIVER WATERSHED.
   (A)   Application. Only new development activities that require an erosion/sedimentation control plan under state law or approved local program are required to meet the provisions of these watershed regulations when located in a WS-IV watershed.
   (B)   Permitted uses.
      (1)   All uses allowed in the underlying zoning districts where the watershed is located, unless specially excluded in division (C) below;
      (2)   Agriculture subject to the provisions of the Food Security Act of 1985, 16 U.S.C. §§ 3801 et seq.. Agricultural activities conducted after January 1, 1993 shall maintain a minimum ten-foot vegetative buffer, or equivalent control as determined by the Soil and Water Conservation Commission, along all perennial waters indicated on the most recent versions of USGS 1:24,000 (7.5 minutes) scale topographic maps or as determined by local government studies. Animal operations greater than 100 animal units shall employ BMPs by July 1, 1994 recommended by the Soil and Water Conservation Commission; and
      (3)   Silviculture, using best management practices required to implement the provisions of the Forest Practices Guidelines Related to Water Quality (15A NCAC 01l.0101 through 15A 01l.0209).
   (C)   Prohibited uses. The Water Supply Watershed Protection Rules specifically exclude the following uses in designated drinking water supply watersheds:
      (1)   New landfills;
      (2)   Sites for land application of sludge/residuals or petroleum contaminated soils; and
      (3)   The storage of hazardous materials unless a spill containment plan is implemented.
   (D)   Density and built-upon limits.
      (1)   Single-family residential development shall not exceed one dwelling unit per one-half acre; and
      (2)   All other residential and nonresidential development shall not exceed 24% built-upon area on a project-by-project basis. For purposes of calculating the built-upon area, total project area shall include total acreage in the tract on which the project is to be developed.
(1996 Code, § 151.23) (Ord. passed 12-20-1993) Penalty, see § 10.99