Secondary and Cumulative Impacts Master Management Plan - 2014

Article 3 Zoning Districts 3-74 WSO, Water Supply Watershed Overlay District

adopted joint land use plan, to an underlying district that does not apply appropriate watershed protection standards.

(2) WSO-4P-2 The WSO-4P-2 subdistrict includes land in the protected area of a water supply watershed classified WS-IV — other than the Falls Lake watershed (e.g., the Jordan Lake, Cape Fear (Lillington), Cape Fear (Sanford) and Upper Neuse River/Richland Creek watersheds) — that: (a) has been, or is committed to being, developed with basin-wide or other large- area stormwater management systems with lakes and detention facilities that provide protection of water quality beyond that provided by limiting the impervious surface coverage of individual developments; and (b) makes up no more than 10% of the total land area of that portion of the wa tershed outside of its critical area and within the county’s zoning jurisdiction as of July 1, 1995. 3-74-4 Exemptions Existing development is not subject to the requirements of Sec. 3-74; existing development must be considered to be any impervious surfaces created, or for which a vested right has been established, as of December 31, 1993. Redevelopment and expansions of any existing development are subject to the requirements of this section; however, the impervious surface coverage of the existing development is not required to be included when applying the impervious surface coverage limits of this section. The land area to which this section’s imperv ious surface coverage limits are applied is the total area of a parcel minus the area of impervious surfaces existing or vested as of December 31, 1993. 3-74-5 General Standards All development within WSO overlay districts must, to the maximum extent practicable, minimize impervious or partially pervious surface coverage, direct stormwater away from surface waters, incorporate Best Management Practices (BMPs) to minimize water quality impacts, and transport stormwater runoff from the development by vegetated conveyances. 3-74-6 Allowed Uses Principal uses are allowed in all WSO overlay districts in accordance with the use regulations of the underlying base zoning district. 3-74-7 Lot and Building Standards (A) General The use and development of land or structures within all WSO overlay districts must comply with the use and development regulations applicable to the underlying zoning district, except that the standards of this subsection apply whenever they are more restrictive than those of the underlying zoning district. (B) WSO-2NC, WSO-3CA and WSO-3NC Districts Development within WSO-2NC, WSO-3CA and WSO-3NC overlay districts must comply with the following standards whenever they are more restrictive than those of the underlying zoning district.

Wake County Unified Development Code 3-56