Sec. 6-102. Definitions.
   ARSD. Administrative Rules of South Dakota.
   Best Management Practices (BMPs).Schedules of activities, prohibitions of practices, maintenance procedures, and other management practices to prevent or reduce the discharge of pollutants to waters of the state. BMPs also include treatment requirements, operating procedures, and practices to control plant site runoff, spillage or leaks, sludge or waste disposal, or drainage from raw material storage.
   Clearing. Any activity that removes the vegetative surface cover.
   Drainage way. Any channel that conveys surface runoff throughout the site.
   Grading and Erosion Control Plan (GECP). A set of plans indicating the specific measures and sequencing used to control sediment and erosion on a construction site. (Required for all sites ½ acre or greater.)
   Grading permit. A permit issued by the City of Spearfish for construction, excavating, clearing, and/or any land disturbing activity.
   Land disturbance/disturbing activity. Any type of activity that involves grading, clearing, and/or moving topsoil, rock, or any other natural surface from property. This also includes bringing fill material onto the site.
   Notice of Stabilization/Re-Vegetation Agreement. A signed agreement between a property buyer and property seller or a building contractor and property buyer where landscaping and re-vegetation will be required. This agreement determines responsibilities between the two parties for sediment and erosion control on the site.
   Perimeter controls. Erosion control measures which protect neighboring properties from non-storm water discharges.
   SD DENR. South Dakota Department of Environment and Natural Resources.
    Stabilization. The use of permanent or temporary landscape practices that prevent exposed soils from eroding including, but not limited to, grass, trees, sod, mulch, or other materials which prevent erosion and retain moisture.
   Storm Water Pollution Prevention Plan (SWPPP). Required by SD DENR for Storm Water permit for construction areas disturbing more than one (1) acre or industrial activities having a Standard Industrial Code (SIC) between 20-39.
   Watercourse. Any body of water including, but not limited to, lakes, ponds, streams and other bodies of water delineated by the City of Spearfish.
   Waterway. A channel that directs surface runoff to a watercourse or to a public storm drain.
   Waters of the state. All waters within the jurisdiction of this state, including all streams, lakes, ponds, impounding reservoirs, marshes, watercourses, waterways, wells, springs, irrigation systems, drainage systems, and all other bodies or accumulations of water, surface or underground, natural or artificial, public or private, situated wholly or partly within or bordering upon the state, but not waste treatment systems, including treatment ponds or lagoons designed to meet the requirements of the CWA (Clean Water Act) other than cooling ponds as defined by the Code of Federal Regulations.
(Ord. No. 1049, 2-20-07; Ord. No. 1148, 11-21-11; Ord. No. 1298, 2-4-19)