Except for monitoring wells installed to assess the extent of contamination, all wells shall be located as follows:
(1) Wells supplied by aquifers whose top is less than 100 feet deep may be located no closer than 150 feet horizontally from a pollution source, 75 feet horizontally from wastewater system components, or 30 feet horizontally from sewer lines as defined by subdivision 74:02:04:20(46);(2) Wells supplied by aquifers whose top is more than 100 feet deep may be located no closer than 100 feet horizontally from a pollution source, 50 feet horizontally from wastewater system components, or 30 feet horizontally from sewer lines as defined by subdivision 74:02:04:20(46);(3) No well constructed to supply water to water distribution systems as defined by SDCL 46-1-6(17) may be located any closer than:(a) Five hundred feet horizontally from a wastewater treatment plant, wastewater pumping station, hazardous chemical warehouse, bulk petroleum storage facility, bulk fertilizer storage facility, or bulk pesticide storage facility; and(b) One thousand feet horizontally from a sanitary landfill or dump, wastewater drainage ditch, or wastewater stabilization pond; and(4) All wells shall be located a minimum of 10 feet horizontally from permanent structures and overhead projections of the structure and 10 feet horizontally from overhead power lines. Spacing for wells for which water permits are required may be determined individually by the water management board.
Small removable structures or pump houses with roof access may be built over a well.
S.D. Admin. R. 74:02:04:24
12 SDR 50, effective 9/29/1985; 13 SDR 129, 13 SDR 141, effective 7/1/1987; 18 SDR 224, effective 7/16/1992.General Authority: SDCL 34A-2-12, 34A-2-93, 46-2-5, 46-6-20, 46-6-27.
Law Implemented: SDCL 34A-2-12, 34A-2-21, 46-6-6.1, 46-6-20, 46-6-27.