S.D. Admin. R. 74:02:04:27
The top of the well casing may not terminate in a pit, room, or space that is located below the established ground surface. The top of the well casing or pitless adapter barrel, excluding the well cap or the pitless unit or pitless adapter cap, shall terminate at least 12 inches above the ground surface or pumphouse floor and at least 24 inches above the high-water level where flooding occurs. A pitless unit or pitless adapter with an underground discharge may be used. Positive surface drainage in all directions away from the well shall be provided with a slope of at least one-fourth inch per foot for a distance of at least 10 feet. The well shall be located at least 10 feet from a pit, room, and other below-ground surface space used to locate a pressure tank, pump, and well control equipment. When existing wells located in pits are rehabilitated, the pit shall be eliminated.
S.D. Admin. R. 74:02:04:27
General Authority: SDCL 46-2-5, 46-6-20, 46-6-27.
Law Implemented: SDCL 46-6-20, 46-6-27.