S.D. Admin. R. 74:02:04:32
Current through Register Vol. 51, page 67, December 16, 2024
Hard rock wells are defined as wells that do not require casing throughout their entire depth. Hard rock is defined as Precambrian aged rock and igneous or metamorphic rock. The well casing of hard rock wells shall be pressure grouted with cement grout from the bottom of the casing to the ground surface or to the bottom of a pitless adapter or pitless unit, if used. The minimum allowable casing length is 20 feet. If a pitless adapter or pitless unit is used, at least 20 feet of casing must be installed below the pitless adapter or pitless unit.
See Appendix E at the end of this chapter.
S.D. Admin. R. 74:02:04:32
General Authority: SDCL 46-2-5, 46-6-20, 46-6-27.
Law Implemented: SDCL 46-6-6.1, 46-6-10, 46-6-20, 46-6-27.