36.21.679    DRY OR INADEOUATE WELL HOLES

(1) Water wells which have been constructed and do not provide an adequate supply of water for the use for which they were drilled (dry hole) are not to be considered completed until the well driller either:

(a) removes the casing and fills the hole with cement grout, concrete, or bentonite clay grout; or

(b) constructs the well in accordance with minimum well construction standards and welds a 0.25-inch thick steel plate fully covering the top of the casing providing a watertight seal.

(2) A water well log report must be completed and filed with each dry hole, as per ARM 36.21.639, after moving the drilling equipment from the drill site.

History: 37-43-202(3), MCA; IMP, 37-43-202(3), MCA; NEW, 1986 MAR p. 1699, Eff. 10/17/86; AMD, 2010 MAR p. 1614, Eff. 7/16/10.