R 324.403 Construction of water wells used for drilling or surface facilities.

Rule 403. (1) A water well that is drilled and used for drinking water purposes during the drilling of the well or retained after drilling completion or final completion must be drilled pursuant to rules promulgated under part 127 of the public health code, 1978 PA 368, MCL 333.12701 to 333.12771. (2) A water well that is not to be retained after drilling completion or final completion must be completed and abandoned as instructed by the supervisor and must meet all of the following minimum requirements: (a) The well must be located not less than 50 feet from drilling mud pits, pipe racks, salt and mud mixing sites, and the wellhead. (b) The water used in the drilling fluid must be chlorinated fresh water that is free of contamination in concentrations that may cause disease or harmful physiological effects. (c) The well must be grouted pursuant to the well construction and grouting rules contained in the well construction code promulgated under part 127 of the public health code, 1978 PA 368, MCL 333.12701 to 333.12771. (d) Geologic records must be filed with the supervisor on a form prescribed by the supervisor. (e) The wellhead, including annulus, must be sealed and a check valve must be installed in the surface discharge line to prevent contaminants from entering the well. (f) The well must be abandoned and plugged pursuant to the plugging and abandonment rules contained in the well construction code promulgated under part 127 of the public health code, 1978 PA 368, MCL 333.12701 to 333.12771.