Section R. 325.10816 - Location of well in area subject to floodingRule 816.
(1) A well shall not be located in an area subject to flooding unless the well is protected as approved in writing by the department. The ground surface immediately adjacent to a well casing shall be graded so that surface water is diverted away from the casing. Surface flooding shall not be allowed closer than 25 feet from the well.(2) The top of a well casing, any other opening into the well casing, well appurtenances, and controls shall be not less than 2 feet above the greater of the following: (a) One hundred-year flood elevation.(b) The maximum recorded flood elevation.Mich. Admin. Code R. 325.10816