Mich. Comp. Laws § 486.212: Injury to stream or property; misdemeanor, penalty.

Sec. 12.

If any person shall wilfully obstruct any stream or waters improved, or in use under the provisions of this act, or any part thereof, or shall wilfully destroy or injure any buildings, piers, dams, fixtures, banks, power lines or other constructions in use by and belonging to said company, such person or persons so offending shall, for every offense, be deemed guilty of a misdemeanor and shall be punished by a fine not exceeding 500 dollars, or by imprisonment in the county jail not more than 1 year, in the discretion of the court.