Compiled Laws, Chapter 750. Michigan Penal Code § 750.110b

Sec. 110b. Any person who discharges, dumps, deposits or throws or causes or permits the discharging, dumping, depositing or throwing of any garbage, except that which has passed through a disposal unit of a type approved by the United States public health service, or oil or rubbish from a vessel or watercraft of 25 or more feet in length into a river or inland lake within this state, or within 3 miles of the shoreline of any part of the great lakes or connecting waters thereof within this state, is guilty of a misdemeanor punishable by imprisonment in the county jail for not more than 1 year or by a fine of not more than $1,000.00, or by both.