Michigan. Comp. Laws §324.8902 et seq.
Litter amounts less than one cubic foot: fine up to $800.
Litter amounts greater than one cubic foot but less than three cubic feet: fine up to $1,500.
Litter amounts greater than three cubic feet: fine up to $2,500 for first conviction and up to $5,000 for subsequent convictions. (See 324.8905a).
For litter thrown into the path of a moving vehicle on a highway, misdemeanor punishable by imprisonment of up to one year, fine up to $500, or both (§324.8903). In addition to penalties, the court may also require violators to pay for the cost of litter removal and any property damage (§324.8905b).
Littering of material produced at a health facility is a misdemeanor punishable by imprisonment up to six months, fine up to $1,000, or both. Litter that involves infectious waste or pathological waste is a felony punishable by imprisonment up to 2 years, fine of up to $5,000, or both. Subsequent convictions punishable by imprisonment between one and five years and fine up to $10,000 (§324.8905).