Mich. Comp. Laws § 280.553
There is created for each water management district petitioned for under the provisions of this chapter, a water management commission consisting of (a) the drain commissioner of each county within the district; (b) 1 representative of each county within the district, to be appointed by the county board of supervisors in the usual manner employed by such county in appointing members to county boards or commissions; (c) 1 representative of each city or village within the district with a population of 5,000 or more, and 1 additional representative for each 20,000 of population or any major fraction thereof by which the population of such city or village exceeds 10,000, to be appointed by the governing body, but no city or village shall have more than 10 representatives; (d) 1 director of a soil conservation district to be designated by the directors of all such districts within a water management district; and (e) the director of agriculture, who shall serve as chairman of the commission. County soil conservation district and city or village representatives shall be resident property owners of the district and shall serve at the pleasure of the appointing body. Each member of the commission appointed by a county board of supervisors and county soil conservation districts shall receive such compensation, mileage and expenses as shall be provided by the water management commission except that such compensation shall not exceed $25.00 per diem exclusive of mileage and expenses for attendance at water management commission meetings. Members who are drain commissioners, or who are county or city employees, shall be reimbursed for actual and necessary expenses but shall not receive any other compensation. The director of agriculture or his deputy shall not receive any compensation or reimbursement for expenses incurred as a member of the commission. A vote of 3/5 of all of the members of the commission shall be required to approve any preliminary or final order of determination, official plan, final order of apportionment, or other matter involving any assessment or increase in assessment of costs.
MCL 280.553