Mich. Comp. Laws § 280.574
The commission of any water management district created under this act may authorize the board to (a) sell surplus water acquired as a result of construction of projects; (b) lease district-owned lands for agricultural or other purposes; (c) cooperate with soil conservation districts in control of soil erosion; and (d) develop and operate recreational facilities on district-owned property, either in cooperation with the Michigan department of conservation and/or public corporations within the district, or independently when it is not feasible or practical for the department or such public corporations to provide and operate the facilities: Provided, That if any such acts shall result in additional expense, they shall not be authorized until after public hearing as provided in section 558 of this act.
MCL 280.574