Mich. Comp. Laws § 106.7

Sec. 7. The council may enact such ordinances and adopt such resolutions as may be necessary for the care, protection, preservation and control of the waterworks and all the fixtures, appurtenances, apparatus, buildings and machinery connected therewith or belonging thereto, and to carry into effect the provisions of this chapter and the powers herein conferred in respect to the construction, management and control of such waterworks.