Mich. Comp. Laws § 106.4: Constructing, purchasing, or extending waterworks; estimate of expense; special assessment.

Sec. 4.

Before any money shall be borrowed, appropriated, raised, or expended for the purchase, construction, or extension of waterworks in any city, the council shall direct the board of public works to cause to be made an estimate of the expense thereof. The council may determine to specially assess any portion of the cost of water improvements to property especially benefited thereby pursuant to this act.