Michigan Compiled Laws, Chapter 324. Natural Resources and Environmental Protection § 324.30713

Sec. 30713. The delegated authority of a county in which an inland lake is located may contract with a state or federal government agency or a public or private corporation in connection with a project for the establishment and maintenance of a normal level. The contract may specify that the agency or corporation will pay the whole or a part of the cost of the project or will perform the whole or a part of the work connected with the project. The contract may provide that payment made or work done relieves the agency or corporation in whole or in part from assessment for the cost of establishment and construction of the project.