Mich. Comp. Laws § 324.33701
The township board of any township, the legislative body of any incorporated city or incorporated village, or the board of county road commissioners of any county when directed by the county board of commissioners of the county, pursuant to a resolution adopted by a 2/3 vote of the members of the county board of commissioners, is authorized to acquire any and all interests in lands necessary to any flood control, drainage, or beach erosion control project and is authorized to contract with the federal government or any agency of the federal government, whereby the federal government or agency will pay the whole or a part of the cost of flood control, drainage control, or beach erosion control projects or will perform the whole or any part of the work connected with the project, or both, which contract may include any specific terms, including, but not limited to, the holding and saving of the United States free from damages due to the construction works, required by act of congress or federal regulation as a condition for participation on the part of the federal government.
MCL 324.33701