Michigan Compiled Laws, Chapter 324. Natural Resources and Environmental Protection § 324.31514

Sec. 31514. The department shall not issue a permit to construct a new dam, reconstruct a failed dam for which a complete application to reconstruct has been submitted more than 1 year after the date of the failure, or enlarge the surface area of an impoundment by more than 10% unless it determines, after a review of the application submitted, that the proposed activity for which a permit is requested will not have a significant adverse effect on public health, safety, welfare, property, or natural resources or the public trust in those natural resources.