Mich. Comp. Laws § 324.31112: Minimum level of stream flow; industrial use of water.

Sec. 31112.

Upon request of a council or a board, the department shall determine, within the watershed subject to the council, the minimum level of stream flow necessary to safeguard the public health, welfare, and safety, but a determination or order shall not prevent any industry along the stream from using water from the stream for industrial use sufficient for the industry's requirement if all the water used is returned to the stream within 72 hours of the taking.