Rule 2138. When a state or national permit is issued by the department which contains any effluent standards or limitations set forth in R 323.2137, the department shall verify that the discharge authorized by the issued permit will not violate applicable water quality standards. When a permit contains additional effluent limitations based upon applicable water quality standards, the department shall prepare a wasteload allocation ensuring that the discharge authorized by the issued permit is consistent with applicable water quality standards.
Mich. Admin. Code R. 323.2138