Lake Carriers' Ass'n v. MacMullan

This is an appeal, brought by defendant Attorney General, from a decision of the Circuit Court for the County of Mackinac construing certain sections of the Michigan Watercraft Pollution Control Act of 1970; MCL 323.331, et seq.; MSA 3.533(201), et seq., (hereinafter referred to as WPCA), and granting plaintiffs injunctive relief against enforcement of a provision of the act which would prohibit the discharge of all sewage, whether treated or untreated, from cargo-carrying vessels engaged in commerce on Michigan waters.

In 1971, plaintiff Lake Carriers’ Association 1 instituted an action…