Metropolitan Sanitary District of Greater Chicago v. City of Des Plaines

In a consolidated law and chancery action in the circuit court of Cook County, the City of Des Plaines, a home rule municipality, sought to enjoin the Metropolitan Sanitary District of Greater Chicago from constructing a sewage treatment plant within the City unless the District obtained a city permit and complied with a city health ordinance. The District moved to dismiss that action. The circuit court denied the motion on November 3, 1975, and the District pursued an interlocutory appeal under Rule 308 (58 Ill.2d R. 308). We allowed the District’s motion to transfer the appeal to this court…