Two Rivers, city (1990 pop. 13,030), Manitowoc co., E Wis., on Lake Michigan at the mouth of the Twin River; inc. 1878. Two Rivers is closely associated with its twin city, Manitowoc, both of which are highly industrialized. Furniture, wood products, and electrical equipment are manufactured. A U.S. Coast Guard station (est. 1872) and a nuclear power plant are in Two Rivers.