Incorporated in 1932, the UMWA works with members and other stakeholders to ensure that the Upper Mississippi River navigation system is used and maintained in a safe and environmentally responsible manner.
UMWA represents interests in Iowa, Minnesota and Wisconsin. Members include industrial and consumer goods manufacturers, electric utilities, grain companies, agricultural cooperatives, metal recyclers, barge and towing companies, recreational and passenger boat operators, marinas and others having an interest in river navigation and associated environmental issues. To ensure broad representation, representatives of the U.S. Army Corps of Engineers, the U.S. Coast Guard, the Minnesota Department of Transportation and other agencies serve as ex-officio members.