Great Lakes Water Authority living in Detroit. The authority has not yet set water rates (which could be variable by community), although it aims to determine rates by March 2016 and make them effective by July 1, 2016. Annual rate increases will be capped at four percent for the first ten years of the authority's existence. Great Lakes Water Authority The Great Lakes Water Authority (GLWA) is a regional water authority in the U.S. state of Michigan. It provides water and sewer services for the Southeast Michigan communities, including Wayne, Oakland, and Macomb counties, among others. The Great Lakes Water Authority was created in
Great Lakes pass the locks on the Saint Lawrence Seaway because the ships are too wide. Only four bridges are on the Great Lakes other than Lake Ontario because of the cost of building structures high enough for ships to pass under. The Blue Water Bridge is, for example, more than 150 feet high and more than a mile long. The Great Lakes are used to supply drinking water to tens of millions of people in bordering areas. This valuable resource is collectively administered by the state and provincial governments adjacent to the lakes, who have agreed to the Great Lakes Compact