Great Lakes–Saint Lawrence River Basin Sustainable Water Resources Agreement Great Lakes–Saint Lawrence River Basin Sustainable Water Resources Agreement The Great Lakes–Saint Lawrence River Basin Sustainable Water Resources Agreement is a good-faith agreement among the Governors of the U.S. states of Illinois, Indiana, Michigan, Minnesota, New York, Ohio, Pennsylvania and Wisconsin, and the Premiers of the Canadian provinces of Ontario and Quebec. The agreement details how the States and Provinces will manage the use of the Great Lakes Basin's water supply and builds on the 1985 Great Lakes Charter and its 2001 Annex. It was signed on December 13, 2005. The agreement provides a framework for each Great Lakes state
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