International Upper Great Lakes Study

The purpose of the International Upper Great Lakes Study is to investigate improvements to the regulation of the outflow of Lake Superior given the impacts regulation may have on water levels, flows, and consequently affected resources throughout the upper Great Lakes system. It is examining the physical processes driving current Great Lakes water level conditions, and possible ongoing changes in the St. Clair River and their impacts on river flow and Lakes Michigan and Huron levels. Shared Vision Planning methods will be used to incorporate stakeholder input, and climate change scenarios will be considered. The final report on the St. Clair River was published in December 2009, and the second phase to investigate changes to the outflow management plan for Lake Superior will continue through 2012.

Fact Sheet (pdf, 136 KB)