Environment Canada water level web page
U.S. Army Corps of Engineers Great Lakes Water Levels
For the latest report from the International Upper Great Lakes Study Board on restoration of water levels in Lakes Michigan/Huron go to: http://www.iugls.org/
The International Joint Commission is an independent bi-national organization established by the Boundary Waters Treaty of 1909. Its purpose is to help prevent and resolve disputes relating to the use and quality of boundary waters and to advise Canada and the United States on related questions.
https://www.ijc.org/en
Real-Time Water levels in Georgian Bay and Lake Huron (Part of The Canadian Hydrographic Service Site)
https://waterlevels.gc.ca/C&A/bulletin-eng.html
US Army Corps of Engineers current Great Lakes water levels.
www.lre.usace.army.mil/greatlakes