International Joint Commission (IJC)
More than a century of cooperation protecting shared waters

IJC – Protecting Shared Waters

Interactive map

The IJC helps Canada and the United States prevent disputes over transboundary waters

Click on a basin within the map to view detailed information

 


 

News on water levels in the Lake Ontario
and St. Lawrence River

News Releases



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Become involved in the work of the IJC by participating in public consultations and giving your perspective on decisions before the IJC. 

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Lake Ontario and St. Lawrence River Shoreline Survey

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First Triennial Assessment of Progress on

Great Lakes Water Quality

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