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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First Triennial Assessment of Progress on

Great Lakes Water Quality

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Tuesday, February 13, 2018
Webinar Briefing on Fertilizer Application Patterns and Trends and Their Implications for Water Quality in the Western Lake Erie Basin

June 25, 2018

Public Meeting of the Souris River Board and the Souris River Study Board