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

IJC – Protecting Shared Waters

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

Click on a basin within the map to view detailed information

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The IJC prevents and resolves disputes between the United States of America and Canada under the 1909 Boundary Waters Treaty 

Read the Treaty

          The updated Great Lakes Water Quality Agreement

Read the Protocol of 2012

Health Professionals Advisory Board

See the new website

A Balanced Diet for Lake Erie: Reducing Phosphorus Loadings and Harmful Algal Blooms

2014 LEEP Report