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

Lake Ontario and St. Lawrence River Plan

Read the Report

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

2014 LEEP Report

A Water Quality Plan of Study

for the Lake of the Woods Basin


       IJC Maps

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