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

See More on our Mapping Portal

Comment on the

Canada-US Air Quality Progress Report

Until July 31, 2015

Comment on the 10-year review of recommendations in 

Protection of the Waters of the Great Lakes 

until June 30, 2015

Submit Comment