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Read our latest Water Matters newsletter

An upcoming report on flood water storage from our Lake Champlain-Richelieu River Study Board, the 75th anniversary of our Osoyoos Lake Board of Control and continuing efforts to monitor fish in the St. Croix River watershed

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Launch of the International St. Mary and Milk Rivers Study

The International Joint Commission has launched a study to look at improving water apportionment on the St. Mary and Milk Rivers

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Record high Similkameen River flows cause Okanogan River to reverse direction at Zosel Dam

A flood warning for the Similkameen River was issued by BC River Forecast Centre and National Weather Service on November 15th.

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What's New

Transboundary Watersheds

Select a watershed (basin) within the map below to learn more about the IJC’s water-related activities.

Feature Videos

Water Matters

IJC activities and other cooperative work on the health and flows of waters along the entire boundary.

Great Lakes Connection

Latest science, reader perspectives and opportunities to protect the health of the Great Lakes ecosystem.