• johnson beach barrie ontario surveys

    See the latest issue of Great Lakes Connection

    Examining Beach Surveys, Two-Eyed Seeing and Restoration Benefits   

  • International Watersheds Initiative

    The International Watersheds Initiative has been a key tool for the IJC as it fulfills its duties in our shared waters. But how did it get started, and what does it do? This video should answer some of your questions.

  • Drone shot of Moses-Saunders Dam

    Regulation of Lake Ontario and the St. Lawrence River

    Learn more about the roles and responsibilities of the key players in the regulation of Lake Ontario and the St. Lawrence River. 

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International Watersheds Initiative

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Transboundary Waters

Transboundary Watersheds

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

Drought Conditions in Great Lakes – St. Lawrence River System Prompt the Board to Implement Deviations

On May 29th, outflows from Lake Ontario were set to 100 m3/s (3,530 cfs) below the amount prescribed by the “Rule Curve” of the regulation plan. Outflows will be further decreased on June 5 to 7,620 m3/s (269,100 cfs), which is 200 m3/s (7,060 cfs) below the amount prescribed by the “Rule Curve” of the regulation plan.