International Lake Ontario-St. Lawrence River Board
The International Lake Ontario-St. Lawrence River Board ensures that outflows from Lake Ontario meet the requirements of the International Joint Commission's Orders of Approval. The Board also has responsibilities to communicate with the public.
Latest News Releases
Tri-Board Tribune
Read the latest edition of the Tri-Board Tribune, a Great Lakes Water Levels Boards collaboration.
Visual History of the Project
A visual history of how the St. Lawrence River was transformed and the regulation of Lake Ontario began
Videos
Weekly Summary
Sign up to receive weekly summaries on Lake Ontario outflows.