International Lake Ontario-St. Lawrence River Board

Persistent precipitation this spring has resulted in rising water levels throughout the Great Lakes-St. Lawrence River basin and flood conditions in many tributaries. Water levels in Lake Ontario have risen a total of 0.76 meters (2.50 feet) in two months.

The International Lake Ontario-St. Lawrence River Board plans to increase Lake Ontario outflows by up to 500 cubic meters per second (17,700 cubic feet per second) to temporarily raise the water level of Lake St. Louis on October 18. This temporary increase in Lake St. Louis water levels is intended...

The International Lake Ontario-St. Lawrence River Board is providing this notice to summarize current water level conditions.

Water levels in each of the Great Lakes, except for Lake Erie, are currently below long-term monthly averages. Actual spring and summer water levels will depend primarily on weather and water supplies during the spring and summer months.