Water Levels and Flows
The Board expects the total St. Marys River flow in January to be 1,790 cubic meters per second (63,200 cfs), as prescribed by Regulation Plan 2012. Actual hour-to-hour and day-to-day flows may vary depending on hydrologic conditions, as well as variations in flow from the hydropower plants.
Note…
The gate setting of the Compensating Works will be maintained at the typical winter gate setting (Gates #7 through #10 open 20 cm each) equivalent to approximately one-half gate fully open. The Board expects the total St. Marys River flow in December to be 1,900 cubic meters per second (67,100 cfs…
The International St. Mary and Milk Rivers Study Board issues regular updates on their work via their semi-annual newsletter, The River Blend. Links to the newsletter articles can be found below:
The International Osoyoos Lake Board of Control monitors hydrologic conditions in the Okanagan/Okanogan and Similkameen basins to inform the management of Osoyoos Lake levels.
Anglers and other users of the St. Marys Rapids need to be cautious of the flows and water levels that will be experienced in the rapids in November. The gate setting of the Compensating Works will be decreased from the current setting equivalent to approximately one gate fully open to the typical…
The International Lake Ontario-St. Lawrence River Board is providing this notice to summarize the water level conditions from September 2024 through the remainder of Autumn.