Ontario Power Generation
River Systems
Ontario Power Generation operates 35 hydroelectric stations, a green power portfolio of 29 small hydroelectric plants, and 240 dams on 24 river systems. Most water level and flow information is updated every Thursday with the exception of the Kaministiquia, Aguasabon, and Nipigon Rivers which are updated daily. On the left is a listing of rivers for which more detailed information is provided:
Information for the English River and Winnipeg River is available from the Lake of the Woods Control Board.
Information for the St. Lawrence River is available from the International St. Lawrence River Board of Control.
Stay Clear, Stay Safe
Download our Water Safety brochure for more information on safety around dams and hydro stations. (Also available in French.)