Ottawa RiverRegulationPlanning BoardCommission de planificationde la régularisationde la rivière des Outaouais

INCREASING FLOOD RISK ALONG THE OTTAWA RIVER (Mattawa to the Montreal Region). See the River Conditions Forecast message that is updated daily. Read more

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Who we are

Formed in 1983, the Ottawa River Regulation Planning Board (ORRPB) is composed of seven members representing the governments of Québec, Ontario and Canada, as well as the agencies that operate the large reservoirs in the basin.