Ottawa RiverRegulationPlanning BoardCommission de planificationde la régularisationde la rivière des Outaouais

Ottawa River Regulation Planning Board

The Planning Board was established to ensure integrated management of the principal reservoirs of the Ottawa River Basin:

  • to reduce flood and drought impacts along the Ottawa River and its tributaries, all the way down to the Montreal Region
  • while maintaining beneficial water uses in the basin.

Current Conditions Summary

Water levels in metres:

View current conditions

River Conditions Forecast

Last Update: 2023-05-23 2:49 PM
Next Update: 2023-05-30 3:00 PM

Levels and flows at most locations on the main stem of the Ottawa River remain close to normal for this time of the year and are expected to be fairly stable over the coming week.

View complete forecast

Special Feature

More Rain over one weekend than what is normally seen in one month

More than 70 mm of rain was received over several thousand square kilometres of the basin between Saturday (April 29) and Monday evening (May 1).  That is more rain than what is normally received over the entire month of April. Elsewhere, 40 – 55 mm of rain was received across the entire basin.

Need help to determine how high water will be at your location? Follow the simple steps that are explained in this document.

Check out our improved website!

The section ‘About ORRPB’ now includes more information about who we are, what we do and how to stay informed about flows and levels in the Ottawa River.

Check these new pages out:

We hope you will enjoy reading these new pages!

To learn more about the Ottawa River and the management of principal reservoirs, you can view two presentations :

 

Latest News

End of Daily River Conditions Forecast and 4-day Forecast

Bulletins posted on 2023-05-18 by Ottawa River Regulation Secretariat

The Ottawa River Regulation Secretariat would like to inform residents of the Ottawa River Basin that today, May 18, will

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Increasing Flood Risks along the Ottawa River (Mattawa to the Montreal Region)

Press Release posted on 2023-05-01 by Ottawa River Regulating Committee

The Ottawa River Regulating Committee warns that levels and flows along the main stem of the Ottawa River are increasing

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Update on Flood Risks along the Ottawa River (Mattawa to the Montreal Region)

Press Release posted on 2023-04-28 by Ottawa River Regulating Committee

The Ottawa River Regulating Committee warns that levels and flows along the main stem of the Ottawa River will remain

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