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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Expecting a notable increase in water levels and flows due to significant rainfall in Abitibi-Timiskaming

Bulletins posted on 2020-10-23 by Ottawa River Regulating Committee


The Ottawa River Regulation Committee would like to advise residents that a notable increase in water levels and flows is expected over the coming week in many locations along the Ottawa River between Mattawa and Grenville/Hawkesbury due to significant ongoing rainfall in the Abitibi-Timiskaming area.  Currently no flooding is anticipated; however, water level increases due to fall precipitation are common on the Ottawa River and residents are encouraged to ensure that all susceptible property is properly secured.

Figure – Precipitation Received

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