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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Glossary

B D F I P R T W
Pe Pr

probability of occurence

The chance or likelyhood that an event will happen over a period of time.