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2026 OTTAWA RIVER FLOOD

Flooding is not yet expected to reach 2023 levels; some properties will still be affected. 
Please email us at flood@westcarletonrelief.ca if you need help understanding your risk. 

Historic High Water Levels from OttawaRiver.ca
Click on the sheets below to see the high water levels for the past 70 years. 

High Water Peaks at Britannia:

masl: 2017-60.44 | 2019-60.68 | 2023-60.35

m3/s: 2017-5370 | 2019-5980 | 2023-5144

Britania.png

High Water Peaks at Arnprior: 

masl: 2017-75.95 | 2019-76.28 | 2023-75.8

m3/s: 2017-5340 | 2019-6164 | 2023-5194

Arnprior.png

* masl = River Height, meters above sea level | m3/s= Flow Rate Cubic, meters per second * 

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