Water Office Canada
Water Survey of Canada - real-time and historical hydrometric data from 7780+ stations
wateroffice.ec.gc.ca
At a glance
- Region
- Canada (North America)
- Coverage
- Canada nationwide - 2800+ active gauges
- Access
- Free
- Category
- Government
- Last updated
- 2025
What's inside
- Water Levels
- Streamflow
- Sediment
- Real-time Data
- Historical Data
- HYDAT Database
Terms explained
What you can do with it
Typical work that data of this type supports.
- 01
Design flows
Estimate 1-in-50 and 1-in-100 year floods for bridges, culverts and spillways.
Because it has: Streamflow
- 02
Low flows
Set environmental flows and check what is left in the river in a dry year.
- 03
Hotspots and trends
Find where contamination is high and whether it is getting worse.
Because it has: Sediment
Where AI adds value
Ideas for machine learning and AI agents built on this kind of data.
- 01
Flow forecasting
Train LSTM-style models on past records to forecast river levels and flow days ahead.
- 02
Ungauged basins
Combine with catchment data to estimate flow where there is no gauge.
- 03
Risk maps
Predict contamination where no samples exist, from geology, land use and climate.
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