Notice
The National Hydrological Service (NHS) of Canada is thrilled to unveil a new streamflow current conditions feature: NHS Water Watch! Explore this new feature by clicking the «NHS Water Watch» section in the right panel.
Water Level and Flow
Real-time hydrometric data
Search by station name, station number, or location for real-time unit values or provisional daily mean values of water level and discharge data. Refine your search by data or station attributes. Results will be in list format.
Historical hydrometric data
Explore historical daily water level and flow (discharge) data collected at over 7900 hydrometric stations across Canada.
Hydrometric Station and Network Data
Access station and network metadata (such as station name, location, drainage area, data type, gauge type, stream order).
Tools and Downloads
Download freely-available hydrometric data products and hydrological modelling tools.
Partners
Learn about the federal-provincial/territorial and international partnerships of the national hydrometric program.
Resources
Learn about the Water Survey of Canada, and access other websites related to water data or water resource management.
NHS Water Watch
View the streamflow (discharge) current conditions by comparing the real-time discharge with the historical daily discharge.
News and Events
- HYDAT Release (2025-04-15)
- Wateroffice Release (2025-03-10)
- Unit Data (2011 - 2025)
- National Hydrometric Network Basin Polygons
- Height Modernization Status
Contact Us
Want to send inquiries/feedback?
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