Notice
Please note there has been a delay in the publication of some new data to the Historical archive. New data may not include annual statistics such as peaks and extremes at this time; these will be published as soon as possible. The twenty-fourth release of the HYDAT.mdb and the nineteenth release of Hydat.sqlite3 dated on July 15,2020 are now available.
Water Level and Flow
Real-time hydrometric data
Explore real-time water level and flow (discharge) data collected at over 1900 hydrometric stations across Canada.
Historical hydrometric data
Explore historical water level and flow (discharge) data collected at over 7700 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.
What we are doing
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