Notice
A maintenance activity is scheduled to occur on February 24 from 6:00 to 14:30 EST. During that period, the real-time data flow may be interrupted. We will monitor our system diligently to detect any interruption and will work to resume the data flow as quickly as possible. Your understanding and patience during this period are greatly appreciated. If you have any questions, please send via Contact Us.
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, Downloads, and Complimentary Data
Download freely-available hydrological modelling tools and complimentary data products, including the HYDAT database, supporting documentation for the Reference Hydrometric Basin Network, and the Canadian Surface Reanalysis (CaSR).
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.
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