Welcome

This site provides public access to real-time hydrometric data collected at over 1800 locations and access to historical data collected at over 7600 stations (active and discontinued) in Canada. These data are collected under a national program jointly administered under federal-provincial and federal-territorial cost-sharing agreements. It is through partnerships that the Water Survey of Canada program has built a standardized and credible environmental information base for Canada.

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Notice

Environment Canada Data Explorer (ECDE) V2.1.7 is released with a historical analysis tool, providing statistical data over a specified time period. It is bundled with the April 19, 2016 version of the HYDAT.mdb and HYDAT.sqlite3 database. For details, please refer to the reference manual.