News and Events

National Hydrometric Network Basin Polygons

NHS is pleased to announce the preliminary release of a new dataset of drainage basin polygons. The GIS dataset contains the watershed boundaries for over 6000 of the 7896 active and discontinued hydrometric stations across Canada. New stations will continue to be added over the coming months. Further information is available at: https://collaboration.cmc.ec.gc.ca/cmc/hydrometrics/www/HydrometricNetworkBasinPolygons/

Wateroffice Release

The National Hydrological Services of Canada (NHS) is pleased to announce that the Wateroffice release 52 was published on March 6, 2024.

Below are some change requests which have been addressed in this release:

• Extend the display of the website banner to more pages, including the real-time map, search, search results, graphics, tabular and download pages

• Add a search function by bounding coordinates for both the real-time and historical map pages

• Added Deliver Image label to the real-time map page (login site)

• Adjust the format of water level and discharge in the rating curve download file

• Update the FAQ section to incorporate details on how the daily mean is calculated based on the unit values

• Add a legend of symbols on the peak tabular page

• Enhance the daily download page within the Additional Statistics module to allow users to download statistics for a user-defined time period

• Revise the description beneath the placemat of Station Reference Index on the Hydrometric Station and Network Data page

• Add an instructional message on the Station Reference/Number/Name index page to guide users on navigating the station reference

HYDAT Release

The new releases of the HYDAT.mdb and Hydat.sqlite3 dated on January 16, 2024 are now available.

Height Modernization Status

NHS is currently acquiring the GNSS data required to provide conversion factors to the datum CGVD2013 epoch 2010. Conversion factors will be published on WaterOffice as they become available. Thank you for your patience as we modernize our systems.