Online data

The data collected by Environment Canada and with its partners is held in a number of databases across the country. The links below provide access to data that are available online at this time. Data are being added continuously and, by 2014, data from all across the country will be made available via these links. Please read the disclaimer before continuing to the data.


While Environment Canada employs reasonable efforts, whenever feasible, to ensure the currency, accuracy and precision of the information provided, some of this material has limitations due to the sources of the data and the technology used in processing and managing the data. Furthermore, the material or any data derived using the same data is subject to interpretation. Users are responsible for verifying that the material is appropriate for the use or application for which they wish to employ it. Environment Canada makes no representation or warranty of any kind, either expressed or implied, as to the information presented in this application nor as to its fitness for any particular use, and Environment Canada does not assume nor accept any liability arising from any use of the information and applications used to display or use the information. The data are not intended for any legal purpose, nor for planning or navigation purposes. The data may change from time to time as updated information is received. If any information is noted to be incorrect, please inform the Environment Canada contact provided within the application.

These applications might contain links to third party sites. Environment Canada provides these links only as a service and convenience. Environment Canada takes no responsibility for the content at third party sites and in no way implies an endorsement or recommendation of the products, services or information found there. A third party site may have a privacy policy different from that of Environment Canada.

Environment Canada does not assume nor accept any liability arising from any use of third party sourced content.

For other water quality information, please contact the Water Quality Monitoring and Surveillance Division 


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