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100+ datasets found
  1. National Long-term Water Quality Monitoring Data

    • open.canada.ca
    • catalogue.arctic-sdi.org
    • +3more
    csv, esri rest, html +2
    Updated Apr 10, 2025
    + more versions
  2. G

    Automated Fresh Water Quality Monitoring and Surveillance Data

    • open.canada.ca
    • data.urbandatacentre.ca
    • +3more
    html, txt
    Updated Mar 3, 2024
    + more versions
  3. G

    Great Lakes Water Quality Monitoring and Aquatic Ecosystem Health Data

    • open.canada.ca
    • data.urbandatacentre.ca
    • +1more
    html
    Updated Mar 28, 2024
  4. G

    National Water Quality Pesticides Surveillance Data

    • open.canada.ca
    • gimi9.com
    • +1more
    csv, html
    Updated Feb 1, 2022
    + more versions
  5. Water quality networks

    • open.canada.ca
    • gimi9.com
    jpg, pdf
    Updated Feb 22, 2022
  6. Saint Lawrence River Basin Long-term Water Quality Monitoring Data

    • open.canada.ca
    • gimi9.com
    csv, html, txt
    Updated Feb 21, 2022
    + more versions
  7. G

    Pacific Coastal Basin Long-term Water Quality Monitoring Data

    • open.canada.ca
    csv, html, txt
    Updated Feb 23, 2022
  8. G

    Monitoring the quality of river and river water

    • open.canada.ca
    • data.urbandatacentre.ca
    • +3more
    csv, esri rest +5
    Updated Jun 4, 2025
  9. G

    Columbia River Basin Long-term Water Quality Monitoring Data

    • ouvert.canada.ca
    • datastream.org
    • +2more
    csv, html, txt
    Updated Dec 22, 2021
    + more versions
  10. Provincial (Stream) Water Quality Monitoring Network

    • open.canada.ca
    • datasets.ai
    • +3more
    csv, html, xlsx
    Updated Jun 25, 2025
    + more versions
  11. Drinking Water Quality and Enforcement

    • open.canada.ca
    • data.ontario.ca
    html, pdf, zip
    Updated Jun 18, 2025
    + more versions
  12. G

    Assiniboine - Red River Basin Long-term Water Quality Monitoring Data

    • open.canada.ca
    • datasets.ai
    • +1more
    csv, html, txt
    Updated Dec 9, 2021
    + more versions
  13. Lake Water Quality at Drinking Water Intakes

    • open.canada.ca
    • datasets.ai
    • +3more
    html, pdf, xls
    Updated Jul 2, 2025
  14. G

    Fresh Water Quality - Pacific Rim

    • open.canada.ca
    • ouvert.canada.ca
    csv
    Updated Dec 9, 2024
  15. G

    Ottawa River Basin Long-term Water Quality Monitoring Data

    • open.canada.ca
    • data.amerigeoss.org
    • +1more
    csv, html, txt
    Updated Feb 21, 2022
    + more versions
  16. G

    Surface Water Quality Monitoring Network Grab Sample Water Quality Data

    • open.canada.ca
    • data.novascotia.ca
    • +4more
    csv, html, rdf, rss +1
    Updated Apr 16, 2025
    + more versions
  17. Shellfish Water Classification Program (SWCP) – Marine Water Quality Data in...

    • open.canada.ca
    • catalogue.arctic-sdi.org
    • +1more
    csv, esri rest +6
    Updated May 23, 2025
  18. G

    Winnipeg River Basin Long-term Water Quality Monitoring Data

    • open.canada.ca
    • datasets.ai
    • +1more
    csv, html, txt
    Updated Jul 30, 2021
    + more versions
  19. G

    Churchill River Basin Long-term Water Quality Monitoring Data

    • open.canada.ca
    • datasets.ai
    • +1more
    csv, html, txt
    Updated Dec 9, 2021
    + more versions
  20. Water quality in Canadian rivers

    • ouvert.canada.ca
    • open.canada.ca
    csv, html
    Updated Mar 3, 2025
    + more versions
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Environment and Climate Change Canada (2025). National Long-term Water Quality Monitoring Data [Dataset]. https://open.canada.ca/data/en/dataset/67b44816-9764-4609-ace1-68dc1764e9ea
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National Long-term Water Quality Monitoring Data

Explore at:
34 scholarly articles cite this dataset (View in Google Scholar)
csv, html, txt, wms, esri restAvailable download formats
Dataset updated
Apr 10, 2025
Dataset provided by
Environment And Climate Change Canadahttps://www.canada.ca/en/environment-climate-change.html
License

Open Government Licence - Canada 2.0https://open.canada.ca/en/open-government-licence-canada
License information was derived automatically

Description

Long-term freshwater quality data from federal and federal-provincial sampling sites throughout Canada's aquatic ecosystems are included in this dataset. Measurements regularly include physical-chemical parameters such as temperature, pH, alkalinity, major ions, nutrients and metals. Collection includes data from active sites, as well as historical sites that have a period of record suitable for trend analysis. Sampling frequencies vary according to monitoring objectives. The number of sites in the network varies slightly from year-to-year, as sites are adjusted according to a risk-based adaptive management framework. The Great Lakes are sampled on a rotation basis and not all sites are sampled every year. Data are collected to meet federal commitments related to transboundary watersheds (rivers and lakes crossing international, inter-provincial and territorial borders) or under authorities such as the Department of the Environment Act, the Canada Water Act, the Canadian Environmental Protection Act, 1999, the Federal Sustainable Development Strategy, or to meet Canada's commitments under the 1969 Master Agreement on Apportionment.

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