Provincial (Stream) Water Quality Monitoring Network

Provides stream water quality monitoring data for a number of parameters, including total and dissolved nutrients, metals, and chloride.

The Provincial (Stream) Water Quality Monitoring Network (PWQMN) measures water quality in rivers and streams across Ontario. This dataset provides stream water quality monitoring data for a number of parameters, including total and dissolved nutrients, metals, and chloride. Spatial information for stream monitoring locations across Ontario are also available.

Keywords: Streamwater, Nutrients, Fresh Water

Stream Water Quality Map

Ministry contact: Environmental Monitoring and Reporting Branch

Additional information

Tags
Geographic coverage
Ontario
Maintainer
Environmental Monitoring and Reporting Branch
Last Validated Date
January 19, 2024
Update frequency
Yearly

Provincial (Stream) Water Quality Monitoring Network

Learn more about accessing data using different formats.

Date range: March 1, 2021 - December 31, 2022

  • CSV
    Data English

    Last Updated: January 19, 2024

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  • CSV
    Field Data English

    Last Updated: January 23, 2024

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  • CSV
    Parameter Lookup English

    Last Updated: January 19, 2023

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Date range: January 1, 1964 - December 31, 2021

  • CSV
    Data 2019-March 2021 English

    Last Updated: April 20, 2023

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  • CSV
    Data 2010-2018 English

    Last Updated: April 20, 2023

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  • CSV
    Data 2000-2009 English

    Last Updated: April 20, 2023

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  • CSV
    Data 1990-1999 English

    Last Updated: January 19, 2023

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  • CSV
    Data 1980-1989 English

    Last Updated: January 19, 2023

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  • CSV
    Data 1970-1979 English

    Last Updated: January 19, 2023

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  • CSV
    Data 1964-1969 English

    Last Updated: January 19, 2023

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Supporting Files

  • PDF
    Metadata English

    Last Updated: January 19, 2023

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  • PDF
    Metadata French

    Last Updated: January 19, 2023

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  • CSV
    Coordinates English

    Last Updated: April 4, 2023

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  • CSV
    Method Codes English

    Last Updated: January 19, 2023

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  • XLSX
    Code de méthode French

    Last Updated: January 19, 2023

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  • XLSX
    Remark Value Qualifiers English

    Last Updated: November 30, 2020

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  • XLSX
    Qualificatifs de valeur de remarque French

    Last Updated: November 30, 2020

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