Drinking Water Surveillance Program

The Drinking Water Surveillance Program (DWSP) monitors water quality at selected municipal drinking water systems for scientific and research purposes. DWSP is a voluntary partnership that compliments the regulatory monitoring that must be done by the drinking water systems. DWSP monitors for inorganic, organic and radiological parameters.

Water quality data are available by individual years.

Ministry contact: Environment, Conservation and Parks

Additional information

Tags
Geographic coverage
Ontario
Last Validated Date
May 26, 2021
Update frequency
Yearly

Drinking Water Surveillance Program

Learn more about accessing data using different formats.

Date range: January 1, 2018 - December 31, 2020

  • ZIP
    2018 - 2020 English

    Last Updated: April 5, 2022

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Date range: January 1, 2013 - December 31, 2017

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    2013 - 2017 English

    Last Updated: June 19, 2020

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Date range: January 1, 2008 - December 31, 2012

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    2008 - 2012 English

    Last Updated: June 19, 2020

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Date range: January 1, 2003 - December 31, 2007

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    2003 - 2007 English

    Last Updated: June 19, 2020

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Date range: January 1, 1998 - December 31, 2002

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    1998 - 2002 English

    Last Updated: June 19, 2020

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Supporting Files

  • PDF
    Metadata record English [23.6 KiB]
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  • PDF
    Metadata record French [23.2 KiB]
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