Tables of Drinking Water Threats

We've made tables that include the 21 drinking water quality threat activities, set out in O. Reg. 287/07, which may pose a risk to a municipal drinking water supply. The tables also provide all the circumstances associated with each threat.

The tables separate drinking water quality threats into two sections: chemical and pathogen.

Ministry contact: Environment, Conservation and Parks

Additional information

Tags
Geographic coverage
Ontario
Last Validated Date
August 24, 2018
Update frequency
As required

Tables of Drinking Water Threats

Learn more about accessing data using different formats.

Date range: January 1, 2017 - July 1, 2018

  • XLSX
    2017-2018 table of drinking water threats English [216.5 KiB]
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Date range: January 1, 2013 - July 1, 2018

  • Other
    Access to Table of drinking water threats English

    Last Updated: August 24, 2018

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Date range: January 1 - December 31, 2013

  • XLSX
    2013 table of drinking water threats English [157.8 KiB]
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Supporting Files

  • PDF
    Metadata record English
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