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Drinking Water Quality Reports

As a waterworks owner, Halton Region is required to provide information about the water that is delivered to consumers. This is done through annual reports.

Our annual reports provide specific information about where your water comes from, what it contains, and how it compares to the Provincial Standards.

Wave of water.

Annual Reports

Other Ways to Get Annual Reports

You can also receive a free copy of Halton Region's water quality reports by:

  • Picking up a copy in person during normal business hours (Monday to Friday, 8:30am to 4:30pm) at the Regional Municipality of Halton Records & Information Management Section view map of Halton Region (external link)
  • Ordering the report by phone at 905-825-6000 or toll-free at 1-866-4HALTON (1-866-442-5866).

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Glossary of Terms

This Glossary of Analytical Terms for Drinking Water (PDF file) explains the meaning of the properties and measurements in the annual reports.

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Information for Residents with Private Wells

If your drinking water comes from a private well, you are responsible for your water's safety. 

Visit these sites for information on maintenance and safety of your well:

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