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Each year, the Ministry of the Environment releases two reports on drinking water.

The Minister of the Environment’s report provides an overview of the work Ontario is doing to protect drinking water.

• read most-recent report

The Chief Drinking Water Inspector’s report provides detailed performance reviews of drinking water systems in Ontario, along with inspection results for those systems. This report also discusses the actions the Ministry of the Environment and others take to protect Ontario’s drink­ing water.

• read most-recent report
• view most-recent data files

• see other water reports