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Waterloo

Yes. Tap water in Waterloo is low risk. Safe to drink from the tap.

Is it safe?

99%

City Of Waterloo Distribution System

Low risk

Safe to drink from the tap

Run by Waterloo City.

99.89% of 3,487 bacteria tests met Ontario’s standards.

97.84% of 185 chemical tests met the chemical standards.

Provincial inspection score: 100%.

Reported as an adverse result this year: Lead, Coliform bacteria, Low chlorine.

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Source

Ontario Ministry of the Environment, Conservation and Parks, drinking water data 2023–24.

Period covered: April 2023 to March 2024.

Ontario towns are rated from the province’s test results for every municipal drinking-water system: the share of bacteria tests that met the standards, and any E. coli results. Other provinces do not publish one dataset like this, so only Ontario is listed.

Common questions

Can I drink the tap water in Waterloo, Ontario?

Yes. Tap water in Waterloo is low risk. Safe to drink from the tap.

Where do these ratings come from?

Ontario Ministry of the Environment, Conservation and Parks, drinking water data 2023–24. Period covered: April 2023 to March 2024.