Public pool water norms, province by province
The chlorine, pH and alkalinity values required in Canadian public pool water, read in the official text, with their source and date.
Last verified: official text read, then re-read by a second reader, on 26 September 2026.
Remanso holds the water norms of 13 Canadian provinces and territories and 50 US states. These pages restate the first group, value by value: a value whose reading is not confirmed does not appear.
One page per province
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Public pool water norms in Québec
In Québec, free chlorine in an indoor pool must be between 0.8 and 2.0 mg/L and pH between 7.2 and 7.8, under the Règlement sur la qualité de l’eau des piscines et autres bassins artificiels (the regulation on water quality in swimming pools and other artificial pools).
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Public pool water norms in Ontario
In Ontario, Regulation 565 on public pools requires free chlorine of 0.5 to 10 ppm and a pH of 7.2 to 7.8 in an ordinary public pool.
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Public pool water norms in Alberta
In Alberta, free chlorine in a public pool must be at least 1.0 mg/L (water at 30 °C or less) or 2.0 mg/L (warmer water), and pH between 6.8 and 7.6.
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Public pool water norms in British Columbia
In British Columbia, the Pool Regulation sets minimum free chlorine levels (0.5 ppm for water at 30 °C or less, 1.5 ppm above that), a pH of 7.2 to 7.8 and an alkalinity of 80 to 120 ppm.
Compare provinces
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Public pool water pH: what each province requires
Most provinces require a pH of 7.2 to 7.8; Alberta requires 6.8 to 7.6 and Yukon 7.2 to 8.0.
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Free chlorine in a public pool: what each province requires
The free chlorine required varies from text to text: the minimum runs from 0.5 to 2.0 mg/L depending on the province and the conditions, and some texts set a maximum while others do not.
To be confirmed with the authority. The official text prevails. These values are copied from the cited source as of the date shown; rules change, and a public health inspector may require more. Confirm them in the text before relying on them.
Tracking your water logs
Remanso keeps each pool’s water readings and judges them against the norm of its jurisdiction. A value whose reading is not confirmed judges no reading. Try Remanso for 21 days, no credit card.