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Posted: November 4, 2025

City-wide water quality advisory Nov. 17 and 18

Overnight inspections, cleaning planned at Phillips Reservoir

On the evenings of Monday, November 17 and Tuesday, November 18, the City of Cranbrook will be conducting inspections and cleaning of the intake screens at the Phillips Reservoir.

This work will take place overnight from 8 p.m. to 8 a.m. and is a necessary step in ongoing project planning for the Ultraviolet Disinfection Facility currently being developed by the city.

During this period, residents may notice temporary changes in water quality, including elevated turbidity levels and potential fluctuations in chlorine concentrations (both high and low).

As a precautionary measure, the city will be putting a Water Quality Advisory into effect on November 17.

Customers may also experience low water pressure or temporary interruptions to water service during this work.

The city asks water customers to refrain from using water during the overnight hours on November 17 and 18 unless it is absolutely necessary.

Customers are strongly encouraged to keep a supply of water available in their homes to allow for drinking, cooking, doing dishes, and flushing toilets while this work is completed.

Both the Interior Health Authority (IHA) and the City of Cranbrook recommend that children, the elderly, those with weakened immune systems, or anyone who wishes additional protection use boiled water or a safe alternative for:

  • Drinking;
  • Washing fruits and vegetables;
  • Making beverages or ice;
  • Brushing teeth.

Bring water to a rolling boil for at least one minute before use.

The city will continue to monitor water quality closely and provide updates as needed.

Find more information about water quality and the city’s overall water system.

e-KNOW file photo

City of Cranbrook


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