Region of Waterloo Water Services. This site is not monitored 24/7. For immediate assistance call 519-575-4400 (TTY: 519-575-4608).
In Waterloo Region, some of our municipal water supply comes the Grand River but most comes from groundwater aquifers.
Region of Waterloo Water Services, a division of Transportation and Environmental Services is responsible for sourcing, treating, and testing the municipal water supply.
The Region of Waterloo sources, treats and then sells the water to the Cities and Townships located within Waterloo Region. The Cities and Townships (with the exception of North Dumfries and Wellesley) have the responsibility of distributing and selling the water to their local residents and businesses. The Region of Waterloo is responsible for distributing and selling water to North Dumfries and Wellesley Township residents and businesses.
Region of Waterloo Water Services buys back the water from the Cities and Townships to treat at one of the wastewater treatment plants.
municipal water supply
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