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Water, Wastewater & Stormwater

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For more information
Call 905-546-2489 or
Email [email protected]

For a water or wastewater emergency
Call 905-546-2489

Protecting homes, neighbourhoods and the environment

Learn about the water, wastewater and stormwater programs the City manages, to help protect your home neighbourhood and the environment.

Water Treatment & Distribution

Learn about the City's drinking water systems, and the protections in place to ensure the safety and quality of the water delivered to homes.

Wastewater Collection & Treatment

Learn about the City's wastewater and sewer systems, as well as the programs in place to help protect homes and the environment.

Stormwater Management

Learn about the programs the City has implemented to manage surface and stormwater, and what you can do to help.

Explore Water, Wastewater & Stormwater

Featured Programs

Map of wastewater overflows and bypasses

Learn about

Monitoring Wastewater Overflows and Bypasses

In older areas of the City a combined sewer system collects both storm water and wastewater. During heavy rainfalls or snowmelt, combined sewers carry large volumes of storm water that can exceed their capacity.

Review Overflows and Bypasses

corroded water pipe

Corrosion Control

The Corrosion Control program can reduce the amount of lead in tap water and the potential health impacts to the community.

Separate Sewers Diagram

Sewer Lateral Cross-Connections

Sanitary sewers and stormwater sewers should separate from one another, but in some homes they cross-connected affecting the environment.

Illustration of connectivity of stormwater and the environment

Surface Water Management

Surface water management is the process of collecting, monitoring and treating surface water to help prevent flooding and pollution.

Date modified

June 14, 2024