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The Official Site of The City of Markham

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The City of Markham is committed to: Trusted supply of safe and reliable drinking water for the customer Achieve compliance with applicable legislation and regulations, while ensuring staff are trained and competent to perform their duties Protect our drinking water and provide necessary resources for the maintenance and continual improvement of the quality management system
Protect Your Pipes! F.O.G. Clogs

Fats, Oils and Grease (F.O.G.) should never go down the drain

Systems Overview: Water, Sewer, Stormwater

Learn more about wastewater & stormwater.

Backflow Prevention Online Services

Backflow Prevention Online Services

Rates, Meters, Billing & Fees

Learn more about charges for water and sewer services.

Water Quality and Testing

Learn more about our water testing.

How to Use Less Water

The City of Markham wants everyone to use water efficiently!

Projects & Programs

Learn about current projects & education programs.

Institutional, Commercial & Industrial Services

Clean & safe drinking water!

Sewer Back-up & Flooding

Learn how you can help prevent flooding in your home.

Customer Services

Learn more about some common service questions.

Fire Hydrant Flow Test Permit

Apply for a permit to have the city turn a fire hydrant on and off.

Record Search

Search Sewage Backups, Flooding, Water & Sewer Service Connection

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