Backflow Prevention & Testing in Toronto

Please click here for an outline of your responsibility to prevent backflow as residents or business owners in the city of Toronto.”

A backflow prevention device is used to protect water supplies from contamination or pollution. Many types of backflow prevention devices also have test cocks so that they can be tested or examined to ensure that they are functioning properly.

Many states and/or local municipalities require annual testing of backflow prevention assemblies. A check valve is a common form of backflow prevention.

Backflow prevention protects the potable water system from minor, moderate, and severe hazards.

There are over 10,000 reported cases of backflow contamination each year. Some cases can be fatal.

Backflow devices are required by law where needed and must be installed in accordance with plumbing or building codes.

A backflow assembly has test cocks and shut-off valves and must be tested each year, if relocated or repaired, and when installed.

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