Commercial Backflow Prevention Program

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Commercial Backflow Prevention Program

The goal of the Commercial Backflow Prevention Program is to ensure Vaughan’s water is safe for businesses and residents to drink and use.

The City of Vaughan’s Commercial Backflow Prevention Program and the Backflow Prevention By-law 004-2018 (PDF) is designed to protect the City of Vaughan’s water system to safeguard the quality of water being delivered to businesses and residents. This is done by the installation of a backflow prevention device that prevents the discharge of contaminating substances into the drinking water system.