The Town of Newmarket has enacted a new mandatory Backflow Prevention By-law on May 27, 2019 for all industrial, commercial and institutional, and multi-residential properties.
The purpose of the new by-law is to ensure that the Town continues to provide safe and high-quality drinking water to our community by decreasing the chance of backflow, flowing into the public system.
Backflow happens when water from private properties flows back into the public system. These properties may have internal connections (cross connections) to water used for non-potable purposes. This can create unsafe situations because of the potential for contaminants to flow back into the drinking water system.
The new by-law will require industrial, commercial, institutional, and multi-residential property owners to:
- Conduct a cross connection survey of their water systems to assess risk of contamination and send the Town the results.
- Install and test backflow prevention devices.
- File test reports regularly with the Town.
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