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Backflow Prevention & Annual Certification
Mechanical cross-connection valves preventing contaminated water from back-siphoning into municipal drinking water, requiring annual testing.
Backflow prevention refers to mechanical assemblies installed on potable water supply lines that prevent contaminated water or industrial chemicals from siphoning backward into the public drinking water system.
Municipal water districts mandate annual testing, certification, and calibration by licensed backflow testers, with completed inspection reports filed with the local utility authority to maintain property occupancy compliance.
Frequently Asked Questions
Why are annual backflow tests legally mandated for commercial properties?
Municipal health and water authorities mandate annual testing because valve seals and springs degrade over time, creating cross-connection hazards where irrigation water or chemicals could contaminate public drinking water.
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