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How often do Backflow Assemblies have to be tested?

April 26, 2017Assemblies backflow tested

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How often do Backflow Assemblies have to be tested?

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Backflow Assemblies must be tested at the time of installation, annually after installation, after a backflow incident, and after any repairs have been made. If an assembly is relocated and/or reinstalled it must be retested. Anytime a backflow assembly is tested a test report needs to be submitted to Silverdale Water District.