Testing must be accomplished by a certified tester approved by the State of Tennessee, Division of Water Supply. We have 5 certified testers on staff ready to help you.
Annual tests for irrigation backflow devices are due upon the spring start-up, March 1st through June 28th. (Please ignore the due dates printed on the postcard from the city, all tests are due by June 28th of each year). It is necessary for all backflow assemblies to be tested annually.
If a backflow test fails, it means that the backflow device is not working properly and needs to be repaired or replaced. The repair or replacement should be done only by a certified backflow technician. Once the backflow is repaired or replaced, the certified technician will retest the deivce to send passing results into the city.
During a backflow test, the technician will inspect the backflow device and make sure it is connected properly, measure the flow rate and pressure of the water, and test the device for any leaks or cross-connections.
The most common issues are corrosion, leaks, clogs, and improper installation or maintenance.
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