If you received a letter from the SUB Water Division, you must have your backflow assembly tested by a state-certified backflow prevention tester by the date required by the letter. Testers that work in SUB’s service area are on the Certified Backflow Tester List (PDF) or call (541) 726-2396.
Backflow FAQ Testing
If your assembly fails the test, you should make arrangements to have the assembly repaired or replaced as required, and retested within 15 days.
SUB Water Division hopes that you will share our desire to maintain a safe water distribution system. However, if you choose to not comply with this mandated program, you will risk a potential loss of water service until the assembly is repaired or replaced and a passing test report is provided to the SUB Water Division.
Testers that work in SUB’s service area are on the Certified Backflow Tester List (PDF) or call (541) 726-2396.
The tester is responsible for returning the original, signed test reports to the SUB Water Division, either by mail or email of a high-quality scan. The test reports must be submitted within 10 calendar days of the test date. Testers should provide their customers with proof that the forms have been submitted as required.
It is the customer’s responsibility to ensure that any contaminants or pollutants do not enter the water distribution system from their location. All costs related to the installation, maintenance and testing of backflow prevention assemblies are the customer’s responsibility.
Yes, the water supply to the backflow preventer must be turned off during the testing procedure. The type and location of the assembly will determine how long the test will take. Typically 10 to 30 minutes, are needed to complete testing. Additional time may be needed to make repairs.
Backflow prevention assemblies have internal seals, springs, and moving parts that are susceptible to wear and failure. Annual testing ensures they are functioning properly and protecting our public water system.
Individual backflow assembly testers and testing companies set their own rates and their charges vary widely. We recommend that you obtain more than one quote. Over the past several years the average cost for testing a double check on an irrigation system has been $35 to $50.