Cross Connection/Backflow Testers

For a list of State Certified Backflow Assembly Testers see the Backflow Prevention Devices section in the Yellow Pages.

You can also use the following to search for assembly testers:

• Qwest Dex—http://www.dexonline.com/
• Switchboard.com—http://www.switchboard.com/
• Tualatin Valley Water District—www.tvwd.org/pdf/backflow_testers.pdf (PDF)

An assembly is required to be tested at the time of installation, whenever it is moved, whenever it is repaired and annually. If you have any questions, please call the Engineering Division at (503) 350-4042 or e-mail jmitchell@ci.beaverton.or.us.

Cross Connection Information