Backflow Testers

Backflow Testers

The following is a list of the testers approved to file test results electronically for Rockwood Water and who are certified by the Oregon Health Authority*.

Please note that Rockwood Water is not able to provide any recommendations or referrals to Backflow testers beyond this list.

Please provide your location code to your tester. Your location code can be found on the Test Required Notice you received from Rockwood Water.  You can also obtain your location code by contacting our backflow department at 503-674-4510 or You can also call our main office 503-665-4179.

AFP Systems, Inc. — 503-559-0788

Alliant Systems — 971-205-8208

American Backflow and Plumbing Services — 877-950-2468

American Backflow Services — 503-289-1745

Aqua-Tech Backflow Services — 503-251-1683

Bruton Backflow and Irrigation — 503-618-1806

Cascadia Backflow — 503-980-4806

Clearwater Backflow Testing — 503-703-7821

Columbia Cross-Connection Control — 503-235-6141

Farr Better Backflow Testing LLC — 541-490-6488

Landscape Management & Services, Inc. — 360-256-0706

Metro Safety and Fire — 503-231-2999

My Plumbing Services LLC — 971-409-3864

Oregon Backflow Testing — 503-491-9402

Plumb Tech — 503-668-8800

Portland Mechanical Contractors — 503-656-7400

Protec Security & Fire Systems — 503-235-4000

United Fire — 503-249-0771

Water Metrics Co. West — 503-603-0998

West Coast Fire Systems — 503-347-9773

*Backflow assemblies must be tested by a tester certified by the Oregon Health Authority to perform backflow tests. 

Backflow Customer Portal

You can view your test results by registering on our backflow Customer Portal at  You will need your location code to view your results after you have registered.

Email Option

If you would like to have your test results automatically emailed to you, please contact the Backflow Department via email at and request to have your email added to our backflow database.  Please note:  you will not receive email results for tests that have already been completed.