Why am I required to have my backflow prevention assembly tested?
Backflow prevention assemblies have internal seals, springs, and moving parts that wear out. Regular testing is required to ensure backflow prevention assemblies are functioning properly and have not been bypassed. A visual check of air gap assemblies is sufficient, while mechanical assemblies must be tested with special equipment.
How often do backflow assemblies need to be tested?
State rules requires that all backflow prevention assemblies must be tested at least annually and immediately following any repair, maintenance, or relocation. Assemblies that repeatedly fail may require more frequent testing or replacement.
Who is responsible for the testing and maintenance of the backflow prevention assembly?
It is the responsibility of the property owner to ensure the assembly is in good operating condition. A person who is state-certified in backflow assembly testing must perform the test and submit the results to the City of Tigard. If any repair work or maintenance is performed, the assembly must be retested immediately. All test results must be submitted to the City of Tigard within 10 days.
The Certified Tester should mail original test results to the City at:
City of Tigard
Water Division - Cross Connection Program
13125 SW Hall Blvd.
Tigard, OR 97223
What is a Certified Backflow Assembly Tester and how can I find one?
A Certified Backflow Assembly Tester is someone who has completed a state-approved, 40-hour training course in backflow prevention assembly testing and has passed a proficiency test to prove his/her knowledge. Many plumbing, fire sprinkler, and lawn irrigation companies, as well as backflow prevention testing companies, are listed in local telephone directories and provide testing services in the Tigard area. As a convenience, the City of Tigard maintains a partial list of companies offering the services of Certified Backflow Assembly Testers.
What does it cost to test a backflow prevention assembly?
Backflow prevention assembly testing is done by private companies who set their own rates. Testing costs vary, so getting quotes from several companies is recommended.
What happens if I do not have my backflow prevention assembly tested and maintained as required?
Oregon Administrative Rules (OAR) Chapter 333-61-070 mandate the City of Tigard establish and maintain a cross connection control program. The OARs and the Tigard Municipal Code, Chapter 12.10.110, require the city to terminate water service should a property owner fail to comply with cross connection regulations. This includes testing and maintenance of backflow prevention assemblies.
For more information regarding cross connection and backflow, please contact firstname.lastname@example.org, Cross Connection Specialist or phone 503-718-2603.
What if I choose not to use my current in-ground irrigation system?
Property owners may choose to discontinue using their lawn irrigation system for a variety of reasons, but backflow prevention requirements are still in effect and enforced unless the system is permanently disconnected.
To permanently disconnect your system:
- It is recommended that you consult with and/or hire a licensed plumber or professional irrigation company.
- Determine if you have outdoor garden hose spigots that are tied to the lawn irrigation system. This will be important to know where to cap the system.
- Contact the City of Tigard Cross Connection Control Program at 503-718-2603 for more information.
- A building permit is not required to remove a backflow prevention device and/or to disconnect a lawn irrigation system.
- A shut-off valve is not a sufficient method for backflow prevention.
Contact the City of Tigard Cross Connection Control Program at 503-718-2603 for more information.