Backflow Testing Irvine: Annual Certification for OC Property Owners
If you own or manage a commercial property in Irvine — a restaurant, office building, medical practice, school, or multi-unit residential complex — you're required by California law to have your backflow prevention device tested annually. This isn't optional, and it's not something you can skip until next year. The Irvine water department, like every water district in California, enforces this requirement, and failure to comply results in fines and potential water service disruption.
What is backflow testing?
Backflow testing checks that your backflow prevention assembly is working correctly — that it prevents contaminated water from flowing backward into the public water supply. During a test, a certified tester isolates the device and checks each check valve and relief valve for proper operation. The test takes about 30 minutes per device, and if everything passes, you receive a certification document you submit to the Irvine water department.
Who needs backflow testing in Irvine?
- Commercial kitchens and restaurants
- Office buildings and commercial offices
- Medical and dental offices
- Schools and childcare facilities
- Multi-unit apartment and condo buildings
- Industrial facilities
- Any property with an irrigation system connected to a commercial water supply
- Properties with fire suppression systems
Common backflow prevention devices
RPZ (Reduced Pressure Zone) assemblies — the most common type for commercial properties. Three check valves with a relief valve between them provide redundant protection. Required for high-hazard applications like restaurants and chemical handling facilities.
Double check valve assemblies — used for moderate-hazard applications. Two check valves in series provide protection for office buildings and residential complexes.
Pressure vacuum breakers — used for irrigation systems and lower-hazard applications.
What happens if you fail
A failed backflow test means the device needs repair or replacement. This needs to happen promptly — most water districts give you a limited window to fix the issue and schedule a re-test. A failing device should never be ignored or bypassed.
Choosing a backflow tester in Irvine
California requires backflow testers to be certified. Look for a tester with a current certification, experience in Orange County, and the ability to handle both testing and any necessary repairs. Your plumber should be able to test, repair, and certify — no need to hire separate companies.
JJJ Plumbing provides certified backflow testing and certification for Irvine and all of Orange County. We handle the testing, paperwork, and any repairs needed to pass. Call (626) 506-6951 to schedule your annual test.