How often does a backflow preventer need to be inspected?

Inspection and testing schedules for backflow preventers are set by your local Water District. There isn’t one universal timeline. After installation, the device is typically inspected and tested by the Water District before final approval. Most districts require periodic re-testing to keep compliance. In Novato and Petaluma, we install the device and help you prepare for the Water District’s inspection and test.

Quick checks:

• Look for the test tag/date on the device.
• Call your Water District for the current testing interval.
• Schedule testing after any repair or relocation.

Updated: 2025-12-30 00:00:00

Need help in Rohnert Park, CA? Call (415) 862-8961 or book online.

"I needed to get a backflow prevention device installed... Shortly thereafter the job passed the Water District's inspection and test." — Ramsay B.