Backflow testing & repair in East Palo Alto, CA
BackflowCare tests backflow prevention assemblies in East Palo Alto (San Mateo County) and files the results with East Palo Alto water service. In East Palo Alto the annual backflow test is required under California’s rules and done by a certified tester the property owner hires. If a device fails, we make minor repairs and file the passing retest with East Palo Alto.
- County
- San Mateo County
- Water supplier
- East Palo Alto water service
- Annual test
- East Palo Alto: owner hires a certified tester
- Our price
- $199 per device ($25 off for new customers), or from $180/year on a plan
- ZIP codes
- 94303
What East Palo Alto requires in East Palo Alto
- Since July 2024, California’s Cross-Connection Control Policy Handbook sets the statewide rules water suppliers follow, including annual testing of backflow prevention assemblies.
Source: California State Water Board Cross-Connection Control Policy Handbook (official page), checked October 19, 2026.
Backflow questions from East Palo Alto property owners
Which water supplier serves East Palo Alto?
East Palo Alto water service supplies water in East Palo Alto (ZIP 94303) and runs its backflow program.
Who tests backflow devices for East Palo Alto customers in East Palo Alto?
In East Palo Alto the annual backflow test is required under California’s rules and done by a certified tester the property owner hires.