Backflow testing for San José Municipal Water customers
Muni Water does not test customers’ backflow assemblies: the account holder or property owner must hire a third-party backflow tester certified by the American Water Works Association. BackflowCare tests assemblies for San José Municipal Water customers in San Jose, and files the results with San José Municipal Water.
- Area
- Santa Clara County
- Cities we serve
- San Jose
- Annual test
- Owner hires a certified tester
- Our price
- $199 per device ($25 off for new customers)
- San José Municipal Water contact
- (408) 277-3671
San José Municipal Water testing rules
- Testing and maintenance of backflow assemblies are the account holder’s or property owner’s responsibility.
- Muni Water recommends hose bib vacuum breakers on all outdoor and indoor hose connections.
Source: San José Municipal Water System backflow program (official page), checked October 19, 2026.
San José Municipal Water rules for new and replacement devices
- Where an onsite hazard assessment is needed, Muni Water decides the process case by case and tells the owner.
Source: San José Municipal Water System backflow program (official page).
San José Municipal Water backflow questions
Who tests backflow devices for San José Municipal Water customers?
Muni Water does not test customers’ backflow assemblies: the account holder or property owner must hire a third-party backflow tester certified by the American Water Works Association.
Which cities does San José Municipal Water serve?
We serve San José Municipal Water customers in San Jose.