Backflow testing & repair in Dublin, CA
BackflowCare tests backflow prevention assemblies in Dublin (Alameda County) and files the results with Dublin San Ramon Services District. DSRSD employees don’t test backflow devices: customers hire a tester from the District’s approved list. If a device fails, we make minor repairs and file the passing retest with DSRSD.
- County
- Alameda County
- Water supplier
- Dublin San Ramon Services District
- Annual test
- DSRSD: owner hires a certified tester
- Our price
- $199 per device ($25 off for new customers), or from $180/year on a plan
- ZIP codes
- 94568
What DSRSD requires in Dublin
- DSRSD requires annual testing and mails notices listing each assembly, its serial number, location and due date.
- Results for existing devices are submitted through the Tokay test entry website.
- Testers must be certified by AWWA, NCBPA or a similar District-approved program.
- DSRSD charges a bimonthly administration fee to customers who are required to have a backflow device.
Source: DSRSD backflow program (official page), checked October 17, 2026.
Rules for new and replacement devices in Dublin
- Commercial, industrial, irrigation and multi-family services need a reduced pressure (RP) assembly; fire lines need at least a double check detector assembly.
Source: DSRSD backflow program (official page).
Installing or replacing a device takes a licensed plumbing contractor, usually with a permit. We can refer you to one we trust, test the new device once it’s in, and make minor repairs to existing ones.
Backflow questions from Dublin property owners
Which water supplier serves Dublin?
Dublin San Ramon Services District supplies water in Dublin (ZIP 94568) and runs its backflow program.
Who tests backflow devices for DSRSD customers in Dublin?
DSRSD employees don’t test backflow devices: customers hire a tester from the District’s approved list.
When is the backflow test due in Dublin?
DSRSD requires annual testing and mails notices listing each assembly, its serial number, location and due date.