Backflow testing for Livermore Municipal Water customers
Only Livermore Municipal Water-approved backflow testers may test in its service area; customers book a tester from the approved list. BackflowCare tests assemblies for Livermore Municipal Water customers in Livermore, and files the results with Livermore Municipal Water.
- Area
- Alameda County
- Cities we serve
- Livermore
- Annual test
- Owner hires a certified tester
- Deadline
- The City mails a notice when devices are due, listing each assembly’s serial number, location and the test report due date.
- Our price
- $199 per device ($25 off for new customers)
- Livermore Municipal Water contact
- (925) 960-4320
Livermore Municipal Water testing rules
- Backflow devices on domestic, irrigation and fire service lines must be tested every year.
- Backflow assemblies are owned by the customer.
Source: Livermore Municipal Water backflow program (official page), checked October 19, 2026.
Livermore Municipal Water rules for new and replacement devices
- Main fire service lines use a double check detector assembly (DCDA); reduced pressure (RP) assemblies protect domestic lines.
Source: Livermore Municipal Water backflow program (official page).
Livermore Municipal Water backflow questions
Who tests backflow devices for Livermore Municipal Water customers?
Only Livermore Municipal Water-approved backflow testers may test in its service area; customers book a tester from the approved list.
Which cities does Livermore Municipal Water serve?
We serve Livermore Municipal Water customers in Livermore.
When is the Livermore Municipal Water backflow test due?
The City mails a notice when devices are due, listing each assembly’s serial number, location and the test report due date.