California · population 84,867
Lead pipes in Livermore, CA
14,400 lines still unidentified
Most of Livermore (population 84,867) gets its water from California Water Service - Livermore. It reported no confirmed lead service lines, but 14,400 of 18,889 lines are still listed as unknown material, so lead hasn't been ruled out.
0% of California Water Service - Livermore's service lines are lead or galvanized requiring replacement, lower than the California average (0.1%) and lower than the national average (3.1%).
- Lead 0%
- Galvanized (replace) 0%
- Unknown 76%
- Non-lead 24%
Latest lead test for California Water Service - Livermore (Jan 2022–Dec 2024): 7.5 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.
Compliance record: EPA lists no Lead and Copper Rule violations since 2015 for California Water Service - Livermore.
Water systems serving Livermore
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| California Water Service - LivermoreMain system | 0 | 0 | 14,400 | 0% |
| City of LivermoreAlso serves parts of the city | 0 | 0 | 0 | 0% |
Matched from EPA water system service area boundaries and the cities each system reports serving. Edges of the city may be served by a neighboring system; your water bill names your utility.
Check your address in Livermore
The counts above cover the whole water system. To see whether your line is lead, look up your address on California Water Service - Livermore's official inventory. Utilities had to make these public by October 16, 2024.
No map yet? Do the 2-minute scratch and magnet test.
Protect your drinking water
If your line is lead, galvanized or unknown, use a filter certified to NSF/ANSI 53 for lead for drinking, cooking and baby formula, and use only cold water.
Choosing a lead-certified filter · Testing your water · Replacement cost
Nearby cities
Check another water system
Questions
Does Livermore, CA have lead pipes?
None are confirmed, but California Water Service - Livermore still lists 14,400 service lines as unknown material.
Who supplies water to Livermore?
EPA's service area maps place most of Livermore in California Water Service - Livermore's service area (PWSID CA0110003). City of Livermore also serves parts of the city or nearby areas.
How do I check whether my Livermore home has a lead service line?
Search your address on California Water Service - Livermore's service line inventory map. You can also scratch the pipe where water enters your home: lead is soft, dull gray, scratches to shiny silver and doesn't attract a magnet.
When will lead pipes in Livermore be replaced?
EPA's Lead and Copper Rule Improvements require most systems to replace lead and galvanized-requiring-replacement lines by December 31, 2037. Ask California Water Service - Livermore whether your street is scheduled and whether it covers the private side.