California · population 24,897
Lead pipes in Barstow, CA
No lead lines reported
Most of Barstow (population 24,897) gets its water from Golden State Water Co - Barstow, which reported 9,781 service lines and no lead, galvanized or unknown lines.
0% of Golden State Water Co - Barstow'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 0%
- Non-lead 100%
Latest lead test for Golden State Water Co - Barstow (Jan 2023–Dec 2025): 1.6 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 Golden State Water Co - Barstow.
Water systems serving Barstow
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Golden State Water Co - BarstowMain system | 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 Barstow
The counts above cover the whole water system. To see whether your line is lead, look up your address on Golden State Water Co - Barstow'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
- Apple Valleyno lead reported
- Adelantono lead reported
- Hesperiano lead reported
- Big Bear Lakeno lead reported
- San Bernardinono lead reported
- Highlandno lead reported
- Rialtono lead reported
- Redlandsno lead reported
Check another water system
Questions
Does Barstow, CA have lead pipes?
Golden State Water Co - Barstow, which serves Barstow, reported no lead, galvanized or unknown service lines.
Who supplies water to Barstow?
EPA's service area maps place most of Barstow in Golden State Water Co - Barstow's service area (PWSID CA3610043).
How do I check whether my Barstow home has a lead service line?
Search your address on Golden State Water Co - Barstow'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 Barstow 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 Golden State Water Co - Barstow whether your street is scheduled and whether it covers the private side.