Barstow · San Bernardino County · tap water report
Barstow tap water: lead 0.0016 mg/L, 1 health-based EPA violation on record. Plain-English report and a free home water test.
4 measured results on file across every sampling period the EPA publishes.
Golden State Water Co - Barstow (PWSID CA3610043) has 1 violation in the EPA Safe Drinking Water Information System, all of them health-based, the most recent beginning Nov 2009.
Golden State Water Co - Barstow has no health-based EPA violations in the last three years, and 1 older one on record. Its measured lead results are listed on this page. What your own plumbing adds is a separate question, which is what the free in-home test answers.
Golden State Water Co - Barstow's most recent Lead and Copper Rule result, from the 2023 to 2025 monitoring period, measured 0.0016 mg/L of lead at the 90th percentile of tested homes. The federal action level is 0.015 mg/L, so the system result sits under it. Lead usually enters water from a home's own pipes and fixtures, so a single house can differ from the system figure.
The EPA record lists 1 violation for this system, all of them health-based, the most recent beginning Nov 2009.
Golden State Water Co - Barstow serves about 32,445 people in San Bernardino County and relies mainly on ground water. It is public water system CA3610043.
Text 949-414-9944 for a free water test. A local FilteredWTR tech screens the water at your own faucet for hardness, chlorine and sediment and explains each reading while you watch. The visit is free, and afterward the decision stays yours.
A local FilteredWTR tech screens the water at your faucet for hardness, chlorine and sediment and explains each reading while you watch. The visit is free, and afterward the decision stays yours.
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