Water Quality: Barstow, CA

3 water systems • 1,364 people served

Multiple Health Violations
134
Total Violations
120
Health-Based Violations
3
Water Systems
1,364
Population Served

Water Quality Summary

Barstow is served by 3 public water systems with a combined service population of 1,364 people, and has 134 EPA Safe Drinking Water Act violations on record. Critically, 120 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Barstow's violation count is 179% above the national average for California. Contaminants associated with violations include Barium, Stage 2 DBP.

Contaminants Found

Barium

Increases blood pressure and causes cardiovascular effects with long-term exposure.

Common source: Natural rock deposits, oil drilling operations, coal power plant waste

EPA limit: 2 mg/L

Stage 2 DBP

Trihalomethanes and haloacetic acids that increase cancer risk and may cause adverse reproductive outcomes.

Common source: Chlorine disinfection reacting with natural organic matter in source water

EPA limit: TTHM: 0.080 mg/L; HAA5: 0.060 mg/L

Water Systems Serving Barstow

System Name PWSID Source Population Violations
USMC NEBO (BARSTOW) CA3610701 Groundwater 1,126 3
BAR-LEN MWC CA3600025 Groundwater 126 118
HI DESERT MWC CA3600123 Groundwater 112 13

Concerned About Your Water?

A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.

Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.

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Data Sources

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.

Verify at epa.govSearch ECHO for CA