Tap water in Barstow, CA — ZIP 92311
2 public water systems serving about 32,571 people. PFAS "forever chemicals" have been detected here.
F
Failing
PFAS detected: at least one system serving this ZIP reported PFAS in EPA UCMR 5
testing. Levels and the 2024 federal limits are shown per system below.
Water systems serving 92311
Golden State Water Co - Barstow
PWSID CA3610043 · serves 32,445 ·
groundwater
0 health-based / 0 total violations (5 yrs)
· PFAS up to 5.7 ppt — above federal limit
Bar-Len Mwc
PWSID CA3600025 · serves 126 ·
groundwater
19 health-based / 23 total violations (5 yrs)
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology