Tap water in San Bernardino, CA — ZIP 92407
3 public water systems serving about 323,788 people. PFAS "forever chemicals" have been detected here.
B
Good
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 92407
San Bernardino City
PWSID CA3610039 · serves 214,665 ·
groundwater
0 health-based / 0 total violations (5 yrs)
· PFAS up to 4.4 ppt
West Valley Water District
PWSID CA3610004 · serves 96,123 ·
surface water
0 health-based / 0 total violations (5 yrs)
Muscoy Mwc No. 1
PWSID CA3610031 · serves 13,000 ·
groundwater
0 health-based / 16 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