Tap water in San Dimas, CA — ZIP 79904
3 public water systems serving about 790,168 people. PFAS "forever chemicals" have been detected here.
D
Poor
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 79904
El Paso Water Utilities
PWSID TX0710002 · serves 747,168 ·
surface water
0 health-based / 3 total violations (5 yrs)
· PFAS up to 11 ppt — above federal limit
Fort Bliss Main Post Area
PWSID TX0710020 · serves 28,000 ·
groundwater
0 health-based / 0 total violations (5 yrs)
· PFAS up to 3.7 ppt
East Biggs Water System
PWSID TX0710187 · serves 15,000 ·
surface water
0 health-based / 1 total violations (5 yrs)
· PFAS up to 4.1 ppt
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology