💧 ZIP Water Report

Tap water in La Verne, CA — ZIP 91750

3 public water systems serving about 188,839 people. PFAS "forever chemicals" have been detected here.

C
Fair
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 91750

Walnut Valley Water District
PWSID CA1910234 · serves 100,941 · surface water
0 health-based / 0 total violations (5 yrs)
A
Gswc-San Dimas
PWSID CA1910142 · serves 56,564 · surface water
0 health-based / 0 total violations (5 yrs) · PFAS up to 20 ppt — above federal limit
C
La Verne, City Wd
PWSID CA1910062 · serves 31,334 · surface water
0 health-based / 0 total violations (5 yrs)
A

Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology