Tap water in Glendora, CA — ZIP 91740
3 public water systems serving about 211,019 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 91740
Azusa Light And Water
PWSID CA1910007 · serves 110,044 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 7.7 ppt — above federal limit
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
Glendora-City, Water Dept.
PWSID CA1910044 · serves 44,411 ·
surface water
0 health-based / 0 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