💧 ZIP Water Report

Tap water in La Puente, CA — ZIP 91745

7 public water systems serving about 486,962 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 91745

San Gabriel Valley Water Co.-El Monte
PWSID CA1910039 · serves 240,000 · groundwater
0 health-based / 0 total violations (5 yrs) · PFAS up to 10 ppt
A
Suburban Water Systems-San Jose
PWSID CA1910205 · serves 170,523 · surface water
0 health-based / 1 total violations (5 yrs) · PFAS up to 6.2 ppt
B
Rowland Water District
PWSID CA1910194 · serves 56,100 · surface water
0 health-based / 0 total violations (5 yrs) · PFAS up to 10 ppt
A
La Puente Valley Cwd
PWSID CA1910060 · serves 8,276 · groundwater
0 health-based / 0 total violations (5 yrs)
A
City Of Industry Waterworks Systems
PWSID CA1910029 · serves 6,151 · groundwater
0 health-based / 0 total violations (5 yrs)
A
Suburban Water Systems-Glendora
PWSID CA1910046 · serves 5,301 · surface water
0 health-based / 0 total violations (5 yrs)
A
Csa 70 W-3 Hacienda
PWSID CA3600114 · serves 611 · groundwater
18 health-based / 18 total violations (5 yrs)
F

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