Tap water in Monterey Park, CA — ZIP 91754

2 public water systems serving about 203,236 people. PFAS "forever chemicals" have been detected here.

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 91754

California Water Service Co. - Ela

PWSID CA1910036 · serves 142,140 · surface water

0 health-based / 0 total violations (5 yrs) · PFAS up to 12.9 ppt — above federal limit

Monterey Park-City, Water Dept.

PWSID CA1910092 · serves 61,096 · groundwater

1 health-based / 2 total violations (5 yrs) · PFAS up to 7.4 ppt

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