Tap water in Monterey Park, CA — ZIP 91755
3 public water systems serving about 327,547 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 91755
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
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
Gswc-South San Gabriel
PWSID CA1910223 · serves 26,451 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 5.6 ppt
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology