Tap water in Montebello, CA — ZIP 90640
6 public water systems serving about 432,651 people. PFAS "forever chemicals" have been detected here.
D
Poor
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 90640
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
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
Montebello Land & Water Co.
PWSID CA1910091 · serves 26,554 ·
groundwater
0 health-based / 1 total violations (5 yrs)
· PFAS up to 53 ppt — above federal limit
South Montebello Irrigation Dist.
PWSID CA1910153 · serves 15,021 ·
groundwater
0 health-based / 0 total violations (5 yrs)
· PFAS up to 20.1 ppt — above federal limit
San Gabriel Valley Water Co-Montebello 1
PWSID CA1910189 · serves 5,205 ·
groundwater
0 health-based / 0 total violations (5 yrs)
San Gabriel Valley Water Co-Montebello 2
PWSID CA1910117 · serves 3,731 ·
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