Tap water in Downey, CA — ZIP 90701
2 public water systems serving about 122,887 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 90701
Liberty Utilities - Bellflower-Norwalk
PWSID CA1910211 · serves 72,472 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 59 ppt — above federal limit
Gswc - Artesia
PWSID CA1910004 · serves 50,415 ·
groundwater
0 health-based / 0 total violations (5 yrs)
· PFAS up to 13 ppt — above federal limit
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology