Tap water in Los Angeles, CA — ZIP 91436
2 public water systems serving about 3,963,521 people. PFAS "forever chemicals" have been detected here.
A
Excellent
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 91436
Los Angeles-City, Dept. Of Water & Power
PWSID CA1910067 · serves 3,875,566 ·
surface water
0 health-based / 0 total violations (5 yrs)
Western Mwd
PWSID CA3310049 · serves 87,955 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 4.7 ppt
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology