Tap water in Laredo, TX — ZIP 78046
2 public water systems serving about 268,404 people. PFAS "forever chemicals" have been detected here.
F
Failing
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 78046
City Of Laredo
PWSID TX2400001 · serves 260,046 ·
surface water
3 health-based / 9 total violations (5 yrs)
· PFAS up to 10.6 ppt
Webb County Water Utilities
PWSID TX2400022 · serves 8,358 ·
surface water
14 health-based / 16 total violations (5 yrs)
· PFAS up to 5.1 ppt
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology