Tap water in Austin, TX — ZIP 78735

2 public water systems serving about 1,150,987 people. PFAS "forever chemicals" have been detected here.

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 78735

City Of Austin Water & Wastewater

PWSID TX2270001 · serves 1,115,323 · surface water

1 health-based / 1 total violations (5 yrs) · PFAS up to 8.4 ppt — above federal limit

West Travis County Public Utility Agency

PWSID TX2270235 · serves 35,664 · surface water

1 health-based / 4 total violations (5 yrs) · PFAS up to 6.5 ppt

Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology