Tap water in Coupland, TX — ZIP 78750
3 public water systems serving about 1,160,764 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 78750
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
Manville Wsc
PWSID TX2270033 · serves 39,648 ·
surface water
4 health-based / 9 total violations (5 yrs)
· PFAS up to 24.3 ppt — above federal limit
Williamson Travis County Mud 1
PWSID TX2460120 · serves 5,793 ·
surface water
0 health-based / 2 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