Tap water in Lago Vista, TX — ZIP 78645
2 public water systems serving about 16,600 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 78645
City Of Lago Vista
PWSID TX2270092 · serves 8,698 ·
surface water
3 health-based / 14 total violations (5 yrs)
· PFAS up to 7.4 ppt
Jonestown Wsc
PWSID TX2270011 · serves 7,902 ·
surface water
0 health-based / 9 total violations (5 yrs)
· PFAS up to 7 ppt
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology