Tap water in Williamsburg, KY — ZIP 40769
3 public water systems serving about 23,692 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 40769
Whitley Co Water District
PWSID KY1180468 · serves 9,825 ·
surface water
3 health-based / 3 total violations (5 yrs)
· PFAS up to 20 ppt — above federal limit
Knox County Utility Commission
PWSID KY0610110 · serves 8,313 ·
surface water
2 health-based / 4 total violations (5 yrs)
Williamsburg Water Department
PWSID KY1180471 · serves 5,554 ·
surface water
0 health-based / 1 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