Tap water in Knottsville, KY — ZIP 42347

2 public water systems serving about 28,508 people. PFAS "forever chemicals" have been detected here.

Fair

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 42347

Ohio County Water District

PWSID KY0920332 · serves 16,511 · surface water

0 health-based / 0 total violations (5 yrs)

E Daviess Co Water Assoc Inc

PWSID KY0300109 · serves 11,997 · groundwater

0 health-based / 0 total violations (5 yrs) · PFAS up to 5 ppt — above federal limit

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