Tap water in Knoxville, TN — ZIP 37923
2 public water systems serving about 332,496 people. PFAS "forever chemicals" have been detected here.
A
Excellent
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 37923
Knoxville Utilities Board - Kub
PWSID TN0000366 · serves 254,671 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 3.7 ppt
West Knox Utility District
PWSID TN0000371 · serves 77,825 ·
surface water
0 health-based / 0 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