Tap water in Knoxville, TN — ZIP 37922
2 public water systems serving about 370,202 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 37922
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
First U.d. Of Knox County
PWSID TN0000369 · serves 115,531 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 6.4 ppt
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology