💧 ZIP Water Report

Tap water in Knoxville, TN — ZIP 37871

2 public water systems serving about 282,343 people. PFAS "forever chemicals" have been detected here.

D
Poor
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 37871

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
A
Shady Grove Utility District
PWSID TN0000626 · serves 27,672 · surface water
0 health-based / 1 total violations (5 yrs) · PFAS up to 4.7 ppt — above federal limit
D

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