💧 ZIP Water Report

Tap water in Jonesborough, TN — ZIP 37650

3 public water systems serving about 50,074 people. PFAS "forever chemicals" have been detected here.

C
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 37650

Jonesborough Water Dept
PWSID TN0000338 · serves 33,069 · surface water
1 health-based / 2 total violations (5 yrs)
B
Erwin Utilities Authority
PWSID TN0000231 · serves 12,478 · surface water
0 health-based / 0 total violations (5 yrs) · PFAS up to 7.5 ppt — above federal limit
C
Unicoi Utility District
PWSID TN0000719 · serves 4,527 · surface water
0 health-based / 0 total violations (5 yrs)
A

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