Tap water in Johnson City, TN — ZIP 37692
2 public water systems serving about 109,584 people.
A
Excellent
Water systems serving 37692
Johnson City Water Dept
PWSID TN0000331 · serves 105,057 ·
surface water
0 health-based / 1 total violations (5 yrs)
Unicoi Utility District
PWSID TN0000719 · serves 4,527 ·
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