Tap water in Signal Mountain, TN — ZIP 37377
2 public water systems serving about 17,026 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 37377
Walden's Ridge U.d.
PWSID TN0000635 · serves 9,265 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 5.1 ppt
Signal Mountain Water System
PWSID TN0000634 · serves 7,761 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 11 ppt
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology