Tap water in Signal Mountain, TN — ZIP 37415
3 public water systems serving about 284,617 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 37415
Tennessee American Water
PWSID TN0000107 · serves 207,046 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 9.5 ppt
Hixson Utility District
PWSID TN0000303 · serves 68,306 ·
groundwater
0 health-based / 0 total violations (5 yrs)
· PFAS up to 10 ppt
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
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology