Tap water in Chattanooga, TN — ZIP 37421
3 public water systems serving about 326,301 people. PFAS "forever chemicals" have been detected here.
B
Good
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 37421
Tennessee American Water
PWSID TN0000107 · serves 207,046 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 9.5 ppt
Catoosa Util. Dist. Authority
PWSID GA0470000 · serves 59,643 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 32.5 ppt
Eastside Utility District
PWSID TN0000219 · serves 59,612 ·
surface water
0 health-based / 3 total violations (5 yrs)
· PFAS up to 11.2 ppt
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology