Tap water in Madison, IN — ZIP 47231
2 public water systems serving about 19,188 people. PFAS "forever chemicals" have been detected here.
F
Failing
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 47231
Madison Water Department
PWSID IN5239006 · serves 15,323 ·
groundwater
0 health-based / 5 total violations (5 yrs)
· PFAS up to 8.5 ppt — above federal limit
Dupont Water Company
PWSID IN5240004 · serves 3,865 ·
groundwater
0 health-based / 4 total violations (5 yrs)
· PFAS up to 5.4 ppt
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology