Tap water in Madison, SD — ZIP 57042
2 public water systems serving about 11,991 people.
A
Excellent
Water systems serving 57042
Madison
PWSID SD4600199 · serves 6,191 ·
groundwater
0 health-based / 0 total violations (5 yrs)
Big Sioux Community Water System
PWSID SD4600429 · serves 5,800 ·
groundwater
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