Tap water in Monona, WI — ZIP 53716
2 public water systems serving about 280,624 people. PFAS "forever chemicals" have been detected here.
C
Fair
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 53716
Madison Water Utility
PWSID WI1130224 · serves 272,000 ·
groundwater
1 health-based / 2 total violations (5 yrs)
· PFAS up to 46.5 ppt
Monona Waterworks
PWSID WI1130245 · serves 8,624 ·
groundwater
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