💧 ZIP Water Report

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
C
Monona Waterworks
PWSID WI1130245 · serves 8,624 · groundwater
0 health-based / 0 total violations (5 yrs) · PFAS up to 11 ppt
A

Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology