💧 ZIP Water Report

Tap water in St. Charles, IL — ZIP 60174

1 public water system serving about 33,081 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 60174

St Charles
PWSID IL0894830 · serves 33,081 · groundwater
0 health-based / 2 total violations (5 yrs) · PFAS up to 7.5 ppt
B

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