Tap water in Hardin, IL — ZIP 62006

2 public water systems serving about 16,966 people. PFAS "forever chemicals" have been detected here.

Excellent

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 62006

Cahokia Heights

PWSID IL1635000 · serves 12,528 · surface water

0 health-based / 0 total violations (5 yrs) · PFAS up to 14.8 ppt

Calhoun County Rwd

PWSID IL0130010 · serves 4,438 · 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