Tap water in Chillicothe, IL — ZIP 61523
3 public water systems serving about 152,235 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 61523
Il American-Peoria
PWSID IL1435030 · serves 137,575 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 8.8 ppt — above federal limit
Clark County Cons Pwsd 1
PWSID MO2024138 · serves 8,000 ·
groundwater
0 health-based / 2 total violations (5 yrs)
Chillicothe
PWSID IL1430200 · serves 6,660 ·
groundwater
0 health-based / 26 total violations (5 yrs)
· PFAS up to 5 ppt
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology