Tap water in Johnston City, IL — ZIP 62951
2 public water systems serving about 7,436 people. PFAS "forever chemicals" have been detected here.
D
Poor
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 62951
Corinth Pwd
PWSID IL1995120 · serves 3,927 ·
surface water
0 health-based / 4 total violations (5 yrs)
· PFAS up to 5.6 ppt
Johnston City
PWSID IL1990500 · serves 3,509 ·
surface water
1 health-based / 5 total violations (5 yrs)
· PFAS up to 5.2 ppt
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology