💧 ZIP Water Report

Tap water in Riverdale, IL — ZIP 60827

3 public water systems serving about 2,740,016 people.

B
Good

Water systems serving 60827

Chicago
PWSID IL0316000 · serves 2,721,308 · surface water
0 health-based / 9 total violations (5 yrs)
B
Riverdale
PWSID IL0312580 · serves 10,266 · surface water
0 health-based / 1 total violations (5 yrs)
A
Calumet Park
PWSID IL0310420 · serves 8,442 · surface water
0 health-based / 8 total violations (5 yrs)
B

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