💧 ZIP Water Report

Tap water in Willowbrook, IL — ZIP 60527

5 public water systems serving about 59,293 people.

B
Good

Water systems serving 60527

Westmont
PWSID IL0430950 · serves 24,161 · surface water
0 health-based / 0 total violations (5 yrs)
A
Burr Ridge
PWSID IL0434190 · serves 11,192 · surface water
0 health-based / 2 total violations (5 yrs)
A
Willowbrook
PWSID IL0431100 · serves 9,000 · surface water
0 health-based / 6 total violations (5 yrs)
B
Clark County Cons Pwsd 1
PWSID MO2024138 · serves 8,000 · groundwater
0 health-based / 2 total violations (5 yrs)
A
Southeast Regional Water Facility
PWSID IL0430060 · serves 6,940 · surface water
0 health-based / 1 total violations (5 yrs)
A

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