WEST CHICAGO Water Quality Report
Population
25,166
people served
Water Source
🏔️ Ground
wells & aquifers
National Rank
Top 43%
of 49,184 US systems
5-Year Record
✅ Clean
no violations
A
Safe
Safety Grade
0 violations in the past 5 years
System Details
- PWSID
- IL0430900
- Population Served
- 25,166
- Water Source
- Ground Water
- Owner
- Local Government
- State
- Illinois
- EPA Region
- 5
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 7500 | ⚠ Monitoring/Reporting | 2 |
Violation History
2005
2
Total violations on record: 2
Service Area
Cities Served
ZIP Codes Served
How does this compare?
This systemNational average
Grade A
Avg: B-C
2violations total
7% of national average
National avg: ~28 per system
📍 Mid-to-large system — serves 4× the national average.