DOWNERS GROVE Water Quality Report
Population
49,425
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
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
- IL0430300
- Population Served
- 49,425
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Illinois
- EPA Region
- 5
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 7000 | ⚠ Monitoring/Reporting | 2 |
| Contaminant 8000 | ⚠ Monitoring/Reporting | 2 |
| Contaminant 0999 | ⚠ Monitoring/Reporting | 2 |
Violation History
2017
4
2013
1
2012
1
Total violations on record: 6
Service Area
Cities Served
ZIP Codes Served
How does this compare?
This systemNational average
Grade A
Avg: B-C
6violations total
21% of national average
National avg: ~28 per system
📍 Mid-to-large system — serves 7× the national average.