GREEN OAKS Water Quality Report
Population
1,470
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 90%
of 49,184 US systems
5-Year Record
⚠️ 5
violations recorded
C
Fair
Safety Grade
5 violations in the past 5 years, including 2 health-based
System Details
- PWSID
- IL0970040
- Population Served
- 1,470
- Water Source
- Surface Water
- Owner
- Local Government
- State
- Illinois
- EPA Region
- 5
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 5000 | ✕ Health-Based | 2 |
| Contaminant 5200 | ✕ Health-Based | 3 |
| Contaminant 7000 | ⚠ Monitoring/Reporting | 1 |
| Contaminant 7500 | ⚠ Monitoring/Reporting | 1 |
Violation History
2025
3
2024
2
1997
1
1996
1
Total violations on record: 7
Service Area
Cities Served
ZIP Codes Served
How does this compare?
This systemNational average
Grade C
Avg: B-C
7violations total
25% of national average
National avg: ~28 per system
🏘️ Small community water system.