EJ WATER COOPERATIVE Water Quality Report
Population
29,720
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 90%
of 49,184 US systems
5-Year Record
⚠️ 63
violations recorded
C
Fair
Safety Grade
63 violations in the past 5 years, including 2 health-based
System Details
- PWSID
- IL0790010
- Population Served
- 29,720
- Water Source
- Surface Water
- Owner
- Private
- State
- Illinois
- EPA Region
- 5
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 7000 | ⚠ Monitoring/Reporting | 2 |
| Contaminant 3100 | ✕ Health-Based | 2 |
| Contaminant 8000 | ⚠ Monitoring/Reporting | 2 |
| Contaminant 0999 | ⚠ Monitoring/Reporting | 2 |
| Bromate | ⚠ Monitoring/Reporting | 6 |
| Total Trihalomethanes (TTHMs) | ⚠ Monitoring/Reporting | 3 |
| Contaminant 0100 | ⚠ Monitoring/Reporting | 18 |
| Contaminant 3015 | ⚠ Monitoring/Reporting | 17 |
| Total Coliform | ⚠ Monitoring/Reporting | 18 |
Violation History
2025
8
2024
51
2022
4
2018
4
2015
2
2006
1
Total violations on record: 70
Service Area
Cities Served
ZIP Codes Served
Recommended Water Filters
Based on contaminants detected in this water system:
Activated Carbon Filter
Effective for chlorine, THMs, pesticides, and taste/odor improvement
Removes: Total Trihalomethanes (TTHMs)
UV Water Purifier
Kills bacteria and viruses without chemicals
Removes: Total Coliform
How does this compare?
This systemNational average
Grade C
Avg: B-C
70violations total
250% of national average
National avg: ~28 per system
📍 Mid-to-large system — serves 4× the national average.