ROCKFORD Water Quality Report
Population
147,051
people served
Water Source
🏔️ Ground
wells & aquifers
National Rank
Top 90%
of 49,184 US systems
5-Year Record
⚠️ 13
violations recorded
C
Fair
Safety Grade
13 violations in the past 5 years
System Details
- PWSID
- IL2010300
- Population Served
- 147,051
- Water Source
- Ground Water
- Owner
- Local Government
- State
- Illinois
- EPA Region
- 5
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 7000 | ⚠ Monitoring/Reporting | 1 |
| Nitrite | ⚠ Monitoring/Reporting | 8 |
| Nitrate | ⚠ Monitoring/Reporting | 4 |
| Vinyl Chloride | ⚠ Monitoring/Reporting | 4 |
| Radium-226 | ⚠ Monitoring/Reporting | 2 |
| Haloacetic Acids (HAA5) | ⚠ Monitoring/Reporting | 3 |
Violation History
2024
5
2023
4
2022
4
2020
8
2010
1
Total violations on record: 22
Service Area
Cities Served
ZIP Codes Served
Recommended Water Filters
Based on contaminants detected in this water system:
Reverse Osmosis System
Removes up to 99% of contaminants including PFAS, lead, arsenic, and nitrates
Removes: Nitrate, Nitrite, Radium-226
Activated Carbon Filter
Effective for chlorine, THMs, pesticides, and taste/odor improvement
Removes: Haloacetic Acids (HAA5), Vinyl Chloride
How does this compare?
This systemNational average
Grade C
Avg: B-C
22violations total
79% of national average
National avg: ~28 per system
🏙️ This is a large system — serving 22× more people than the national average.