BIG RIVER STATE FOREST OFFICE
PWS ID: IL3115618 · KEITHSBURG, Illinois 61442
Population Served
25
Total Violations
50
Health-Based Violations
18
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- State
- Connections
- 2
- County
- Henderson
- School/Daycare
- No
- MCL Violations
- 18
- Monitoring Violations
- 32
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 18 | 2020 |
| Nitrate | MCL | 10 | 2010 |
| Coliform (TCR) | MCL | 8 | 2007 |
| Coliform (TCR) | MR | 7 | 2010 |
| Revised Total Coliform Rule | MON | 7 | 2021 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.