STEWARDSON
PWS ID: IL1730400 · STEWARDSON, Illinois 62463
Population Served
747
Total Violations
27
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 350
- County
- Shelby
- School/Daycare
- No
- MCL Violations
- 3
- Monitoring Violations
- 16
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Total Haloacetic Acids (HAA5) | MR | 4 | 2023 |
| Chlorine | MR | 4 | 2020 |
| Revised Total Coliform Rule | MON | 4 | 2020 |
| Coliform (TCR) | MR | 3 | 1995 |
| Coliform (TCR) | MCL | 3 | 1995 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1977 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.