MOUNT STERLING
PWS ID: IL0090100 · MT. STERLING, Illinois 62353
Population Served
3,271
Total Violations
26
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,258
- County
- Brown
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 9
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 6 | 2013 |
| Coliform (TCR) | MR | 6 | 2005 |
| Coliform (TCR) | MCL | 4 | 2005 |
| Lead and Copper Rule | MR | 2 | 2010 |
| 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.