ST ELMO
PWS ID: IL0510250 · ST ELMO, Illinois 62458
Population Served
1,272
Total Violations
105
Health-Based Violations
29
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 600
- County
- Fayette
- School/Daycare
- No
- MCL Violations
- 8
- Monitoring Violations
- 53
- Treatment Tech Violations
- 21
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | MR | 35 | 1994 |
| Surface Water Treatment Rule | TT | 21 | 1996 |
| Atrazine | MCL | 8 | 1997 |
| Coliform (TCR) | MR | 7 | 1997 |
| TTHM | MR | 4 | 2014 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2014 |
| Chlorine | MR | 2 | 2011 |
| 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.