OLMSTED
PWS ID: IL1530250 · OLMSTED, Illinois 62970
Population Served
435
Total Violations
78
Health-Based Violations
13
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 217
- County
- Pulaski
- School/Daycare
- No
- MCL Violations
- 13
- Monitoring Violations
- 48
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 21 | 2005 |
| Coliform (TCR) | MCL | 13 | 2005 |
| Chlorine | MR | 8 | 2020 |
| Lead and Copper Rule | MR | 6 | 2020 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2017 |
| TTHM | MR | 4 | 2017 |
| Revised Total Coliform Rule | MON | 4 | 2020 |
| 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.