IOLA
PWS ID: IL0250010 · IOLA, Illinois 62838
Population Served
158
Total Violations
46
Health-Based Violations
36
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 61
- County
- Clay
- School/Daycare
- No
- MCL Violations
- 36
- Monitoring Violations
- 10
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 26 | 2005 |
| Total Haloacetic Acids (HAA5) | MCL | 10 | 2005 |
| Coliform (TCR) | MR | 4 | 1995 |
| Lead and Copper Rule | MR | 4 | 2019 |
| Chlorine | MR | 2 | 2012 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.