WILLISVILLE
PWS ID: IL1450300 · WILLISVILLE, Illinois 62997
Population Served
799
Total Violations
61
Health-Based Violations
5
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 350
- County
- Perry
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 36
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 14 | 2021 |
| TTHM | MR | 12 | 2024 |
| Total Haloacetic Acids (HAA5) | MR | 8 | 2023 |
| Chlorite | MCL | 5 | 2010 |
| Consumer Confidence Rule | Other | 4 | 2010 |
| Public Notice | Other | 2 | 2025 |
| Coliform (TCR) | MR | 2 | 1998 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.