WENONA
PWS ID: IL1234950 · WENONA, Illinois 61377
Population Served
974
Total Violations
136
Health-Based Violations
91
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 541
- County
- Marshall
- School/Daycare
- No
- MCL Violations
- 86
- Monitoring Violations
- 14
- Treatment Tech Violations
- 5
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Combined Radium (-226 and -228) | MCL | 46 | 2024 |
| Gross Alpha, Excl. Radon and U | MCL | 37 | 1989 |
| Combined Radium (-226 and -228) | MR | 8 | 2024 |
| Lead and Copper Rule | TT | 5 | 1995 |
| Coliform (TCR) | MR | 4 | 1992 |
| LEAD AND COPPER RULE REVISIONS | RPT | 4 | 2025 |
| Coliform (TCR) | MCL | 3 | 1992 |
| Consumer Confidence Rule | Other | 2 | 2011 |
| Public Notice | Other | 2 | 2025 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1977 |
| Total Haloacetic Acids (HAA5) | MR | 1 | 2025 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.