CHENOA
PWS ID: IL1130300 · CHENOA, Illinois 61726
Population Served
1,785
Total Violations
127
Health-Based Violations
80
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 850
- County
- McLean
- School/Daycare
- No
- MCL Violations
- 72
- Monitoring Violations
- 30
- Treatment Tech Violations
- 8
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 35 | 2023 |
| Combined Radium (-226 and -228) | MCL | 24 | 1991 |
| Fluoride | MCL | 13 | 1985 |
| Lead and Copper Rule | MR | 11 | 2025 |
| Lead and Copper Rule | TT | 8 | 2023 |
| Chlorine | MR | 6 | 2013 |
| TTHM | MR | 5 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 5 | 2025 |
| Combined Radium (-226 and -228) | MR | 2 | 2020 |
| Public Notice | Other | 2 | 2009 |
| 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.