MINONK
PWS ID: IL2030400 · MINONK, Illinois 61760
Population Served
1,928
Total Violations
151
Health-Based Violations
88
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 988
- County
- Woodford
- School/Daycare
- No
- MCL Violations
- 88
- Monitoring Violations
- 60
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Gross Alpha, Excl. Radon and U | MCL | 39 | 1989 |
| Combined Radium (-226 and -228) | MCL | 36 | 1993 |
| Fluoride | MCL | 13 | 1985 |
| Gross Alpha, Excl. Radon and U | MR | 4 | 2002 |
| Xylenes, Total | MR | 3 | 1992 |
| p-Dichlorobenzene | MR | 3 | 1992 |
| 1,1-Dichloroethylene | MR | 3 | 1992 |
| Carbon tetrachloride | MR | 3 | 1992 |
| 1,2-Dichloropropane | MR | 3 | 1992 |
| CHLOROBENZENE | MR | 3 | 1992 |
| Toluene | MR | 3 | 1992 |
| Ethylbenzene | MR | 3 | 1992 |
| Combined Radium (-226 and -228) | MR | 3 | 2002 |
| cis-1,2-Dichloroethylene | MR | 3 | 1992 |
| Trichloroethylene | MR | 3 | 1992 |
| 1,1,1-Trichloroethane | MR | 3 | 1992 |
| trans-1,2-Dichloroethylene | MR | 3 | 1992 |
| Benzene | MR | 3 | 1992 |
| 1,2-Dichloroethane | MR | 3 | 1992 |
| Tetrachloroethylene | MR | 3 | 1992 |
| o-Dichlorobenzene | MR | 3 | 1992 |
| Styrene | MR | 3 | 1992 |
| Lead and Copper Rule | MR | 2 | 1996 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.