OTTER CREEK LAKE UTILITIES DISTRICT
PWS ID: IL2015320 · DAVIS, Illinois 61019
Population Served
2,342
Total Violations
138
Health-Based Violations
2
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,374
- County
- Winnebago
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 127
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Xylenes, Total | MR | 7 | 1993 |
| o-Dichlorobenzene | MR | 7 | 1993 |
| p-Dichlorobenzene | MR | 7 | 1993 |
| 1,1-Dichloroethylene | MR | 7 | 1993 |
| trans-1,2-Dichloroethylene | MR | 7 | 1993 |
| 1,2-Dichloroethane | MR | 7 | 1993 |
| Carbon tetrachloride | MR | 7 | 1993 |
| 1,2-Dichloropropane | MR | 7 | 1993 |
| Trichloroethylene | MR | 7 | 1993 |
| Tetrachloroethylene | MR | 7 | 1993 |
| CHLOROBENZENE | MR | 7 | 1993 |
| cis-1,2-Dichloroethylene | MR | 7 | 1993 |
| 1,1,1-Trichloroethane | MR | 7 | 1993 |
| Benzene | MR | 7 | 1993 |
| Ethylbenzene | MR | 7 | 1993 |
| Styrene | MR | 7 | 1993 |
| Toluene | MR | 7 | 1993 |
| Coliform (TCR) | MR | 3 | 1992 |
| Coliform (TCR) | MCL | 2 | 1992 |
| Nitrate | MR | 2 | 2007 |
| Combined Radium (-226 and -228) | MR | 2 | 2021 |
| LEAD AND COPPER RULE REVISIONS | RPT | 2 | 2025 |
| 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.