M C L W SYSTEM, INC.
PWS ID: IL1315150 · MILAN, Illinois 61264
Population Served
98
Total Violations
78
Health-Based Violations
2
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 32
- County
- Mercer
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 72
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 13 | 2015 |
| Chlorine | MR | 8 | 2015 |
| Barium | MR | 4 | 2002 |
| Chromium | MR | 4 | 2002 |
| Nickel | MR | 4 | 2002 |
| Thallium, Total | MR | 4 | 2002 |
| Arsenic | MR | 4 | 2002 |
| Fluoride | MR | 4 | 2002 |
| Selenium | MR | 4 | 2002 |
| CYANIDE | MR | 4 | 2002 |
| Beryllium, Total | MR | 4 | 2002 |
| Cadmium | MR | 4 | 2002 |
| Antimony, Total | MR | 4 | 2002 |
| Mercury | MR | 4 | 2002 |
| Lead and Copper Rule | MR | 2 | 1995 |
| Lead and Copper Rule | TT | 2 | 1996 |
| 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.