WINDSOR
PWS ID: IL1730550 · WINDSOR, Illinois 61957
Population Served
1,200
Total Violations
71
Health-Based Violations
12
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 550
- County
- Shelby
- School/Daycare
- No
- MCL Violations
- 3
- Monitoring Violations
- 47
- Treatment Tech Violations
- 9
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | TT | 9 | 2022 |
| Coliform (TCR) | MR | 6 | 1993 |
| Selenium | MR | 4 | 1987 |
| Arsenic | MR | 4 | 1987 |
| Cadmium | MR | 4 | 1987 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2023 |
| TTHM | MR | 4 | 2023 |
| Chromium | MR | 4 | 1987 |
| Fluoride | MR | 4 | 1987 |
| Consumer Confidence Rule | Other | 4 | 2021 |
| Barium | MR | 4 | 1987 |
| Mercury | MR | 4 | 1987 |
| Nitrate | MR | 4 | 1987 |
| Coliform (TCR) | MCL | 3 | 1995 |
| Public Notice | Other | 2 | 2023 |
| 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.