WARSAW
PWS ID: IL0670650 · WARSAW, Illinois 62379
Population Served
1,607
Total Violations
106
Health-Based Violations
50
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 805
- County
- Hancock
- School/Daycare
- No
- MCL Violations
- 24
- Monitoring Violations
- 31
- Treatment Tech Violations
- 26
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | TT | 26 | 1994 |
| TTHM | MCL | 24 | 2009 |
| Chloramine | MR | 12 | 2016 |
| Public Notice | Other | 6 | 2005 |
| CARBON, TOTAL | MR | 6 | 2023 |
| Consumer Confidence Rule | Other | 2 | 2005 |
| Surface Water Treatment Rule | MR | 2 | 1994 |
| Total Haloacetic Acids (HAA5) | MR | 1 | 2025 |
| Fluoride | MR | 1 | 1979 |
| Selenium | MR | 1 | 1979 |
| Nitrate | MR | 1 | 1979 |
| Chromium | MR | 1 | 1979 |
| Mercury | MR | 1 | 1979 |
| Arsenic | MR | 1 | 1979 |
| Barium | MR | 1 | 1979 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1977 |
| TTHM | MR | 1 | 2025 |
| Cadmium | MR | 1 | 1979 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.