GILMAN
PWS ID: IL0750450 · GILMAN, Illinois 60938
Population Served
1,793
Total Violations
38
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 900
- County
- Iroquois
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 25
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 12 | 2017 |
| Consumer Confidence Rule | Other | 5 | 2025 |
| TTHM | MR | 4 | 2024 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2024 |
| Lead and Copper Rule | TT | 3 | 1999 |
| Nitrite | MR | 2 | 2005 |
| Coliform (TCR) | MR | 2 | 2000 |
| 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.