SOMONAUK
PWS ID: IL0374870 · SOMONAUK, Illinois 60552
Population Served
1,786
Total Violations
8
Health-Based Violations
2
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 740
- County
- DeKalb
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 4
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 3 | 1992 |
| Lead and Copper Rule | TT | 2 | 1995 |
| Consumer Confidence Rule | Other | 2 | 2007 |
| 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.