SHAWNEE VALLEY PWD
PWS ID: IL1815550 · WOLF LAKE, Illinois 62998
Population Served
738
Total Violations
50
Health-Based Violations
23
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 295
- County
- Union
- School/Daycare
- No
- MCL Violations
- 23
- Monitoring Violations
- 3
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 23 | 2017 |
| Coliform (TCR) | MR | 2 | 1994 |
| Consumer Confidence Rule | Other | 2 | 2004 |
| 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.