WHISPERING LAKES WATER SYSTEM, INC.
PWS ID: IL0970220 · NORTHBROOK, Illinois 60062-1604
Population Served
375
Total Violations
46
Health-Based Violations
21
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 125
- County
- Lake
- School/Daycare
- No
- MCL Violations
- 21
- Monitoring Violations
- 16
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Combined Radium (-226 and -228) | MCL | 19 | 2003 |
| Combined Radium (-226 and -228) | MR | 8 | 2024 |
| Chlorine | MR | 4 | 2010 |
| Coliform (TCR) | MR | 4 | 2010 |
| Gross Alpha, Excl. Radon and U | MCL | 2 | 2000 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.