ISLAND LAKE
Illinois — Community Water System — PWSID: IL0974540
System Information
| PWSID | IL0974540 |
| System Name | ISLAND LAKE |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Dec 23, 1986 |
| Last Reported | Feb 26, 2026 |
Location & Contact
| State | Illinois |
| City | ISLAND LAKE |
| ZIP Code | 60042 |
| Address | 3720 GREENLEAF AVE |
| Organization | CARLSEN, CHRIS |
| Phone | 847-416-7872 |
Population & Service
| Population Served | 8,066 |
| Service Connections | 3,103 |
Drinking Water Violations (11)
This water system has 11 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.003 mg/L | — | Archived | Dec 31, 2025 | — | |
| Sep 1, 1997 | Sep 30, 1997 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1997 | — | |
| Sep 1, 1997 | Sep 30, 1997 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1997 | — | |
| Sep 1, 1997 | Sep 30, 1997 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1997 | — | |
| Oct 1, 1992 | Oct 31, 1992 | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 1992 | — | |
| Oct 1, 1992 | Oct 31, 1992 | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 1992 | — | |
| Oct 1, 1992 | Oct 31, 1992 | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 1992 | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.