OLD CORKSCREW GOLF CLUB
Illinois - Non-Transient Non-Community - PWSID: FL5364158
System Information
| PWSID | FL5364158 |
| System Name | OLD CORKSCREW GOLF CLUB |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 04 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 20, 2007 |
| Last Reported | Feb 24, 2026 |
Location & Contact
| State | Illinois |
| City | WINNETKA |
| ZIP Code | 60093 |
| Address | 568 LINCOLN AVE |
| Organization | GREGORY HOFFMANN |
| Phone | 239-949-4700 |
Population & Service
| Population Served | 100 |
| Service Connections | 4 |
Drinking Water Violations (10)
This water system has 10 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb 1, 2025 | - | TT | Yes | No | - | - | - | Resolved | Apr 1, 2025 | - | |
| Feb 1, 2025 | - | RPT | No | No | - | - | - | Resolved | Apr 1, 2025 | - | |
| Jul 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2014 | - | |
| Jul 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2014 | - | |
| Jul 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2014 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MCL | Yes | No | 101.3475 UG/L | 0.080 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MCL | Yes | No | 101.3475 UG/L | 0.080 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MCL | Yes | No | 101.3475 UG/L | 0.080 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Jan 1, 2013 | Mar 31, 2013 | MCL | Yes | No | 110.6625 UG/L | 0.080 mg/L | - | Resolved | Mar 31, 2013 | - | |
| Jan 1, 2010 | Jan 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2010 | - |
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.