TWIN BAY RESORT
Wisconsin - Transient Non-Community - PWSID: WI7440290
System Information
| PWSID | WI7440290 |
| System Name | TWIN BAY RESORT |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 28, 1981 |
| Last Reported | May 29, 2026 |
Location & Contact
| State | Wisconsin |
| City | TOMAHAWK |
| ZIP Code | 54487 |
| Address | 2173 HWY L |
| Organization | LITZAU, JOHN AND KIERSTEN |
| Phone | - |
Population & Service
| Population Served | 35 |
| Service Connections | 1 |
Drinking Water Violations (21)
This water system has 21 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, 2008 | Jan 9, 2009 | MCL | Yes | No | 21.5 MG/L | 10 mg/L | 20.5 | Resolved | Jan 9, 2009 | - | |
| Jan 1, 2008 | Jan 9, 2009 | MCL | Yes | No | 21.5 MG/L | 10 mg/L | 20.5 | Resolved | Jan 9, 2009 | - | |
| Jan 1, 2008 | Jan 9, 2009 | MCL | Yes | No | 21.5 MG/L | 10 mg/L | 20.5 | Resolved | Jan 9, 2009 | - | |
| Jan 1, 2008 | Jan 9, 2009 | MCL | Yes | No | 21.5 MG/L | 10 mg/L | 20.5 | Resolved | Jan 9, 2009 | - | |
| Jan 1, 2008 | Jan 9, 2009 | MCL | Yes | No | 21.5 MG/L | 10 mg/L | 20.5 | Resolved | Jan 9, 2009 | - | |
| Nov 1, 2003 | - | Other | No | No | - | - | - | Resolved | Feb 22, 2011 | - | |
| Nov 1, 2003 | - | Other | No | No | - | - | - | Resolved | Feb 22, 2011 | - | |
| Sep 19, 2003 | Oct 31, 2003 | MR | No | Yes | - | 10 mg/L | - | Resolved | Oct 31, 2003 | - | |
| Sep 19, 2003 | Oct 31, 2003 | MR | No | Yes | - | 10 mg/L | - | Resolved | Oct 31, 2003 | - | |
| Sep 19, 2003 | Oct 31, 2003 | MR | No | Yes | - | 10 mg/L | - | Resolved | Oct 31, 2003 | - | |
| Jan 1, 1997 | Dec 31, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1997 | - | |
| Jan 1, 1997 | Dec 31, 1997 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1997 | - | |
| Apr 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 1 mg/L | - | Resolved | Sep 30, 1995 | - | |
| Apr 1, 1995 | Sep 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1995 | - | |
| Apr 1, 1995 | Sep 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1995 | - | |
| Apr 1, 1995 | Sep 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1995 | - | |
| Apr 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 1 mg/L | - | Resolved | Sep 30, 1995 | - | |
| Apr 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 1 mg/L | - | Resolved | Sep 30, 1995 | - | |
| Apr 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 1995 | - | |
| Apr 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 1995 | - | |
| Apr 1, 1995 | Sep 30, 1995 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 1995 | - |
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.