OAKTON BEACH
Wisconsin - Community Water System - PWSID: WI2681086
System Information
| PWSID | WI2681086 |
| System Name | OAKTON BEACH |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 21, 1983 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | Wisconsin |
| City | HALES CORNERS |
| ZIP Code | 53130 |
| Address | 5300 S 108TH ST - STE 1 |
| Organization | WIMMER COMMUNITIES LLC - C/O JOHN J. WIMMER |
| Phone | - |
Population & Service
| Population Served | 144 |
| Service Connections | 9 |
Drinking Water Violations (317)
This water system has 317 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 | - | 0.060 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | - | 0.060 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | - | 0.060 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | - | 0.080 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | - | 0.080 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | - | 0.080 mg/L | - | Archived | Dec 31, 2025 | - | |
| Oct 1, 2013 | - | Other | No | No | - | - | - | Resolved | Oct 22, 2013 | - | |
| Oct 1, 2007 | - | Other | No | No | - | - | - | Resolved | Apr 4, 2008 | - | |
| Oct 1, 2007 | - | Other | No | No | - | - | - | Resolved | Apr 4, 2008 | - | |
| Oct 1, 2007 | - | Other | No | No | - | - | - | Resolved | Apr 4, 2008 | - | |
| Oct 1, 2007 | - | Other | No | No | - | - | - | Resolved | Apr 4, 2008 | - | |
| Aug 1, 2006 | Aug 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 14, 2006 | - | |
| Aug 1, 2006 | Aug 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 14, 2006 | - | |
| Aug 1, 2006 | Aug 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 14, 2006 | - | |
| Aug 1, 2006 | Aug 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 14, 2006 | - | |
| Aug 1, 2006 | Aug 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 14, 2006 | - | |
| Oct 1, 2005 | - | Other | No | No | - | - | - | Resolved | Oct 28, 2005 | - | |
| Oct 1, 2001 | - | Other | No | No | - | - | - | Resolved | Oct 29, 2001 | - | |
| Oct 1, 2001 | - | Other | No | No | - | - | - | Resolved | Oct 29, 2001 | - | |
| Oct 1, 2001 | - | Other | No | No | - | - | - | Resolved | Oct 29, 2001 | - | |
| Jul 1, 2001 | - | Other | No | No | - | - | - | Resolved | Oct 29, 2001 | - | |
| Jul 1, 2001 | - | Other | No | No | - | - | - | Resolved | Oct 29, 2001 | - | |
| Jul 1, 2001 | - | Other | No | No | - | - | - | Resolved | Oct 29, 2001 | - | |
| Jan 1, 2001 | Jan 9, 2005 | MCL | Yes | No | 9.2 | 5 pCi/L | 5.5 | Resolved | Jan 9, 2005 | - | |
| Jan 1, 2001 | Jan 9, 2005 | MCL | Yes | No | 20 | 15 pCi/L | 15.5 | Resolved | Jan 9, 2005 | - | |
| Jan 1, 2001 | Jan 9, 2005 | MCL | Yes | No | 9.2 | 5 pCi/L | 5.5 | Resolved | Jan 9, 2005 | - | |
| Jan 1, 2001 | Jan 9, 2005 | MCL | Yes | No | 9.2 | 5 pCi/L | 5.5 | Resolved | Jan 9, 2005 | - | |
| Jan 1, 2001 | Jan 9, 2005 | MCL | Yes | No | 9.2 | 5 pCi/L | 5.5 | Resolved | Jan 9, 2005 | - | |
| Jan 1, 2001 | Jan 9, 2005 | MCL | Yes | No | 20 | 15 pCi/L | 15.5 | Resolved | Jan 9, 2005 | - | |
| Jan 1, 2001 | Jan 9, 2005 | MCL | Yes | No | 20 | 15 pCi/L | 15.5 | Resolved | Jan 9, 2005 | - | |
| Jan 1, 2001 | Jan 9, 2005 | MCL | Yes | No | 20 | 15 pCi/L | 15.5 | Resolved | Jan 9, 2005 | - | |
| Jan 1, 2001 | Jan 9, 2005 | MCL | Yes | No | 20 | 15 pCi/L | 15.5 | Resolved | Jan 9, 2005 | - | |
| Jan 1, 2001 | Jan 9, 2005 | MCL | Yes | No | 9.2 | 5 pCi/L | 5.5 | Resolved | Jan 9, 2005 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 16, 2000 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 16, 2000 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 16, 2000 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 16, 2000 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 16, 2000 | - | |
| Nov 1, 2000 | Nov 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 16, 2000 | - | |
| Oct 1, 2000 | Oct 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2000 | - | |
| Sep 1, 2000 | Sep 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2000 | - | |
| Sep 1, 2000 | Sep 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2000 | - | |
| Sep 1, 2000 | Sep 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2000 | - | |
| Sep 1, 2000 | Sep 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2000 | - | |
| Sep 1, 2000 | Sep 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2000 | - | |
| Jul 1, 2000 | - | Other | No | No | - | - | - | Resolved | Aug 17, 2000 | - | |
| Jul 1, 2000 | - | Other | No | No | - | - | - | Resolved | Aug 17, 2000 | - | |
| Jul 1, 2000 | - | Other | No | No | - | - | - | Resolved | Aug 17, 2000 | - | |
| Jan 10, 2000 | - | Other | No | No | - | - | - | Resolved | Aug 17, 2000 | - | |
| Jan 10, 2000 | - | Other | No | No | - | - | - | Resolved | Aug 17, 2000 | - |
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.