MEQUON COLONY ESTATES
Wisconsin - Community Water System - PWSID: WI2460132
System Information
| PWSID | WI2460132 |
| System Name | MEQUON COLONY ESTATES |
| 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 28, 1981 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | Wisconsin |
| City | MEQUON |
| ZIP Code | 53097 |
| Address | MEQUON COLONY ESTATES |
| Organization | KOPP, WILLIAM J - PRESIDENT |
| Phone | - |
Population & Service
| Population Served | 75 |
| Service Connections | 34 |
Drinking Water Violations (53)
This water system has 53 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 2, 2025 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2018 | - | Other | No | No | - | - | - | Resolved | Oct 24, 2018 | - | |
| Jul 1, 2018 | - | Other | No | No | - | - | - | Resolved | Oct 24, 2018 | - | |
| Jul 1, 2018 | - | Other | No | No | - | - | - | Resolved | Oct 24, 2018 | - | |
| Jul 1, 2018 | - | Other | No | No | - | - | - | Resolved | Oct 24, 2018 | - | |
| Jul 1, 2017 | - | Other | No | No | - | - | - | Resolved | Aug 3, 2017 | - | |
| Jul 1, 2017 | - | Other | No | No | - | - | - | Resolved | Aug 3, 2017 | - | |
| Jul 1, 2017 | - | Other | No | No | - | - | - | Resolved | Aug 3, 2017 | - | |
| Jul 1, 2017 | - | Other | No | No | - | - | - | Resolved | Aug 3, 2017 | - | |
| Jul 1, 2017 | - | Other | No | No | - | - | - | Resolved | Aug 3, 2017 | - | |
| Jul 1, 2017 | - | Other | No | No | - | - | - | Resolved | Aug 3, 2017 | - | |
| Jul 1, 2017 | - | Other | No | No | - | - | - | Resolved | Aug 3, 2017 | - | |
| Jul 1, 2017 | - | Other | No | No | - | - | - | Resolved | Aug 3, 2017 | - | |
| Oct 1, 2015 | - | Other | No | No | - | - | - | Resolved | Nov 6, 2015 | - | |
| Oct 1, 2015 | - | Other | No | No | - | - | - | Resolved | Nov 6, 2015 | - | |
| Oct 1, 2015 | - | Other | No | No | - | - | - | Resolved | Nov 6, 2015 | - | |
| Oct 1, 2015 | - | Other | No | No | - | - | - | Resolved | Nov 6, 2015 | - | |
| Oct 1, 2015 | - | Other | No | No | - | - | - | Resolved | Nov 6, 2015 | - | |
| Jul 1, 2015 | - | Other | No | No | - | - | - | Resolved | Nov 6, 2015 | - | |
| Jul 1, 2015 | - | Other | No | No | - | - | - | Resolved | Nov 6, 2015 | - | |
| Jul 1, 2015 | - | Other | No | No | - | - | - | Resolved | Nov 6, 2015 | - | |
| Jul 1, 2015 | - | Other | No | No | - | - | - | Resolved | Nov 6, 2015 | - | |
| Jul 1, 2015 | - | Other | No | No | - | - | - | Resolved | Nov 6, 2015 | - | |
| Jul 1, 2015 | - | Other | No | No | - | - | - | Resolved | Nov 6, 2015 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Sep 8, 2014 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Sep 8, 2014 | - | |
| Oct 1, 2013 | - | Other | No | No | - | - | - | Resolved | Sep 8, 2014 | - | |
| Oct 1, 2013 | - | Other | No | No | - | - | - | Resolved | Sep 8, 2014 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Sep 8, 2014 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Sep 8, 2014 | - | |
| Oct 1, 2012 | - | Other | No | No | - | - | - | Resolved | Sep 8, 2014 | - | |
| Oct 1, 2012 | - | Other | No | No | - | - | - | Resolved | Sep 8, 2014 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Sep 8, 2014 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Sep 8, 2014 | - | |
| Oct 1, 2011 | - | Other | No | No | - | - | - | Resolved | Sep 8, 2014 | - | |
| Oct 1, 2011 | - | Other | No | No | - | - | - | Resolved | Sep 8, 2014 | - | |
| Oct 1, 2011 | - | Other | No | No | - | - | - | Resolved | Sep 8, 2014 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | May 2, 2012 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | May 2, 2012 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | May 2, 2012 | - | |
| Oct 1, 2004 | - | Other | No | No | - | - | - | Resolved | Dec 30, 2004 | - | |
| Oct 1, 2004 | - | Other | No | No | - | - | - | Resolved | Dec 30, 2004 | - | |
| Oct 1, 2003 | - | Other | No | No | - | - | - | Resolved | Dec 11, 2003 | - | |
| Oct 1, 2003 | - | Other | No | No | - | - | - | Resolved | Dec 11, 2003 | - | |
| Jul 1, 2002 | - | Other | No | No | - | - | - | Resolved | Jul 23, 2002 | - | |
| Jul 1, 2001 | - | Other | No | No | - | - | - | Resolved | Jul 19, 2001 | - | |
| Jul 1, 2001 | - | Other | No | No | - | - | - | Resolved | Jul 19, 2001 | - | |
| Jul 1, 2000 | - | Other | No | No | - | - | - | Resolved | Aug 31, 2000 | - | |
| Jan 19, 2000 | - | Other | No | No | - | - | - | Resolved | Feb 29, 2000 | - | |
| Oct 19, 1999 | - | Other | No | No | - | - | - | Resolved | Feb 22, 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.