MCDONALDS WESTFIELD
Wisconsin — Non-Transient Non-Community — PWSID: WI4390628
System Information
| PWSID | WI4390628 |
| System Name | MCDONALDS WESTFIELD |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Dec 12, 1995 |
| Last Reported | Dec 17, 2025 |
Location & Contact
| State | Wisconsin |
| City | ONALASKA |
| ZIP Code | 54650 |
| Address | COURTESY CORP |
| Organization | MAGOZZI, MIKE - DIR OF FACILITIES |
| Phone | — |
Population & Service
| Population Served | 1,040 |
| Service Connections | 1 |
Drinking Water Violations (44)
This water system has 44 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 1, 2012 | — | Public Notice | Other | No | No | — | — | — | Resolved | Aug 22, 2018 | Public Notice Rule and Revised PN Rule |
| Mar 1, 2012 | — | Public Notice | Other | No | No | — | — | — | Resolved | Aug 22, 2018 | Public Notice Rule and Revised PN Rule |
| Feb 1, 2012 | Feb 29, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2012 | Total Coliform Rule |
| Feb 1, 2012 | Feb 29, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2012 | Total Coliform Rule |
| Feb 1, 2012 | Feb 29, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2012 | Total Coliform Rule |
| Feb 1, 2012 | Feb 29, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2012 | Total Coliform Rule |
| Aug 1, 2010 | — | Public Notice | Other | No | No | — | — | — | Resolved | Dec 7, 2018 | Public Notice Rule and Revised PN Rule |
| Aug 1, 2010 | — | Public Notice | Other | No | No | — | — | — | Resolved | Dec 7, 2018 | Public Notice Rule and Revised PN Rule |
| Jul 1, 2010 | Jul 31, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2010 | Total Coliform Rule |
| Jul 1, 2010 | Jul 31, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2010 | Total Coliform Rule |
| Jul 1, 2010 | Jul 31, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2010 | Total Coliform Rule |
| Jul 1, 2010 | Jul 31, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2010 | Total Coliform Rule |
| Jun 1, 2009 | Jun 30, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Jun 30, 2009 | Total Coliform Rule |
| Jun 1, 2009 | Jun 30, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Jun 30, 2009 | Total Coliform Rule |
| Feb 1, 2008 | Feb 29, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2008 | Total Coliform Rule |
| Feb 1, 2008 | Feb 29, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2008 | Total Coliform Rule |
| Feb 1, 2008 | Feb 29, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2008 | Total Coliform Rule |
| Feb 1, 2008 | Feb 29, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2008 | Total Coliform Rule |
| Feb 1, 2008 | Feb 29, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2008 | Total Coliform Rule |
| Feb 1, 2008 | Feb 29, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2008 | Total Coliform Rule |
| Feb 1, 2008 | Feb 29, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2008 | Total Coliform Rule |
| Feb 1, 2008 | Feb 29, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2008 | Total Coliform Rule |
| Nov 1, 2007 | — | Public Notice | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | Public Notice Rule and Revised PN Rule |
| Nov 1, 2007 | — | Public Notice | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | Public Notice Rule and Revised PN Rule |
| Oct 1, 2007 | Oct 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 2007 | Total Coliform Rule |
| Oct 1, 2007 | Oct 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 2007 | Total Coliform Rule |
| Oct 1, 2007 | Oct 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 2007 | Total Coliform Rule |
| Oct 1, 2007 | Oct 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 2007 | Total Coliform Rule |
| Oct 1, 2007 | Oct 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 2007 | Total Coliform Rule |
| Sep 1, 2007 | — | Public Notice | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | Public Notice Rule and Revised PN Rule |
| Sep 1, 2007 | — | Public Notice | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | Public Notice Rule and Revised PN Rule |
| Aug 1, 2007 | Aug 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2007 | Total Coliform Rule |
| Aug 1, 2007 | Aug 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2007 | Total Coliform Rule |
| Aug 1, 2007 | Aug 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2007 | Total Coliform Rule |
| Aug 1, 2007 | Aug 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2007 | Total Coliform Rule |
| Aug 1, 2007 | Aug 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2007 | Total Coliform Rule |
| Oct 1, 2005 | — | Public Notice | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | Public Notice Rule and Revised PN Rule |
| Sep 1, 2005 | — | Public Notice | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | Public Notice Rule and Revised PN Rule |
| Aug 1, 2005 | — | Public Notice | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | Public Notice Rule and Revised PN Rule |
| Aug 1, 2005 | Aug 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Aug 31, 2005 | Total Coliform Rule |
| Jul 1, 2005 | — | Public Notice | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | Public Notice Rule and Revised PN Rule |
| Jun 1, 2005 | Jun 30, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Jun 30, 2005 | Total Coliform Rule |
| Jun 1, 2005 | Jun 30, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Jun 30, 2005 | Total Coliform Rule |
| Apr 1, 2003 | — | Public Notice | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | Public Notice Rule and Revised PN Rule |
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.