WI DNR MILL BLUFF BEACH
Wisconsin - Transient Non-Community - PWSID: WI6420335
System Information
| PWSID | WI6420335 |
| System Name | WI DNR MILL BLUFF BEACH |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | State |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 28, 1981 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | Wisconsin |
| City | Ontario |
| ZIP Code | 54651 |
| Address | PARK SUPERINTENDENT |
| Organization | WI DNR WILDCAT MT |
| Phone | - |
Population & Service
| Population Served | 125 |
| Service Connections | 1 |
Drinking Water Violations (51)
This water system has 51 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 24, 2023 | - | RPT | No | No | - | - | - | Resolved | Jun 28, 2023 | - | |
| Jun 24, 2023 | - | RPT | No | No | - | - | - | Resolved | Jun 28, 2023 | - | |
| Jun 24, 2023 | - | RPT | No | No | - | - | - | Resolved | Jun 28, 2023 | - | |
| Jun 24, 2023 | - | RPT | No | No | - | - | - | Resolved | Jun 28, 2023 | - | |
| Oct 1, 2019 | Oct 31, 2019 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2019 | - | |
| Oct 1, 2019 | Oct 31, 2019 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2019 | - | |
| Oct 1, 2019 | Oct 31, 2019 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2019 | - | |
| Oct 1, 2019 | Oct 31, 2019 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2019 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Jul 27, 2012 | - | Other | No | No | - | - | - | Resolved | Sep 22, 2012 | - | |
| Jul 27, 2012 | - | Other | No | No | - | - | - | Resolved | Sep 22, 2012 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Jul 1, 2012 | Jul 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2012 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Jun 1, 2011 | Jun 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2011 | - | |
| Jun 1, 2011 | Jun 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2011 | - | |
| Jun 1, 2011 | Jun 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2011 | - | |
| Jun 1, 2011 | Jun 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2011 | - | |
| Jun 1, 2011 | Jun 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2011 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2009 | - | |
| Apr 1, 2005 | Sep 30, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2005 | - | |
| Apr 1, 2005 | Sep 30, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2005 | - | |
| Apr 1, 2005 | Sep 30, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2005 | - | |
| Apr 1, 2005 | Sep 30, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2005 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Jul 1, 2001 | Sep 30, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2001 | - | |
| Jul 1, 2001 | Sep 30, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2001 | - | |
| Jul 1, 2001 | Sep 30, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2001 | - | |
| Apr 1, 2001 | Sep 30, 2001 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2001 | - | |
| Apr 1, 2001 | Sep 30, 2001 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2001 | - | |
| Apr 1, 2001 | Sep 30, 2001 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2001 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1998 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1998 | - |
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.