MIDDLE BAR II LLC
Wisconsin - Transient Non-Community - PWSID: WI4150814
System Information
| PWSID | WI4150814 |
| System Name | MIDDLE BAR II LLC |
| 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 | Mar 2, 2026 |
Location & Contact
| State | Wisconsin |
| City | WASHINGTON ISLAND |
| ZIP Code | 54246 |
| Address | 1239 MAIN RD |
| Organization | MIDDLE BAR II LLC |
| Phone | - |
Population & Service
| Population Served | 40 |
| Service Connections | 1 |
Drinking Water Violations (111)
This water system has 111 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 1, 2025 | Sep 30, 2025 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2025 | - | |
| Jul 1, 2025 | Sep 30, 2025 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2025 | - | |
| Jan 1, 2025 | Mar 31, 2025 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2025 | - | |
| Jan 1, 2025 | Mar 31, 2025 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2025 | - | |
| Jan 1, 2025 | Mar 31, 2025 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2025 | - | |
| Jan 1, 2025 | Mar 31, 2025 | MON | No | Yes | - | - | - | Resolved | Mar 31, 2025 | - | |
| Oct 1, 2024 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2024 | Sep 30, 2024 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2024 | - | |
| Apr 29, 2023 | - | MR | No | Yes | - | - | - | Resolved | May 17, 2023 | - | |
| Apr 29, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 25, 2025 | - | |
| Apr 29, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 25, 2025 | - | |
| Apr 29, 2023 | - | MR | No | Yes | - | - | - | Resolved | May 17, 2023 | - | |
| Apr 29, 2023 | - | MR | No | Yes | - | - | - | Resolved | May 17, 2023 | - | |
| Apr 29, 2023 | - | MR | No | Yes | - | - | - | Resolved | May 17, 2023 | - | |
| Jan 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 25, 2025 | - | |
| Jan 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jun 25, 2025 | - | |
| Oct 1, 2022 | Dec 31, 2022 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2022 | - | |
| Oct 1, 2022 | Dec 31, 2022 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2022 | - | |
| Oct 1, 2022 | Dec 31, 2022 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2022 | - | |
| Oct 1, 2022 | Dec 31, 2022 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2022 | - | |
| Oct 4, 2019 | - | MR | No | Yes | - | - | - | Resolved | Oct 15, 2019 | - | |
| Oct 4, 2019 | - | MR | No | Yes | - | - | - | Resolved | Oct 15, 2019 | - | |
| Oct 4, 2019 | - | MR | No | Yes | - | - | - | Resolved | Oct 15, 2019 | - | |
| Oct 4, 2019 | - | MR | No | Yes | - | - | - | Resolved | Oct 15, 2019 | - | |
| Apr 2, 2018 | - | MR | No | Yes | - | - | - | Resolved | Apr 5, 2018 | - | |
| Apr 2, 2018 | - | MR | No | Yes | - | - | - | Resolved | Apr 5, 2018 | - | |
| Apr 2, 2018 | - | MR | No | Yes | - | - | - | Resolved | Apr 5, 2018 | - | |
| Apr 2, 2018 | - | MR | No | Yes | - | - | - | Resolved | Apr 5, 2018 | - | |
| Oct 1, 2013 | Oct 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2013 | - | |
| Oct 1, 2013 | Oct 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2013 | - | |
| Oct 1, 2013 | Oct 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2013 | - | |
| Oct 1, 2013 | Oct 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2013 | - | |
| Aug 30, 2013 | - | MR | No | Yes | - | - | - | Resolved | Sep 3, 2013 | - | |
| Aug 30, 2013 | - | MR | No | Yes | - | - | - | Resolved | Sep 3, 2013 | - | |
| Aug 30, 2013 | - | MR | No | Yes | - | - | - | Resolved | Sep 3, 2013 | - | |
| Aug 30, 2013 | - | MR | No | Yes | - | - | - | Resolved | Sep 3, 2013 | - | |
| Aug 21, 2013 | - | Other | No | No | - | - | - | Resolved | Jul 28, 2014 | - | |
| Aug 21, 2013 | - | Other | No | No | - | - | - | Resolved | Jul 28, 2014 | - | |
| Aug 20, 2013 | Sep 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Sep 3, 2013 | - | |
| Aug 20, 2013 | Sep 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Sep 3, 2013 | - | |
| Aug 20, 2013 | Sep 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Sep 3, 2013 | - | |
| Aug 20, 2013 | Sep 30, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Sep 3, 2013 | - | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2013 | - | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2013 | - | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2013 | - | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2013 | - | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2013 | - |
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.