MARKS BAR
Wisconsin — Transient Non-Community — PWSID: WI7370462
System Information
| PWSID | WI7370462 |
| System Name | MARKS BAR |
| 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 | Elderon |
| ZIP Code | 54427 |
| Address | 184550 EUREKA RD |
| Organization | GROSHEK, JEANNE |
| Phone | — |
Population & Service
| Population Served | 50 |
| Service Connections | 1 |
Drinking Water Violations (85)
This water system has 85 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 17, 2022 | — | Other | No | No | — | — | — | Resolved | Jun 22, 2022 | — | |
| Jun 17, 2022 | — | Other | No | No | — | — | — | Resolved | Jun 22, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | 15.94 MG/L | 10 mg/L | 10.5 | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | 15.94 MG/L | 10 mg/L | 10.5 | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | 15.94 MG/L | 10 mg/L | 10.5 | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | 15.94 MG/L | 10 mg/L | 10.5 | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | 15.94 MG/L | 10 mg/L | 10.5 | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | 15.94 MG/L | 10 mg/L | 10.5 | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | 15.94 MG/L | 10 mg/L | 10.5 | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | 15.94 MG/L | 10 mg/L | 10.5 | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | 15.94 MG/L | 10 mg/L | 10.5 | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | 15.94 MG/L | 10 mg/L | 10.5 | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | 15.94 MG/L | 10 mg/L | 10.5 | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | 15.94 MG/L | 10 mg/L | 10.5 | Resolved | Jun 30, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MCL | Yes | No | 16.28 MG/L | 10 mg/L | 10.5 | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MCL | Yes | No | 16.28 MG/L | 10 mg/L | 10.5 | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MCL | Yes | No | 16.28 MG/L | 10 mg/L | 10.5 | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MCL | Yes | No | 16.28 MG/L | 10 mg/L | 10.5 | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MCL | Yes | No | 16.28 MG/L | 10 mg/L | 10.5 | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MCL | Yes | No | 16.28 MG/L | 10 mg/L | 10.5 | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MCL | Yes | No | 16.28 MG/L | 10 mg/L | 10.5 | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MCL | Yes | No | 16.28 MG/L | 10 mg/L | 10.5 | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MCL | Yes | No | 16.28 MG/L | 10 mg/L | 10.5 | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MCL | Yes | No | 16.28 MG/L | 10 mg/L | 10.5 | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2017 | Dec 31, 2017 | MCL | Yes | No | 22.45 MG/L | 10 mg/L | 20.5 | Resolved | Dec 31, 2017 | — | |
| Jan 1, 2017 | Dec 31, 2017 | MCL | Yes | No | 22.45 MG/L | 10 mg/L | 20.5 | Resolved | Dec 31, 2017 | — | |
| Jan 1, 2017 | Dec 31, 2017 | MCL | Yes | No | 22.45 MG/L | 10 mg/L | 20.5 | Resolved | Dec 31, 2017 | — | |
| Jan 1, 2017 | Dec 31, 2017 | MCL | Yes | No | 22.45 MG/L | 10 mg/L | 20.5 | Resolved | Dec 31, 2017 | — | |
| Jan 1, 2017 | Dec 31, 2017 | MCL | Yes | No | 22.45 MG/L | 10 mg/L | 20.5 | Resolved | Dec 31, 2017 | — | |
| Jan 1, 2017 | Dec 31, 2017 | MCL | Yes | No | 22.45 MG/L | 10 mg/L | 20.5 | Resolved | Dec 31, 2017 | — | |
| Jan 1, 2017 | Dec 31, 2017 | MCL | Yes | No | 22.45 MG/L | 10 mg/L | 20.5 | Resolved | Dec 31, 2017 | — | |
| Jan 1, 2017 | Dec 31, 2017 | MCL | Yes | No | 22.45 MG/L | 10 mg/L | 20.5 | Resolved | Dec 31, 2017 | — | |
| Nov 1, 2004 | — | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | — | |
| Nov 1, 2004 | — | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | — | |
| Oct 1, 2004 | Oct 31, 2004 | MR | No | Yes | — | 10 mg/L | — | Resolved | Oct 31, 2004 | — | |
| Oct 1, 2004 | Oct 31, 2004 | MR | No | Yes | — | 10 mg/L | — | Resolved | Oct 31, 2004 | — | |
| Oct 1, 2004 | — | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | — | |
| Oct 1, 2004 | — | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | — | |
| Sep 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Sep 1, 2004 | Sep 30, 2004 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2004 | — | |
| Sep 1, 2004 | — | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | — | |
| Sep 1, 2004 | — | Other | No | No | — | — | — | Resolved | Feb 22, 2011 | — | |
| Jul 30, 2004 | Aug 31, 2004 | MR | No | Yes | — | 10 mg/L | — | Resolved | Aug 31, 2004 | — | |
| Jul 30, 2004 | Aug 31, 2004 | MR | No | Yes | — | 10 mg/L | — | Resolved | Aug 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MCL | Yes | No | 10.55 MG/L | 10 mg/L | 10.5 | Archived | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MCL | Yes | No | 10.55 MG/L | 10 mg/L | 10.5 | Archived | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MCL | Yes | No | 10.55 MG/L | 10 mg/L | 10.5 | Archived | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MCL | Yes | No | 10.55 MG/L | 10 mg/L | 10.5 | Archived | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MCL | Yes | No | 10.55 MG/L | 10 mg/L | 10.5 | Archived | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MCL | Yes | No | 10.55 MG/L | 10 mg/L | 10.5 | Archived | Dec 31, 2004 | — |
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.