SEVENWINDS CASINO
Wisconsin - Non-Transient Non-Community - PWSID: 050595305
System Information
| PWSID | 050595305 |
| System Name | SEVENWINDS CASINO |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Native American |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Aug 2, 1994 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Wisconsin |
| City | HAYWARD |
| ZIP Code | 54843 |
| Address | LCO PUBLIC WORKS |
| Organization | GOUGE, WILLARD |
| Phone | - |
Population & Service
| Population Served | 1,900 |
| Service Connections | 1 |
Drinking Water Violations (312)
This water system has 312 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2025 | - | RPT | No | No | - | - | - | Resolved | Oct 10, 2025 | - | |
| Sep 1, 2025 | - | RPT | No | No | - | - | - | Resolved | Oct 10, 2025 | - | |
| Sep 1, 2025 | - | RPT | No | No | - | - | - | Resolved | Oct 10, 2025 | - | |
| Feb 1, 2025 | - | RPT | No | No | - | - | - | Resolved | Mar 14, 2025 | - | |
| Feb 1, 2025 | - | RPT | No | No | - | - | - | Resolved | Mar 14, 2025 | - | |
| Feb 1, 2025 | - | RPT | No | No | - | - | - | Resolved | Mar 14, 2025 | - | |
| Dec 1, 2024 | Dec 31, 2024 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Dec 1, 2024 | Dec 31, 2024 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Dec 1, 2023 | Dec 31, 2023 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2023 | - | |
| Dec 1, 2023 | Dec 31, 2023 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2023 | - | |
| Dec 1, 2023 | Dec 31, 2023 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2023 | - | |
| Dec 1, 2023 | Dec 31, 2023 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2023 | - | |
| Oct 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Oct 11, 2023 | - | |
| Oct 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Oct 11, 2023 | - | |
| Oct 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Oct 11, 2023 | - | |
| Oct 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Oct 11, 2023 | - | |
| Oct 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Oct 26, 2022 | - | |
| Oct 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Oct 26, 2022 | - | |
| Oct 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Oct 26, 2022 | - | |
| Sep 1, 2022 | Sep 30, 2022 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2022 | - | |
| Sep 1, 2022 | Sep 30, 2022 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2022 | - | |
| Sep 1, 2022 | Sep 30, 2022 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2022 | - | |
| Jun 1, 2021 | - | MR | No | No | - | TT | - | Resolved | May 24, 2022 | - | |
| Jun 1, 2021 | - | MR | No | No | - | TT | - | Resolved | May 24, 2022 | - | |
| Feb 1, 2021 | Feb 28, 2021 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2021 | - | |
| Feb 1, 2021 | Feb 28, 2021 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2021 | - | |
| Feb 1, 2021 | Feb 28, 2021 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2021 | - | |
| Feb 1, 2021 | Feb 28, 2021 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2021 | - | |
| Jan 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Jan 7, 2021 | - | |
| Jan 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Jan 7, 2021 | - | |
| Sep 1, 2020 | Sep 30, 2020 | MON | No | No | - | - | - | Resolved | Sep 30, 2020 | - | |
| Sep 1, 2020 | Sep 30, 2020 | MON | No | No | - | - | - | Resolved | Sep 30, 2020 | - | |
| Sep 1, 2020 | Sep 30, 2020 | MON | No | No | - | - | - | Resolved | Sep 30, 2020 | - | |
| Aug 1, 2020 | Aug 31, 2020 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2020 | - | |
| Aug 1, 2020 | Aug 31, 2020 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2020 | - | |
| Aug 1, 2020 | Aug 31, 2020 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2020 | - | |
| Jul 1, 2020 | Jul 31, 2020 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2020 | - | |
| Jul 1, 2020 | Jul 31, 2020 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2020 | - | |
| Jul 1, 2020 | Jul 31, 2020 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2020 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.02 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.02 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Dec 31, 2022 | - |
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.