WINNAVEGAS CASINO
Iowa - Non-Transient Non-Community - PWSID: 070000014
System Information
| PWSID | 070000014 |
| System Name | WINNAVEGAS CASINO |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Native American |
| EPA Region | 07 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Oct 27, 1992 |
| Last Reported | Dec 22, 2025 |
Location & Contact
| State | Iowa |
| City | SLOAN |
| ZIP Code | 51055 |
| Address | 1500 330th Street |
| Organization | GARDNER, SCOTT |
| Phone | 712-203-1189 |
Population & Service
| Population Served | 1,576 |
| Service Connections | 2 |
Drinking Water Violations (38)
This water system has 38 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2024 | Nov 30, 2024 | MON | No | No | - | - | - | Resolved | Nov 30, 2024 | - | |
| Nov 1, 2024 | Nov 30, 2024 | MON | No | No | - | - | - | Resolved | Nov 30, 2024 | - | |
| Nov 1, 2024 | Nov 30, 2024 | MON | No | No | - | - | - | Resolved | Nov 30, 2024 | - | |
| Nov 1, 2024 | Nov 30, 2024 | MON | No | No | - | - | - | Resolved | Nov 30, 2024 | - | |
| Nov 1, 2024 | Nov 30, 2024 | MR | No | No | - | 4.0 mg/L | - | Resolved | Nov 30, 2024 | - | |
| Nov 1, 2024 | Nov 30, 2024 | MR | No | No | - | 4.0 mg/L | - | Resolved | Nov 30, 2024 | - | |
| Nov 1, 2024 | Nov 30, 2024 | MR | No | No | - | 4.0 mg/L | - | Resolved | Nov 30, 2024 | - | |
| Nov 1, 2024 | Nov 30, 2024 | MR | No | No | - | 4.0 mg/L | - | Resolved | Nov 30, 2024 | - | |
| Mar 15, 2023 | - | TT | Yes | No | - | - | - | Resolved | Apr 20, 2023 | - | |
| Mar 15, 2023 | - | TT | Yes | No | - | - | - | Resolved | Apr 20, 2023 | - | |
| Mar 15, 2023 | - | TT | Yes | No | - | - | - | Resolved | Apr 20, 2023 | - | |
| Mar 15, 2023 | - | TT | Yes | No | - | - | - | Resolved | Apr 20, 2023 | - | |
| Aug 16, 2021 | - | Other | No | No | - | - | - | Resolved | Aug 19, 2021 | - | |
| Aug 16, 2021 | - | Other | No | No | - | - | - | Resolved | Aug 19, 2021 | - | |
| Aug 16, 2021 | - | Other | No | No | - | - | - | Resolved | Aug 19, 2021 | - | |
| Aug 16, 2021 | - | Other | No | No | - | - | - | Resolved | Aug 19, 2021 | - | |
| Jul 1, 2021 | Sep 30, 2021 | MCL | Yes | No | 105 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2021 | - | |
| Jul 1, 2021 | Sep 30, 2021 | MCL | Yes | No | 105 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2021 | - | |
| Jul 1, 2021 | Sep 30, 2021 | MCL | Yes | No | 105 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2021 | - | |
| Jul 1, 2021 | Sep 30, 2021 | MCL | Yes | No | 105 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2021 | - | |
| Jan 1, 2021 | Mar 31, 2021 | MCL | Yes | No | 90 UG/L | 0.080 mg/L | 80 | Resolved | Mar 31, 2021 | - | |
| Jan 1, 2021 | Mar 31, 2021 | MCL | Yes | No | 90 UG/L | 0.080 mg/L | 80 | Resolved | Mar 31, 2021 | - | |
| Jan 1, 2021 | Mar 31, 2021 | MCL | Yes | No | 90 UG/L | 0.080 mg/L | 80 | Resolved | Mar 31, 2021 | - | |
| Jan 1, 2021 | Mar 31, 2021 | MCL | Yes | No | 90 UG/L | 0.080 mg/L | 80 | Resolved | Mar 31, 2021 | - | |
| Nov 1, 2013 | Nov 30, 2013 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Nov 30, 2013 | - | |
| Nov 1, 2013 | Nov 30, 2013 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Nov 30, 2013 | - | |
| May 1, 1994 | Jul 31, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Jul 29, 1994 | - | |
| May 1, 1994 | Jul 31, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Jul 29, 1994 | - | |
| May 1, 1994 | Jul 31, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Jul 29, 1994 | - | |
| May 1, 1994 | Jul 31, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Jul 29, 1994 | - | |
| Jul 1, 1993 | Sep 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 13, 1993 | - | |
| Jul 1, 1993 | Sep 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 13, 1993 | - | |
| Jul 1, 1993 | Sep 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 16, 1993 | - | |
| Jul 1, 1993 | Sep 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 13, 1993 | - | |
| Jul 1, 1993 | Sep 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 13, 1993 | - | |
| Jul 1, 1993 | Sep 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 16, 1993 | - | |
| Jul 1, 1993 | Sep 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 16, 1993 | - | |
| Jul 1, 1993 | Sep 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 16, 1993 | - |
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.