Tuolumne - Black Oak Casino
California — Non-Transient Non-Community — PWSID: 090605149
System Information
| PWSID | 090605149 |
| System Name | Tuolumne - Black Oak Casino |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Native American |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jul 2, 2002 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | California |
| City | Tuolumne |
| ZIP Code | 95379 |
| Address | P.O. Box 699 |
| Organization | Tuolumne Me-Wuk Tribal Council |
| Phone | 2099283475 |
Population & Service
| Population Served | 2,600 |
| Service Connections | 1 |
Drinking Water Violations (33)
This water system has 33 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | 0.2 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Dec 1, 2022 | — | RPT | No | No | — | — | — | Resolved | Jan 26, 2023 | — | |
| Aug 1, 2022 | — | RPT | No | No | — | — | — | Resolved | Oct 7, 2022 | — | |
| Oct 1, 2021 | — | RPT | No | No | — | — | — | Resolved | Nov 18, 2021 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.00005 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Jan 1, 2017 | Dec 31, 2019 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2019 | — | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | — | 0.5 mg/L | — | Resolved | Dec 31, 2016 | — | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Dec 31, 2016 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Dec 31, 2004 | — | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | Yes | — | 0.0005 mg/L | — | Resolved | Dec 31, 2004 | — | |
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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.