Thunder Valley Casino
California — Non-Transient Non-Community — PWSID: 090605161
System Information
| PWSID | 090605161 |
| System Name | Thunder Valley Casino |
| System Type | Non-Transient Non-Community |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Native American |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jun 19, 2004 |
| Last Reported | Dec 31, 2025 |
Location & Contact
| State | California |
| City | Auburn |
| ZIP Code | 95603 |
| Address | 10720 Indian Hill Road |
| Organization | United Auburn Indian Community |
| Phone | 5302511575 |
Population & Service
| Population Served | 18,007 |
| Service Connections | 4 |
Drinking Water Violations (10)
This water system has 10 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, 2023 | Dec 31, 2023 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 31, 2023 | Lead and Copper Rule |
| Jul 1, 2023 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 19, 2024 | Lead and Copper Rule |
| Aug 1, 2019 | Aug 31, 2019 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Aug 31, 2019 | Revised Total Coliform Rule |
| Nov 1, 2016 | Nov 30, 2016 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Nov 30, 2016 | Revised Total Coliform Rule |
| Jul 1, 2013 | Sep 30, 2013 | TTHM | MCL | Yes | No | .08963 MG/L | 0.080 mg/L | — | Resolved | Sep 30, 2013 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2013 | Jun 30, 2013 | TTHM | MCL | Yes | No | .08963 MG/L | 0.080 mg/L | — | Resolved | Jun 30, 2013 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2012 | Jan 31, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2012 | Total Coliform Rule |
| Feb 1, 2006 | Feb 28, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 28, 2006 | Total Coliform Rule |
| Oct 1, 2005 | Oct 31, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2005 | Total Coliform Rule |
| Dec 1, 2003 | Dec 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Dec 31, 2003 | Total Coliform Rule |
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.