Graton Resort and Casino
California — Non-Transient Non-Community — PWSID: 090605174
System Information
| PWSID | 090605174 |
| System Name | Graton Resort and 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 | Aug 20, 2013 |
| Last Reported | Dec 31, 2025 |
Location & Contact
| State | California |
| City | Rohnert Park |
| ZIP Code | 94928 |
| Address | 6400 Redwood Drive, Suite 300 |
| Organization | Federated Indians of Graton Rancheria |
| Phone | 7075662288 |
Population & Service
| Population Served | 10,127 |
| Service Connections | 1 |
Drinking Water Violations (3)
This water system has 3 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, 2014 | Mar 31, 2014 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Mar 31, 2014 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2014 | Mar 31, 2014 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Mar 31, 2014 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2014 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 22, 2014 | Lead and Copper 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.