Hard Rock Fire Mountain Water System
California — Non-Transient Non-Community — PWSID: 090605172
System Information
| PWSID | 090605172 |
| System Name | Hard Rock Fire Mountain Water System |
| 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 | Jun 27, 2019 |
| Last Reported | Dec 31, 2025 |
Location & Contact
| State | California |
| City | Oroville |
| ZIP Code | 95966 |
| Address | 2133 Montevista Ave |
| Organization | Enterprise Rancheria of Maidu Indians |
| Phone | 5305329214 |
Population & Service
| Population Served | 9,500 |
| Service Connections | 1 |
Drinking Water Violations (4)
This water system has 4 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2022 | Oct 31, 2022 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Oct 31, 2022 | Revised Total Coliform Rule |
| Oct 1, 2022 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jan 25, 2023 | Public Notice Rule and Revised PN Rule |
| Oct 1, 2022 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jan 25, 2023 | Public Notice Rule and Revised PN Rule |
| Sep 1, 2022 | Sep 30, 2022 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Sep 30, 2022 | Revised 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.