Original Sherwood Valley Rancheria
California - Community Water System - PWSID: 090605021
System Information
| PWSID | 090605021 |
| System Name | Original Sherwood Valley Rancheria |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Native American |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 2, 1984 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | California |
| City | Willits |
| ZIP Code | 95490 |
| Address | 190 Sherwood Hill Drive |
| Organization | Sherwood Valley Rancheria |
| Phone | 7074599690 |
Population & Service
| Population Served | 60 |
| Service Connections | 16 |
Drinking Water Violations (371)
This water system has 371 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 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Mar 20, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Mar 20, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Mar 20, 2025 | - | |
| Oct 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Dec 1, 2022 | Dec 31, 2022 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2022 | - | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Dec 30, 2021 | - | TT | Yes | No | - | - | - | Resolved | Oct 19, 2022 | - | |
| Dec 1, 2021 | - | RPT | No | No | - | - | - | Resolved | Jan 20, 2022 | - | |
| Oct 1, 2021 | Oct 31, 2021 | MCL | Yes | No | - | - | - | Resolved | Oct 31, 2021 | - | |
| Mar 1, 2014 | Mar 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2014 | - | |
| Dec 1, 2011 | Dec 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2009 | Mar 31, 2009 | MR | No | Yes | - | 30 ug/L | - | Resolved | Mar 31, 2009 | - | |
| Jan 1, 2009 | Mar 31, 2009 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Mar 31, 2009 | - | |
| Jan 1, 2009 | Mar 31, 2009 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Mar 31, 2009 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Dec 31, 2008 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 30 ug/L | - | Resolved | Dec 31, 2008 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2008 | - | |
| Sep 1, 2008 | Sep 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | Yes | - | 30 ug/L | - | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2008 | - | MR | No | No | - | TT | - | Resolved | Feb 4, 2010 | - | |
| Jul 1, 2008 | - | MR | No | No | - | TT | - | Resolved | Feb 4, 2010 | - | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Jun 30, 2008 | - | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | - | 30 ug/L | - | Resolved | Jun 30, 2008 | - | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Jun 30, 2008 | - | |
| Mar 1, 2008 | Mar 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2008 | - | |
| Feb 1, 2008 | Feb 29, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Feb 29, 2008 | - | |
| Jan 1, 2008 | Mar 31, 2008 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Mar 31, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 2 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Mar 31, 2008 | MR | No | Yes | - | 30 ug/L | - | Resolved | Mar 31, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2010 | - |
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.