Round Valley Piner
California - Community Water System - PWSID: 090605015
System Information
| PWSID | 090605015 |
| System Name | Round Valley Piner |
| 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 | Jun 30, 2026 |
Location & Contact
| State | California |
| City | Covelo |
| ZIP Code | 95428 |
| Address | 77826 Covelo Road |
| Organization | Round Valley Tribal Council |
| Phone | 7079836126 |
Population & Service
| Population Served | 409 |
| Service Connections | 115 |
Drinking Water Violations (472)
This water system has 472 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 | - | 10 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Dec 1, 2023 | - | RPT | No | No | - | - | - | Resolved | Jan 17, 2024 | - | |
| Nov 1, 2023 | - | RPT | No | No | - | - | - | Resolved | Jan 17, 2024 | - | |
| Oct 1, 2023 | - | RPT | No | No | - | - | - | Resolved | Nov 16, 2023 | - | |
| Aug 1, 2023 | - | RPT | No | No | - | - | - | Resolved | Oct 2, 2023 | - | |
| Jun 1, 2023 | - | RPT | No | No | - | - | - | Resolved | Jul 18, 2023 | - | |
| Apr 1, 2023 | - | RPT | No | No | - | - | - | Resolved | Jun 5, 2023 | - | |
| Feb 1, 2023 | - | RPT | No | No | - | - | - | Resolved | Mar 22, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.04 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.007 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.2 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.2 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.5 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.0002 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.07 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.001 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.00005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.05 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.7 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.02 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Dec 1, 2022 | - | RPT | No | No | - | - | - | Resolved | Feb 3, 2023 | - | |
| Nov 1, 2022 | Nov 30, 2022 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2022 | - | |
| Oct 1, 2022 | Oct 31, 2022 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2022 | - | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Sep 1, 2022 | - | RPT | No | No | - | - | - | Resolved | Oct 19, 2022 | - | |
| Sep 1, 2022 | - | MR | No | Yes | - | - | - | Resolved | Sep 30, 2022 | - | |
| Aug 31, 2022 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Aug 31, 2022 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2023 | - | |
| Aug 1, 2022 | - | RPT | No | No | - | - | - | Resolved | Oct 19, 2022 | - | |
| Jul 1, 2022 | - | RPT | No | No | - | - | - | Resolved | Oct 19, 2022 | - | |
| May 31, 2022 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2023 | - | |
| May 31, 2022 | - | TT | Yes | No | - | - | - | Resolved | Apr 11, 2024 | - | |
| Apr 1, 2022 | Jun 30, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 13, 2022 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 1, 2021 | - | |
| Aug 1, 2021 | - | Other | No | No | - | - | - | Resolved | May 25, 2022 | - | |
| Aug 1, 2021 | Aug 31, 2021 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2021 | - | |
| Jul 1, 2021 | Sep 30, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2021 | - | |
| Dec 1, 2020 | - | RPT | No | No | - | - | - | Resolved | Feb 11, 2021 | - | |
| Oct 1, 2020 | - | RPT | No | No | - | - | - | Resolved | Feb 11, 2021 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.0005 mg/L | - | Resolved | Dec 23, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.5 mg/L | - | Resolved | Dec 23, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 23, 2022 | - | |
| Jan 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Sep 14, 2023 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Dec 23, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2020 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2020 | - |
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.