Round Valley Agency
California - Community Water System - PWSID: 090605073
System Information
| PWSID | 090605073 |
| System Name | Round Valley Agency |
| 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 | Covelo |
| ZIP Code | 95428 |
| Address | 77826 Covelo Road |
| Organization | Round Valley Tribal Council |
| Phone | 7079836126 |
Population & Service
| Population Served | 84 |
| Service Connections | 30 |
Drinking Water Violations (355)
This water system has 355 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 30, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Nov 30, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 10 mg/L | - | Archived | Dec 31, 2025 | - | |
| Nov 16, 2024 | - | RPT | No | No | - | - | - | Resolved | Dec 19, 2024 | - | |
| Nov 1, 2024 | - | RPT | No | No | - | - | - | Resolved | Dec 24, 2024 | - | |
| Nov 1, 2024 | - | RPT | No | No | - | - | - | Resolved | Dec 24, 2024 | - | |
| Nov 1, 2024 | - | MR | No | Yes | - | - | - | Unaddressed | - | - | |
| Nov 1, 2024 | - | RPT | No | No | - | - | - | Resolved | Dec 24, 2024 | - | |
| 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 | - | |
| Aug 1, 2023 | - | MR | No | Yes | - | - | - | Unaddressed | - | - | |
| Jun 1, 2023 | - | RPT | No | No | - | - | - | Resolved | Jun 5, 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 | - | 0.0002 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 | - | 0.1 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 | - | 0.04 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 | - | 0.02 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, 2023 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2023 | - | |
| 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 | - | 0.07 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 | - | 0.001 mg/L | - | Archived | Dec 31, 2025 | - | |
| 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 | Dec 31, 2022 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Oct 1, 2022 | Oct 31, 2022 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2022 | - | |
| Sep 1, 2022 | - | RPT | No | No | - | - | - | Resolved | Oct 19, 2022 | - | |
| 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 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 1, 2021 | - | |
| Aug 1, 2021 | Aug 31, 2021 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2021 | - | |
| Aug 1, 2021 | - | Other | No | No | - | - | - | Resolved | May 25, 2022 | - | |
| 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, 2025 | MR | No | Yes | - | 0.075 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2020 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2020 | Dec 31, 2025 | MR | No | Yes | - | 0.007 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2020 | Dec 31, 2025 | MR | No | Yes | - | 0.6 mg/L | - | Archived | Dec 31, 2025 | - |
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.