Round Valley Piner
PWS ID: 090605015 · Covelo, 09 95428
Population Served
409
Total Violations
455
Health-Based Violations
5
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 115
- School/Daycare
- No
- MCL Violations
- 3
- Monitoring Violations
- 287
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 22 | 2014 |
| Gross Alpha, Excl. Radon and U | MR | 15 | 2011 |
| Combined Uranium | MR | 14 | 2011 |
| Combined Radium (-226 and -228) | MR | 14 | 2011 |
| Revised Total Coliform Rule | RPT | 13 | 2023 |
| Nitrate | MR | 12 | 2023 |
| Lead and Copper Rule | MR | 10 | 2020 |
| Consumer Confidence Rule | Other | 5 | 2010 |
| BHC-GAMMA | MR | 4 | 2020 |
| Carbofuran | MR | 4 | 2020 |
| Atrazine | MR | 4 | 2020 |
| LASSO | MR | 4 | 2020 |
| 2,4-D | MR | 4 | 2020 |
| 2,4,5-TP | MR | 4 | 2020 |
| Pentachlorophenol | MR | 4 | 2020 |
| Total Polychlorinated Biphenyls (PCB) | MR | 4 | 2020 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 4 | 2020 |
| ETHYLENE DIBROMIDE | MR | 4 | 2020 |
| Chlorine | MR | 4 | 2022 |
| Arsenic | MR | 3 | 2008 |
| Barium | MR | 3 | 2008 |
| Chromium | MR | 3 | 2008 |
| Mercury | MR | 3 | 2008 |
| Selenium | MR | 3 | 2008 |
| Fluoride | MR | 3 | 2008 |
| Antimony, Total | MR | 3 | 2008 |
| Thallium, Total | MR | 3 | 2008 |
| Toxaphene | MR | 3 | 2004 |
| Dalapon | MR | 3 | 2020 |
| OXAMYL | MR | 3 | 2020 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.