SILVERWOOD
PWS ID: ID1280091 · ATHOL, Idaho 83801
Population Served
3,930
Total Violations
88
Health-Based Violations
2
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 55
- County
- Kootenai
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 84
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 12 | 2024 |
| Lead and Copper Rule | MR | 8 | 2009 |
| Nitrate | MR | 4 | 2006 |
| Cadmium | MR | 3 | 2008 |
| Chromium | MR | 3 | 2008 |
| Barium | MR | 3 | 2008 |
| Arsenic | MR | 3 | 2008 |
| Selenium | MR | 3 | 2008 |
| Mercury | MR | 3 | 2008 |
| Nickel | MR | 2 | 2008 |
| Antimony, Total | MR | 2 | 2008 |
| Beryllium, Total | MR | 2 | 2008 |
| Thallium, Total | MR | 2 | 2008 |
| Public Notice | Other | 2 | 2011 |
| Coliform (TCR) | MCL | 2 | 2002 |
| Coliform (TCR) | MR | 2 | 2012 |
| Pentachlorophenol | MR | 1 | 1993 |
| Methoxychlor | MR | 1 | 1993 |
| Toxaphene | MR | 1 | 1993 |
| Total Polychlorinated Biphenyls (PCB) | MR | 1 | 1993 |
| Benzene | MR | 1 | 1993 |
| Carbon tetrachloride | MR | 1 | 1993 |
| cis-1,2-Dichloroethylene | MR | 1 | 1993 |
| 1,2-Dichloroethane | MR | 1 | 1993 |
| o-Dichlorobenzene | MR | 1 | 1993 |
| p-Dichlorobenzene | MR | 1 | 1993 |
| CHLOROBENZENE | MR | 1 | 1993 |
| Styrene | MR | 1 | 1993 |
| ETHYLENE DIBROMIDE | MR | 1 | 1993 |
| Tetrachloroethylene | MR | 1 | 1993 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.