Skamokawa Water System
PWS ID: WA5305198 · CATHLAMET, Washington 98612
Population Served
259
Total Violations
123
Health-Based Violations
15
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 49
- County
- Wahkiakum
- School/Daycare
- No
- MCL Violations
- 15
- Monitoring Violations
- 104
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 29 | 2007 |
| Coliform (TCR) | MCL | 15 | 2000 |
| Coliform (TCR) | MR | 10 | 2014 |
| Nitrate | MR | 7 | 2009 |
| Consumer Confidence Rule | Other | 2 | 2023 |
| Pentachlorophenol | MR | 2 | 2005 |
| Barium | MR | 1 | 2005 |
| Cadmium | MR | 1 | 2005 |
| Mercury | MR | 1 | 2005 |
| Selenium | MR | 1 | 2005 |
| Thallium, Total | MR | 1 | 2005 |
| 1,2,4-Trichlorobenzene | MR | 1 | 2005 |
| cis-1,2-Dichloroethylene | MR | 1 | 2005 |
| p-Dichlorobenzene | MR | 1 | 2005 |
| trans-1,2-Dichloroethylene | MR | 1 | 2005 |
| 1,1,1-Trichloroethane | MR | 1 | 2005 |
| Carbon tetrachloride | MR | 1 | 2005 |
| CHLOROBENZENE | MR | 1 | 2005 |
| Endrin | MR | 1 | 2005 |
| Di(2-ethylhexyl) adipate | MR | 1 | 2005 |
| Simazine | MR | 1 | 2005 |
| Atrazine | MR | 1 | 2005 |
| Heptachlor | MR | 1 | 2005 |
| HEXACHLOROBENZENE | MR | 1 | 2005 |
| Chlordane | MR | 1 | 2005 |
| Dalapon | MR | 1 | 2005 |
| Picloram | MR | 1 | 2005 |
| 2,4,5-TP | MR | 1 | 2005 |
| Carbofuran | MR | 1 | 2005 |
| Aldicarb | MR | 1 | 2005 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.