CATHLAMET WATER DEPT
PWS ID: WA5311850 · Cathlamet, Washington 98612
Population Served
1,636
Total Violations
498
Health-Based Violations
60
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 739
- County
- Wahkiakum
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 430
- Treatment Tech Violations
- 60
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | TT | 60 | 1999 |
| Arsenic | MR | 13 | 2008 |
| Mercury | MR | 13 | 2008 |
| Selenium | MR | 13 | 2008 |
| Barium | MR | 13 | 2008 |
| Chromium | MR | 13 | 2008 |
| Cadmium | MR | 13 | 2008 |
| Fluoride | MR | 13 | 2008 |
| Nickel | MR | 12 | 2008 |
| CYANIDE | MR | 12 | 2008 |
| Antimony, Total | MR | 12 | 2008 |
| Beryllium, Total | MR | 12 | 2008 |
| Thallium, Total | MR | 12 | 2008 |
| cis-1,2-Dichloroethylene | MR | 11 | 2008 |
| o-Dichlorobenzene | MR | 11 | 2008 |
| Vinyl chloride | MR | 11 | 2008 |
| 1,1-Dichloroethylene | MR | 11 | 2008 |
| 1,1,1-Trichloroethane | MR | 11 | 2008 |
| 1,1,2-Trichloroethane | MR | 11 | 2008 |
| CHLOROBENZENE | MR | 11 | 2008 |
| Toluene | MR | 11 | 2008 |
| Ethylbenzene | MR | 11 | 2008 |
| 1,2,4-Trichlorobenzene | MR | 11 | 2008 |
| DICHLOROMETHANE | MR | 11 | 2008 |
| p-Dichlorobenzene | MR | 11 | 2008 |
| trans-1,2-Dichloroethylene | MR | 11 | 2008 |
| Carbon tetrachloride | MR | 11 | 2008 |
| 1,2-Dichloropropane | MR | 11 | 2008 |
| Trichloroethylene | MR | 11 | 2008 |
| Tetrachloroethylene | MR | 11 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.