BOISTFORT VALLEY
PWS ID: WA5307610 · Adna, Washington 98522
Population Served
2,389
Total Violations
388
Health-Based Violations
9
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 829
- County
- Lewis
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 377
- Treatment Tech Violations
- 9
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| 1,2,4-Trichlorobenzene | MR | 18 | 2008 |
| cis-1,2-Dichloroethylene | MR | 18 | 2008 |
| p-Dichlorobenzene | MR | 18 | 2008 |
| 1,1-Dichloroethylene | MR | 18 | 2008 |
| trans-1,2-Dichloroethylene | MR | 18 | 2008 |
| 1,2-Dichloroethane | MR | 18 | 2008 |
| 1,1,1-Trichloroethane | MR | 18 | 2008 |
| Carbon tetrachloride | MR | 18 | 2008 |
| Trichloroethylene | MR | 18 | 2008 |
| 1,1,2-Trichloroethane | MR | 18 | 2008 |
| CHLOROBENZENE | MR | 18 | 2008 |
| Toluene | MR | 18 | 2008 |
| Ethylbenzene | MR | 18 | 2008 |
| Styrene | MR | 18 | 2008 |
| o-Dichlorobenzene | MR | 18 | 2008 |
| Vinyl chloride | MR | 18 | 2008 |
| 1,2-Dichloropropane | MR | 18 | 2008 |
| DICHLOROMETHANE | MR | 18 | 2008 |
| Benzene | MR | 18 | 2008 |
| Tetrachloroethylene | MR | 18 | 2008 |
| Surface Water Treatment Rule | TT | 9 | 1994 |
| Surface Water Treatment Rule | MR | 4 | 2018 |
| Long Term 2 Enhanced Surface Water Treatment Rule | MR | 2 | 2018 |
| Nitrate | MR | 2 | 2018 |
| Consumer Confidence Rule | Other | 1 | 2014 |
| Revised Total Coliform Rule | MON | 1 | 2019 |
| Mercury | MR | 1 | 1979 |
| Cadmium | MR | 1 | 1979 |
| Arsenic | MR | 1 | 1979 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1979 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.