NEWAUKUM HILL WATER ASSN
PWS ID: WA5301428 · CHEHALIS, Washington 98532
Population Served
493
Total Violations
38
Health-Based Violations
4
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 201
- County
- Lewis
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 33
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 4 | 1991 |
| Total Haloacetic Acids (HAA5) | MR | 3 | 2024 |
| TTHM | MR | 3 | 2024 |
| cis-1,2-Dichloroethylene | MR | 1 | 2014 |
| 1,1,1-Trichloroethane | MR | 1 | 2014 |
| Carbon tetrachloride | MR | 1 | 2014 |
| 1,2-Dichloropropane | MR | 1 | 2014 |
| 1,1,2-Trichloroethane | MR | 1 | 2014 |
| Tetrachloroethylene | MR | 1 | 2014 |
| Benzene | MR | 1 | 2014 |
| Toluene | MR | 1 | 2014 |
| Styrene | MR | 1 | 2014 |
| 1,2-Dichloroethane | MR | 1 | 2014 |
| Nitrate | MR | 1 | 2013 |
| 1,1-Dichloroethylene | MR | 1 | 2014 |
| o-Dichlorobenzene | MR | 1 | 2014 |
| Trichloroethylene | MR | 1 | 2014 |
| 2,4,5-TP | MR | 1 | 2014 |
| Picloram | MR | 1 | 2014 |
| Pentachlorophenol | MR | 1 | 2014 |
| DICHLOROMETHANE | MR | 1 | 2014 |
| Dinoseb | MR | 1 | 2014 |
| Consumer Confidence Rule | Other | 1 | 2024 |
| Dalapon | MR | 1 | 2014 |
| Coliform (TCR) | MR | 1 | 1991 |
| 1,2,4-Trichlorobenzene | MR | 1 | 2014 |
| Vinyl chloride | MR | 1 | 2014 |
| trans-1,2-Dichloroethylene | MR | 1 | 2014 |
| CHLOROBENZENE | MR | 1 | 2014 |
| Ethylbenzene | MR | 1 | 2014 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.