WESTPORT WATER ASSOCIATION
PWS ID: OR4100950 · WESTPORT, Oregon 97016
Population Served
550
Total Violations
166
Health-Based Violations
43
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 165
- County
- Clatsop
- School/Daycare
- No
- MCL Violations
- 12
- Monitoring Violations
- 109
- Treatment Tech Violations
- 31
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | MR | 39 | 1997 |
| Coliform (TCR) | MR | 37 | 2016 |
| Surface Water Treatment Rule | TT | 31 | 2000 |
| Coliform (TCR) | MCL | 12 | 2008 |
| Consumer Confidence Rule | Other | 5 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2017 |
| TTHM | MR | 3 | 2016 |
| 1,2,4-Trichlorobenzene | MR | 1 | 2006 |
| cis-1,2-Dichloroethylene | MR | 1 | 2006 |
| Xylenes, Total | MR | 1 | 2006 |
| DICHLOROMETHANE | MR | 1 | 2006 |
| p-Dichlorobenzene | MR | 1 | 2006 |
| Carbon tetrachloride | MR | 1 | 2006 |
| 1,2-Dichloropropane | MR | 1 | 2006 |
| Trichloroethylene | MR | 1 | 2006 |
| CHLOROBENZENE | MR | 1 | 2006 |
| Benzene | MR | 1 | 2006 |
| Toluene | MR | 1 | 2006 |
| Ethylbenzene | MR | 1 | 2006 |
| Styrene | MR | 1 | 2006 |
| Combined Radium (-226 and -228) | MR | 1 | 1976 |
| 1,1,2-Trichloroethane | MR | 1 | 2006 |
| Vinyl chloride | MR | 1 | 2006 |
| o-Dichlorobenzene | MR | 1 | 2006 |
| trans-1,2-Dichloroethylene | MR | 1 | 2006 |
| E. COLI | MR | 1 | 2016 |
| Nitrate | MR | 1 | 2006 |
| Arsenic | MR | 1 | 2006 |
| Tetrachloroethylene | MR | 1 | 2006 |
| 1,1,1-Trichloroethane | MR | 1 | 2006 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.