OLNEY-WALLUSKI WATER ASSN
PWS ID: OR4100057 · ASTORIA, Oregon 97103
Population Served
575
Total Violations
61
Health-Based Violations
4
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 254
- County
- Clatsop
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 52
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 42 | 2012 |
| Lead and Copper Rule | MR | 6 | 2004 |
| Consumer Confidence Rule | Other | 2 | 2025 |
| Total Haloacetic Acids (HAA5) | MCL | 2 | 2004 |
| TTHM | MR | 2 | 2024 |
| Total Haloacetic Acids (HAA5) | MR | 2 | 2024 |
| Surface Water Treatment Rule | TT | 2 | 2003 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.