WILLOW DALE WATER DISTRICT
PWS ID: OR4100058 · ASTORIA, Oregon 97103
Population Served
310
Total Violations
46
Health-Based Violations
3
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 136
- County
- Clatsop
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 32
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 13 | 2000 |
| Lead and Copper Rule | MR | 13 | 2004 |
| Consumer Confidence Rule | Other | 7 | 2004 |
| TTHM | MR | 3 | 2011 |
| Total Haloacetic Acids (HAA5) | MR | 3 | 2011 |
| Surface Water Treatment Rule | TT | 3 | 2003 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.