WEST YAMHILL WATER COMPANY
PWS ID: OR4101324 · YAMHILL, Oregon 97148
Population Served
56
Total Violations
64
Health-Based Violations
5
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 30
- County
- Yamhill
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 50
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 17 | 2007 |
| Lead and Copper Rule | MR | 11 | 2005 |
| TTHM | MR | 10 | 2020 |
| Total Haloacetic Acids (HAA5) | MR | 10 | 2020 |
| Consumer Confidence Rule | Other | 7 | 2025 |
| Coliform (TCR) | MCL | 5 | 2004 |
| Revised Total Coliform Rule | MON | 2 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.