WEST HILLS WATER COMPANY
PWS ID: OR4100895 · TILLAMOOK, Oregon 97141
Population Served
299
Total Violations
24
Health-Based Violations
1
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 105
- County
- Tillamook
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 17
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 5 | 2003 |
| Coliform (TCR) | MR | 4 | 2010 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2016 |
| TTHM | MR | 4 | 2016 |
| Consumer Confidence Rule | Other | 3 | 2023 |
| Surface Water Treatment Rule | TT | 1 | 1992 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.