CHEHALEM VALLEY WATER ASSN
PWS ID: OR4100558 · NEWBERG, Oregon 97132
Population Served
75
Total Violations
30
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 34
- County
- Yamhill
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 24
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 6 | 2015 |
| Lead and Copper Rule | MR | 6 | 2012 |
| TTHM | MR | 5 | 2024 |
| Total Haloacetic Acids (HAA5) | MR | 5 | 2024 |
| Revised Total Coliform Rule | MON | 1 | 2025 |
| E. COLI | MR | 1 | 2019 |
| Consumer Confidence Rule | Other | 1 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.