WASCO COUNTY FAIRGROUNDS
PWS ID: OR4195018 · TYGH VALLEY, Oregon 97063
Population Served
150
Total Violations
37
Health-Based Violations
7
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Local
- Connections
- 140
- County
- Wasco
- School/Daycare
- No
- MCL Violations
- 7
- Monitoring Violations
- 30
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 11 | 2024 |
| Revised Total Coliform Rule | MON | 9 | 2025 |
| Coliform (TCR) | MR | 8 | 2010 |
| Coliform (TCR) | MCL | 7 | 2010 |
| COLIPHAGE | MR | 2 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.