OPRD HAT ROCK STATE PARK
PWS ID: OR4191072 · MEACHAM, Oregon 97859
Population Served
500
Total Violations
65
Health-Based Violations
21
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- State
- Connections
- 3
- County
- Umatilla
- School/Daycare
- No
- MCL Violations
- 21
- Monitoring Violations
- 39
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 22 | 2015 |
| Nitrate | MCL | 16 | 2021 |
| Nitrate | MR | 9 | 2023 |
| Coliform (TCR) | MCL | 5 | 2015 |
| Revised Total Coliform Rule | MON | 5 | 2020 |
| E. COLI | MR | 3 | 2023 |
| Public Notice | Other | 2 | 2021 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.