OCHOCO WEST WTR & SAN AUTHORITY
PWS ID: OR4100681 · PRINEVILLE, Oregon 97754
Population Served
400
Total Violations
29
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 242
- County
- Crook
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 18
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 6 | 2005 |
| Arsenic | MR | 6 | 2022 |
| Consumer Confidence Rule | Other | 5 | 2025 |
| Nitrate | MR | 2 | 2023 |
| Arsenic | MCL | 1 | 2002 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1976 |
| Combined Radium (-226 and -228) | MR | 1 | 1976 |
| TTHM | MR | 1 | 2019 |
| Total Haloacetic Acids (HAA5) | MR | 1 | 2019 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.