SHANIKO WATER SYSTEM
PWS ID: OR4105384 · SHANIKO, Oregon 97057
Population Served
38
Total Violations
50
Health-Based Violations
5
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 35
- County
- Wasco
- School/Daycare
- No
- MCL Violations
- 3
- Monitoring Violations
- 34
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 24 | 2002 |
| Consumer Confidence Rule | Other | 6 | 2025 |
| Revised Total Coliform Rule | MON | 4 | 2024 |
| Nitrate | MR | 3 | 2001 |
| Revised Total Coliform Rule | TT | 2 | 2021 |
| Revised Total Coliform Rule | MCL | 2 | 2025 |
| Public Notice | Other | 1 | 2021 |
| TTHM | MR | 1 | 2020 |
| Total Haloacetic Acids (HAA5) | MR | 1 | 2020 |
| Coliform (TCR) | MCL | 1 | 1997 |
| Lead and Copper Rule | MR | 1 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.