ONAWAY WATER AND SEWER ASSN
PWS ID: ID2290026 · POTLATCH, Idaho 83855
Population Served
200
Total Violations
21
Health-Based Violations
7
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 100
- County
- Latah
- School/Daycare
- No
- MCL Violations
- 7
- Monitoring Violations
- 14
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 7 | 2014 |
| E. COLI | MR | 5 | 2025 |
| Coliform (TCR) | MR | 4 | 2015 |
| Revised Total Coliform Rule | MON | 3 | 2017 |
| Lead and Copper Rule | MR | 2 | 2016 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.