FORT OKANOGAN INTERPRETIVE CENTER
PWS ID: 105338101 · NESPELEM, 10 99155
Population Served
50
Total Violations
11
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Native American
- Connections
- 1
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 7
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 4 | 2023 |
| Public Notice | Other | 3 | 2023 |
| Coliform (TCR) | MR | 2 | 2015 |
| E. COLI | MR | 1 | 2018 |
| Revised Total Coliform Rule | TT | 1 | 2023 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.