POWDERHORN WATER ASSN
PWS ID: ID1280103 · POST FALLS, Idaho 83854
Population Served
27
Total Violations
10
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Local
- Connections
- 10
- County
- Kootenai
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 10
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| E. COLI | MR | 5 | 2023 |
| Nitrate | MR | 3 | 2018 |
| Coliform (TCR) | MR | 1 | 1991 |
| Revised Total Coliform Rule | MON | 1 | 2025 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.