HIDDEN VALLEY WATER ASSN
PWS ID: ID1280093 · HAYDEN, Idaho 83835
Population Served
120
Total Violations
31
Health-Based Violations
7
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 48
- County
- Kootenai
- School/Daycare
- No
- MCL Violations
- 7
- Monitoring Violations
- 23
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 12 | 2000 |
| Coliform (TCR) | MCL | 7 | 2002 |
| Fluoride | MR | 1 | 1979 |
| Chromium | MR | 1 | 1979 |
| Nitrate | MR | 1 | 1979 |
| Arsenic | MR | 1 | 1979 |
| Cadmium | MR | 1 | 1979 |
| Selenium | MR | 1 | 1979 |
| TTHM | MR | 1 | 2005 |
| Total Haloacetic Acids (HAA5) | MR | 1 | 2005 |
| Mercury | MR | 1 | 1979 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1979 |
| Barium | MR | 1 | 1979 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.