KOOTENAI HIGH SCHOOL DIST 274
PWS ID: ID1280107 · HARRISON, Idaho 83833
Population Served
255
Total Violations
42
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 5
- County
- Kootenai
- School/Daycare
- Yes
- MCL Violations
- 4
- Monitoring Violations
- 37
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 7 | 2019 |
| Coliform (TCR) | MR | 6 | 2009 |
| Nitrate | MR | 4 | 2004 |
| Coliform (TCR) | MCL | 4 | 2008 |
| Cadmium | MR | 2 | 2002 |
| Chromium | MR | 2 | 2002 |
| Selenium | MR | 2 | 2002 |
| Barium | MR | 2 | 2002 |
| Mercury | MR | 2 | 2002 |
| Nickel | MR | 1 | 2002 |
| Beryllium, Total | MR | 1 | 2002 |
| Thallium, Total | MR | 1 | 2002 |
| Dalapon | MR | 1 | 1996 |
| 2,4,5-TP | MR | 1 | 1996 |
| Picloram | MR | 1 | 1996 |
| Dinoseb | MR | 1 | 1996 |
| Di(2-ethylhexyl) phthalate | MR | 1 | 1996 |
| 2,4-D | MR | 1 | 1996 |
| Antimony, Total | MR | 1 | 2002 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.