CLARK FORK CITY OF
PWS ID: ID1090018 · CLARK FORK, Idaho 83811
Population Served
730
Total Violations
19
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 292
- County
- Bonner
- School/Daycare
- No
- MCL Violations
- 3
- Monitoring Violations
- 15
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 3 | 2007 |
| Coliform (TCR) | MCL | 3 | 1998 |
| Coliform (TCR) | MR | 2 | 2007 |
| TTHM | MR | 1 | 2005 |
| Total Haloacetic Acids (HAA5) | MR | 1 | 2005 |
| Mercury | MR | 1 | 1979 |
| Chlorine | MR | 1 | 2007 |
| Fluoride | MR | 1 | 1979 |
| Barium | MR | 1 | 1979 |
| Selenium | MR | 1 | 1979 |
| Cadmium | MR | 1 | 1979 |
| Chromium | MR | 1 | 1979 |
| Arsenic | MR | 1 | 1979 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.