USFW DWORSHAK NATIONAL FISH HATCHERY
PWS ID: ID2180035 · AHSAHKA, Idaho 83520
Population Served
25
Total Violations
243
Health-Based Violations
149
Water Source
Surface Water
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Federal
- Connections
- 12
- County
- Clearwater
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 93
- Treatment Tech Violations
- 148
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | TT | 147 | 2008 |
| Interim Enhanced Surface Water Treatment Rule | MR | 36 | 2021 |
| Surface Water Treatment Rule | MR | 11 | 2021 |
| Coliform (TCR) | MR | 11 | 2010 |
| Chlorine | MR | 4 | 2008 |
| Total Haloacetic Acids (HAA5) | MR | 3 | 2019 |
| TTHM | MR | 3 | 2019 |
| Nitrate | MR | 2 | 2017 |
| Lead and Copper Rule | MR | 2 | 2008 |
| cis-1,2-Dichloroethylene | MR | 1 | 2002 |
| 1,2,4-Trichlorobenzene | MR | 1 | 2002 |
| Xylenes, Total | MR | 1 | 2002 |
| p-Dichlorobenzene | MR | 1 | 2002 |
| 1,2-Dichloroethane | MR | 1 | 2002 |
| 1,2-Dichloropropane | MR | 1 | 2002 |
| CHLOROBENZENE | MR | 1 | 2002 |
| Styrene | MR | 1 | 2002 |
| Lead and Copper Rule | TT | 1 | 2001 |
| Carbon tetrachloride | MR | 1 | 2002 |
| Coliform (TCR) | MCL | 1 | 1997 |
| 1,1,2-Trichloroethane | MR | 1 | 2002 |
| DICHLOROMETHANE | MR | 1 | 2002 |
| Ethylbenzene | MR | 1 | 2002 |
| 1,1,1-Trichloroethane | MR | 1 | 2002 |
| o-Dichlorobenzene | MR | 1 | 2002 |
| Tetrachloroethylene | MR | 1 | 2002 |
| Trichloroethylene | MR | 1 | 2002 |
| Vinyl chloride | MR | 1 | 2002 |
| 1,1-Dichloroethylene | MR | 1 | 2002 |
| trans-1,2-Dichloroethylene | MR | 1 | 2002 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.