OFFSHORE SYSTEMS, DUTCH HARBOR
PWS ID: AK2262505 · DUTCH HARBOR, Alaska 99692
Population Served
535
Total Violations
396
Health-Based Violations
5
Water Source
Surface Water
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 30
- County
- Aleutians West Census Area
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 308
- Treatment Tech Violations
- 5
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | MR | 53 | 2022 |
| Chlorine | MR | 43 | 2025 |
| Coliform (TCR) | MR | 42 | 2011 |
| Nitrate | MR | 7 | 2005 |
| DICHLOROMETHANE | MR | 6 | 2000 |
| Xylenes, Total | MR | 6 | 2000 |
| p-Dichlorobenzene | MR | 6 | 2000 |
| 1,1,1-Trichloroethane | MR | 6 | 2000 |
| Toluene | MR | 6 | 2000 |
| Ethylbenzene | MR | 6 | 2000 |
| 1,2-Dichloropropane | MR | 6 | 2000 |
| cis-1,2-Dichloroethylene | MR | 6 | 2000 |
| 1,1-Dichloroethylene | MR | 6 | 2000 |
| Benzene | MR | 6 | 2000 |
| 1,2-Dichloroethane | MR | 6 | 2000 |
| 1,2,4-Trichlorobenzene | MR | 6 | 2000 |
| 1,1,2-Trichloroethane | MR | 6 | 2000 |
| o-Dichlorobenzene | MR | 6 | 2000 |
| CHLOROBENZENE | MR | 6 | 2000 |
| Tetrachloroethylene | MR | 6 | 2000 |
| trans-1,2-Dichloroethylene | MR | 6 | 2000 |
| Trichloroethylene | MR | 6 | 2000 |
| Styrene | MR | 6 | 2000 |
| Carbon tetrachloride | MR | 6 | 2000 |
| Surface Water Treatment Rule | TT | 5 | 2022 |
| Arsenic | MR | 4 | 2005 |
| TTHM | MR | 4 | 2020 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2020 |
| Lead and Copper Rule | MR | 4 | 2009 |
| Consumer Confidence Rule | Other | 4 | 2006 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.