ADAK UTILITIES
PWS ID: AK2260595 · ADAK, Alaska 99546
Population Served
325
Total Violations
993
Health-Based Violations
20
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 60
- County
- Aleutians West Census Area
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 781
- Treatment Tech Violations
- 19
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | MR | 68 | 2025 |
| Chlorine | MR | 47 | 2025 |
| Coliform (TCR) | MR | 45 | 2012 |
| Consumer Confidence Rule | Other | 20 | 2023 |
| Surface Water Treatment Rule | TT | 19 | 2025 |
| Nitrate | MR | 17 | 2015 |
| Lead and Copper Rule | MR | 15 | 2013 |
| TTHM | MR | 13 | 2015 |
| Toluene | MR | 12 | 2015 |
| Tetrachloroethylene | MR | 12 | 2015 |
| Styrene | MR | 12 | 2015 |
| 1,2-Dichloropropane | MR | 12 | 2015 |
| cis-1,2-Dichloroethylene | MR | 12 | 2015 |
| trans-1,2-Dichloroethylene | MR | 12 | 2015 |
| 1,1-Dichloroethylene | MR | 12 | 2015 |
| Trichloroethylene | MR | 12 | 2015 |
| p-Dichlorobenzene | MR | 12 | 2015 |
| 1,1,1-Trichloroethane | MR | 12 | 2015 |
| Carbon tetrachloride | MR | 12 | 2015 |
| Benzene | MR | 12 | 2015 |
| o-Dichlorobenzene | MR | 12 | 2015 |
| CHLOROBENZENE | MR | 12 | 2015 |
| Ethylbenzene | MR | 12 | 2015 |
| 1,2-Dichloroethane | MR | 11 | 2015 |
| BHC-GAMMA | MR | 11 | 2010 |
| Methoxychlor | MR | 11 | 2010 |
| Toxaphene | MR | 11 | 2010 |
| 2,4-D | MR | 11 | 2010 |
| 2,4,5-TP | MR | 11 | 2010 |
| Endrin | MR | 11 | 2010 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.