ATKA
PWS ID: AK2260058 · ATKA, Alaska 99547
Population Served
50
Total Violations
1,397
Health-Based Violations
63
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 50
- County
- Aleutians West Census Area
- School/Daycare
- No
- MCL Violations
- 17
- Monitoring Violations
- 1,186
- Treatment Tech Violations
- 46
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | MR | 223 | 2025 |
| Coliform (TCR) | MR | 138 | 2016 |
| Chlorine | MR | 92 | 2025 |
| Surface Water Treatment Rule | TT | 45 | 2019 |
| Revised Total Coliform Rule | MON | 22 | 2025 |
| Nitrate | MR | 21 | 2023 |
| Xylenes, Total | MR | 16 | 2021 |
| Toluene | MR | 16 | 2021 |
| Ethylbenzene | MR | 16 | 2021 |
| Benzene | MR | 16 | 2021 |
| 1,1,1-Trichloroethane | MR | 15 | 2021 |
| o-Dichlorobenzene | MR | 15 | 2021 |
| Carbon tetrachloride | MR | 15 | 2021 |
| Styrene | MR | 15 | 2021 |
| CHLOROBENZENE | MR | 15 | 2021 |
| Tetrachloroethylene | MR | 15 | 2021 |
| cis-1,2-Dichloroethylene | MR | 15 | 2021 |
| Trichloroethylene | MR | 15 | 2021 |
| 1,2-Dichloropropane | MR | 15 | 2021 |
| 1,1-Dichloroethylene | MR | 15 | 2021 |
| 1,2-Dichloroethane | MR | 15 | 2021 |
| p-Dichlorobenzene | MR | 15 | 2021 |
| trans-1,2-Dichloroethylene | MR | 15 | 2021 |
| Coliform (TCR) | MCL | 15 | 2012 |
| DICHLOROMETHANE | MR | 14 | 2021 |
| 1,2,4-Trichlorobenzene | MR | 13 | 2021 |
| 1,1,2-Trichloroethane | MR | 13 | 2021 |
| Endrin | MR | 11 | 2025 |
| BHC-GAMMA | MR | 11 | 2025 |
| Methoxychlor | MR | 11 | 2025 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.