ATMAUTLUAK WATER SYSTEM
PWS ID: AK2271033 · ATMAUTLUAK, Alaska 99559
Population Served
311
Total Violations
916
Health-Based Violations
25
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 3
- County
- Bethel Census Area
- School/Daycare
- No
- MCL Violations
- 14
- Monitoring Violations
- 663
- Treatment Tech Violations
- 11
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 81 | 2015 |
| Chlorine | MR | 70 | 2025 |
| Nitrate | MR | 40 | 2023 |
| Revised Total Coliform Rule | MON | 39 | 2025 |
| Lead and Copper Rule | MR | 24 | 2025 |
| Consumer Confidence Rule | Other | 16 | 2023 |
| Coliform (TCR) | MCL | 14 | 2015 |
| TTHM | MR | 14 | 2024 |
| Combined Radium (-226 and -228) | MR | 13 | 2013 |
| Arsenic | MR | 12 | 2008 |
| Total Haloacetic Acids (HAA5) | MR | 12 | 2024 |
| Groundwater Rule | TT | 10 | 2024 |
| Barium | MR | 9 | 2002 |
| Fluoride | MR | 9 | 2002 |
| Chromium | MR | 9 | 2002 |
| Mercury | MR | 9 | 2002 |
| Selenium | MR | 9 | 2002 |
| Cadmium | MR | 9 | 2002 |
| Trichloroethylene | MR | 8 | 2023 |
| 1,2-Dichloroethane | MR | 8 | 2023 |
| 1,1-Dichloroethylene | MR | 8 | 2023 |
| p-Dichlorobenzene | MR | 8 | 2023 |
| 1,1,1-Trichloroethane | MR | 8 | 2023 |
| Benzene | MR | 8 | 2023 |
| Carbon tetrachloride | MR | 8 | 2023 |
| Vinyl chloride | MR | 7 | 2023 |
| Hexachlorocyclopentadiene | MR | 7 | 2016 |
| HEXACHLOROBENZENE | MR | 6 | 2016 |
| Benzo(a)pyrene | MR | 6 | 2016 |
| Simazine | MR | 6 | 2016 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.