NAPASKIAK WEST WATER SYSTEM
PWS ID: AK2260139 · NAPASKIAK, Alaska 99559
Population Served
200
Total Violations
695
Health-Based Violations
13
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 1
- County
- Bethel Census Area
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 500
- Treatment Tech Violations
- 12
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 129 | 2025 |
| Chlorine | MR | 92 | 2025 |
| Coliform (TCR) | MR | 69 | 2016 |
| Nitrate | MR | 28 | 2023 |
| Consumer Confidence Rule | Other | 22 | 2023 |
| Lead and Copper Rule | MR | 12 | 2024 |
| Groundwater Rule | TT | 12 | 2024 |
| Arsenic | MR | 8 | 1993 |
| Cadmium | MR | 8 | 1993 |
| Chromium | MR | 8 | 1993 |
| Selenium | MR | 8 | 1993 |
| Mercury | MR | 8 | 1993 |
| Fluoride | MR | 8 | 1993 |
| Barium | MR | 8 | 1993 |
| p-Dichlorobenzene | MR | 7 | 2010 |
| Carbon tetrachloride | MR | 7 | 2010 |
| 1,1-Dichloroethylene | MR | 7 | 2010 |
| Trichloroethylene | MR | 7 | 2010 |
| Benzene | MR | 7 | 2010 |
| 1,2-Dichloroethane | MR | 7 | 2010 |
| 1,1,1-Trichloroethane | MR | 7 | 2010 |
| Gross Alpha, Excl. Radon and U | MR | 5 | 1985 |
| Vinyl chloride | MR | 5 | 2010 |
| Toluene | MR | 4 | 2010 |
| Tetrachloroethylene | MR | 4 | 2010 |
| Styrene | MR | 4 | 2010 |
| Ethylbenzene | MR | 4 | 2010 |
| cis-1,2-Dichloroethylene | MR | 4 | 2010 |
| trans-1,2-Dichloroethylene | MR | 4 | 2010 |
| Xylenes, Total | MR | 4 | 2010 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.