NELSON LAGOON WATER SYSTEM
PWS ID: AK2260804 · NELSON LAGOON, Alaska 99571
Population Served
60
Total Violations
1,125
Health-Based Violations
33
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 52
- County
- Aleutians East Borough
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 956
- Treatment Tech Violations
- 32
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | MR | 273 | 2025 |
| Coliform (TCR) | MR | 99 | 2015 |
| Revised Total Coliform Rule | MON | 69 | 2025 |
| Interim Enhanced Surface Water Treatment Rule | MR | 55 | 2025 |
| Chlorine | MR | 49 | 2025 |
| Surface Water Treatment Rule | TT | 32 | 2024 |
| Nitrate | MR | 15 | 2023 |
| Consumer Confidence Rule | Other | 13 | 2019 |
| Benzene | MR | 11 | 2023 |
| Trichloroethylene | MR | 11 | 2023 |
| Carbon tetrachloride | MR | 11 | 2023 |
| 1,1,1-Trichloroethane | MR | 11 | 2023 |
| p-Dichlorobenzene | MR | 11 | 2023 |
| 1,2-Dichloroethane | MR | 11 | 2023 |
| 1,1-Dichloroethylene | MR | 11 | 2023 |
| Lead and Copper Rule | MR | 10 | 2021 |
| Arsenic | MR | 9 | 2003 |
| Vinyl chloride | MR | 8 | 2023 |
| Mercury | MR | 7 | 1992 |
| Chromium | MR | 7 | 1992 |
| Cadmium | MR | 7 | 1992 |
| Selenium | MR | 7 | 1992 |
| Fluoride | MR | 7 | 1992 |
| Xylenes, Total | MR | 7 | 2023 |
| CHLOROBENZENE | MR | 7 | 2023 |
| Toluene | MR | 7 | 2023 |
| Tetrachloroethylene | MR | 7 | 2023 |
| Styrene | MR | 7 | 2023 |
| Ethylbenzene | MR | 7 | 2023 |
| 1,2-Dichloropropane | MR | 7 | 2023 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.