SHUNGNAK WATER SYSTEM
PWS ID: AK2340361 · SHUNGNAK, Alaska 99773
Population Served
299
Total Violations
1,360
Health-Based Violations
56
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 68
- County
- Northwest Arctic Borough
- School/Daycare
- No
- MCL Violations
- 8
- Monitoring Violations
- 1,161
- Treatment Tech Violations
- 48
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | MR | 152 | 2025 |
| Surface Water Treatment Rule | TT | 48 | 2023 |
| Coliform (TCR) | MR | 34 | 2014 |
| Toxaphene | MR | 27 | 2001 |
| BHC-GAMMA | MR | 27 | 2001 |
| Methoxychlor | MR | 27 | 2001 |
| 2,4,5-TP | MR | 27 | 2001 |
| 2,4-D | MR | 26 | 2001 |
| Pentachlorophenol | MR | 24 | 2001 |
| Atrazine | MR | 24 | 2001 |
| Lead and Copper Rule | MR | 24 | 2025 |
| Heptachlor | MR | 24 | 2001 |
| Chlordane | MR | 24 | 2001 |
| Total Polychlorinated Biphenyls (PCB) | MR | 24 | 2001 |
| Heptachlor epoxide | MR | 23 | 2001 |
| Nitrate | MR | 22 | 2022 |
| Interim Enhanced Surface Water Treatment Rule | MR | 21 | 2025 |
| ETHYLENE DIBROMIDE | MR | 14 | 2001 |
| Endrin | MR | 14 | 2001 |
| Arsenic | MR | 14 | 2008 |
| 1,2,4-Trichlorobenzene | MR | 13 | 2023 |
| Xylenes, Total | MR | 13 | 2023 |
| Tetrachloroethylene | MR | 13 | 2023 |
| cis-1,2-Dichloroethylene | MR | 13 | 2023 |
| trans-1,2-Dichloroethylene | MR | 13 | 2023 |
| 1,1-Dichloroethylene | MR | 13 | 2023 |
| Trichloroethylene | MR | 13 | 2023 |
| o-Dichlorobenzene | MR | 13 | 2023 |
| CHLOROBENZENE | MR | 13 | 2023 |
| Fluoride | MR | 13 | 1991 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.