UNALAKLEET CITY WATER SUPPLY
PWS ID: AK2340387 · UNALAKLEET, Alaska 99684
Population Served
757
Total Violations
1,097
Health-Based Violations
264
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 245
- County
- Nome Census Area
- School/Daycare
- No
- MCL Violations
- 79
- Monitoring Violations
- 638
- Treatment Tech Violations
- 185
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | MR | 134 | 2024 |
| Interim Enhanced Surface Water Treatment Rule | TT | 111 | 2024 |
| Surface Water Treatment Rule | MR | 96 | 2024 |
| Surface Water Treatment Rule | TT | 71 | 2023 |
| Total Haloacetic Acids (HAA5) | MCL | 71 | 2011 |
| Total Haloacetic Acids (HAA5) | MR | 30 | 2022 |
| TTHM | MR | 28 | 2022 |
| Revised Total Coliform Rule | MON | 26 | 2025 |
| Consumer Confidence Rule | Other | 21 | 2017 |
| Coliform (TCR) | MR | 20 | 2006 |
| Chlorine | MR | 20 | 2025 |
| Lead and Copper Rule | MR | 10 | 2023 |
| Endrin | MR | 9 | 1995 |
| BHC-GAMMA | MR | 9 | 1995 |
| Toxaphene | MR | 9 | 1995 |
| 2,4-D | MR | 9 | 1995 |
| Methoxychlor | MR | 9 | 1995 |
| 2,4,5-TP | MR | 9 | 1995 |
| Simazine | MR | 8 | 1995 |
| Picloram | MR | 8 | 1995 |
| Diquat | MR | 8 | 1995 |
| Dinoseb | MR | 8 | 1995 |
| Total Polychlorinated Biphenyls (PCB) | MR | 8 | 1995 |
| Heptachlor | MR | 8 | 1995 |
| Chlordane | MR | 8 | 1995 |
| Atrazine | MR | 8 | 1995 |
| Aldicarb | MR | 8 | 1995 |
| Aldicarb sulfone | MR | 8 | 1995 |
| Aldicarb sulfoxide | MR | 8 | 1995 |
| Pentachlorophenol | MR | 8 | 1995 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.