NSBU - NUIQSUT
PWS ID: AK2320264 · ANCHORAGE, Alaska 99518
Population Served
443
Total Violations
272
Health-Based Violations
69
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 141
- County
- North Slope Borough
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 90
- Treatment Tech Violations
- 69
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | TT | 69 | 2000 |
| Surface Water Treatment Rule | MR | 46 | 2025 |
| Chlorine | MR | 10 | 2025 |
| Coliform (TCR) | MR | 9 | 2006 |
| Consumer Confidence Rule | Other | 8 | 2019 |
| Lead and Copper Rule | MR | 3 | 2004 |
| Total Haloacetic Acids (HAA5) | MR | 2 | 2021 |
| TTHM | MR | 2 | 2021 |
| Gross Alpha, Excl. Radon and U | MR | 2 | 1985 |
| Arsenic | MR | 1 | 1989 |
| Barium | MR | 1 | 1989 |
| Mercury | MR | 1 | 1989 |
| Nitrate | MR | 1 | 1989 |
| Selenium | MR | 1 | 1989 |
| Endrin | MR | 1 | 1985 |
| BHC-GAMMA | MR | 1 | 1985 |
| Toxaphene | MR | 1 | 1985 |
| Fluoride | MR | 1 | 1989 |
| Revised Total Coliform Rule | MON | 1 | 2025 |
| Chromium | MR | 1 | 1989 |
| Long Term 2 Enhanced Surface Water Treatment Rule | MR | 1 | 2008 |
| Methoxychlor | MR | 1 | 1985 |
| 2,4-D | MR | 1 | 1985 |
| 2,4,5-TP | MR | 1 | 1985 |
| Cadmium | MR | 1 | 1989 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.