We found 21 public water systems that could serve the same population as Nwarctic Sd-kobuk School (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Kotzebue Mun. Water System | Kotzebue | 3,290 | 0 | 187 |
| Selawik Safewater Facility | Selawik | 846 | 0 | 658 |
| Noorvik Water System | Noorvik | 600 | 0 | 336 |
| Noatak Community Water System | Noatak | 485 | 0 | 566 |
| Buckland Water System | Buckland | 461 | 0 | 540 |
| Kiana Water System | Kiana | 455 | 0 | 275 |
| Kivalina Water System | Kivalina | 452 | 0 | 467 |
| Teck Alaska Red Dog Mine Pac | Kotzebue | 350 | 34 | 45 |
| Shungnak Water System | Shungnak | 282 | 0 | 673 |
| Ambler Community Water System | Ambler | 261 | 0 | 290 |
| Deering Utility System | Deering | 150 | 0 | 546 |
| Teck Red Dog Port Facility | Kotzebue | 126 | 0 | 55 |
| Nw Arctic Sd- Noorvik School | County of Northwest Arctic Borough | 100 | 0 | 0 |
| Kobuk Water System | Kobuk | 93 | 0 | 0 |
| Teck Alaska Red Dog Conpac | Kotzebue | 85 | 0 | 0 |
| Northwest Arctic School Dist. | County of Northwest Arctic Borough | 73 | 0 | 0 |
| Cominco / Enserch Port Camp | County of Northwest Arctic Borough | 70 | 0 | 0 |
| Interior Trading Company | County of Northwest Arctic Borough | 25 | 0 | 0 |
| Alaska Airlines Nome | Counties of Nome Census Area, Northwest Arctic Borough | 24 | 0 | 0 |
| Mt. Aurora Fbks. Crk. Camp | County of Northwest Arctic Borough | 23 | 0 | 0 |
| Bornite Camp | County of Northwest Arctic Borough | 10 | 0 | 0 |