Water quality for ZIP code 99751
ZIP 99751 covers Kobuk in Northwest Arctic Borough, Alaska, one of 11 ZIP codes in the county. 16 active public water systems serve the county; 14 had an EPA violation in the past three years.
Most likely your provider
Other community water systems in Northwest Arctic Borough
10 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| Shungnak Water System Shungnak |
299 | 8 | 8.2 mi | |
| Ambler Community Water System Ambler |
261 | 6 | 29.1 mi | |
| Selawik Safewater Facility Selawik |
846 | 9 | 87.9 mi | |
| Kiana Water System Kiana |
455 | 7 | 96.2 mi | |
| Noorvik Water System Noorvik |
735 | 6 | 113.5 mi | |
| Buckland Water System Buckland |
600 | 11 | 134.6 mi | |
| Kotzebue Mun. Water System Kotzebue |
3,234 | 2 | 154.6 mi | |
| Noatak Community Water System Noatak |
485 | 6 | 169.2 mi | |
| Deering Utility System Deering |
160 | 7 | 172.2 mi | |
| Kivalina Water System Kivalina |
452 | 7 | 211.8 mi |
Non-community systems in Northwest Arctic Borough (5: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Bornite Camp Kobuk |
80 | 1 | 1 | |
|
Teck Alaska Red Dog Mine Pac Kotzebue |
517 | 0 | 0 | |
|
Teck Alaska Red Dog Conpac Kotzebue |
291 | 1 | 0 | |
|
Teck Red Dog Port Facility Kotzebue |
162 | 0 | 0 | |
|
Kivalina K-12 School Kivalina |
217 | 5 | 0 |
About this data
Water systems are matched to Northwest Arctic Borough, the county this ZIP code lies in, nearest to the ZIP code's centre first. Your exact provider depends on your address and connection; the largest community water system in a county is usually the city or town utility. Distances are measured to the centre of the service area EPA publishes for the system or, for systems without one, to the centre of the first town EPA lists the system as serving, from Census Bureau place files.
ZIP code areas and town boundaries come from the U.S. Census Bureau's 2020 ZCTA files.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Alaska records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.