County · Alaska
Northwest Arctic Borough, Alaska: drinking water records
This overview covers 11 ZIP codes and 11 community water systems in Northwest Arctic Borough. It also stands in for 0 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| Kotzebue Mun. Water System AK2340060 | 3,234 | 0 | 0 | 67 | 7.5 ppb |
| Selawik Safewater Facility AK2340379 | 846 | 0 | 0 | 37 | 1.7 ppb |
| Noorvik Water System AK2340109 | 735 | 0 | 0 | 4 | 2.1 ppb |
| Buckland Water System AK2340125 | 600 | 0 | 0 | 31 | 2.2 ppb |
| Kiana Water System AK2340230 | 455 | 0 | 0 | 3 | 0.5 ppb |
| Kivalina Water System AK2340117 | 452 | 0 | 0 | 52 | 0 ppb |
| Shungnak Water System AK2340361 | 299 | 0 | 0 | 3 | 2.5 ppb |
| Ambler Community Water System AK2300214 | 261 | 0 | 0 | 3 | 1.1 ppb |
| Deering Utility System AK2340222 | 160 | 0 | 0 | 39 | 5.4 ppb |
| Kobuk Water System AK2340565 | 93 | 0 | 0 | 28 | 2.7 ppb |
| Noatak Community Water System AK2340159 | 485 | 0 | 0 | 0 | 0.3 ppb |
ZIP reports in Northwest Arctic Borough
No ZIP report in this county is published yet.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.