PFAS in Alaska drinking water
EPA's final UCMR 5 data covers 30 public water systems in Alaska, serving about 573,160 people. PFAS turned up in 9 of them (30%). 2 averaged above at least one EPA limit at a sampling point, affecting about 226,251 people.
Highest PFOA and PFOS averages among systems serving 1,000 or more: Barrow Utilities & Elec. Coop., INC. (bu (0.0 / 44.0 ppt) and Moa Municipality of Anchorage (4.5 / 0.0 ppt).
Every tested system in Alaska
Largest first. PFOA and PFOS columns show the average at each system's worst sampling point; EPA's limit for each is 4 ppt. Filter by name:
| Water system | People | PFOA | PFOS | PFAS found | Result |
|---|---|---|---|---|---|
| Moa Municipality of Anchorage · Anchorage | 221,351 | 4.5 | - | 2 | Above limit |
| Golden Heart Utilities · Fairbanks | 78,324 | 2.7 | - | 4 | Sample at limit |
| City and Borough of Juneau · Juneau | 38,526 | - | - | 0 | None found |
| Jber-elmendorf · Jber | 30,003 | - | - | 0 | None found |
| College Utilities Corporation · Fairbanks | 27,000 | 3.2 | - | 4 | Sample at limit |
| Doyon Utilities Jber - Richardson · Fairbanks | 20,284 | - | - | 0 | None found |
| Ft Wainwright - Main Post · Fairbanks | 20,076 | - | - | 1 | Below limits |
| Wasilla Water System · Wasilla | 18,492 | - | - | 1 | Below limits |
| Eielson - Air Force Base · Eielson Afb | 11,870 | - | - | 1 | Below limits |
| Kodiak Water System · Kodiak | 9,547 | - | - | 0 | None found |
| Sitka · Sitka | 9,448 | - | - | 0 | None found |
| Skagway · Skagway | 9,411 | - | - | 0 | None found |
| Unalaska Water System · Unalaska | 9,400 | - | - | 0 | None found |
| Ketchikan Public Utilities · Ketchikan | 8,937 | - | - | 0 | None found |
| Palmer Water System · Palmer | 8,111 | - | - | 0 | None found |
| Homer Water System · Homer | 7,008 | - | - | 0 | None found |
| University of Alaska - Fairbanks · Fairbanks | 6,200 | - | - | 2 | Below limits |
| Kenai Water System · Kenai | 5,700 | - | - | 0 | None found |
| Barrow Utilities & Elec. Coop., INC. (bu · Barrow | 4,900 | - | 44.0 | 6 | Above limit |
| Soldotna · Soldotna | 4,807 | - | - | 0 | None found |
| Valdez Water System - Main · Valdez | 4,500 | - | - | 0 | None found |
| Denali - Main / Front Country · Denali Park | 4,122 | - | - | 0 | None found |
| North Pole Utilities · North Pole | 4,005 | - | - | 0 | None found |
| Nome Joint Utility System · Nome | 3,920 | - | - | 0 | None found |
| Seward · Seward | 3,324 | - | - | 0 | None found |
| Cordova City Water · Cordova | 2,700 | - | - | 1 | Below limits |
| Valli Vue S/d Water System · Anchorage | 794 | - | - | 0 | None found |
| Eek Water System · Eek | 280 | - | - | 0 | None found |
| Alyeska Creekside Apartments · Girdwood | 60 | - | - | 0 | None found |
| Ft. Greely / Du / Allen Army Airfield · Fairbanks | 60 | - | - | 0 | None found |
On a private well in Alaska?
EPA's program only covers public systems. Private wells are never part of UCMR 5, so the only way to know is to test. Our well testing guide covers which lab tests to order, and the best well water systems covers what to install once you have results.
Cite this page
Well & Tap. "PFAS in Alaska drinking water: results for 30 systems." Data: U.S. EPA UCMR 5, final release August 2026. https://wellandtap.com/pfas/alaska/
Source: EPA UCMR 5 final occurrence data (August 2026); population from EPA SDWIS. Method.