Results from entry points (water leaving treatment, not household taps) of public water systems sampled under EPA's Fifth Unregulated Contaminant Monitoring Rule. Click a county to see every water system serving it, or turn on service areas and click a location to see the systems that serve that spot.
30 of the 637 public water systems listed for Alaska were sampled. Sorted by the highest single result relative to EPA's 2024 limits. Each name links to a page with all of that system's results. All 637 Alaska systems, including those not tested · Download all Alaska results (CSV, gzip)
| System | PWSID | City | Population | PFOA (ppt) | PFOS (ppt) | HI | Highest single result |
|---|---|---|---|---|---|---|---|
| Barrow Utilities & Elec. Coop., Inc. (Bu | AK2320078 | Barrow | 4,900 | <MRL | 46.3 | 1.85 | PFOS ≥ 3 × its limit |
| Moa Municipality Of Anchorage | AK2210906 | Anchorage | 221,351 | 9.1 | <MRL | 1.12 | PFOA 1–3 × its limit |
| College Utilities Corporation | AK2310900 | Fairbanks | 27,000 | 6.4 | <MRL | 1.05 | PFOA 1–3 × its limit |
| Golden Heart Utilities | AK2310730 | Fairbanks | 78,324 | 5.4 | <MRL | 0.88 | PFOA 1–3 × its limit |
| University Of Alaska - Fairbanks | AK2310683 | Fairbanks | 6,200 | <MRL | <MRL | 0.57 | Hazard Index below its limit |
| Ft Wainwright - Main Post | AK2310918 | Fairbanks | 20,076 | <MRL | <MRL | 0.43 | Hazard Index below its limit |
| Wasilla Water System | AK2224646 | Wasilla | 18,492 | <MRL | <MRL | 0.42 | Hazard Index below its limit |
| Cordova City Water | AK2293205 | Cordova | 2,700 | <MRL | <MRL | 0 | Other PFAS detected |
| Eielson - Air Force Base | AK2370625 | Eielson Afb | 11,870 | <MRL | <MRL | 0 | Other PFAS detected |
| Alyeska Creekside Apartments | AK2218653 | Girdwood | 60 | <MRL | <MRL | 0 | No PFAS detected |
| City And Borough Of Juneau | AK2110342 | Juneau | 38,526 | <MRL | <MRL | 0 | No PFAS detected |
| Denali - Main / Front Country | AK2390594 | Denali Park | 4,122 | <MRL | <MRL | 0 | No PFAS detected |
| Doyon Utilities Jber - Richardson | AK2212039 | Fairbanks | 20,284 | <MRL | <MRL | 0 | No PFAS detected |
| Eek Water System | AK2270281 | Eek | 280 | <MRL | <MRL | 0 | No PFAS detected |
| Ft. Greely / Du / Allen Army Airfield | AK2370798 | Fairbanks | 60 | <MRL | <MRL | 0 | No PFAS detected |
| Homer Water System | AK2240456 | Homer | 7,008 | <MRL | <MRL | 0 | No PFAS detected |
| Jber-Elmendorf | AK2211423 | Jber | 30,003 | <MRL | <MRL | 0 | No PFAS detected |
| Kenai Water System | AK2240448 | Kenai | 5,700 | <MRL | <MRL | 0 | No PFAS detected |
| Ketchikan Public Utilities | AK2120232 | Ketchikan | 8,937 | <MRL | <MRL | 0 | No PFAS detected |
| Kodiak Water System | AK2250011 | Kodiak | 9,547 | <MRL | <MRL | 0 | No PFAS detected |
| Nome Joint Utility System | AK2340010 | Nome | 3,920 | <MRL | <MRL | 0 | No PFAS detected |
| North Pole Utilities | AK2310675 | North Pole | 4,005 | <MRL | <MRL | 0 | No PFAS detected |
| Palmer Water System | AK2226020 | Palmer | 8,111 | <MRL | <MRL | 0 | No PFAS detected |
| Seward | AK2240757 | Seward | 3,324 | <MRL | <MRL | 0 | No PFAS detected |
| Sitka | AK2130075 | Sitka | 9,448 | <MRL | <MRL | 0 | No PFAS detected |
| Skagway | AK2110601 | Skagway | 9,411 | <MRL | <MRL | 0 | No PFAS detected |
| Soldotna | AK2241054 | Soldotna | 4,807 | <MRL | <MRL | 0 | No PFAS detected |
| Unalaska Water System | AK2260309 | Unalaska | 9,400 | <MRL | <MRL | 0 | No PFAS detected |
| Valdez Water System - Main | AK2298103 | Valdez | 4,500 | <MRL | <MRL | 0 | No PFAS detected |
| Valli Vue S/D Water System | AK2210605 | Anchorage | 794 | <MRL | <MRL | 0 | No PFAS detected |
Highest single result for each system; PFOA and PFOS in ppt (ng/L). Entry-point samples, not tap water; screening comparisons, not compliance determinations.