EPA Air · violations by state and year
High-priority air violations in Alaska, 2025
- 47Violations
A high-priority violation is the most serious class of Clean Air Act non-compliance an agency records against a source; a federally reportable violation is the next step down in severity. Every violation below was recorded against a source in Alaska during 2025; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Alaska, 2025
- Kenai Peninsula County 15
- Valdez-Cordova (CA) County 8
- Fairbanks North Star County 8
- Aleutians West (CA) County 7
- North Slope County 5
Alaska, other years
High-priority air violations recorded in Alaska, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-12-22 | PETRO STAR, INC. / PETRO STAR VALDEZ REFINERY — high-priority violation on file | VALDEZ, Valdez-Cordova (CA), AK | Earliest FRV determination | State |
| 2025-12-16 | TESORO ALASKA COMPANY, LLC / KENAI REFINERY — high-priority violation on file | KENAI, Kenai Peninsula, AK | Earliest FRV determination | State |
| 2025-12-15 | CITY OF UNALASKA / DUTCH HARBOR POWER PLANT (DHPP) — high-priority violation on file | DUTCH HARBOR, Aleutians West (CA), AK | Earliest FRV determination | State |
| 2025-12-15 | CITY OF UNALASKA / DUTCH HARBOR POWER PLANT (DHPP) — high-priority violation on file | DUTCH HARBOR, Aleutians West (CA), AK | Earliest FRV determination | State |
| 2025-11-24 | UNISEA, INC. / DUTCH HARBOR SEAFOOD PROCESSING PLANT — high-priority violation on file | DUTCH HARBOR, Aleutians West (CA), AK | Earliest FRV determination | State |
| 2025-11-24 | PETER PAN SEAFOOD COMPANY, LLC / KING COVE FACILITY — high-priority violation on file | AKUTAN, Aleutians East, AK | Earliest FRV determination | State |
| 2025-11-19 | WESTWARD SEAFOODS, INC. / DUTCH HARBOR SEAFOOD PROCESSING FACILIT — high-priority violation on file | DUTCH HARBOR, Aleutians West (CA), AK | Earliest FRV determination | State |
| 2025-11-13 | PETRO STAR, INC. / PETRO STAR VALDEZ REFINERY — high-priority violation on file | VALDEZ, Valdez-Cordova (CA), AK | Earliest FRV determination | State |
| 2025-11-13 | TESORO ALASKA COMPANY, LLC / KENAI REFINERY — high-priority violation on file | KENAI, Kenai Peninsula, AK | Earliest FRV determination | State |
| 2025-11-06 | UNISEA, INC. / DUTCH HARBOR SEAFOOD PROCESSING PLANT — high-priority violation on file | DUTCH HARBOR, Aleutians West (CA), AK | Earliest FRV determination | State |
| 2025-10-15 | TESORO ALASKA COMPANY, LLC / KENAI REFINERY — high-priority violation on file | KENAI, Kenai Peninsula, AK | Earliest FRV determination | State |
| 2025-09-30 | HILCORP ALASKA, LLC / CRUDE OIL TOPPING UNIT (COTU) | NORTH SLOPE BOROUGH, North Slope, AK | Earliest FRV determination | State |
| 2025-09-29 | US AIR FORCE (EIELSON) / EIELSON AIR FORCE BASE — high-priority violation on file | FAIRBANKS, Fairbanks North Star, AK | Earliest FRV determination | State |
| 2025-09-25 | CORDOVA ELECTRIC COOPERATIVE / ORCA POWER PLANT — high-priority violation on file | VALDEZ, Valdez-Cordova (CA), AK | Earliest FRV determination | State |
| 2025-09-24 | COPPER VALLEY ELECTRIC ASSOCIATION / GLENNALLEN DIESEL PLANT | VALDEZ, Valdez-Cordova (CA), AK | Earliest FRV determination | State |
| 2025-09-21 | HILCORP ALASKA, LLC / NIKAITCHUQ DEVELOPMENT | NORTH SLOPE BOROUGH, North Slope, AK | Earliest FRV determination | State |
| 2025-09-18 | HILCORP ALASKA, LLC / GATHERING CENTER #1 (GC 1) | NORTH SLOPE BOROUGH, North Slope, AK | Earliest FRV determination | State |
| 2025-09-16 | PETRO STAR, INC. / PETRO STAR VALDEZ REFINERY — high-priority violation on file | VALDEZ, Valdez-Cordova (CA), AK | Earliest FRV determination | State |
| 2025-09-12 | CITY OF UNALASKA / DUTCH HARBOR POWER PLANT (DHPP) — high-priority violation on file | DUTCH HARBOR, Aleutians West (CA), AK | Earliest FRV determination | State |
| 2025-09-04 | HILCORP ALASKA, LLC / MONOPOD PLATFORM | KENAI, Kenai Peninsula, AK | Earliest FRV determination | State |
| 2025-09-03 | HILCORP ALASKA, LLC / GRANITE POINT PLATFORM | KENAI, Kenai Peninsula, AK | Earliest FRV determination | State |
| 2025-07-25 | US ARMY (FORT WAINWRIGHT) / FORT WAINWRIGHT | FAIRBANKS, Fairbanks North Star, AK | Earliest FRV determination | State |
| 2025-07-17 | PETRO STAR, INC. / PETRO STAR VALDEZ REFINERY — high-priority violation on file | VALDEZ, Valdez-Cordova (CA), AK | Earliest FRV determination | State |
| 2025-07-17 | PETRO STAR, INC. / PETRO STAR VALDEZ REFINERY — high-priority violation on file | VALDEZ, Valdez-Cordova (CA), AK | Earliest FRV determination | State |
| 2025-07-08 | TESORO ALASKA COMPANY, LLC / KENAI REFINERY — high-priority violation on file | KENAI, Kenai Peninsula, AK | Earliest FRV determination | State |
| 2025-07-01 | TESORO ALASKA COMPANY, LLC / KENAI REFINERY — high-priority violation on file | KENAI, Kenai Peninsula, AK | Earliest FRV determination | State |
| 2025-06-30 | KENAI LNG LLC / KENAI LIQUEFIED NATURAL GAS (LNG) PLANT | KENAI, Kenai Peninsula, AK | Earliest FRV determination | State |
| 2025-06-17 | NORTH SLOPE BOROUGH / WAINWRIGHT POWER PLANT | NORTH SLOPE BOROUGH, North Slope, AK | Earliest FRV determination | State |
| 2025-05-29 | US AIR FORCE (EIELSON) / EIELSON AIR FORCE BASE — high-priority violation on file | FAIRBANKS, Fairbanks North Star, AK | Earliest FRV determination | State |
| 2025-05-23 | ALASKA ELECTRIC AND ENERGY COOPERATIVE / NIKISKI COMBINED CYCLE PLANT | KENAI, Kenai Peninsula, AK | Earliest FRV determination | State |
| 2025-05-13 | GOLDEN VALLEY ELECTRIC ASSOCIATION / HEALY POWER PLANT — high-priority violation on file | HEALY, Denali, AK | Earliest FRV determination | State |
| 2025-05-03 | DOYON UTILITIES, LLC / FORT WAINWRIGHT (PRIVATIZED EMISSION UN | FAIRBANKS, Fairbanks North Star, AK | Earliest FRV determination | State |
| 2025-04-24 | ALASKA ELECTRIC LIGHT & POWER / INDUSTRIAL POWER PLANT (JUNEAU) | JUNEAU, Juneau City and Borough, AK | Earliest FRV determination | State |
| 2025-04-15 | US AIR FORCE (EIELSON) / EIELSON AIR FORCE BASE — high-priority violation on file | FAIRBANKS, Fairbanks North Star, AK | Earliest FRV determination | State |
| 2025-04-07 | US AIR FORCE (EIELSON) / EIELSON AIR FORCE BASE — high-priority violation on file | FAIRBANKS, Fairbanks North Star, AK | Earliest FRV determination | State |
| 2025-04-04 | HILCORP ALASKA, LLC / STEELHEAD PLATFORM | KENAI, Kenai Peninsula, AK | Earliest FRV determination | State |
| 2025-04-04 | HILCORP ALASKA, LLC / BRUCE PLATFORM | KENAI, Kenai Peninsula, AK | Earliest FRV determination | State |
| 2025-04-02 | TESORO ALASKA COMPANY, LLC / KENAI REFINERY — high-priority violation on file | KENAI, Kenai Peninsula, AK | Earliest FRV determination | State |
| 2025-04-01 | TESORO ALASKA COMPANY, LLC / KENAI REFINERY — high-priority violation on file | KENAI, Kenai Peninsula, AK | Earliest FRV determination | State |
| 2025-03-27 | PETRO STAR, INC. / PETRO STAR VALDEZ REFINERY — high-priority violation on file | VALDEZ, Valdez-Cordova (CA), AK | Earliest FRV determination | State |
| 2025-03-26 | TESORO ALASKA COMPANY, LLC / KENAI REFINERY — high-priority violation on file | KENAI, Kenai Peninsula, AK | Earliest FRV determination | State |
| 2025-03-20 | KOTZEBUE ELECTRIC ASSOCIATION / KOTZEBUE POWER PLANT | KOTZEBUE, Northwest Arctic, AK | Earliest FRV determination | State |
| 2025-03-10 | HILCORP ALASKA, LLC / MILNE POINT PRODUCTION FACILITY (MPU) | NORTH SLOPE BOROUGH, North Slope, AK | Earliest FRV determination | State |
| 2025-02-24 | TESORO ALASKA COMPANY, LLC / KENAI REFINERY — high-priority violation on file | KENAI, Kenai Peninsula, AK | Earliest FRV determination | State |
| 2025-02-21 | US AIR FORCE (EIELSON) / EIELSON AIR FORCE BASE — high-priority violation on file | FAIRBANKS, Fairbanks North Star, AK | Earliest FRV determination | State |
| 2025-02-10 | CITY OF UNALASKA / DUTCH HARBOR POWER PLANT (DHPP) — high-priority violation on file | DUTCH HARBOR, Aleutians West (CA), AK | Earliest FRV determination | State |
| 2025-02-04 | UNIVERSITY OF ALASKA / UNIVERSITY OF ALASKA FAIRBANKS CAMPUS — high-priority violation on file | FAIRBANKS, Fairbanks North Star, AK | HPV day-zero determination | State |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.