EPA Air · inspections by state and year
Air-emissions inspections in Alaska, 2025
- 875Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Every inspection 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
- North Slope County 225
- Kenai Peninsula County 113
- Undetermined County 112
- Anchorage Municipality County 56
- Fairbanks North Star County 55
- Southeast Fairbanks (CA) County 36
- Yukon-Koyukuk (CA) County 30
- Valdez-Cordova (CA) County 28
- Bethel (CA) County 27
- Aleutians West (CA) County 27
- Nome (CA) County 21
- Northwest Arctic County 21
- Kodiak Island County 17
- Dillingham (CA) County 17
- Juneau City and Borough County 17
- Aleutians East County 14
- Matanuska-Susitna County 12
- Denali County 10
- Ketchikan Gateway County 10
- Sitka City and Borough County 8
- Bristol Bay County 7
- Lake and Peninsula County 6
- Haines County 4
Alaska, other years
Air-emissions inspections recorded in Alaska, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-12-31 | TECK ALASKA, INC. (TECK) / RED DOG MINE — high-priority violation on file | KOTZEBUE, Northwest Arctic, AK | FCE On-Site | State |
| 2025-12-23 | MIDDLE KUSKOKWIM ELECTRIC COOPERATIVE, / RED DEVIL POWER PLANT | BETHEL, Bethel (CA), AK | FCE Off-Site | State |
| 2025-12-23 | US AIR FORCE (EIELSON) / EIELSON AIR FORCE BASE — high-priority violation on file | FAIRBANKS, Fairbanks North Star, AK | FCE On-Site | State |
| 2025-12-23 | KNIK CONSTRUCTION CO., INC. / CRUSHER PLANT (VALDEZ) | ALASKA, Undetermined, AK | PCE Off-Site | State |
| 2025-12-23 | KNIK CONSTRUCTION CO., INC. / CRUSHER PLANT (VALDEZ) | ALASKA, Undetermined, AK | PCE Off-Site | State |
| 2025-12-23 | NORTHERN STAR (POGO) LLC / POGO MINE | DELTA JUNCTION, Southeast Fairbanks (CA), AK | FCE Off-Site | State |
| 2025-12-23 | GREAT NORTHWEST, INC. / ASTEC PDM-735 ASPHALT PLANT | ALASKA, Undetermined, AK | PCE Off-Site | State |
| 2025-12-23 | KNIK CONSTRUCTION CO., INC. / KNIK ASTEC MOBILE ASPHALT PLANT III | ALASKA, Undetermined, AK | PCE Off-Site | State |
| 2025-12-22 | KNIK CONSTRUCTION CO., INC. / KNIK ASTEC MOBILE ASPHALT PLANT III | ALASKA, Undetermined, AK | PCE Off-Site | State |
| 2025-12-22 | BRECHAN CONSTRUCTION / CRUSHER, BELLS FLATS | ALASKA, Undetermined, AK | PCE Off-Site | State |
| 2025-12-20 | DOYON UTILITIES, LLC / FORT WAINWRIGHT (PRIVATIZED EMISSION UN | FAIRBANKS, Fairbanks North Star, AK | FCE On-Site | State |
| 2025-12-19 | HILCORP ALASKA, LLC / GATHERING CENTER #3 (GC 3) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-12-19 | BRECHAN CONSTRUCTION / JCI CRUSHER | ALASKA, Undetermined, AK | PCE Off-Site | State |
| 2025-12-18 | COLASKA INC, DBA SECON / ASTEC 200 SUPER SIX DRUM MIX ASPHALT PL | ALASKA, Undetermined, AK | PCE Off-Site | State |
| 2025-12-18 | HILCORP ALASKA, LLC / GATHERING CENTER #1 (GC 1) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-12-18 | MCKENNA BROTHERS PAVING INC. / PIONEER DRUM MIX ASPHALT PLANT | VALDEZ, Valdez-Cordova (CA), AK | PCE Off-Site | State |
| 2025-12-16 | GRANITE CONSTRUCTION COMPANY / CPP STAN STEEL HOT ASPHALT PLANT | ANCHORAGE, Anchorage Municipality, AK | PCE Off-Site | State |
| 2025-12-16 | HILCORP ALASKA, LLC / KENAI GAS FIELD PAD 41-18 | KENAI, Kenai Peninsula, AK | FCE Off-Site | State |
| 2025-12-16 | GRANITE CONSTRUCTION COMPANY / PIONEER BATCH ASPHALT PLANT | WASILLA, Matanuska-Susitna, AK | PCE Off-Site | State |
| 2025-12-16 | COLASKA INC, DBA QAP / SHEARER ASPHALT PLANT | ALASKA, Undetermined, AK | PCE Off-Site | State |
| 2025-12-15 | HILCORP ALASKA, LLC / FLOW STATION #1 (FS 1) — high-priority violation on file | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-12-15 | CONOCOPHILLIPS ALASKA, INC. / ALPINE CENTRAL PROCESSING FACILITY | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-12-15 | MCKENNA BROTHERS PAVING INC. / AEDCO DRUM MIX ASPHALT PLANT | ALASKA, Undetermined, AK | PCE Off-Site | State |
| 2025-12-13 | HILCORP ALASKA, LLC / CRUDE OIL TOPPING UNIT (COTU) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-12-12 | COLASKA INC, DBA QAP / CMI SVM-2500 ASPHALT PLANT | ANCHORAGE, Anchorage Municipality, AK | PCE Off-Site | State |
| 2025-12-12 | CHUGACH ELECTRIC ASSOCIATION / BELUGA RIVER POWER PLANT | KENAI, Kenai Peninsula, AK | FCE Off-Site | State |
| 2025-12-12 | ALASKA ELECTRIC AND ENERGY COOPERATIVE / BERNICE LAKE COMBUSTION TURBINE (BCT) P | KENAI, Kenai Peninsula, AK | FCE Off-Site | State |
| 2025-12-12 | UNITED STATES SPACE FORCE (USSF) / CLEAR SPACE FORCE STATION (CLEAR SFS) | HEALY, Denali, AK | FCE On-Site | State |
| 2025-12-11 | HILCORP ALASKA, LLC / GATHERING CENTER #2 (GC 2) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-12-11 | CONOCOPHILLIPS ALASKA, INC. / CPF 1, KUPARUK CENTRAL PRODUCTION FACIL | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-12-08 | MCKENNA BROTHERS PAVING INC. / ADM DRUM MIX ASPHALT PLANT | ALASKA, Undetermined, AK | PCE Off-Site | State |
| 2025-12-08 | MCKENNA BROTHERS PAVING INC. / ADM DRUM MIX ASPHALT PLANT | ALASKA, Undetermined, AK | PCE Off-Site | State |
| 2025-12-05 | BRISTOL ALLIANCE FUELS LLC / BAF NAKNEK TERMINAL | KING SALMON, Bristol Bay, AK | FCE Off-Site | State |
| 2025-12-05 | CONOCOPHILLIPS ALASKA, INC. / CPF 2, KUPARUK CENTRAL PRODUCTION FACIL | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-12-05 | HILCORP ALASKA, LLC / SEAWATER INJECTION PLANT EAST (SIPE) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-12-05 | HILCORP ALASKA, LLC / PRUDHOE SEAWATER TREATMENT PLANT | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-12-05 | HILCORP ALASKA, LLC / PBU CENTRAL POWER STATION (CPS) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-12-04 | HILCORP ALASKA, LLC / PRUDHOE BAY OPERATIONS CENTER / MAIN CO | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-12-03 | AAA VALLEY GRAVEL, LLC / ASPHALT PLANT, AEDCO, PALMER | WASILLA, Matanuska-Susitna, AK | PCE Off-Site | State |
| 2025-12-03 | BRECHAN CONSTRUCTION / ASTEC SIX PACK | ALASKA, Undetermined, AK | PCE Off-Site | State |
| 2025-12-02 | ALASKA POWER & TELEPHONE / GUSTAVUS GENERATING STATION | ALASKA, Undetermined, AK | PCE Off-Site | State |
| 2025-12-02 | USIBELLI COAL MINE, INC. / USIBELLI COAL PREPARATION PLANT | HEALY, Denali, AK | FCE On-Site | State |
| 2025-12-02 | HILCORP ALASKA, LLC / TRANSPORTABLE DRILLING RIGS (DRILL RIGS | NORTH SLOPE BOROUGH, North Slope, AK | FCE Off-Site | State |
| 2025-12-02 | HILCORP ALASKA, LLC / Z-PAD | NORTH SLOPE BOROUGH, North Slope, AK | FCE Off-Site | State |
| 2025-11-28 | HC CONTRACTORS, LLC / CMI PVM-9X ASPHALT PLANT | DELTA JUNCTION, Southeast Fairbanks (CA), AK | PCE Off-Site | State |
| 2025-11-26 | HARVEST ALASKA LNG, LLC / LIQUEFIED NATURAL GAS (LNG) FACILITY PR | NORTH SLOPE BOROUGH, North Slope, AK | FCE Off-Site | State |
| 2025-11-25 | HILCORP ALASKA, LLC / LISBURNE PRODUCTION CENTER (LPC) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-11-25 | CONOCOPHILLIPS ALASKA, INC. / KUPARUK SEAWATER TREATMENT PLANT (STP) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-11-24 | KENAI LNG LLC / KENAI LIQUEFIED NATURAL GAS (LNG) PLANT | KENAI, Kenai Peninsula, AK | PCE Off-Site | State |
| 2025-11-24 | HILCORP ALASKA, LLC / MILNE POINT PRODUCTION FACILITY (MPU) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-11-24 | HILCORP ALASKA, LLC / MILNE POINT PRODUCTION FACILITY (MPU) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-11-24 | COLASKA INC, DBA QAP / HP#9 CMI 500 | FAIRBANKS, Fairbanks North Star, AK | PCE Off-Site | State |
| 2025-11-21 | PETER PAN SEAFOOD COMPANY, LLC / KING COVE FACILITY — high-priority violation on file | AKUTAN, Aleutians East, AK | FCE Off-Site | State |
| 2025-11-20 | CITY OF UNALASKA / DUTCH HARBOR POWER PLANT (DHPP) — high-priority violation on file | DUTCH HARBOR, Aleutians West (CA), AK | FCE Off-Site | State |
| 2025-11-19 | COLASKA, INC. DBA UNIVERSITY REDI-MIX / AEDCO 48 INCH DRUM PLANT | ANCHORAGE, Anchorage Municipality, AK | PCE Off-Site | State |
| 2025-11-19 | METCO ALASKA, LLC / SEWARD CRUSHER | ALASKA, Undetermined, AK | PCE Off-Site | State |
| 2025-11-17 | WESTWARD SEAFOODS, INC. / DUTCH HARBOR SEAFOOD PROCESSING FACILIT — high-priority violation on file | DUTCH HARBOR, Aleutians West (CA), AK | FCE On-Site | State |
| 2025-11-17 | CONOCOPHILLIPS ALASKA, INC. / CPF 3, KUPARUK CENTRAL PRODUCTION FACIL | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-11-17 | KNIK CONSTRUCTION CO., INC. / ASTEC MOBILE ASPHALT PLANT #1 | ALASKA, Undetermined, AK | PCE Off-Site | State |
| 2025-11-17 | KNIK CONSTRUCTION CO., INC. / ASTEC MOBILE ASPHALT PLANT #1 | ALASKA, Undetermined, AK | PCE Off-Site | State |
| 2025-11-13 | KNIK CONSTRUCTION CO., INC. / ARB CRUSHER | ALASKA, Undetermined, AK | PCE Off-Site | State |
| 2025-11-07 | PRUHS CORPORATION QUALITY SAND & GRAVE / PALMER CRUSHER | ANCHORAGE, Anchorage Municipality, AK | PCE Off-Site | State |
| 2025-11-07 | HILCORP ALASKA, LLC / CENTRAL COMPRESSOR PLANT (CCP) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-11-07 | HILCORP ALASKA, LLC / CENTRAL COMPRESSOR PLANT (CCP) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-11-07 | HILCORP ALASKA, LLC / CENTRAL COMPRESSOR PLANT (CCP) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-11-07 | HILCORP ALASKA, LLC / FLOW STATION #3 (FS 3) — high-priority violation on file | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-11-07 | HILCORP ALASKA, LLC / FLOW STATION #3 (FS 3) — high-priority violation on file | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-11-06 | CONOCOPHILLIPS ALASKA, INC. / GREATER MOOSES TOOTH UNIT | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-11-06 | PENINSULA PAVING LLC / AESCO MADSEN HOT MIX PLANT | ALASKA, Undetermined, AK | PCE Off-Site | State |
| 2025-11-05 | UNISEA, INC. / DUTCH HARBOR SEAFOOD PROCESSING PLANT — high-priority violation on file | DUTCH HARBOR, Aleutians West (CA), AK | FCE Off-Site | State |
| 2025-11-05 | HILCORP ALASKA, LLC / FLOW STATION #2 (FS 2) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-11-04 | HILCORP ALASKA, LLC / CENTRAL GAS FACILITY (CGF) — high-priority violation on file | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-11-02 | FAIRBANKS GOLD MINING INC / FORT KNOX MINE | FAIRBANKS, Fairbanks North Star, AK | PCE Off-Site | State |
| 2025-10-31 | CONOCOPHILLIPS ALASKA, INC. / KUPARUK RIVER UNIT TRANSPORTABLE DRILLI | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-10-31 | COLASKA INC, DBA SECON / POLAR ASPHALT PLANT MODEL PBA-2420T-1 | ALASKA, Undetermined, AK | PCE Off-Site | State |
| 2025-10-31 | ASRC CONSTRUCTION HOLDING COMPANY, LLC / ASRC MOBILE CRUSHER | ANCHORAGE, Anchorage Municipality, AK | FCE Off-Site | State |
| 2025-10-30 | CONOCOPHILLIPS ALASKA, INC. / ALPINE CENTRAL PROCESSING FACILITY | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-10-30 | HILCORP ALASKA, LLC / NIKAITCHUQ DEVELOPMENT | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-10-29 | GOLDEN VALLEY ELECTRIC ASSOCIATION / HEALY POWER PLANT — high-priority violation on file | HEALY, Denali, AK | PCE Off-Site | State |
| 2025-10-28 | BRISTOL ALLIANCE FUELS LLC / BAF DILLINGHAM | DILLINGHAM, Dillingham (CA), AK | FCE Off-Site | State |
| 2025-10-28 | NORTH SLOPE BOROUGH / NUIQSUT POWER PLANT — high-priority violation on file | NORTH SLOPE BOROUGH, North Slope, AK | FCE Off-Site | State |
| 2025-10-27 | ALASKA PIPELINE COMPANY (ENSTAR NATURA / GUDENRATH COMPRESSOR STATION | KENAI, Kenai Peninsula, AK | FCE Off-Site | State |
| 2025-10-27 | UNALAKLEET VALLEY ELECTRIC CO-OP / UNALAKLEET POWER PLANT | NOME, Nome (CA), AK | FCE Off-Site | State |
| 2025-10-25 | OIL SEARCH ALASKA, LLC, A SUBSIDIARY O / NANUSHUK PROCESSING FACILITY (NPF) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-10-24 | WESTWARD SEAFOODS, INC. / UNALASKA SEAFOOD PROCESSING FACILITY | DUTCH HARBOR, Aleutians West (CA), AK | FCE On-Site | State |
| 2025-10-24 | FAIRBANKS GOLD MINING INC / FORT KNOX MINE | FAIRBANKS, Fairbanks North Star, AK | PCE Off-Site | State |
| 2025-10-24 | KETCHIKAN PUBLIC UTILITIES / BAILEY POWERHOUSE | KETCHIKAN, Ketchikan Gateway, AK | FCE On-Site | State |
| 2025-10-22 | GOLDEN VALLEY ELECTRIC ASSOCIATION / ZEHNDER FACILITY | FAIRBANKS, Fairbanks North Star, AK | PCE Off-Site | State |
| 2025-10-22 | GOLDEN VALLEY ELECTRIC ASSOCIATION / ZEHNDER FACILITY | FAIRBANKS, Fairbanks North Star, AK | PCE Off-Site | State |
| 2025-10-20 | KOTZEBUE ELECTRIC ASSOCIATION / KOTZEBUE POWER PLANT | KOTZEBUE, Northwest Arctic, AK | PCE Off-Site | State |
| 2025-10-20 | HILCORP ALASKA, LLC / NORTHSTAR PRODUCTION FACILITY (NOR) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-10-20 | CRUZ CONSTRUCTION, INC. / CRUZ KODIAK CRUSHER | BETHEL, Bethel (CA), AK | PCE Off-Site | State |
| 2025-10-17 | US ARMY (FORT GREELY) / FORT GREELY REAL ESTATE - GARRISON | DELTA JUNCTION, Southeast Fairbanks (CA), AK | PCE Off-Site | State |
| 2025-10-17 | US ARMY (FORT GREELY) / FORT GREELY REAL ESTATE - GARRISON | DELTA JUNCTION, Southeast Fairbanks (CA), AK | PCE Off-Site | State |
| 2025-10-16 | HILCORP ALASKA, LLC / PRUDHOE SEAWATER TREATMENT PLANT | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-10-16 | GOLDEN VALLEY ELECTRIC ASSOCIATION / DELTA POWER PLANT | DELTA JUNCTION, Southeast Fairbanks (CA), AK | PCE Off-Site | State |
| 2025-10-16 | TANANA POWER COMPANY, INC. / TANANA POWER PLANT | GALENA, Yukon-Koyukuk (CA), AK | FCE On-Site | State |
| 2025-10-15 | AURORA ENERGY LLC / CHENA POWER PLANT — high-priority violation on file | FAIRBANKS, Fairbanks North Star, AK | PCE Off-Site | State |
| 2025-10-15 | AURORA ENERGY LLC / CHENA POWER PLANT — high-priority violation on file | FAIRBANKS, Fairbanks North Star, AK | PCE Off-Site | State |
| 2025-10-15 | GOLDEN VALLEY ELECTRIC ASSOCIATION / NORTH POLE POWER PLANT | FAIRBANKS, Fairbanks North Star, AK | PCE Off-Site | State |
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Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.