EPA Air · inspections by state, industry and year
Oil and gas extraction (NAICS 2111): inspections in Alaska, 2025
- 262Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Each row is one inspection recorded during 2025 at a Alaska source whose primary industry code is NAICS 2111. A facility filing more than one industry code is counted under the first one on its record.
Oil and gas extraction (NAICS 2111) in Alaska, other years
Other industries in Alaska, 2025
- Utilities (NAICS 2211) 251
- Heavy and civil engineering construction (NAICS 2373) 87
- Merchant wholesalers, nondurable goods (NAICS 4247) 48
- National security and international affairs (NAICS 9281) 42
- Mining and quarrying (NAICS 2123) 38
- Food manufacturing (NAICS 3117) 30
- Mining and quarrying (NAICS 2122) 27
- Pipeline transportation (NAICS 4861) 14
- Petroleum and coal products manufacturing (NAICS 3241) 11
- Waste management and remediation (NAICS 5622) 11
- Educational services (NAICS 6113) 9
- Mining support (NAICS 2131) 9
- Support activities for transportation (NAICS 4883) 6
- Utilities (NAICS 2213) 4
- Hospitals (NAICS 6221) 3
- Waste management and remediation (NAICS 5629) 3
- Mining and quarrying (NAICS 2121) 3
- Warehousing and storage (NAICS 4931) 3
- Air transportation (NAICS 4812) 3
Air-emissions inspections recorded in Alaska, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-12-19 | HILCORP ALASKA, LLC / GATHERING CENTER #3 (GC 3) | NORTH SLOPE BOROUGH, North Slope, 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 |
| 2025-12-15 | 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 |
| 2025-12-13 | HILCORP ALASKA, LLC / CRUDE OIL TOPPING UNIT (COTU) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-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 |
| 2025-12-05 | 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 |
| 2025-12-02 | 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 |
| 2025-11-26 | 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 |
| 2025-11-17 | CONOCOPHILLIPS ALASKA, INC. / CPF 3, KUPARUK CENTRAL PRODUCTION FACIL | 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 / 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 |
| 2025-11-05 | 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 |
| 2025-10-31 | CONOCOPHILLIPS ALASKA, INC. / KUPARUK RIVER UNIT TRANSPORTABLE DRILLI | NORTH SLOPE BOROUGH, North Slope, AK | PCE 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 |
| 2025-10-27 | ALASKA PIPELINE COMPANY (ENSTAR NATURA / GUDENRATH COMPRESSOR STATION | KENAI, Kenai Peninsula, 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 |
| 2025-10-20 | HILCORP ALASKA, LLC / NORTHSTAR PRODUCTION FACILITY (NOR) | NORTH SLOPE BOROUGH, North Slope, 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 |
| 2025-10-15 | HILCORP ALASKA, LLC / CENTRAL COMPRESSOR PLANT (CCP) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-10-15 | HILCORP ALASKA, LLC / CENTRAL COMPRESSOR PLANT (CCP) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-10-14 | HILCORP ALASKA, LLC / CENTRAL COMPRESSOR PLANT (CCP) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-10-08 | CONOCOPHILLIPS ALASKA, INC. / CPF 1, KUPARUK CENTRAL PRODUCTION FACIL | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-10-08 | HILCORP ALASKA, LLC / GATHERING CENTER #3 (GC 3) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-10-07 | CONOCOPHILLIPS ALASKA, INC. / CPF 2, KUPARUK CENTRAL PRODUCTION FACIL | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-10-07 | HILCORP ALASKA, LLC / GATHERING CENTER #1 (GC 1) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-10-06 | CONOCOPHILLIPS ALASKA, INC. / CPF 3, KUPARUK CENTRAL PRODUCTION FACIL | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-10-03 | HILCORP ALASKA, LLC / LISBURNE PRODUCTION CENTER (LPC) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-10-02 | HILCORP ALASKA, LLC / TYONEK PLATFORM | KENAI, Kenai Peninsula, AK | PCE Off-Site | State |
| 2025-10-02 | HILCORP ALASKA, LLC / TYONEK PLATFORM | KENAI, Kenai Peninsula, AK | PCE Off-Site | State |
| 2025-10-02 | BLUECREST ALASKA OPERATING LLC / COSMOPOLITAN PROJECT | KENAI, Kenai Peninsula, AK | PCE Off-Site | State |
| 2025-10-01 | CONOCOPHILLIPS ALASKA, INC. / KUPARUK SEAWATER TREATMENT PLANT (STP) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-09-30 | BLUECREST ALASKA OPERATING LLC / COSMOPOLITAN PROJECT | KENAI, Kenai Peninsula, AK | FCE On-Site | State |
| 2025-09-30 | HILCORP ALASKA, LLC / ENDICOTT PRODUCTION FACILITY (END) | NORTH SLOPE BOROUGH, North Slope, AK | FCE On-Site | State |
| 2025-09-30 | HILCORP ALASKA, LLC / NIKAITCHUQ DEVELOPMENT | NORTH SLOPE BOROUGH, North Slope, AK | FCE On-Site | State |
| 2025-09-23 | CONOCOPHILLIPS ALASKA, INC. / GREATER MOOSES TOOTH 2/MOOSES TOOTH 7 ( | NORTH SLOPE BOROUGH, North Slope, AK | FCE Off-Site | State |
| 2025-09-23 | HILCORP ALASKA, LLC / ENDICOTT PRODUCTION FACILITY (END) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-09-22 | HILCORP ALASKA, LLC / GATHERING CENTER #2 (GC 2) | NORTH SLOPE BOROUGH, North Slope, AK | FCE On-Site | State |
| 2025-09-22 | HILCORP ALASKA, LLC / GATHERING CENTER #3 (GC 3) | NORTH SLOPE BOROUGH, North Slope, AK | FCE On-Site | State |
| 2025-09-22 | HILCORP ALASKA, LLC / ENDICOTT PRODUCTION FACILITY (END) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-09-19 | HILCORP ALASKA, LLC / BRUCE PLATFORM | KENAI, Kenai Peninsula, AK | FCE On-Site | State |
| 2025-09-19 | HILCORP ALASKA, LLC / PBU CENTRAL POWER STATION (CPS) | NORTH SLOPE BOROUGH, North Slope, AK | FCE On-Site | State |
| 2025-09-19 | CONOCOPHILLIPS ALASKA, INC. / GREATER MOOSES TOOTH 1/MOOSES TOOTH 6 ( | NORTH SLOPE BOROUGH, North Slope, AK | FCE Off-Site | State |
| 2025-09-19 | HILCORP ALASKA, LLC / OOOGURUK DEVELOPMENT PROJECT | NORTH SLOPE BOROUGH, North Slope, AK | FCE On-Site | State |
| 2025-09-18 | HILCORP ALASKA, LLC / GATHERING CENTER #1 (GC 1) | NORTH SLOPE BOROUGH, North Slope, AK | FCE On-Site | State |
| 2025-09-13 | HILCORP ALASKA, LLC / STEELHEAD PLATFORM | KENAI, Kenai Peninsula, AK | PCE Off-Site | State |
| 2025-09-13 | HILCORP ALASKA, LLC / KING SALMON PLATFORM | KENAI, Kenai Peninsula, AK | PCE Off-Site | State |
| 2025-09-13 | HILCORP ALASKA, LLC / PLATFORM A — high-priority violation on file | KENAI, Kenai Peninsula, AK | PCE Off-Site | State |
| 2025-09-13 | HILCORP ALASKA, LLC / PLATFORM C, MIDDLE GROUND SHOAL, COOK I — high-priority violation on file | KENAI, Kenai Peninsula, AK | PCE Off-Site | State |
| 2025-09-13 | HILCORP ALASKA, LLC / PAXTON PRODUCTION FACILITY | KENAI, Kenai Peninsula, AK | PCE Off-Site | State |
| 2025-09-13 | HILCORP ALASKA, LLC / GRAYLING PLATFORM | KENAI, Kenai Peninsula, AK | PCE Off-Site | State |
| 2025-09-12 | HILCORP ALASKA, LLC / BRUCE PLATFORM | KENAI, Kenai Peninsula, AK | PCE Off-Site | State |
| 2025-09-12 | HILCORP ALASKA, LLC / GRANITE POINT TANK FARM | KENAI, Kenai Peninsula, AK | PCE Off-Site | State |
| 2025-09-12 | HILCORP ALASKA, LLC / GATHERING CENTER #2 (GC 2) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-09-11 | HILCORP ALASKA, LLC / FLOW STATION #1 (FS 1) — high-priority violation on file | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-09-11 | HILCORP ALASKA, LLC / PRUDHOE BAY OPERATIONS CENTER / MAIN CO | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-09-10 | HILCORP ALASKA, LLC / BELUGA RIVER UNIT — high-priority violation on file | KENAI, Kenai Peninsula, AK | PCE Off-Site | State |
| 2025-09-10 | HILCORP ALASKA, LLC / BELUGA RIVER UNIT — high-priority violation on file | KENAI, Kenai Peninsula, AK | PCE Off-Site | State |
| 2025-09-09 | HILCORP ALASKA, LLC / KENAI GAS FIELD PAD 34-31 | KENAI, Kenai Peninsula, AK | PCE Off-Site | State |
| 2025-09-09 | HILCORP ALASKA, LLC / MILNE POINT UNIT C-PAD | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-09-05 | HARVEST ALASKA LNG, LLC / LIQUEFIED NATURAL GAS (LNG) FACILITY PR | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-09-04 | HILCORP ALASKA, LLC / MONOPOD PLATFORM | KENAI, Kenai Peninsula, AK | FCE On-Site | State |
| 2025-09-03 | HILCORP ALASKA, LLC / GRANITE POINT PLATFORM | KENAI, Kenai Peninsula, AK | FCE On-Site | State |
| 2025-09-02 | HILCORP ALASKA, LLC / KENAI GAS FIELD PAD 14-6 | KENAI, Kenai Peninsula, AK | PCE Off-Site | State |
| 2025-08-27 | HILCORP ALASKA, LLC / Z-PAD | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-08-26 | COOK INLET ENERGY, LLC / OSPREY PLATFORM | KENAI, Kenai Peninsula, AK | PCE Off-Site | State |
| 2025-08-26 | HILCORP ALASKA, LLC / GATHERING CENTER #2 (GC 2) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-08-26 | CONOCOPHILLIPS ALASKA, INC. / WILLOW CENTRAL FACILITY (WCF) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-08-25 | HILCORP ALASKA, LLC / TYONEK PLATFORM | KENAI, Kenai Peninsula, AK | PCE Off-Site | State |
| 2025-08-25 | HILCORP ALASKA, LLC / TYONEK PLATFORM | KENAI, Kenai Peninsula, AK | PCE Off-Site | State |
| 2025-08-22 | OIL SEARCH ALASKA, LLC, A SUBSIDIARY O / NANUSHUK DRILLSITE B | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-08-22 | OIL SEARCH ALASKA, LLC, A SUBSIDIARY O / SEAWATER TREATMENT PLANT | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-08-22 | OIL SEARCH ALASKA, LLC, A SUBSIDIARY O / SEAWATER TREATMENT PLANT | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-08-22 | OIL SEARCH ALASKA, LLC, A SUBSIDIARY O / NANUSHUK OPERATIONS PAD | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-08-20 | HILCORP ALASKA, LLC / SEAWATER INJECTION PLANT EAST (SIPE) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-08-19 | HILCORP ALASKA, LLC / SEAWATER INJECTION PLANT EAST (SIPE) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-08-19 | HILCORP ALASKA, LLC / TRANSPORTABLE DRILLING RIGS (DRILL RIGS | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-08-19 | HILCORP ALASKA, LLC / CRUDE OIL TOPPING UNIT (COTU) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-08-18 | HILCORP ALASKA, LLC / PBU CENTRAL POWER STATION (CPS) | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-08-15 | CONOCOPHILLIPS ALASKA, INC. / GREATER MOOSES TOOTH 1/MOOSES TOOTH 6 ( | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-08-15 | HILCORP ALASKA, LLC / MILNE POINT L-PAD | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-08-15 | HILCORP ALASKA, LLC / MILNE POINT L-PAD | NORTH SLOPE BOROUGH, North Slope, AK | PCE Off-Site | State |
| 2025-08-14 | HILCORP ALASKA, LLC / BEAVER CREEK PRODUCTION FACILITY | KENAI, Kenai Peninsula, AK | PCE Off-Site | State |
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Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.