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Clean Air Act stationary source · ICIS-AIR AK0000000212200007

HILCORP ALASKA, LLC / STEELHEAD PLATFORM, Kenai, AK: Clean Air Act compliance record, inspections, violations, penalties

HILCORP ALASKA, LLC / STEELHEAD PLATFORM, at UPPER COOK INLET, Kenai in Kenai Peninsula County, Alaska, is an operating major source of air pollution on EPA’s ICIS-AIR register. EPA’s file records its current violation status (ICIS-AIR’s high-priority violation field) as “No Violation Identified”. The status and classification are as EPA’s facility file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the source’s current standing, quarter by quarter.

Identity

Facility as filedHILCORP ALASKA, LLC / STEELHEAD PLATFORM
ICIS-AIR IDAK0000000212200007
EPA facility registry ID110003041994
Operating statusOperating
Emissions classificationMajor source
Current violation status (ICIS-AIR high-priority violation field)No Violation Identified
AddressUPPER COOK INLET, Kenai, AK 99519
CountyKenai Peninsula County
In a nonattainment countyNo (EPA Green Book)
Industry (NAICS)Oil and gas extraction (NAICS 2111)
EPA region10

Cited to the EPA ICIS-AIR facility file (ECHO download).

Programs and pollutants

Velarion’s copy of EPA’s ICIS-AIR download does not include its program, pollutant and Title V certification files, so this page does not list the Clean Air Act programs HILCORP ALASKA, LLC / STEELHEAD PLATFORM is under or the pollutants it is permitted for. The programs each evaluation and violation below was recorded under are shown with it. EPA’s free Detailed Facility Report lists both.

Compliance evaluations

DateWhat EPA recordedAgencyPrograms
February 19, 2026PCE Off-SiteStateTitle V Permits
September 13, 2025PCE Off-SiteStateTitle V Permits
June 26, 2025FCE On-SiteStateTitle V Permits
May 7, 2025PCE Off-SiteStateTitle V Permits
November 7, 2024PCE Off-SiteStateTitle V Permits
May 16, 2024PCE Off-SiteStateTitle V Permits
August 14, 2023PCE Off-SiteStateTitle V Permits
June 30, 2023FCE On-SiteStateTitle V Permits
March 10, 2023PCE Off-SiteStateTitle V Permits
September 22, 2022PCE Off-SiteStateTitle V Permits
February 28, 2022PCE Off-SiteStateTitle V Permits
September 15, 2021PCE Off-SiteStateTitle V Permits
July 21, 2021FCE On-SiteStateTitle V Permits
July 12, 2021PCE Off-SiteStateTitle V Permits
September 28, 2020FCE On-SiteStateTitle V Permits
September 16, 2020PCE Off-SiteStateTitle V Permits
September 16, 2020PCE Off-SiteStateTitle V Permits
April 24, 2020PCE Off-SiteStateTitle V Permits
February 25, 2020PCE Off-SiteStateTitle V Permits
July 15, 2019PCE Off-SiteStateTitle V Permits
July 15, 2019PCE Off-SiteStateTitle V Permits
June 28, 2018FCE On-SiteStateTitle V Permits
May 16, 2018PCE Off-SiteStateTitle V Permits
May 1, 2018FCE On-SiteU.S. EPA40 CFR Part 63 Area Sources; MACT Standards (40 CFR Part 63); New Source Performance Standards; Operating Permits; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits
October 19, 2017PCE Off-SiteStateTitle V Permits
May 2, 2017PCE Off-SiteStateTitle V Permits

Violations

A high-priority violation (HPV) is the most serious class of Clean Air Act non-compliance an agency records; a federally reportable violation (FRV) is the next step down. Each row is one determination as EPA’s violation history files it.

DateWhat EPA recordedAgencyPrograms
April 4, 2025Earliest FRV determinationStateTitle V Permits
July 26, 2024Earliest FRV determinationStateTitle V Permits
June 11, 2020Earliest FRV determinationStateTitle V Permits
June 28, 2018Earliest FRV determinationStateTitle V Permits
December 4, 2017HPV day-zero determinationStateTitle V Permits

Enforcement and penalties

1 formal enforcement actions since January 1, 2017, 1 of them with a penalty filed above zero. Each penalty is shown as EPA’s formal action file states it; “Not stated” means the file gives no figure, and $0 is a disclosed zero.

DateWhat EPA recordedAgencyPenalty, as filed
June 11, 2019Administrative OrderState$338,985

Informal enforcement

DateWhat EPA recordedAgency
June 26, 2025Warning LetterState
July 31, 2024Warning LetterState
September 28, 2020Warning LetterState
October 17, 2018Notice of ViolationState
June 28, 2018Warning LetterState
February 7, 2017Warning LetterState

Stack tests

DateWhat EPA recordedAgency
April 29, 2026PassState
April 27, 2024PassState
April 26, 2024PassState
April 26, 2024PassState
April 25, 2024PassState
March 28, 2022PassState
April 23, 2021PassState
August 26, 2020PassState
August 26, 2020PassState
May 8, 2019PassState
May 8, 2019PassState
May 8, 2019PassState
May 8, 2019PassState
June 16, 2018PassState

Cited to the EPA ICIS-AIR evaluation, violation, stack test and enforcement files (ECHO download), events dated January 1, 2017 or later as loaded; up to 50 rows of each shown, newest first.

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How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every source on ECHO: its compliance status quarter by quarter, its evaluations, and its violations, enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter EPA facility registry ID 110003041994 there.

Nearby on the register

Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.