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Clean Air Act stationary source · ICIS-AIR AK0000000218500015

HILCORP ALASKA, LLC / PBU CENTRAL POWER STATION (CPS), North Slope Borough, AK: Clean Air Act compliance record, inspections, violations, penalties

HILCORP ALASKA, LLC / PBU CENTRAL POWER STATION (CPS), at SECTION 30, T11N, R14E UMIAT MERIDIAN, North Slope Borough in North Slope 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 / PBU CENTRAL POWER STATION (CPS)
ICIS-AIR IDAK0000000218500015
EPA facility registry ID110070256753
Operating statusOperating
Emissions classificationMajor source
Current violation status (ICIS-AIR high-priority violation field)No Violation Identified
AddressSECTION 30, T11N, R14E UMIAT MERIDIAN, North Slope Borough, AK 99734
CountyNorth Slope 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 / PBU CENTRAL POWER STATION (CPS) 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
May 24, 2026PCE Off-SiteStateTitle V Permits
February 27, 2026PCE Off-SiteStateTitle V Permits
December 5, 2025PCE Off-SiteStateTitle V Permits
September 19, 2025FCE On-SiteStateTitle V Permits
August 18, 2025PCE Off-SiteStateTitle V Permits
July 22, 2025PCE Off-SiteStateTitle V Permits
March 27, 2025PCE Off-SiteStateTitle V Permits
January 2, 2025PCE Off-SiteStateTitle V Permits
November 19, 2024PCE Off-SiteStateTitle V Permits
July 17, 2024PCE Off-SiteStateTitle V Permits
March 27, 2024PCE Off-SiteStateTitle V Permits
January 16, 2024PCE Off-SiteStateTitle V Permits
November 15, 2023PCE Off-SiteStateTitle V Permits
June 7, 2023PCE Off-SiteStateTitle V Permits
March 29, 2023FCE On-SiteStateTitle V Permits
February 23, 2023PCE Off-SiteStateTitle V Permits
January 13, 2023PCE Off-SiteStateTitle V Permits
October 12, 2022PCE Off-SiteStateTitle V Permits
June 28, 2022PCE Off-SiteStateTitle V Permits
February 24, 2022PCE Off-SiteStateTitle V Permits
December 29, 2021PCE Off-SiteStateTitle V Permits
September 10, 2021PCE Off-SiteStateTitle V Permits
September 10, 2021PCE Off-SiteStateTitle V Permits
May 17, 2021PCE Off-SiteStateTitle V Permits
March 23, 2021FCE Off-SiteState40 CFR Part 63 Area Sources; MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; Prevention of Significant Deterioration of Air Quality; Title V Permits
December 29, 2020PCE Off-SiteStateTitle V Permits
December 29, 2020PCE Off-SiteStateTitle V Permits
October 12, 2020PCE Off-SiteStateTitle V Permits
April 1, 2020PCE Off-SiteStateTitle V Permits
February 5, 2020PCE Off-SiteStateTitle V Permits
October 4, 2019PCE Off-SiteStateTitle V Permits
August 9, 2019FCE On-SiteState40 CFR Part 63 Area Sources; MACT Standards (40 CFR Part 63); National Emission Standards for Hazardous Air Pollutants (40 CFR Part 61); New Source Performance Standards; Prevention of Significant Deterioration of Air Quality; Title V Permits
July 9, 2019PCE Off-SiteStateTitle V Permits
May 2, 2019PCE Off-SiteStateTitle V Permits
January 16, 2019PCE Off-SiteStateTitle V Permits
September 4, 2018PCE Off-SiteStateTitle V Permits
August 15, 2018PCE Off-SiteStateTitle V Permits
August 3, 2018PCE Off-SiteStateTitle V Permits
December 27, 2017PCE Off-SiteStateTitle V Permits
November 5, 2017PCE Off-SiteStateTitle V Permits
September 7, 2017FCE On-SiteStateTitle V Permits
June 27, 2017PCE Off-SiteStateTitle V Permits
June 20, 2017PCE Off-SiteStateTitle V Permits
April 12, 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
July 26, 2024Earliest FRV determinationStateTitle V Permits

Enforcement and penalties

0 formal enforcement actions since January 1, 2017, 0 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.

Informal enforcement

DateWhat EPA recordedAgency
September 1, 2025Warning LetterState
March 23, 2021Warning LetterState

Stack tests

DateWhat EPA recordedAgency
September 4, 2021PassState

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 110070256753 there.

Nearby on the register

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