Velarion Records
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Clean Air Act stationary source · ICIS-AIR AK0000000218500071

CONOCOPHILLIPS ALASKA, INC. / ALPINE CENTRAL PROCESSING FACILITY, North Slope Borough, AK: Clean Air Act compliance record, inspections, violations, penalties

CONOCOPHILLIPS ALASKA, INC. / ALPINE CENTRAL PROCESSING FACILITY, at SECTION 32, TOWNSHIP 12N, RANGE 5E 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 filedCONOCOPHILLIPS ALASKA, INC. / ALPINE CENTRAL PROCESSING FACILITY
ICIS-AIR IDAK0000000218500071
EPA facility registry ID110070312878
Operating statusOperating
Emissions classificationMajor source
Current violation status (ICIS-AIR high-priority violation field)No Violation Identified
AddressSECTION 32, TOWNSHIP 12N, RANGE 5E 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 CONOCOPHILLIPS ALASKA, INC. / ALPINE CENTRAL PROCESSING FACILITY 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
June 23, 2026PCE Off-SiteStateTitle V Permits
April 28, 2026PCE Off-SiteStateTitle V Permits
December 15, 2025PCE Off-SiteStateTitle V Permits
October 30, 2025PCE Off-SiteStateTitle V Permits
July 29, 2025PCE Off-SiteStateTitle V Permits
May 12, 2025PCE Off-SiteStateTitle V Permits
May 8, 2025PCE Off-SiteStateTitle V Permits
February 4, 2025PCE Off-SiteStateTitle V Permits
December 24, 2024FCE On-SiteStateTitle V Permits
November 8, 2024PCE Off-SiteStateTitle V Permits
August 8, 2024PCE Off-SiteStateTitle V Permits
May 15, 2024PCE Off-SiteStateTitle V Permits
January 25, 2024PCE Off-SiteStateTitle V Permits
November 13, 2023PCE Off-SiteStateTitle V Permits
August 11, 2023PCE Off-SiteStateTitle V Permits
May 4, 2023PCE Off-SiteStateTitle V Permits
December 30, 2022FCE On-SiteStateTitle V Permits
December 13, 2022PCE Off-SiteStateTitle V Permits
December 13, 2022PCE Off-SiteStateTitle V Permits
August 12, 2022PCE Off-SiteStateTitle V Permits
May 24, 2022PCE Off-SiteStateTitle V Permits
February 27, 2022PCE Off-SiteStateTitle V Permits
November 23, 2021PCE Off-SiteStateTitle V Permits
July 29, 2021PCE Off-SiteStateTitle V Permits
March 17, 2021PCE Off-SiteStateTitle V Permits
December 14, 2020FCE On-SiteStateTitle V Permits
December 3, 2020PCE Off-SiteStateTitle V Permits
November 30, 2020PCE Off-SiteStateTitle V Permits
August 10, 2020PCE Off-SiteStateTitle V Permits
April 10, 2020PCE Off-SiteStateTitle V Permits
December 6, 2019PCE Off-SiteStateTitle V Permits
September 4, 2019PCE Off-SiteStateTitle V Permits
May 22, 2019PCE Off-SiteStateTitle V Permits
March 11, 2019FCE On-SiteStateTitle V Permits
February 21, 2019PCE Off-SiteStateTitle V Permits
February 21, 2019PCE Off-SiteStateTitle V Permits
December 7, 2018PCE Off-SiteStateTitle V Permits
December 7, 2018PCE Off-SiteStateTitle V Permits
October 2, 2018PCE Off-SiteStateTitle V Permits
October 2, 2018PCE Off-SiteStateTitle V Permits
June 25, 2018PCE Off-SiteStateTitle V Permits
June 25, 2018PCE Off-SiteStateTitle V Permits
March 12, 2018PCE Off-SiteStateTitle V Permits
January 8, 2018PCE Off-SiteStateTitle V Permits
November 20, 2017PCE Off-SiteStateTitle V Permits
June 16, 2017FCE On-SiteStateTitle V Permits
June 12, 2017PCE Off-SiteStateTitle V Permits
April 4, 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
March 15, 2022Earliest FRV determinationStateTitle V Permits
February 10, 2022Earliest FRV determinationStateTitle V Permits
January 11, 2022Earliest FRV determinationStateTitle V Permits
October 29, 2021Earliest FRV determinationState40 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
August 5, 2021Earliest FRV determinationStateTitle V Permits
August 5, 2021Earliest FRV determinationState40 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
August 2, 2021Earliest FRV determinationStateTitle V Permits
July 17, 2021Earliest FRV determinationStateTitle V Permits
February 5, 2021Earliest FRV determinationStateTitle V Permits
December 11, 2020Earliest FRV determinationStateTitle V Permits
September 4, 2019Earliest FRV determinationStateTitle V Permits
September 4, 2019Earliest FRV determinationStateTitle V Permits
March 5, 2019Earliest FRV determinationStateTitle V Permits
May 10, 2018Earliest 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
December 24, 2024Warning LetterState
December 20, 2020Warning LetterState
October 29, 2019Warning LetterState
October 14, 2019Warning LetterState
March 11, 2019Warning LetterState
June 21, 2018Warning LetterState
May 10, 2018Warning LetterState
June 16, 2017Warning LetterState

Stack tests

DateWhat EPA recordedAgency
April 8, 2026PassState
April 7, 2026PassState
April 3, 2024PassState
April 2, 2024PassState
June 23, 2022PassState
January 27, 2022PassState
January 27, 2022PassState
January 22, 2022PassState
October 18, 2021PassState
October 16, 2021PassState
October 14, 2021PassState
August 18, 2021PassState
August 15, 2021PassState
August 14, 2021PassState
August 12, 2021N/AState
October 4, 2017PassState
October 2, 2017PassState
September 30, 2017PassState
January 18, 2017PassState
January 17, 2017PassState
January 17, 2017PassState
January 15, 2017PassState
January 14, 2017PassState
January 12, 2017PassState
January 11, 2017PassState
January 9, 2017PassState
January 8, 2017PassState

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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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 110070312878 there.

Nearby on the register

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