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Clean Air Act stationary source · ICIS-AIR PA000748474

APPALACHIA MIDSTREAM SVC LLC/RATTLESNAKE HILL COMP STA, Auburn Township, PA: Clean Air Act compliance record, inspections, violations, penalties

APPALACHIA MIDSTREAM SVC LLC/RATTLESNAKE HILL COMP STA, at T0326, Auburn Township in Susquehanna County, Pennsylvania, is an operating synthetic minor 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”. Susquehanna County is on EPA’s Green Book list of areas that do not meet a national air quality standard. 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 filedAPPALACHIA MIDSTREAM SVC LLC/RATTLESNAKE HILL COMP STA
ICIS-AIR IDPA000748474
EPA facility registry ID110046272047
Operating statusOperating
Emissions classificationSynthetic minor source
Current violation status (ICIS-AIR high-priority violation field)No Violation Identified
AddressT0326, Auburn Township, PA 18630
CountySusquehanna County
In a nonattainment countyYes (EPA Green Book)
Industry (NAICS)Oil and gas extraction (NAICS 2111)
SIC code1311
EPA region03

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

Programs and pollutants

Velarion’s copy of EPA’s ICIS-AIR download does not yet include its program, pollutant and Title V certification files, so this page does not list the Clean Air Act programs APPALACHIA MIDSTREAM SVC LLC/RATTLESNAKE HILL COMP STA 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

The newest 50 of 84.

DateWhat EPA recordedAgencyPrograms
August 25, 2026PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
July 17, 2026PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
June 25, 2026PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
June 12, 2026PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
June 2, 2026PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
April 30, 2026PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
April 22, 2026PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
February 6, 2026PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
January 7, 2026PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
December 15, 2025FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
December 12, 2025PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
November 5, 2025PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
October 3, 2025PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
July 15, 2025PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
July 14, 2025PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
March 31, 2025PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
January 22, 2025PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
January 22, 2025PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
January 22, 2025PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
December 3, 2024PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
November 6, 2024PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
October 3, 2024PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
August 19, 2024PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
June 25, 2024PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
June 14, 2024PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
June 11, 2024PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 21, 2024PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
April 24, 2024PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
April 17, 2024PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
April 11, 2024PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
March 7, 2024PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
September 19, 2023PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
August 24, 2023PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
August 11, 2023PCE On-Site Monitoring/SamplingStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
July 17, 2023PCE On-Site Monitoring/SamplingStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
June 2, 2023PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
April 4, 2023PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
March 27, 2023PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
March 22, 2023PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
March 3, 2023PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
March 1, 2023PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
December 19, 2022FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
December 8, 2022PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
October 6, 2022PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
June 29, 2022PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
June 9, 2022PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 31, 2022PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 10, 2022PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
April 28, 2022PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
April 11, 2022PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards

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 15, 2025Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
August 19, 2024Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 19, 2020Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards

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
December 12, 2023Administrative OrderState$3,891

Informal enforcement

DateWhat EPA recordedAgency
July 15, 2025Notice of ViolationState
July 30, 2020Notice of ViolationState

Stack tests

DateWhat EPA recordedAgency
June 29, 2026PassState
May 6, 2026PassState
January 13, 2026PassState
July 1, 2025PassState
January 15, 2025PassState
July 11, 2024PassState
July 10, 2024PassState
February 6, 2024PassState
July 17, 2023PassState
March 3, 2023PassState
July 26, 2022PassState
March 16, 2022PassState
August 5, 2021PassState
March 30, 2021PassState
August 6, 2020PassState
June 16, 2020PassState
May 28, 2020PassState
March 18, 2020PassState
June 26, 2019PassState
March 28, 2019PassState
February 20, 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 110046272047 there.

Nearby on the register

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