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ICIS-AIR PA000732436

RW GATHERING LLC/SALEM COMP STA, Derry, PA: Clean Air Act compliance record, inspections, violations, penalties

RW GATHERING LLC/SALEM COMP STA is on EPA’s ICIS-AIR register at 904 BARCHESKY RD, Derry in Westmoreland County, Pennsylvania: operating status operating, emissions classification synthetic minor source, current violation status “No Violation Identified”. Westmoreland County is on EPA’s Green Book list of areas that do not meet a national air quality standard.

What stands out

  • The newest of the 29 events on file is a compliance evaluation dated June 25, 2026.
  • Its events on file run from June 2, 2017 through June 25, 2026.
  • Of its 20 compliance evaluations on file, 4 are a full compliance evaluation.
  • The register holds 158 air-emissions sources in Westmoreland County, Pennsylvania.

Every line is computed by formula from the record’s stored figures; nothing is estimated.

Identity

Facility as filedRW GATHERING LLC/SALEM COMP STA
ICIS-AIR IDPA000732436
EPA facility registry ID110043577545
Operating statusOperating
Emissions classificationSynthetic minor source
Current violation status (HPV field)No Violation Identified
Address904 BARCHESKY RD, Derry, PA 15627
CountyWestmoreland County
In a nonattainment countyYes (EPA Green Book)
Industry (NAICS)Oil and gas extraction (NAICS 2111)
SIC code1311
EPA region03

Programs and pollutants

The program, pollutant and Title V files are not loaded: what this page covers.

Compliance evaluations

DateWhat EPA recordedAgencyPrograms
June 25, 2026PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
October 23, 2025FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
July 18, 2025PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 31, 2024PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 13, 2024PCE On-Site Monitoring/SamplingStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
March 21, 2024PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 25, 2023PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
February 27, 2023PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
February 13, 2023FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
July 27, 2022PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 19, 2022PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
October 6, 2021PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
April 30, 2021FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
June 5, 2020PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
June 5, 2020PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 6, 2020PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 31, 2019PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
November 29, 2018FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
June 1, 2018PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
June 2, 2017PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards

Violations

What high-priority and federally reportable violations mean.

DateWhat EPA recordedAgencyPrograms
July 27, 2022Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards

Enforcement and penalties

0 of the formal enforcement actions carry a penalty filed above zero. How a penalty is shown.

Informal enforcement

DateWhat EPA recordedAgency
August 1, 2022Notice of ViolationState

Stack tests

DateWhat EPA recordedAgency
May 12, 2026PassState
May 21, 2025PassState
July 1, 2024PassState
May 13, 2024PassState
July 12, 2019PassState
October 16, 2018PassState
July 25, 2017PassState

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Privacy

Free from EPA: Detailed Facility Report, ECHO Notify (registry ID 110043577545).

Other air sources in Pennsylvania beside RW GATHERING LLC/SALEM COMP STA

EPA ICIS-AIR download, loaded September 14, 2026.