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Clean Air Act stationary source · ICIS-AIR PA000780303

GREYLOCK MIDSTREAM LLC/VERES COMP STA, Waynesburg, PA: Clean Air Act compliance record, inspections, violations, penalties

GREYLOCK MIDSTREAM LLC/VERES COMP STA, at 1479 GARARDS FORT RD, Waynesburg in Greene 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”. Greene 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 filedGREYLOCK MIDSTREAM LLC/VERES COMP STA
ICIS-AIR IDPA000780303
EPA facility registry ID110069570672
Operating statusOperating
Emissions classificationSynthetic minor source
Current violation status (ICIS-AIR high-priority violation field)No Violation Identified
Address1479 GARARDS FORT RD, Waynesburg, PA 15370-2496
CountyGreene 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 include its program, pollutant and Title V certification files, so this page does not list the Clean Air Act programs GREYLOCK MIDSTREAM LLC/VERES 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

DateWhat EPA recordedAgencyPrograms
June 9, 2026PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 20, 2025PCE 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
March 5, 2024FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
August 29, 2023PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
August 29, 2023PCE Off-SiteStateState 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
August 11, 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
June 21, 2021FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
March 24, 2021PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
March 1, 2021PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
July 27, 2020PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 14, 2020PCE On-Site Monitoring/SamplingStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
January 22, 2020FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
June 27, 2019PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
April 17, 2018PCE Off-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
September 12, 2017FCE On-SiteStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
April 7, 2017PCE 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
March 5, 2024Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
August 29, 2023Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
August 29, 2023Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
May 14, 2020Earliest FRV determinationStateState Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
January 22, 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
October 8, 2020Administrative OrderState$10,250

Informal enforcement

DateWhat EPA recordedAgency
April 23, 2024Notice of ViolationState
October 17, 2023Notice of ViolationState
June 1, 2020Notice of ViolationState
February 3, 2020Notice of ViolationState

Stack tests

DateWhat EPA recordedAgency
February 12, 2026PassState
May 29, 2025PassState
September 7, 2023PassState
April 28, 2022PassState
February 7, 2022PassState
April 30, 2021PassState
April 30, 2020PassState
January 30, 2020PassState
April 30, 2019PassState
January 30, 2019PassState
April 23, 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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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 110069570672 there.

Nearby on the register

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

What this page shows

This public-records page covers the Clean Air Act compliance record for GREYLOCK MIDSTREAM LLC/VERES COMP STA, an operating synthetic minor source in Waynesburg, Pennsylvania, listed under ICIS-AIR ID PA000780303. The figures listed are 20 compliance evaluations since January 1, 2017, 0 high-priority violations and 1 formal enforcement action over the same period, with a current violation status of No Violation Identified.