Clean Air Act stationary source · ICIS-AIR PA000728832
NFG MIDSTREAM COVINGTON LLC/SHAW COMP STA, Mainesburg, PA: Clean Air Act compliance record, inspections, violations, penalties
- OperatingOperating status
- Synthetic minor sourceEmissions classification
- No Violation IdentifiedCurrent violation status, as filed
- 51Compliance evaluations since January 1, 2017
- 0High-priority violations since January 1, 2017
- 1Formal enforcement actions since January 1, 2017
NFG MIDSTREAM COVINGTON LLC/SHAW COMP STA, at ASHLEY HILL RD, Mainesburg in Tioga 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”. Tioga 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 filed | NFG MIDSTREAM COVINGTON LLC/SHAW COMP STA |
|---|---|
| ICIS-AIR ID | PA000728832 |
| EPA facility registry ID | 110040624777 |
| Operating status | Operating |
| Emissions classification | Synthetic minor source |
| Current violation status (ICIS-AIR high-priority violation field) | No Violation Identified |
| Address | ASHLEY HILL RD, Mainesburg, PA 16932 |
| County | Tioga County |
| In a nonattainment county | Yes (EPA Green Book) |
| Industry (NAICS) | Oil and gas extraction (NAICS 2111) |
| SIC code | 1311 |
| EPA region | 03 |
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 NFG MIDSTREAM COVINGTON LLC/SHAW 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
- 51Evaluations since January 1, 2017
- 7Full compliance evaluations
The newest 50 of 51.
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| April 13, 2026 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| March 16, 2026 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| July 2, 2025 | FCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| May 14, 2025 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| February 28, 2025 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| September 23, 2024 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| July 10, 2024 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| June 13, 2024 | FCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| May 28, 2024 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| May 20, 2024 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| March 29, 2024 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| June 22, 2023 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| June 14, 2023 | FCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| March 22, 2023 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| March 16, 2023 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| March 6, 2023 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| December 27, 2022 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| July 17, 2022 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| April 26, 2022 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| April 11, 2022 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| February 23, 2022 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| January 20, 2022 | FCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| October 12, 2021 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| June 21, 2021 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| March 12, 2021 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| March 10, 2021 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| March 8, 2021 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| December 24, 2020 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| October 29, 2020 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| May 14, 2020 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| April 16, 2020 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| March 2, 2020 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| February 28, 2020 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| December 20, 2019 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| June 28, 2019 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| May 8, 2019 | FCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| May 8, 2019 | FCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| March 11, 2019 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| February 27, 2019 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| January 7, 2019 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| June 19, 2018 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| June 8, 2018 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| April 16, 2018 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| March 5, 2018 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| December 11, 2017 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| September 28, 2017 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| June 23, 2017 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| April 25, 2017 | FCE On-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| March 16, 2017 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| March 13, 2017 | PCE Off-Site | State | State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
Violations
- 0Violation determinations since January 1, 2017
- 0Of them high-priority
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.
EPA’s violation history file holds no violation for ICIS-AIR PA000728832 since January 1, 2017.
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.
| Date | What EPA recorded | Agency | Penalty, as filed |
|---|---|---|---|
| May 28, 2025 | Administrative Order | State | $12,000 |
Informal enforcement
| Date | What EPA recorded | Agency |
|---|---|---|
| May 29, 2024 | Notice of Violation | State |
Stack tests
- 11Stack tests since January 1, 2017
- 2Recorded as failed
| Date | What EPA recorded | Agency |
|---|---|---|
| April 23, 2026 | Pending | State |
| November 4, 2025 | Pending | State |
| June 10, 2025 | Pending | State |
| November 12, 2024 | Fail | State |
| November 14, 2023 | Fail | State |
| August 15, 2022 | Pass | State |
| August 16, 2021 | Pass | State |
| August 24, 2020 | Pass | State |
| August 28, 2019 | Pass | State |
| August 27, 2018 | Pass | State |
| September 6, 2017 | Pass | State |
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 110040624777 there.
Nearby on the register
- Air-emissions sources in Tioga County
- Every source record in Tioga County, A to Z
- Air-emissions sources in Pennsylvania
- Every source record in Pennsylvania, A to Z
Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.