Clean Air Act stationary source · ICIS-AIR OK0000004005300020
ET GATHERING PROCESSING LLC / K 9 COMPRESSOR STATION, Nash, OK: Clean Air Act compliance record, inspections, violations, penalties
- OperatingOperating status
- Synthetic minor sourceEmissions classification
- No Violation IdentifiedCurrent violation status, as filed
- 18Compliance evaluations since January 1, 2017
- 0High-priority violations since January 1, 2017
- 0Formal enforcement actions since January 1, 2017
ET GATHERING PROCESSING LLC / K 9 COMPRESSOR STATION, at 4 MILES S AND 1 MILE E OF, Nash in Grant County, Oklahoma, 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”. 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 | ET GATHERING PROCESSING LLC / K 9 COMPRESSOR STATION |
|---|---|
| ICIS-AIR ID | OK0000004005300020 |
| EPA facility registry ID | 110033141393 |
| Operating status | Operating |
| Emissions classification | Synthetic minor source |
| Current violation status (ICIS-AIR high-priority violation field) | No Violation Identified |
| Address | 4 MILES S AND 1 MILE E OF, Nash, OK 73761 |
| County | Grant County |
| In a nonattainment county | No (EPA Green Book) |
| Industry (NAICS) | Oil and gas extraction (NAICS 2111) |
| SIC code | 1311 |
| EPA region | 06 |
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 ET GATHERING PROCESSING LLC / K 9 COMPRESSOR STATION 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
- 18Evaluations since January 1, 2017
- 2Full compliance evaluations
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| March 20, 2026 | FCE On-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| January 24, 2023 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| December 19, 2022 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| October 28, 2022 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| April 20, 2022 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| November 18, 2021 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| October 29, 2021 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| January 21, 2021 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| December 18, 2020 | FCE On-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| October 22, 2020 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| August 20, 2020 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| January 27, 2020 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| October 30, 2019 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| October 17, 2018 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| October 17, 2018 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| September 12, 2018 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| February 27, 2018 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| November 8, 2017 | PCE Off-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
Violations
- 2Violation 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.
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| January 31, 2024 | Earliest FRV determination | State | New Source Performance Standards |
| March 18, 2021 | Earliest FRV determination | State | New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
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
| Date | What EPA recorded | Agency |
|---|---|---|
| July 28, 2021 | Notice of Violation | State |
Stack tests
- 13Stack tests since January 1, 2017
- 0Recorded as failed
| Date | What EPA recorded | Agency |
|---|---|---|
| May 8, 2024 | Pass | State |
| May 8, 2024 | Pass | State |
| December 1, 2022 | Pass | State |
| December 2, 2021 | Pass | State |
| October 14, 2021 | Pass | State |
| November 9, 2020 | Pass | State |
| September 18, 2020 | Pass | State |
| November 22, 2019 | Pass | State |
| October 10, 2019 | Pass | State |
| November 28, 2018 | Pass | State |
| October 31, 2018 | Pass | State |
| November 2, 2017 | Pass | State |
| September 22, 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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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 110033141393 there.
Nearby on the register
- Air-emissions sources in Grant County
- Every source record in Grant County, A to Z
- Air-emissions sources in Oklahoma
- Every source record in Oklahoma, A to Z
Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.