EPA Air · stack tests by state, industry and year
Oil and gas extraction (NAICS 2111): stack tests in West Virginia, 2025
- 52Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2025 at a West Virginia source whose primary industry code is NAICS 2111. A facility filing more than one industry code is counted under the first one on its record.
Oil and gas extraction (NAICS 2111) in West Virginia, other years
Other industries in West Virginia, 2025
- Utilities (NAICS 2211) 78
- Pipeline transportation (NAICS 4862) 27
- Chemical manufacturing (NAICS 3251) 17
- Utilities (NAICS 2212) 11
- Mining support (NAICS 2131) 6
- Petroleum and coal products manufacturing (NAICS 3241) 6
- Wood product manufacturing (NAICS 3212) 5
- Nonmetallic mineral product manufacturing (NAICS 3273) 4
- Nonmetallic mineral product manufacturing (NAICS 3274) 3
Air-emissions stack tests recorded in West Virginia, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-12-29 | WILLIAMS OHIO VALLEY MIDSTREAM LLC, FT. BEELER | CAMERON, Marshall, WV | Pass | State |
| 2025-12-11 | EQT XL MIDSTREAM OPERATING LLC, LEGACY CONDENSATE PAD | PROCTOR, Marshall, WV | Pass | State |
| 2025-11-20 | DTM APPALACHIA GATHERING, LLC, DAYBROOK STATION | FAIRVIEW, Marion, WV | Pass | State |
| 2025-11-19 | ANTERO MIDSTREAM LLC, MOUNTAIN STATION | PENNSBORO, Tyler, WV | Pass | State |
| 2025-11-06 | DTM APPALACHIA GATHERING, LLC, MEPCO COMPRESSOR | MAIDSVILLE, Monongalia, WV | Pass | State |
| 2025-11-06 | EASTERN GAS TRANSMISSION AND STORAGE, INC., MOCKINGBIRD HILL | PINE GROVE, Wetzel, WV | Pass | State |
| 2025-10-16 | COLUMBIA GAS TRANSMISSION, LLC, HUBBALL | BRANCHLAND, Lincoln, WV | Pass | State |
| 2025-09-24 | WILLIAMS OHIO VALLEY MIDSTREAM LLC, OAK GROVE | MOUNDSVILLE, Marshall, WV | Pass | State |
| 2025-09-12 | APPALACHIA MIDSTREAM SERVICES, L.L.C., PLEASANTS | ADALINE, Marshall, WV | Pass | State |
| 2025-09-12 | CNX MIDSTREAM OPERATING COMPANY LLC, SHIRLEY STATION | ALMA, Tyler, WV | Pass | State |
| 2025-09-11 | EUREKA MIDSTREAM, LLC, CARBIDE SITE | HASTINGS, Wetzel, WV | Pass | State |
| 2025-08-21 | CRANBERRY PIPELINE CORPORATION, LESTER/BUCK STATI | LESTER, Raleigh, WV | Pass | State |
| 2025-08-19 | EASTERN GAS TRANSMISSION AND STORAGE, INC., LIGHTBURN STATION | JANE LEW, Lewis, WV | Pass | State |
| 2025-08-19 | EQT XL MIDSTREAM OPERATING LLC, CHANNING COMPRESSOR | PROCTOR, Marshall, WV | Pass | State |
| 2025-08-13 | MOUNTAIN GATHERING, LLC, MCCLELLAND STATION | WORTHINGTON, Marion, WV | Pass | State |
| 2025-08-07 | EQM GATHERING OPCO, LLC, JANUS STATION | WEST UNION, Doddridge, WV | Pass | State |
| 2025-08-05 | MARKWEST LIBERTY MIDSTREAM & RESOURCES, L.L.C., SHERWOOD | WEST UNION, Doddridge, WV | Pass | State |
| 2025-08-01 | APPALACHIA MIDSTREAM SERVICES, LLC, BATTLE RUN | VALLEY GROVE, Ohio, WV | Pass | State |
| 2025-07-31 | MARKWEST LIBERTY MIDSTREAM & RESOURCES, L.L.C., MAJORSVILLE | DALLAS, Marshall, WV | Pass | State |
| 2025-07-22 | DIVERSIFIED MIDSTREAM LLC, BROWNING FORK STATION | GILBERT, Logan, WV | Pass | State |
| 2025-07-17 | APPALACHIA MIDSTREAM SERVICES, L.L.C., SAND HILL STATION | DALLAS, Marshall, WV | Pass | State |
| 2025-07-09 | GOFF CONNECTOR LLC, CONNECTOR STATION | BRIDGEPORT, Harrison, WV | Pass | State |
| 2025-06-10 | ANTERO MIDSTREAM LLC, ZINNIA STATION | SALEM, Harrison, WV | Pass | State |
| 2025-06-04 | EQM GATHERING OPCO, LLC, PANDORA STATION | WEST UNION, Doddridge, WV | Pass | State |
| 2025-05-29 | COLUMBIA GAS TRANSMISSION, LLC, CEREDO | HUNTINGTON, Wayne, WV | Pass | State |
| 2025-05-29 | COLUMBIA GAS TRANSMISSION, LLC, CEREDO | HUNTINGTON, Wayne, WV | Pass | State |
| 2025-05-22 | DTM APPALACHIA GATHERING, LLC, MEPCO COMPRESSOR | MAIDSVILLE, Monongalia, WV | Pass | State |
| 2025-05-22 | DTM APPALACHIA GATHERING, LLC, MEPCO COMPRESSOR | MAIDSVILLE, Monongalia, WV | Pass | State |
| 2025-05-14 | ANTERO MIDSTREAM LLC, MIDDLEBOURNE IV | MIDDLEBOURNE, Tyler, WV | Pass | State |
| 2025-05-12 | CRANBERRY PIPELINE CORPORATION, STATEN RUN STATIO | LONDON, Kanawha, WV | Pass | State |
| 2025-05-05 | MARKWEST LIBERTY MIDSTREAM & RESOURCES, L.L.C., MAJORSVILLE | DALLAS, Marshall, WV | Pass | State |
| 2025-04-29 | APPALACHIA MIDSTREAM SERVICES, L.L.C., BUFFALO STATION | BETHANY, Brooke, WV | Pass | State |
| 2025-04-28 | BLUE RACER MIDSTREAM, LLC, FIELD STATION 1 | READER, Wetzel, WV | Pass | State |
| 2025-04-17 | APPALACHIA MIDSTREAM SERVICES, L.L.C., PLEASANTS | ADALINE, Marshall, WV | Pass | State |
| 2025-04-08 | MARKWEST LIBERTY MIDSTREAM & RESOURCES, L.L.C., MAJORSVILLE | DALLAS, Marshall, WV | Pass | State |
| 2025-04-08 | CNX MIDSTREAM OPERATING COMPANY LLC, DRY RIDGE STATION | CAMERON, Marshall, WV | Pass | State |
| 2025-04-07 | MARKWEST LIBERTY MIDSTREAM & RESOURCES, L.L.C., SHERWOOD | WEST UNION, Doddridge, WV | Pass | State |
| 2025-04-02 | EQM GATHERING OPCO, LLC, SATURN STATION | CENTRAL STATION, Doddridge, WV | Pass | State |
| 2025-03-26 | EQM GATHERING OPCO, LLC, SATURN STATION | CENTRAL STATION, Doddridge, WV | Pass | State |
| 2025-03-18 | WILLIAMS OHIO VALLEY MIDSTREAM LLC, FT. BEELER | CAMERON, Marshall, WV | Pass | State |
| 2025-03-17 | MARKWEST LIBERTY MIDSTREAM & RESOURCES, L.L.C., SHERWOOD | WEST UNION, Doddridge, WV | Pass | State |
| 2025-03-13 | MARKWEST LIBERTY MIDSTREAM & RESOURCES, L.L.C., MAJORSVILLE | DALLAS, Marshall, WV | Pass | State |
| 2025-03-12 | EQM GATHERING OPCO, LLC, JANUS STATION | WEST UNION, Doddridge, WV | Pass | State |
| 2025-03-10 | MARKWEST LIBERTY MIDSTREAM & RESOURCES, L.L.C., MOBLEY GAS PLANT | SMITHFIELD, Wetzel, WV | Pass | State |
| 2025-03-04 | EASTERN GAS TRANSMISSION AND STORAGE, INC., MOCKINGBIRD HILL | PINE GROVE, Wetzel, WV | Pass | State |
| 2025-03-03 | ANTERO MIDSTREAM LLC, MONROE STATION | ALMA, Tyler, WV | Pass | State |
| 2025-02-13 | EQT XL MIDSTREAM OPERATING LLC, PAYNE STATION | GLEN EASTON, Marshall, WV | Pass | State |
| 2025-02-05 | APPALACHIA MIDSTREAM SERVICES, L.L.C., MILLER STATION | BANNEN, Marshall, WV | Pass | State |
| 2025-02-05 | APPALACHIA MIDSTREAM SERVICES, L.L.C., MILLER STATION | BANNEN, Marshall, WV | Pass | State |
| 2025-02-04 | EASTERN GAS TRANSMISSION AND STORAGE, INC., LIGHTBURN STATION | JANE LEW, Lewis, WV | Pass | State |
| 2025-01-28 | APPALACHIA MIDSTREAM SERVICES, L.L.C., BUFFALO STATION | BETHANY, Brooke, WV | Pass | State |
| 2025-01-13 | BLUE RACER MIDSTREAM, LLC, NATRIUM EXTRACTION & FRACTIONA | NATRIUM, Marshall, WV | Pass | State |
Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.