EPA Air · stack tests by state, industry and year

Oil and gas extraction (NAICS 2111): stack tests in Pennsylvania, 2023

401Stack 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 2023 at a Pennsylvania 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 Pennsylvania, other years

Other industries in Pennsylvania, 2023

Air-emissions stack tests recorded in Pennsylvania, 2023

Date	Facility	Where	Kind	Agency
2023-03-27	EQT ARO LLC/VARGO COMP STA — high-priority violation on file	TROUT RUN, Lycoming, PA	Pass	State
2023-03-24	MARKWEST LIBERTY MIDSTREAM & RESOURCES/LOWRY COMP STA	AVELLA, Washington, PA	Pass	State
2023-03-24	NFG MIDSTREAM TROUT RUN LLC/BODINE COMP STA	TROUT RUN, Lycoming, PA	Pass	State
2023-03-23	APPALACHIA MIDSTREAM SVC LLC/STAGECOACH COMP STA	WYALUSING, Bradford, PA	Pass	State
2023-03-23	EQUITRANS LP/JEFFERSON COMP STA	LIPPINCOTT, Greene, PA	Pass	State
2023-03-23	APPALACHIA MIDSTREAM SVC LLC/WILMOT COMP STA	WYALUSING, Bradford, PA	Pass	State
2023-03-23	EQT ARO LLC/LYCOMING H&FC COMP STA — high-priority violation on file	TROUT RUN, Lycoming, PA	Pass	State
2023-03-22	REPSOL OIL & GAS USA LLC/PUTNAM COMP STA	TROY, Bradford, PA	Pass	State
2023-03-22	SENECA RESOURCES CO LLC/BOONE MOUNTAIN COMP STA	BROOKVILLE, Elk, PA	Pass	State
2023-03-22	EQT ARO LLC/ELBOW PAD B COMP STA — high-priority violation on file	COGAN HOUSE, Lycoming, PA	Pass	State
2023-03-21	SENECA RESOURCES CO LLC/SRC COMP STA	MT. JEWETT, McKean, PA	Pass	State
2023-03-21	SENECA RESOURCES CO LLC/SRC COMP STA	MT. JEWETT, McKean, PA	Pass	State
2023-03-21	SENECA RESOURCES CO LLC/SRC COMP STA	MT. JEWETT, McKean, PA	Pass	State
2023-03-21	EQM GATHERING OPCO LLC/HALO COMP STA	SYCAMORE, Greene, PA	Pass	State
2023-03-21	EQT ARO LLC/LARRYS CREEK PAD F COMP STA	SALLADASBURG, Lycoming, PA	Pass	State
2023-03-20	EQT ARO LLC/LARRYS CREEK COMP STA	JERSEY SHORE, Lycoming, PA	Pass	State
2023-03-20	REPSOL OIL & GAS USA LLC/DCNR 010 COMP STA	MORRIS RUN, Tioga, PA	Pass	State
2023-03-16	EQT ARO LLC/TRACT 289 COMP STA — high-priority violation on file	JERSEY SHORE, Lycoming, PA	Pass	State
2023-03-15	JMG ENERGY LLC/DEER CREEK COMP STA — high-priority violation on file	MERCER, Mercer, PA	Pass	State
2023-03-15	EQT ARO LLC/TRACT 285 COMP STA	NORTH BEND, Clinton, PA	Pass	State
2023-03-15	WILLIAMS FIELD SVC CO/MACNEW COMP STA	HOP BOTTOM, Susquehanna, PA	Pass	State
2023-03-14	REPSOL OIL & GAS LLC/COLE COMP STA	TROY, Bradford, PA	Pass	State
2023-03-14	EQT ARO LLC/COP TRACT 685 COMP STA — high-priority violation on file	JERSEY SHORE, Lycoming, PA	Pass	State
2023-03-10	REPSOL OIL & GAS USA LLC/EDSELL COMP STA	LE RAYSVILLE, Bradford, PA	Pass	State
2023-03-10	MARKWEST LIBERTY MIDSTREAM & RESOURCES/MCMICHAEL COMP STA	CLINTON, Beaver, PA	Pass	State
2023-03-09	REGENCY MARCELLUS GAS GATHERING LLC/BOBST MOUNTAIN COMP STA	COGAN STA, Lycoming, PA	Pass	State
2023-03-08	MARKWEST LIBERTY BLUESTONE LLC/VOLL COMP STA	EVANS CITY, Butler, PA	Pass	State
2023-03-08	UGI TEXAS CREEK LLC/CASTLE COMP STA	CANTON, Bradford, PA	Pass	State
2023-03-07	REPSOL OIL& GAS USA LLC/REPINE COMP STA	LITTLE MEADOWS, Susquehanna, PA	Pass	State
2023-03-06	EXPAND OPERATING LLC/KATHRYN BRA PAD	WYALUSING, Bradford, PA	Pass	State
2023-03-03	APPALACHIA MIDSTREAM SVC LLC/RATTLESNAKE HILL COMP STA	AUBURN TOWNSHIP, Susquehanna, PA	Pass	State
2023-03-02	REPSOL OIL & GAS USA LLC/THOMAS COMP STA	TROY, Bradford, PA	Pass	State
2023-03-02	APPALACHIA MIDSTREAM SVC LLC/STAGECOACH COMP STA	WYALUSING, Bradford, PA	Pass	State
2023-03-02	NFG MIDSTREAM COVINGTON LLC/LAWTON COMP STA	WELLSBORO, Tioga, PA	Pass	State
2023-03-01	NFG MIDSTREAM COVINGTON LLC/COVINGTON COMP STA	COVINGTON, Tioga, PA	Pass	State
2023-03-01	NFG MIDSTREAM COVINGTON LLC/STOCK 144 COMP STA	WELLSBORO, Tioga, PA	Pass	State
2023-03-01	APPALACHIA MIDSTREAM SVC LLC/AUBURN COMP STA	MESHOPPEN, Susquehanna, PA	Pass	State
2023-03-01	CHIEF OIL & GAS TAGUE WEST COMPRESSOR	TUNKHANNOCK, Wyoming, PA	Pass	State
2023-02-28	MARKWEST LIBERTY MIDSTREAM & RESOURCES/SHAW COMP STA	WASHINGTON, Washington, PA	Pass	State
2023-02-28	REPSOL OIL AND GAS USA/TRACT 587 SFL COMP STA	CANTON, Tioga, PA	Pass	State
2023-02-28	MARKWEST LIBERTY MIDSTREAM/WELLING COMP STA	CLAYSVILLE, Washington, PA	Pass	State
2023-02-28	NFG MIDSTREAM COVINGTON LLC/KINNAN 845 WELL PAD	MIDDLEBURY, Tioga, PA	Pass	State
2023-02-27	REGENCY MARCELLUS GAS GATHERING LLC/LONE WALNUT COMP STA	JERSEY SHORE, Lycoming, PA	Pass	State
2023-02-27	NFG MIDSTREAM COVINGTON LLC/TRACT 007 COMP STA	WELLSBORO, Tioga, PA	Pass	State
2023-02-23	MARKWEST LIBERTY M&R/TUPTA DAY COMP STA	WASHINGTON, Washington, PA	Pass	State
2023-02-22	MARKWEST LIBERTY MIDST & RESOURCES/THREE BROTHERS COMP STA	BURGETTSTOWN, Washington, PA	Pass	State
2023-02-21	EXCO APPALACHIA MIDSTREAM LLC/SAWMILL COMP STA	KITTANNING, Armstrong, PA	Pass	State
2023-02-21	MAINESBURG GS LP/WELLS COMP STA	COVINGTON, Tioga, PA	Pass	State
2023-02-17	SUSQUEHANNA GATHERING/CDP 1 COMP STA	NEW MILFORD, Susquehanna, PA	Fail	State
2023-02-16	REGENCY MARCELLUS GAS GATHERING LLC/POORMAN COMP STA	LOCK HAVEN, Clinton, PA	Pass	State
2023-02-15	WYCOMP LLC/FAIRVIEW TWP COMP STA — high-priority violation on file	FREDONIA, Mercer, PA	Pass	State
2023-02-15	NFG MIDSTREAM CLERMONT LLC/RICH VALLEY COMP STA	EMPORIUM, Cameron, PA	Pass	State
2023-02-15	EXPAND OPERATING LLC/KAUFMANN WELL PAD	NEW ALBANY, Bradford, PA	Pass	State
2023-02-14	REGENCY MARCELLUS GATHERING LLC/BRADFORD WEST COMP STA	GRANVILLE SUMMIT, Bradford, PA	Pass	State
2023-02-13	NFG MIDSTREAM CLERMONT LLC/CLERMONT EAST COMP STA	WILCOX, McKean, PA	Pass	State
2023-02-10	MARKWEST LIBERTY MIDSTREAM & RESOURCES/SHAW COMP STA	WASHINGTON, Washington, PA	Pass	State
2023-02-09	BKV OPERATING LLC/BAKER WEST COMPRESSOR STATION	FORREST LAKE TWP, Susquehanna, PA	Pass	State
2023-02-07	EXPAND OPERATING LLC/STONE BRA PAD	WYALUSING, Bradford, PA	Pass	State
2023-02-06	RANGE RESOURCES APPALACHIA LLC/LAUREL HILL WELL PAD B	TROUT RUN, Lycoming, PA	Pass	State
2023-02-06	RANGE RESOURCES APPALACHIA LLC/LAUREL HILL G	TROUT RUN, Lycoming, PA	Pass	State
2023-02-02	EXPAND OPERATING LLC/WOOSMAN PAD	NEW MILFORD, Susquehanna, PA	Pass	State
2023-02-02	EXPAND OPERATING LLC/MCENANEY BRA PAD	NEW ALBANY, Bradford, PA	Pass	State
2023-02-01	SWN ENERGY PROD CO/SEYMOUR PAD	LAWTON, Bradford, PA	Pass	State
2023-02-01	EXPAND OPERATING LLC/DEER PARK PAD COMP STA	MEHOOPANY, Wyoming, PA	Pass	State
2023-02-01	EQM GATHERING OPCO LLC/REDD DEHY STATION	CHARLEROI, Washington, PA	Pass	State
2023-01-31	REGENCY MARCELLUS GAS GATHERING/CANOE RUN COMP STA	SALLADASBURG, Lycoming, PA	Pass	State
2023-01-31	EQM GATHERING OPCO LLC/SNAPPING TURTLE COMP STA	WIND RIDGE, Greene, PA	Pass	State
2023-01-27	WILLIAMS FIELD SVC CO LLC/CHURCH COMP STA	SPRINGVILLE, Susquehanna, PA	Pass	State
2023-01-26	WILLIAMS FIELD SVC CO LLC/CENTRAL COMP STA	MONTROSE, Susquehanna, PA	Pass	State
2023-01-25	EQM GATHERING OPCO LLC/JUPITER COMP STA	WAYNESBURG, Greene, PA	Pass	State
2023-01-25	EQM GATHERING OPCO LLC/JUPITER COMP STA	WAYNESBURG, Greene, PA	Pass	State
2023-01-25	LAUREL MTN MIDSTREAM OPR LLC/CANTARAL COMP STA	WAYNESBURG, Greene, PA	Pass	State
2023-01-24	CHIEF GATHERING LLC/PMG ANNIE WELLPAD	NICHOLSON, Susquehanna, PA	Pass	State
2023-01-23	NFG MIDSTREAM COVINGTON LLC/CLARK COMP STA	MAINESBURG, Tioga, PA	Pass	State
2023-01-18	EQM GATHERING OPCO LLC/IO COMP STA	WAYNESBURG, Greene, PA	Pass	State
2023-01-17	EXPAND OPERATING LLC/HOLTAN SUS WELLPAD	MESHOPPEN, Susquehanna, PA	Pass	State
2023-01-13	TEXAS EASTERN TRANS LP/TE DELMONT COMP STA	GREENSBURG, Westmoreland, PA	Pass	State
2023-01-12	TEXAS EASTERN TRANS LP/TE DELMONT COMP STA	GREENSBURG, Westmoreland, PA	Pass	State
2023-01-12	NFG MIDSTREAM COVINGTON LLC/MATZ COMP STA	CHATHAM, Tioga, PA	Pass	State
2023-01-12	HEP PENNSYLVANIA GATHERING LLC/TIOGA CPF#2 COMP STA	LIBERTY, Tioga, PA	Pass	State
2023-01-11	NATL FUEL SUPPLY CORP/BUFFALO COMP STA	WASHINGTON, Washington, PA	Pass	State
2023-01-11	EXCO APPALACHIA MIDSTREAM LLC/POVERTY HILL COMP STA	KITTANNING, Armstrong, PA	Pass	State
2023-01-11	REGENCY MARCELLUS GAS GATHERING LLC/TAYLOR COMP STA	CANTON, Bradford, PA	Pass	State
2023-01-11	EQM GATHERING OPCO LLC/BLUE MOON COMP STA	DAISYTOWN, Washington, PA	Pass	State
2023-01-11	EXPAND OPERATING LLC/MARIS SUS PAD	MESHOPPEN, Susquehanna, PA	Pass	State
2023-01-11	HEP PA GATHERING LLC/MARSHALL BOOSTER COMP STA	ROARING BRANCH, Lycoming, PA	Pass	State
2023-01-10	REGENCY MARCELLUS GAS GATHERING LLC/MEHOOPANY STA	TUNKHANNOCK, Wyoming, PA	Pass	State
2023-01-10	CNX MIDSTREAM OPR CO LLC/HOPEWELL STATION	SYCAMORE, Greene, PA	Pass	State
2023-01-10	WILLIAMS FIELD SVC CO LLC/GIBSON COMP STA	SOUTH GIBSON, Susquehanna, PA	Pass	State
2023-01-10	EXPAND OPERATING LLC/YVONNE SUS PAD	LAWTON, Susquehanna, PA	Pass	State
2023-01-09	REGENCY MARCELLUS GAS GATHERING LLC/OGONTZ EAST COMP STA	JERSEY SHORE, Lycoming, PA	Pass	State
2023-01-09	NATL FUEL GAS SUPPLY CORP/MERCER COMP STA	MERCER, Mercer, PA	Pass	State
2023-01-09	WILLIAMS FIELD SVC CO LLC/MILLER COMP STA	NEW MILFORD, Susquehanna, PA	Pass	State
2023-01-09	EXPAND OPERATING LLC/CANNELLA SUS PAD	MONTROSE, Susquehanna, PA	Pass	State
2023-01-09	EXPAND OPERATING LLC/NR-23 FOUR BUCKS PAD	SUSQUEHANNA, Susquehanna, PA	Pass	State
2023-01-09	EXPAND OPERATING LLC/RU-47 KARMAZIN PAD	SUSQUEHANNA, Susquehanna, PA	Pass	State
2023-01-05	ETC NORTHEAST FLD SVC LLC/PIKE COMP STA	ROCHESTER, Beaver, PA	Pass	State
2023-01-05	WILLIAMS FIELD SVC CO LLC/WHITE COMP STA	SPRINGVILLE, Susquehanna, PA	Pass	State
2023-01-04	REGENCY MARCELLUS GAS GATHERING LLC/QUAKER STATE RD COMP STA	MONTOURSVILLE, Lycoming, PA	Pass	State
2023-01-04	EQM GATHERING OPCO LLC/CYGRYMUS COMP STA	NEW FREEPORT, Greene, PA	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.