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
2023-12-21	WARRINER, S PAD 1 — high-priority violation on file	MONTROSE, Susquehanna, PA	Pass	State
2023-12-20	ETC NORTHEAST FLD SVC LLC/PIKE COMP STA	ROCHESTER, Beaver, PA	Pass	State
2023-12-20	CHIEF GATHERING LLC/PMG ANNIE WELLPAD	NICHOLSON, Susquehanna, PA	Pass	State
2023-12-20	TSOUROUS, A. PAD 1	MONTROSE, Susquehanna, PA	Pass	State
2023-12-19	MOGRIDGE, C. PAD 1 — high-priority violation on file	SPRINGVILLE, Susquehanna, PA	Pass	State
2023-12-19	AUSTIN, E. PAD 1	HOP BOTTOM, Susquehanna, PA	Pass	State
2023-12-18	EQM GATHERING OPCO LLC/TERRA COMP STA	PLUM CREEK, Armstrong, PA	Pass	State
2023-12-18	EXPAND OPERATING LLC/HOLTAN SUS WELLPAD	MESHOPPEN, Susquehanna, PA	Pass	State
2023-12-15	GREYLOCK MIDSTREAM LLC/KUHL-SKIB COMP STA	JEFFERSON, Greene, PA	Pass	State
2023-12-15	REGENCY MARCELLUS GAS GATHERING LLC/ AUBURN STA	MESHOPPEN, Susquehanna, PA	Pass	State
2023-12-14	LAUREL MTN MIDSTREAM OPR LLC/PRAH COMP STA	MCCLELLANDTOWN, Fayette, PA	Pass	State
2023-12-14	REGENCY MARCELLUS GAS GATHERING LLC/ HIRKEY COMP STA	TUNKHANNOCK, Wyoming, PA	Pass	State
2023-12-12	PA GEN ENERGY CO LLC/TRACT 729 COMPRESSOR STATION	WATERVILLE, Lycoming, PA	Pass	State
2023-12-11	EXPAND OPERATING LLC/YVONNE SUS PAD	LAWTON, Susquehanna, PA	Pass	State
2023-12-08	TEXAS EASTERN TRANS LP/TE DELMONT COMP STA	GREENSBURG, Westmoreland, PA	Pass	State
2023-12-07	EXPAND OPER LLC/GU-N HEBDA VANDEMARK PAD	LACEYVILLE, Bradford, PA	Pass	State
2023-12-07	NFG MIDSTREAM COVINGTON LLC/GEE 848 WELL PAD	MIDDLEBURY CENTER, Tioga, PA	Pass	State
2023-12-06	REGENCY MARCELLUS GAS GATHERING LLC/TAYLOR COMP STA	CANTON, Bradford, PA	Pass	State
2023-12-06	NFG MIDSTREAM COVINGTON LLC/FULLER 826N WELL PAD	MIDDLEBURY, Tioga, PA	Pass	State
2023-12-05	MARKWEST LIBERTY MIDSTREAM & RESOURCES/GODWIN COMP STA	WASHINGTON, Washington, PA	Pass	State
2023-12-05	ETC NORTHEAST FLD SVC LLC/PIKE COMP STA	ROCHESTER, Beaver, PA	Pass	State
2023-12-05	NFG MIDSTREAM TROUT RUN LLC/TROUT RUN MTN COMP STA	TROUT RUN, Lycoming, PA	Pass	State
2023-12-05	NFG MIDSTREAM COVINGTON LLC/KINNAN 845 WELL PAD	MIDDLEBURY, Tioga, PA	Pass	State
2023-12-05	EXPAND OPERATING LLC/RU-75 SGL-A WELLPAD	NEW MILFORD, Susquehanna, PA	Pass	State
2023-11-30	PA GEN ENERGY CO LLC/REED RUN STILL PAD A COMP STA — high-priority violation on file	SMETHPORT, McKean, PA	Pass	State
2023-11-28	EASTERN GAS TRANS & STORAGE/CHAMBERSBURG COMP STA	CHAMBERSBURG, Franklin, PA	Pass	State
2023-11-28	WILLIAMS FIELD SVC CO LLC/LATHROP COMP STA	SPRINGVILLE, Susquehanna, PA	Pass	State
2023-11-28	EXPAND OPERATING LLC/CANNELLA SUS PAD	MONTROSE, Susquehanna, PA	Pass	State
2023-11-27	WILLIAMS FIELD SVC CO LLC/SHIELDS COMP STA	SPRINGVILLE, Susquehanna, PA	Pass	State
2023-11-27	EXPAND OPERATING LLC/MARIS SUS PAD	MESHOPPEN, Susquehanna, PA	Pass	State
2023-11-21	EXPAND OPERATING LLC/FERRARO WELL PAD	NEW ALBANY, Bradford, PA	Pass	State
2023-11-21	EXPAND OPERATING LLC/RU-47 KARMAZIN PAD	SUSQUEHANNA, Susquehanna, PA	Pass	State
2023-11-20	EXCO APPLACHIA MIDSTREAM LLC/CONFER COMP STA	BURNSIDE TWP, Centre, PA	Pass	State
2023-11-20	BLUESTONE PIPELINE CO OF PA/HARMONY COMP STA	SUSQUEHANNA, Susquehanna, PA	Pass	State
2023-11-16	CAREY, R. PAD 1	KINGSLEY, Susquehanna, PA	Pass	State
2023-11-16	RAG APPLE LLC PAD 1 — high-priority violation on file	MONTROSE, Susquehanna, PA	Pass	State
2023-11-16	JHHC PAD 1 — high-priority violation on file	MONTROSE, Susquehanna, PA	Pass	State
2023-11-16	PENNAY, G PAD 1	KINGSLEY, Susquehanna, PA	Pass	State
2023-11-15	EXPAND OPERATING LLC/NOWICKI PAD NR25	SUSQUEHANNA, Susquehanna, PA	Pass	State
2023-11-15	POWERS, M. PAD 1	MESHOPPEN, Susquehanna, PA	Fail	State
2023-11-15	RUSSO, B. PAD 1 — high-priority violation on file	SPRINGVILLE, Susquehanna, PA	Pass	State
2023-11-14	NFG MIDSTREAM COVINGTON LLC/SHAW COMP STA	MAINESBURG, Tioga, PA	Fail	State
2023-11-14	EQUITRANS LP/JEFFERSON COMP STA	LIPPINCOTT, Greene, PA	Pass	State
2023-11-13	NFG MIDSTREAM COVINGTON LLC/TRACT 007 COMP STA	WELLSBORO, Tioga, PA	Pass	State
2023-11-13	LAUREL HILL PAD A 12635	LIBERTY, Lycoming, PA	Pass	State
2023-11-10	COLUMBIA GAS TRANS LLC/REDD FARM COMP STA	WASHINGTON, Washington, PA	Pass	State
2023-11-07	EQM GATHERING OPCO LLC/TERRA COMP STA	PLUM CREEK, Armstrong, PA	Pass	State
2023-11-07	WILLIAMS FIELD SVC CO LLC/JONES COMP STA	FRIENDSVILLE, Susquehanna, PA	Pass	State
2023-11-07	WILLIAMS FIELD SVC CO LLC/JONES COMP STA	FRIENDSVILLE, Susquehanna, PA	Pass	State
2023-11-02	ETC NORTHEAST PIPELINE LLC/BARTO COMP STA	HUGHESVILLE, Lycoming, PA	Pass	State
2023-11-01	WILLIAMS FIELD SVC CO LLC/WILCOX COMP STA	TUNKHANNOCK, Wyoming, PA	Pass	State
2023-10-31	WILLIAMS FIELD SVC CO LLC/LATHROP COMP STA	SPRINGVILLE, Susquehanna, PA	Pass	State
2023-10-31	EQM GATHERING OPCO LLC/MCINTOSH COMP STA	FINLEYVILLE, Washington, PA	Pass	State
2023-10-31	COTERRA ENERGY INC/ADAMS J PAD 1	KINGSLEY, Susquehanna, PA	Pass	State
2023-10-30	EQM GATHERING OPCO LLC/SGL 179 DEHY	NEW FREEOIRT, Greene, PA	Pass	State
2023-10-27	WILLIAMS FIELD SVC CO LLC/JONES COMP STA	FRIENDSVILLE, Susquehanna, PA	Pending	State
2023-10-25	NFG MIDSTREAM CLERMONT LLC/CLERMONT EAST COMP STA	WILCOX, McKean, PA	Pass	State
2023-10-25	CNX MIDSTREAM OPR CO LLC/BUCKLAND COMP STA	WIND RIDGE, Greene, PA	Pass	State
2023-10-24	EQM GATHERING OPCO LLC/CYGRYMUS COMP STA	NEW FREEPORT, Greene, PA	Pass	State
2023-10-24	WILLIAMS FIELD SVC CO LLC/JONES COMP STA	FRIENDSVILLE, Susquehanna, PA	Pass	State
2023-10-19	SNYDER BROS INC/COTTAGE HILL COMP STA	NEW BETHELHEM, Clarion, PA	Pass	State
2023-10-19	MARKWEST LIBERTY BLUESTONE LLC/SARSEN GAS PROC PLT	EVANS CITY, Butler, PA	Pass	State
2023-10-19	EXPAND OPER LLC/TI-46-BLISS WELL PAD	LIBERTY, Tioga, PA	Pass	State
2023-10-18	UGI GIBRALTAR GATHERING LLC/GIBRALTAR COMP STA	CLAYSVILLE, Washington, PA	Pass	State
2023-10-17	MARKWEST LIBERTY MIDSTREAM RES/DOWN HOME COMPRESSOR STATION	ROBINSON TWP, Washington, PA	Pass	State
2023-10-17	WCAA MIDSTREAM LLC/WEITZ SOUTH 20 COMP STA	ADAMSBURG, Westmoreland, PA	Pass	State
2023-10-16	PINE RUN MIDSTREAM LLC/BICKER COMP STA	CABOT, Butler, PA	Pass	State
2023-10-12	REGENCY MARCELLUS GAS GATHERING LLC/OGONTZ WEST COMP STA	CUMMINS TWP, Lycoming, PA	Pass	State
2023-10-11	TEXAS EASTERN TRANS LP/TE DELMONT COMP STA	GREENSBURG, Westmoreland, PA	Pass	State
2023-10-11	COLUMBIA GAS TRANS CORP/ELLWOOD CITY STA	ELLWOOD CITY, Beaver, PA	Pass	State
2023-10-11	MARKWEST LIBERTY MIDSTREAM/SMITH COMP STA	BURGETTSTOWN, Washington, PA	Pass	State
2023-10-11	PA GEN ENERGY CO LLC/COP TRACT 293 COMP STA	WATERVILLE, Lycoming, PA	Pass	State
2023-10-10	COLUMBIA GAS TRANS CORP/CGT DELMONT COMP STA	DELMONT, Westmoreland, PA	Pass	State
2023-10-10	SWN PROD CO LLC/DEPUE COMP STA	MONTROSE, Susquehanna, PA	Pass	State
2023-10-10	UGI AUBURN GATHERING LLC/ MANNING COMPRESSOR LNG STA	MESHOPPEN, Wyoming, PA	Pass	State
2023-10-05	EXPAND OPERATING LLC/GU-VW MCMAHON WELL PAD	STEVENSVILLE, Bradford, PA	Pass	State
2023-10-05	EXPAND OPERATING LLC/GU-VW MCMAHON WELL PAD	STEVENSVILLE, Bradford, PA	Pass	State
2023-10-04	DIVERSIFIED PROD LLC/NV 34 WELLPAD — high-priority violation on file	PROSPERITY, Washington, PA	Pass	State
2023-10-04	CABOT OIL & GAS CORP/KROPA, T. PAD 1	SPRINGVILLE, Susquehanna, PA	Pass	State
2023-10-03	CABOT OIL & GAS CORP/BISHOP, B PAD 1	SPRINGVILLE, Susquehanna, PA	Pass	State
2023-10-03	CABOT OIL & GAS CORP/MAKOSKY T PAD 1	KINGSLEY, Susquehanna, PA	Pass	State
2023-10-02	NFG MIDSTREAM COVINGTON LLC/KRAUSE COMP STA	MAINESBURG, Tioga, PA	Fail	State
2023-10-02	BKV OPR LLC/P & G WAREHOUSE PAD	MESHOPPEN, Wyoming, PA	Pass	State
2023-09-28	NATL FUEL SUPPLY CORP/BUFFALO COMP STA	WASHINGTON, Washington, PA	Pass	State
2023-09-28	APPALACHIA MIDSTREAM SVC LLC/STONEHOUSE COMP STA	RUSH, Susquehanna, PA	Pass	State
2023-09-27	DIVERSIFIED MIDSTREAM LLC/TIOGA COMP STA	WELLSBORO, Tioga, PA	Pass	State
2023-09-27	WILLIAMS FIELD SVC CO LLC/ZICK COMP STA	KINGSLEY, Susquehanna, PA	Pass	State
2023-09-26	EQT ARO LLC/LARRYS CREEK COMP STA	JERSEY SHORE, Lycoming, PA	Pass	State
2023-09-26	JKLM ENERGY LLC/HEADWATERS 145 WELL PAD	ULYSSES, Potter, PA	Pass	State
2023-09-25	WILLIAMS FIELD SVC CO LLC/CENTRAL COMP STA	MONTROSE, Susquehanna, PA	Pass	State
2023-09-22	MARKWEST LIBERTY MIDSTREAM & RESOURCES/GODWIN COMP STA	WASHINGTON, Washington, PA	Pass	State
2023-09-22	APPALACHIA MIDSTREAM SVC LLC/CHERRY COMP STA	DUSHORE, Sullivan, PA	Pass	State
2023-09-22	NFG MIDSTREAM COVINGTON LLC/CLARK COMP STA	MAINESBURG, Tioga, PA	Pass	State
2023-09-22	EXPAND OPERATING LLC/NICKOLYN WELL PAD	AUBURN, Susquehanna, PA	Pass	State
2023-09-21	WILLIAMS FIELD SVC CO LLC/LATHROP COMP STA	SPRINGVILLE, Susquehanna, PA	Pass	State
2023-09-21	REGENCY MARCELLUS GAS GATHERING LLC/MEHOOPANY STA	TUNKHANNOCK, Wyoming, PA	Pass	State
2023-09-20	APPALACHIA MIDSTREAM SVC LLC/GRANVILLE STA 2	GRANVILLE SUMMIT, Bradford, PA	Pass	State
2023-09-20	MARKWEST LIBERTY MIDSTREAM/WELLING COMP STA	CLAYSVILLE, Washington, PA	Pass	State
2023-09-20	WILLIAMS FIELD SVC CO LLC/SHASKAS COMP STA	MONTROSE, Susquehanna, PA	Pass	State
2023-09-20	DIVERSIFIED PROD LLC/NINEVEH 58 WELL PAD — high-priority violation on file	PROSPERITY, Washington, 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.