EPA Air · stack tests by state, industry and year

Oil and gas extraction (NAICS 2111): stack tests in Pennsylvania, 2021

341Stack 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 2021 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, 2021

Air-emissions stack tests recorded in Pennsylvania, 2021

Date	Facility	Where	Kind	Agency
2021-09-01	LAUREL MTN MIDSTREAM OPR LLC/DUNBAR COMP STA	DUNBAR, Fayette, PA	Pass	State
2021-08-30	REGENCY MARCELLUS GAS GATHERING LLC/BOBST MOUNTAIN COMP STA	COGAN STA, Lycoming, PA	Pass	State
2021-08-27	MARKWEST LIBERTY BLUESTONE LLC/ROYAL OAK COMP STA	EVANS CITY, Butler, PA	Pass	State
2021-08-26	TEXAS EASTERN TRANS LP/TE DELMONT COMP STA	GREENSBURG, Westmoreland, PA	Pass	State
2021-08-25	LAUREL MTN MIDSTREAM OPR LLC/HERMINIE COMP STA	WEST NEWTON, Westmoreland, PA	Pass	State
2021-08-25	EQM GATHERING OPCO LLC/CALLISTO COMP STA	SYCAMORE, Greene, PA	Pass	State
2021-08-23	MARKWEST LIBERTY MIDSTREAM & RESOURCES/JOHNSTON COMP STA	CANONSBURG, Washington, PA	Pass	State
2021-08-23	NATL FUEL GAS SUPPLY CORP/MERCER COMP STA	MERCER, Mercer, PA	Pass	State
2021-08-23	EXPAND OPERATING LLC/NR02 ENDLESS MOUNTAIN WELLPAD	MONTROSE, Susquehanna, PA	Pass	State
2021-08-23	COTERRA ENERGY INC/MEAD B PAD 1 — high-priority violation on file	MONTROSE, Susquehanna, PA	Pass	State
2021-08-20	CNX MIDSTREAM OPR CO LLC/BUCKLAND COMP STA	WIND RIDGE, Greene, PA	Pass	State
2021-08-19	DIVERSIFIED PROD LLC/NINEVEH 58 WELL PAD — high-priority violation on file	PROSPERITY, Washington, PA	Pass	State
2021-08-19	DIVERSIFIED PROD LLC/NV 60 WELLPAD	CLAYSVILLE, Washington, PA	Pass	State
2021-08-18	DIVERSIFIED PROD LLC/NV 34 WELLPAD — high-priority violation on file	PROSPERITY, Washington, PA	Pass	State
2021-08-18	EXPAND OPERATING LLC/MARCUCCI JONES PAD	STEVENSVILLE, Bradford, PA	Pass	State
2021-08-17	REGENCY MARCELLUS GAS GATHERING LLC/TAYLOR COMP STA	CANTON, Bradford, PA	Pass	State
2021-08-17	EXPAND OPERATING LLC/N-24 BUCKHORN WELL PAD	MONTROSE, Susquehanna, PA	Pass	State
2021-08-16	SENECA RESOURCES CORP/PHC COMP STA	CLEARFIELD, Clearfield, PA	Pass	State
2021-08-16	NFG MIDSTREAM COVINGTON LLC/SHAW COMP STA	MAINESBURG, Tioga, PA	Pass	State
2021-08-13	EXPAND OPERATING LLC/VALENTINE CPF 1	CLIFFORD, Susquehanna, PA	Pass	State
2021-08-13	CNX MIDSTREAM OPR CO LLC/NV-57 COMP STA	PROSPERITY, Washington, PA	Pass	State
2021-08-12	PEOPLES NATURAL GAS CO/ARNOLD COMP STA	NEW KENSINGTON, Westmoreland, PA	Pass	State
2021-08-11	MARKWEST LIBERTY M&R/TUPTA DAY COMP STA	WASHINGTON, Washington, PA	Pass	State
2021-08-09	MARKWEST LIBERTY MIDSTREAM/BRIGICH COMP STA	CANONSBURG, Washington, PA	Pass	State
2021-08-09	MARKWEST LIBERTY MIDSTREAM/WELLING COMP STA	CLAYSVILLE, Washington, PA	Pass	State
2021-08-05	APPALACHIA MIDSTREAM SVC LLC/RATTLESNAKE HILL COMP STA	AUBURN TOWNSHIP, Susquehanna, PA	Pass	State
2021-08-04	WILLIAMS FIELD SVC CO LLC/KANE ROAD COMP STA	MONTROSE, Susquehanna, PA	Pass	State
2021-08-04	MARKWEST LIBERTY BLUESTONE LLC/ROYAL OAK COMP STA	EVANS CITY, Butler, PA	Pass	State
2021-08-03	WILLIAMS FIELD SVC CO LLC/NORTHEAST COMP STA	HALLSTEAD, Susquehanna, PA	Pass	State
2021-08-02	WILLIAMS FIELD SVC CO LLC/SNAKE CREEK COMP STA	CLARKS SUMMIT, Susquehanna, PA	Pass	State
2021-07-28	BLACKHILL ENERGY LLC/BEARDSLEE COMP STA	TROY, Bradford, PA	Pass	State
2021-07-28	REGENCY MARCELLUS GAS GATHERING LLC/MEHOOPANY STA	TUNKHANNOCK, Wyoming, PA	Pass	State
2021-07-27	EASTERN GAS TRANS & STORAGE/RURAL VLY COMP STA	KITTANNING, Armstrong, PA	Pass	State
2021-07-26	UGI MORAINE EAST GATHERING LLC/RENICK COMP STA	WEST SUNBURY, Butler, PA	Pass	State
2021-07-26	EXPAND RUTH WYO PAD	MESHOPPEN, Wyoming, PA	Pass	State
2021-07-22	PINE RUN MIDSTREAM LLC/BASS COMP STA	SAXONBURG, Butler, PA	Pass	State
2021-07-20	HEP PENNSYLVANIA GATHERING LLC/CLARK CPF 1 COMP STA	WYSOX, Bradford, PA	Pass	State
2021-07-20	HEP PENNSYLVANIA GATHERING LLC/LAUREL HILL COMP STA	TROUT RUN, Lycoming, PA	Pass	State
2021-07-19	ETC NORTHEAST PIPELINE LLC/RED BEND COMP STA	TROUT RUN, Lycoming, PA	Pass	State
2021-07-16	COLUMBIA GAS TRANS CORP/DONEGAL COMP STA	WEST ALEXANDER, Washington, PA	Pass	State
2021-07-14	HEP PENNSYLVANIA GATHERING LLC/WHITE CPF 1 COMP STA	STEVENSVILLE, Bradford, PA	Pass	State
2021-07-14	EQM GATHERING OPCO LLC/HALO COMP STA	SYCAMORE, Greene, PA	Pass	State
2021-07-13	DIVERSIFIED PROD MARCHAND COMP STA	INDIANA, Indiana, PA	Pass	State
2021-07-13	COLUMBIA GAS TRANS LLC/IOWA COMP STA	BROOKVILLE, Jefferson, PA	Pass	State
2021-07-12	HEP PA GATHERING LLC/GREENZWEIG COMP STA	WYALUSING, Bradford, PA	Pass	State
2021-07-08	TEXAS EASTERN TRANS LP/TE DELMONT COMP STA	GREENSBURG, Westmoreland, PA	Pass	State
2021-07-08	NFG MIDSTREAM COVINGTON LLC/MATZ COMP STA	CHATHAM, Tioga, PA	Pass	State
2021-07-08	NFG MIDSTREAM COVINGTON LLC/NETTERMAN COMP STA	WELLSBORO, Tioga, PA	Pass	State
2021-07-08	REGENCY MARCELLUS GAS GATHERING LLC/ AUBURN STA	MESHOPPEN, Susquehanna, PA	Pass	State
2021-07-08	BLUESTONE PIPELINE CO OF PA CDP#5/HARFORD TWP	NEW MILFORD, Susquehanna, PA	Pass	State
2021-07-01	ETC NORTHEAST PIPELINE/GALAXY COMP STA	PARKER, Butler, PA	Pass	State
2021-06-29	LAUREL MTN MIDSTREAM OPR LLC/CLYDE COMP STA	NEW FLORENCE, Indiana, PA	Pass	State
2021-06-28	CABOT OIL & GAS CORP/FOLTZ J PAD 1	HOP BOTTOM, Susquehanna, PA	Pass	State
2021-06-25	WILLIAMS FIELD SVC CO LLC/HAWLEY COMP STA	MONTROSE, Susquehanna, PA	Pass	State
2021-06-24	CHIEF GATHERING LLC/PMG ANNIE WELLPAD	NICHOLSON, Susquehanna, PA	Pass	State
2021-06-24	EXPAND T BROWN WELL COMPRESSOR	TUNKHANNOCK, Wyoming, PA	Pass	State
2021-06-23	EQT PRODUCTION LLC/BENEZETTE COMP STA	MEDIX RUN, Elk, PA	Pass	State
2021-06-23	GREYLOCK MIDSTREAM LLC/CUMBERLAND HENDERSON COMP STA	CARMICHAELS, Greene, PA	Fail	State
2021-06-23	CHIEF OIL & GAS TAGUE WEST COMPRESSOR	TUNKHANNOCK, Wyoming, PA	Pass	State
2021-06-22	REGENCY MARCELLUS GAS GATHERING LLC/BOBST MOUNTAIN COMP STA	COGAN STA, Lycoming, PA	Pass	State
2021-06-22	BLUESTONE PIPELINE/CDP#1-A	NEW MILFORD, Susquehanna, PA	Pass	State
2021-06-22	EXPAND OPERATING LLC/PARKHURST SUS PAD	MESHOPPEN, Susquehanna, PA	Pass	State
2021-06-21	REGENCY MARCELLUS GAS GATHERING/CANOE RUN COMP STA	SALLADASBURG, Lycoming, PA	Pass	State
2021-06-17	COLUMBIA GAS TRANS CORP/WAYNESBURG COMP STA	WAYNESBURG, Greene, PA	Pass	State
2021-06-16	EQM GATHERING OPCO LLC/BLUE MOON COMP STA	DAISYTOWN, Washington, PA	Pass	State
2021-06-16	EXPAND OPER LLC/ROLAND BRA PAD	WILMONT, Bradford, PA	Pass	State
2021-06-15	REPSOL OIL & GAS LLC/COLE COMP STA	TROY, Bradford, PA	Pass	State
2021-06-15	EXPAND OPERATING LLC/KAUFMANN WELL PAD	NEW ALBANY, Bradford, PA	Pass	State
2021-06-14	EXPAND OPERATING LLC/KATIE COMPRESSOR STATION	LACEYVILLE, Susquehanna, PA	Pass	State
2021-06-10	REGENCY MARCELLUS GAS GATHERING LLC/ KORBAN COMP STA	HOP BOTTOM, Susquehanna, PA	Pass	State
2021-06-10	WILLIAMS FIELD SVC CO/POTTER COMP STA	KINGSLEY, Susquehanna, PA	Pass	State
2021-06-09	PEOPLES NATURAL GAS CO LLC/BELKNAP COMP STA	DAYTON, Armstrong, PA	Pass	State
2021-06-08	UGI TEXAS CREEK LLC/TRIMBLE COMP STA	ROARING BRANCH, Tioga, PA	Pass	State
2021-06-07	UGI TEXAS CREEK LLC/YAGGIE COMP STA	ROARING BRANCH, Tioga, PA	Pass	State
2021-06-07	ETC NORTHEAST PIPELINE LLC/RED BEND COMP STA	TROUT RUN, Lycoming, PA	Pass	State
2021-06-03	MARKWEST LIBERTY BLUESTONE LLC/BLUESTONE GAS PROC PLT	EVANS CITY, Butler, PA	Pass	State
2021-06-03	UGI AUBURN GATHERING LLC/ MANNING COMPRESSOR LNG STA	MESHOPPEN, Wyoming, PA	Pass	State
2021-06-02	UGI AUBURN GATHERING LLC/AUBURN COMP STA	AUBURN, Susquehanna, PA	Pass	State
2021-06-01	EXPAND OPERATING LLC/LU-06 FLICKS RUN EAST WELL PAD	TROUT RUN, Lycoming, PA	Pass	State
2021-05-28	ETC NORTHEAST FLD SVC LLC/PIKE COMP STA	ROCHESTER, Beaver, PA	Pass	State
2021-05-26	EQUITRANS LP/TRUITTSBURG STA	FAIRMOUNT CITY, Clarion, PA	Pass	State
2021-05-25	EXPAND OPER LLC/GU-N HEBDA VANDEMARK PAD	LACEYVILLE, Bradford, PA	Pass	State
2021-05-24	EXPAND OPERATING LLC/GU-G SOUTH WELL PAD	WYALUSING, Bradford, PA	Pass	State
2021-05-21	WILLIAMS FIELD SVC CO LLC/WILCOX COMP STA	TUNKHANNOCK, Wyoming, PA	Pass	State
2021-05-19	DIVERSIFIED PROD LLC/BROOKVILLE SOUTH COMP STA	BROOKVILLE, Jefferson, PA	Pass	State
2021-05-19	PA GEN ENERGY CO LLC/POTATO CREEK 1H COMP STA	CROSBY, McKean, PA	Pass	State
2021-05-19	PA GEN ENERGY CO LLC/POTATO CREEK 2H COMP STA	SMETHPORT, McKean, PA	Pass	State
2021-05-19	EQM GATHERING OPCO LLC/TWILIGHT COMP STA	DAISYTOWN, Washington, PA	Pass	State
2021-05-18	STAGECOACH PIPELINE & STORAGE CO LLC/MARC I M1-S COMP STA	MUNCY VALLEY, Sullivan, PA	Pass	State
2021-05-18	EQM GATHERING OPCO LLC/MAKO COMP STA	AMWELL, Washington, PA	Pass	State
2021-05-18	EXPAND OPERATING LLC/SIVERS BRA PAD	LACEYVILLE, Bradford, PA	Pass	State
2021-05-14	MARKWEST LIBERTY MIDSTREAM/BAKER COMP STA	WASHINGTON, Washington, PA	Pass	State
2021-05-14	SNYDER BROS INC/MUSHROOM MINE COMP STA	WORTHINGTON, Armstrong, PA	Pass	State
2021-05-14	HILCORP ENERGY CO/PULASKI WHITING CTL FAC — high-priority violation on file	EDINBURG, Lawrence, PA	Pass	State
2021-05-14	HILCORP ENERGY CO/NORTH BEAVER KEPHART PROD FAC	ENON VALLEY, Lawrence, PA	Pass	State
2021-05-13	SNYDER BROS INC/FURNACE RUN COMP STA	ADRIAN, Armstrong, PA	Pass	State
2021-05-13	RIVERWEST APPALACHIA MIDSTREAM LLC/CLINTON COMP STA	SARVER, Butler, PA	Pass	State
2021-05-13	HILCORP ENERGY CO/NCD CENTRAL FAC	NEW CASTLE, Lawrence, PA	Pass	State
2021-05-12	LAUREL MTN MIDSTREAM OPR LLC/BROWN COMP STA	GREENSBORO, Greene, PA	Pass	State
2021-05-12	WILLIAMS FIELD SVC CO LLC/LATHROP COMP STA	SPRINGVILLE, Susquehanna, 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.