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
2023-06-26	CNX MIDSTREAM OPR CO LLC/BELL POINT 2 M&R DEHYDRATION STA	APOLLO, Westmoreland, PA	Pass	State
2023-06-22	ONEIDA VALLEY MIDSTRAM LLC/CONSTELLATION COMP STA	WEST SUNBURY, Butler, PA	Pass	State
2023-06-20	EXPAND OPER LLC/ROLAND BRA PAD	WILMONT, Bradford, PA	Pass	State
2023-06-19	EXPAND OPERATING LLC/CURTIN WYO PAD	LACEYVILLE, Wyoming, PA	Pass	State
2023-06-15	BLUESTONE PIPELINE CO OF PA CDP#5/HARFORD TWP	NEW MILFORD, Susquehanna, PA	Pass	State
2023-06-14	PEOPLES NATURAL GAS CO LLC/BELKNAP COMP STA	DAYTON, Armstrong, PA	Pass	State
2023-06-14	EQM GATHERING OPCO LLC/BLUE MOON COMP STA	DAISYTOWN, Washington, PA	Pass	State
2023-06-13	UGI TEXAS CREEK LLC/THOMAS 808 FAC	ELK TOWNSHIP, Tioga, PA	Pass	State
2023-06-12	HILCORP ENERGY CO/JEFFERSON MONTGOMERY STA	JEFFERSON TOWNSHIP, Mercer, PA	Pass	State
2023-06-09	EXPAND OPERATING LLC/ALVAREZ BRA WELL PAD	LACEYVILLE, Bradford, PA	Pass	State
2023-06-09	EXPAND OPERATING LLC/SIVERS BRA PAD	LACEYVILLE, Bradford, PA	Pass	State
2023-06-08	UGI AUBURN GATHERING LLC/AUBURN COMP STA	AUBURN, Susquehanna, PA	Pass	State
2023-06-08	UGI TEXAS CREEK LLC/CLEGG COMP STA	TROUT RUN, Lycoming, PA	Pass	State
2023-06-08	UGI TEXAS CREEK LLC/JACKSON COMP STA	ROARING BRANCH, Tioga, PA	Pass	State
2023-06-08	UGI TEXAS CREEK LLC/CASTLE COMP STA	CANTON, Bradford, PA	Pass	State
2023-06-07	PEOPLES NATURAL GAS CO LLC/LIMESTONE COMP STA	SUMMERVILLE, Clarion, PA	Pass	State
2023-06-07	UGI TEXAS CREEK LLC/TRIMBLE COMP STA	ROARING BRANCH, Tioga, PA	Pass	State
2023-06-07	UGI TEXAS CREEK LLC/YAGGIE COMP STA	ROARING BRANCH, Tioga, PA	Pass	State
2023-06-07	UGI AUBURN GATHERING LLC/ MANNING COMPRESSOR LNG STA	MESHOPPEN, Wyoming, PA	Pass	State
2023-06-06	REGENCY MARCELLUS GAS GATHERING LLC/BOBST MOUNTAIN COMP STA	COGAN STA, Lycoming, PA	Pass	State
2023-06-06	UGI TEXAS CREEK LLC/LOVELL COMP STA	ROARING BRANCH, Tioga, PA	Pass	State
2023-06-05	MARKWEST LIBERTY MIDSTREAM/ CARPENTER COMP STA	WEST ALEXANDRIA, Washington, PA	Pass	State
2023-06-01	WCAA MIDSTREAM LLC/WEITZ SOUTH 20 COMP STA	ADAMSBURG, Westmoreland, PA	Pass	State
2023-05-31	MTN GATHERING/ADAMS COMP STA	VANDERBILT, Fayette, PA	Pass	State
2023-05-31	WILLIAMS FIELD SVC CO LLC/HAWLEY COMP STA	MONTROSE, Susquehanna, PA	Pass	State
2023-05-31	COLUMBIA GAS TRANS LLC/REDD FARM COMP STA	WASHINGTON, Washington, PA	Pass	State
2023-05-31	LOAN ASSET ISSUER LLC/WEST FINLEY 6 WELL PAD	WEST FINLEY, Washington, PA	Pass	State
2023-05-31	LOAN ASSET ISSUER LLC/WEST FINLEY 5 WELL PAD	WEST FINLEY, Washington, PA	Pass	State
2023-05-30	LOAN ASSET ISSUER LLC/WEST FINLEY 1 WELL PAD	WEST FINLEY, Washington, PA	Pass	State
2023-05-30	LOAN ASSET ISSUER LLC/WEST FINLEY 4 WELL PAD	WEST FINELY, Washington, PA	Pass	State
2023-05-25	MARKWEST LIBERTY MIDSTREAM & RESOURCES/REDD COMP STA	WASHINGTON, Washington, PA	Pass	State
2023-05-25	WILLIAMS FIELD SVC CO LLC/MILLER COMP STA	NEW MILFORD, Susquehanna, PA	Pass	State
2023-05-25	WILLIAMS FIELD SVC CO/POTTER COMP STA	KINGSLEY, Susquehanna, PA	Pass	State
2023-05-25	HILCORP ENERGY CO/NORTH BEAVER KEPHART PROD FAC	ENON VALLEY, Lawrence, PA	Pass	State
2023-05-24	REGENCY MARCELLUS GATHERING LLC/BRADFORD WEST COMP STA	GRANVILLE SUMMIT, Bradford, PA	Pass	State
2023-05-24	SNYDER BROS INC/FURNACE RUN COMP STA	ADRIAN, Armstrong, PA	Pass	State
2023-05-24	MARKWEST LIBERTY BLUESTONE LLC/BLUESTONE GAS PROC PLT	EVANS CITY, Butler, PA	Pass	State
2023-05-24	SNYDER BROS INC/AMBROSE COMP STA	ADRIAN, Armstrong, PA	Pass	State
2023-05-24	HILCORP ENERGY CO/NCD CENTRAL FAC	NEW CASTLE, Lawrence, PA	Pass	State
2023-05-24	SNYDER BROS INC/ENSIGN COMPRESSOR STATION	FREEPORT, Armstrong, PA	Pass	State
2023-05-23	REGENCY MARCELLUS GAS GATHERING/CANOE RUN COMP STA	SALLADASBURG, Lycoming, PA	Pass	State
2023-05-23	HILCORP ENERGY CO/PULASKI WHITING CTL FAC — high-priority violation on file	EDINBURG, Lawrence, PA	Pass	State
2023-05-22	SNYDER BROS INC/FURNACE RUN COMP STA	ADRIAN, Armstrong, PA	Pass	State
2023-05-22	SNYDER BROS INC/MUSHROOM MINE COMP STA	WORTHINGTON, Armstrong, PA	Pass	State
2023-05-19	MARKWEST LIBERTY MIDSTREAM/SMITH COMP STA	BURGETTSTOWN, Washington, PA	Pass	State
2023-05-18	KC MIDSTREAM SOLUTIONS LLC/OVERBEK STA	RIDGWAY, Elk, PA	Pass	State
2023-05-16	EQM GATHERING OPCO LLC/MAKO COMP STA	AMWELL, Washington, PA	Pass	State
2023-05-16	CABOT OIL & GAS CORP/FOLTZ J PAD 1	HOP BOTTOM, Susquehanna, PA	Pass	State
2023-05-16	P&G 2 WELL SITE	TUNKHANNOCK, Wyoming, PA	Pass	State
2023-05-15	COTERRA ENERGY INC/ANDERSON R PAD 1 — high-priority violation on file	MESHOPPEN, Susquehanna, PA	Pass	State
2023-05-15	COTERRA ENERGY INC/LAMBERT R PAD 1	KINGSLEY, Susquehanna, PA	Pass	State
2023-05-11	CABOT OIL & GAS CORP/TEDDICK, M. PAD 1	KINGSLEY, Susquehanna, PA	Pass	State
2023-05-11	CABOT OIL & GAS CORP/JEFFERS FARMS PAD 5	GIBSON, Susquehanna, PA	Pass	State
2023-05-10	EQUITRANS LP/TRUITTSBURG STA	FAIRMOUNT CITY, Clarion, PA	Fail	State
2023-05-10	MARKWEST LIBERTY MIDSTREAM & RESOURCES/SHAW COMP STA	WASHINGTON, Washington, PA	Pass	State
2023-05-09	EXPAND OPER LLC/GU-N HEBDA VANDEMARK PAD	LACEYVILLE, Bradford, PA	Pass	State
2023-05-05	EXPAND OPER LLC/TI-46-BLISS WELL PAD	LIBERTY, Tioga, PA	Pass	State
2023-05-04	MARKWEST LIBERTY MIDSTREAM/ CARPENTER COMP STA	WEST ALEXANDRIA, Washington, PA	Pass	State
2023-05-04	EXPAND OPERATING LLC/JES BRA WELL PAD	WILMONT, Bradford, PA	Pass	State
2023-05-04	EXPAND OPERATING LLC/CERCA BRA PAD	WYALUSING, Bradford, PA	Pass	State
2023-05-04	EXPAND OPERATING LLC/ RU-13 TONYA EAST PAD	NEW MILFORD, Susquehanna, PA	Pass	State
2023-05-03	MARKWEST LIBERTY MIDSTREAM & RESOURCES/LOWRY COMP STA	AVELLA, Washington, PA	Pass	State
2023-05-03	EXPAND OPERATING LLC/NR02 ENDLESS MOUNTAIN WELLPAD	MONTROSE, Susquehanna, PA	Pass	State
2023-05-01	EXPAND OPERATING LLC/LU-06 FLICKS RUN EAST WELL PAD	TROUT RUN, Lycoming, PA	Pass	State
2023-04-27	REGENCY MARCELLUS GAS GATHERING LLC/SEVERCOOL STA	FORKSTON, Wyoming, PA	Pass	State
2023-04-27	EXPAND OPERATING LLC/MCGAVIN WELL PAD	MESHOPPEN, Susquehanna, PA	Pass	State
2023-04-26	EQM GATHERING OPCO LLC/TWILIGHT COMP STA	DAISYTOWN, Washington, PA	Pass	State
2023-04-26	MARKWEST LIBERTY MIDST & RESOURCES/THREE BROTHERS COMP STA	BURGETTSTOWN, Washington, PA	Pass	State
2023-04-26	NFG MIDSTREAM CLERMONT LLC/CLERMONT WEST COMP STA	EMPORIUM, Elk, PA	Pass	State
2023-04-26	REGENCY MARCELLUS GAS GATHERING LLC/ AUBURN STA	MESHOPPEN, Susquehanna, PA	Pass	State
2023-04-25	PEOPLES NATURAL GAS CO LLC/CREEKSIDE COMP STA	INDIANA, Indiana, PA	Pass	State
2023-04-25	LAUREL MTN MIDSTREAM OPR LLC/BROWN COMP STA	GREENSBORO, Greene, PA	Pass	State
2023-04-25	PIN OAK ENERGY PARTNERS LLC/APTED COMP STA	GARARDS FORT, Greene, PA	Pass	State
2023-04-25	REGENCY MARCELLUS GAS GATHERING LLC/OGONTZ WEST COMP STA	CUMMINS TWP, Lycoming, PA	Pass	State
2023-04-25	RIVERWEST APPALACHIA MIDSTREAM LLC/CLINTON COMP STA	SARVER, Butler, PA	Pass	State
2023-04-25	EXPAND OPERATING LLC/GU-VW MCMAHON WELL PAD	STEVENSVILLE, Bradford, PA	Pass	State
2023-04-20	WILLIAMS FIELD SVC CO LLC/WILCOX COMP STA	TUNKHANNOCK, Wyoming, PA	Pass	State
2023-04-20	EQM GATHERING OPCO LLC/EUROPA COMP STA	CENTER, Greene, PA	Pass	State
2023-04-20	EXPAND OPERATING LLC/MASSO SUS PAD	MESHOPPEN, Susquehanna, PA	Pass	State
2023-04-20	EXPAND OPERATING LLC/GU-G SOUTH WELL PAD	WYALUSING, Bradford, PA	Pass	State
2023-04-19	DIVERSIFIED PROD LLC/BROOKVILLE SOUTH COMP STA	BROOKVILLE, Jefferson, PA	Pass	State
2023-04-19	WILLIAMS FIELD SVC CO LLC/SHIELDS COMP STA	SPRINGVILLE, Susquehanna, PA	Pass	State
2023-04-18	LAUREL MTN MIDSTREAM OPR LLC/SHAMROCK COMP STA — high-priority violation on file	SALEM, Fayette, PA	Pass	State
2023-04-18	EQM GATHERING OPCO LLC/TERRA COMP STA	PLUM CREEK, Armstrong, PA	Pass	State
2023-04-17	WILLIAMS FIELD SVC CO LLC/FRASER COMP STA	MONTROSE, Susquehanna, PA	Pass	State
2023-04-13	MARKWEST LIBERTY MIDSTREAM & RESOURCES/MCMICHAEL COMP STA	CLINTON, Beaver, PA	Pass	State
2023-04-13	CNX MIDSTREAM OPR CO LLC/BUCKLAND COMP STA	WIND RIDGE, Greene, PA	Pass	State
2023-04-12	MARKWEST LIBERTY MIDSTREAM/BAKER COMP STA	WASHINGTON, Washington, PA	Pass	State
2023-04-11	CNX MIDSTREAM OPR CO LLC/MAMONT COMP STA	APOLLO, Westmoreland, PA	Pass	State
2023-04-11	PINE RUN MIDSTREAM LLC/TROUT COMP STA	WORTHINGTON, Armstrong, PA	Pass	State
2023-04-05	COLUMBIA GAS TRANS CORP/DONEGAL COMP STA	WEST ALEXANDER, Washington, PA	Pass	State
2023-04-05	LAUREL MTN MIDSTREAM OPR LLC/HERMINIE COMP STA	WEST NEWTON, Westmoreland, PA	Pass	State
2023-04-05	MARKWEST LIBERTY MIDSTREAM/BRIGICH COMP STA	CANONSBURG, Washington, PA	Pass	State
2023-04-04	WILLIAMS FIELD SVC CO LLC/TEEL COMP STA	SPRINGVILLE, Susquehanna, PA	Pass	State
2023-04-04	MARKWEST LIBERTY MIDSTREAM/SMITH COMP STA	BURGETTSTOWN, Washington, PA	Pass	State
2023-04-03	FAIRMAN CORP/BIG RUN COMP STA	PUNXSUTAWNEY, Jefferson, PA	Pass	State
2023-04-03	REGENCY MARCELLUS GATHERING LLC/BRADFORD WEST COMP STA	GRANVILLE SUMMIT, Bradford, PA	Pass	State
2023-04-03	MARKWEST LIBERTY MIDSTREAM/WELLING COMP STA	CLAYSVILLE, Washington, PA	Pass	State
2023-03-30	EXPAND T BROWN WELL COMPRESSOR	TUNKHANNOCK, Wyoming, PA	Pass	State
2023-03-28	REGENCY MARCELLUS GAS GATHERING LLC/TAYLOR COMP STA	CANTON, Bradford, 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.