EPA Air · stack tests by state and year

Air-emissions stack tests in Pennsylvania, 2021

788Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in Pennsylvania during 2021; one facility can appear more than once, because this is a record of what happened rather than a list of places.

Counties in Pennsylvania, 2021

Pennsylvania, other years

Air-emissions stack tests recorded in Pennsylvania, 2021

Date	Facility	Where	Kind	Agency
2021-05-11	YORK GROUP INC/BLACK BRIDGE RD	YORK, York, PA	Fail	State
2021-05-11	WILLIAMS FIELD SVC CO LLC/JONES COMP STA	FRIENDSVILLE, Susquehanna, PA	Pass	State
2021-05-11	UNIV OF PGH/PGH CAMPUS	PITTSBURGH, Allegheny, PA	Pass	State
2021-05-10	PA GEN ENERGY CO LLC/TRACT 729 COMPRESSOR STATION	WATERVILLE, Lycoming, PA	Pass	State
2021-05-08	MARKWEST LIBERTY MIDSTREAM & RESOURCES/LOWRY COMP STA	AVELLA, Washington, PA	Pass	State
2021-05-07	JOHNSON MATTHEY/WAYNE PLT	WAYNE, Chester, PA	Pass	State
2021-05-07	MARKWEST LIBERTY MIDSTREAM/ CARPENTER COMP STA	WEST ALEXANDRIA, Washington, PA	Pass	State
2021-05-07	AMAZON/NORRISTOWN	NORRISTOWN, Montgomery, PA	Pass	State
2021-05-06	UNITED REFINING CO/WARREN PLT	WARREN, Warren, PA	Pass	State
2021-05-06	O-I GLASS INC/OWENS BROCKWAY GLASS CONTAINER PLT 19	BROCKPORT, Jefferson, PA	Pass	State
2021-05-06	UGI GIBRALTAR GATHERING LLC/GIBRALTAR COMP STA	CLAYSVILLE, Washington, PA	Pass	State
2021-05-06	COTERRA ENERGY INC/ANDERSON R PAD 1 — high-priority violation on file	MESHOPPEN, Susquehanna, PA	Pass	State
2021-05-05	CNTY LDFL INC/CNTY ENVIRONMENTAL OF CLARION	LEEPER, Clarion, PA	Pass	State
2021-05-05	O-I GLASS INC/OWENS BROCKWAY GLASS CONTAINER PLT 19	BROCKPORT, Jefferson, PA	Pass	State
2021-05-05	EQM GATHERING OPCO LLC/KRYPTONITE COMP STA	WASHINGTON, Washington, PA	Pass	State
2021-05-05	CABOT OIL & GAS CORP/TEDDICK, M. PAD 1	KINGSLEY, Susquehanna, PA	Pass	State
2021-05-05	CABOT OIL & GAS CORP/JEFFERS FARMS PAD 5	GIBSON, Susquehanna, PA	Pass	State
2021-05-04	PEOPLES NATURAL GAS CO LLC/VALLEY STA	YATESBORO, Armstrong, PA	Pass	State
2021-05-04	SUSQUEHANNA GATHERING CO 1 LLC/CDP 3	NEW MILFORD, Susquehanna, PA	Pass	State
2021-05-03	LAUREL MTN MIDSTREAM OPR LLC/SHAMROCK COMP STA — high-priority violation on file	SALEM, Fayette, PA	Pass	State
2021-05-03	MARKWEST LIBERTY MIDST & RESOURCES/THREE BROTHERS COMP STA	BURGETTSTOWN, Washington, PA	Pass	State
2021-05-01	BUCKEYE TERMINALS, LLC/INDIANOLA	INDIANOLA, Allegheny, PA	Pass	Local
2021-04-30	GREYLOCK MIDSTREAM LLC/VERES COMP STA	WAYNESBURG, Greene, PA	Pass	State
2021-04-29	PIN OAK ENERGY PARTNERS LLC/APTED COMP STA	GARARDS FORT, Greene, PA	Pass	State
2021-04-29	REGENCY MARCELLUS GAS GATHERING LLC/TEEL COMP STA	SPRINGVILLE, Susquehanna, PA	Pass	State
2021-04-28	EASTERN GAS TRANS & STORAGE INC/HARRISON STA	HARRISON VALLEY, Potter, PA	Pass	State
2021-04-28	PEOPLES NATURAL GAS CO LLC/GIRTY STA	SHELOCTA, Armstrong, PA	Pass	State
2021-04-28	ARMSTRONG CEMENT & SUPPLY/WINFIELD — high-priority violation on file	CABOT, Butler, PA	Pass	State
2021-04-28	ETC NORTHEAST PIPELINE LLC/BARTO COMP STA	HUGHESVILLE, Lycoming, PA	Pass	State
2021-04-28	MARKWEST LIBERTY MIDSTREAM & RESOURCES/REDD COMP STA	WASHINGTON, Washington, PA	Pass	State
2021-04-28	HAMMERHEAD MIDSTREAM LLC/ANCHOR COMP STA	WAYNESBURG, Greene, PA	Pass	State
2021-04-27	REGENCY MARCELLUS GAS GATHERING/CANOE RUN COMP STA	SALLADASBURG, Lycoming, PA	Pass	State
2021-04-27	MARKWEST LIBERTY MIDSTREAM & RESOURCES/SHAW COMP STA	WASHINGTON, Washington, PA	Pass	State
2021-04-27	WASTE MGMT OF FAIRLESS/FAIRLESS LDFL — high-priority violation on file	MORRISVILLE, Bucks, PA	Fail	State
2021-04-27	WILLIAMS FIELD SVC CO LLC/SHIELDS COMP STA	SPRINGVILLE, Susquehanna, PA	Pass	State
2021-04-27	EQM GATHERING OPCO LLC/EUROPA COMP STA	CENTER, Greene, PA	Pass	State
2021-04-26	WILLIAMS FIELD SVC CO LLC/FRASER COMP STA	MONTROSE, Susquehanna, PA	Pass	State
2021-04-23	FRES-CO SYSTEM USA INC/TELFORD PLT — high-priority violation on file	TELFORD, Bucks, PA	Pass	State
2021-04-23	HERSHEY CO/WWTP	HERSHEY, Dauphin, PA	Pass	State
2021-04-22	WATCO TRANSLOADING LLC/INDUSTRY LOT 1	INDUSTRY, Beaver, PA	Pass	State
2021-04-22	MOSTOLLER LDFL INC/MOSTOLLER MUNICIPAL WASTE LDFL	SOMERSET, Somerset, PA	Pass	State
2021-04-22	ETC NORTHEAST PIPELINE/GALAXY COMP STA	PARKER, Butler, PA	Pass	State
2021-04-22	ETC NORTHEAST PIPELINE/GALAXY COMP STA	PARKER, Butler, PA	Fail	State
2021-04-21	COLLEGEVILLE HOLDINGS LLC/COLLEGEVILLE	COLLEGEVILLE, Montgomery, PA	Pass	State
2021-04-21	EQT ARO LLC/COP TRACT 685 COMP STA — high-priority violation on file	JERSEY SHORE, Lycoming, PA	Pass	State
2021-04-21	CNX MIDSTREAM OPR CO LLC/BUCKLAND COMP STA	WIND RIDGE, Greene, PA	Pass	State
2021-04-20	ASC ENGINEERED SOLUTIONS LLC/COLUMBIA FKA ANVIL	COLUMBIA, Lancaster, PA	Pass	State
2021-04-20	VICTAULIC COMPANY/ALBURTIS FACILITY	ALBURTIS, Lehigh, PA	Pass	State
2021-04-20	PIN OAK MIDSTREAM LLC/TOWNVILLE COMP STA — high-priority violation on file	TOWNVILLE, Crawford, PA	Pass	State
2021-04-20	CNX MIDSTREAM OPR CO LLC/MAMONT COMP STA	APOLLO, Westmoreland, PA	Pass	State
2021-04-20	EQT ARO LLC/TRACT 285 COMP STA	NORTH BEND, Clinton, PA	Pass	State
2021-04-20	SERVSTEEL INC/MORGAN	MORGAN, Allegheny, PA	Fail	Local
2021-04-19	MARKWEST LIBERTY BLUESTONE LLC/BLUESTONE GAS PROC PLT	EVANS CITY, Butler, PA	Pass	State
2021-04-19	EQT ARO LLC/TRACT 289 COMP STA — high-priority violation on file	JERSEY SHORE, Lycoming, PA	Pass	State
2021-04-19	NFG MIDSTREAM COVINGTON LLC/BREON COMP STA	MANSFIELD, Tioga, PA	Pass	State
2021-04-19	EXPAND OPERATING LLC/MASSO SUS PAD	MESHOPPEN, Susquehanna, PA	Pass	State
2021-04-16	HEIDELBERG MATERIALS US CEMENT LLC/EVANSVILLE CEMENT PLT & Q — high-priority violation on file	FLEETWOOD, Berks, PA	Pass	State
2021-04-16	MOXIE FREEDOM GENERATION PLANT/SALEM TWP	BERWICK, Luzerne, PA	Pass	State
2021-04-15	MARKWEST LIBERTY MIDSTREAM/DRYER BOOSTER COMP STA	AVELLA, Washington, PA	Pass	State
2021-04-15	PINE RUN MIDSTREAM LLC/TROUT COMP STA	WORTHINGTON, Armstrong, PA	Pass	State
2021-04-15	EQT ARO LLC/ELBOW PAD B COMP STA — high-priority violation on file	COGAN HOUSE, Lycoming, PA	Pass	State
2021-04-15	EQT ARO LLC/LARRYS CREEK PAD F COMP STA	SALLADASBURG, Lycoming, PA	Pass	State
2021-04-15	ARCHER DANIELS MIDLAND CO/FALLS TWP	LANGHORNE, Bucks, PA	Pass	State
2021-04-14	TEXAS EASTERN TRANS LP/LILLY STA	LILLY, Cambria, PA	Pass	State
2021-04-14	PERRYMAN CO/TITANIUM CONVERSION FAC — high-priority violation on file	HOUSTON, Washington, PA	Fail	State
2021-04-14	MARKWEST LIBERTY MIDSTREAM/BRIGICH COMP STA	CANONSBURG, Washington, PA	Pass	State
2021-04-14	APPALACHIA MIDSTREAM SVC LLC/STAGECOACH COMP STA	WYALUSING, Bradford, PA	Pass	State
2021-04-14	EQT ARO LLC/LARRYS CREEK COMP STA	JERSEY SHORE, Lycoming, PA	Pass	State
2021-04-14	EQM GATHERING OPCO LLC/KRYPTONITE COMP STA	WASHINGTON, Washington, PA	Pass	State
2021-04-13	EASTERN GAS TRANS & STORAGE INC/SOUTH BEND COMP STA	SHELOCTA, Armstrong, PA	Pass	State
2021-04-13	DOMTAR PAPER CO/JOHNSONBURG MILL — high-priority violation on file	JOHNSONBURG, Elk, PA	Pass	State
2021-04-13	MARKWEST LIBERTY MIDSTREAM & RESOURCES/NANCY STEWART	MOUNT PLEASANT, Washington, PA	Pass	State
2021-04-13	DIVERSIFIED PROD MARCHAND COMP STA	INDIANA, Indiana, PA	Pass	State
2021-04-13	EQT ARO LLC/LYCOMING H&FC COMP STA — high-priority violation on file	TROUT RUN, Lycoming, PA	Pass	State
2021-04-12	LEHIGH WHITE CEMENT CO LLC/YORK	YORK, York, PA	Pass	State
2021-04-12	TEXAS EASTERN TRANS LP/ENTRIKEN STA	ENTRIKEN, Huntingdon, PA	Pass	State
2021-04-12	RAUSCH CREEK GENERATION LLC/FRAILEY TWP — high-priority violation on file	TREMONT, Schuylkill, PA	Pass	State
2021-04-12	EQT ARO LLC/VARGO COMP STA — high-priority violation on file	TROUT RUN, Lycoming, PA	Pass	State
2021-04-12	RANGE RESOURCES APPALACHIA LLC/LAUREL HILL WELL PAD B	TROUT RUN, Lycoming, PA	Pass	State
2021-04-12	RANGE RESOURCES APPALACHIA LLC/LAUREL HILL G	TROUT RUN, Lycoming, PA	Pass	State
2021-04-10	DOMTAR PAPER CO/JOHNSONBURG MILL — high-priority violation on file	JOHNSONBURG, Elk, PA	Pass	State
2021-04-09	MARKWEST LIBERTY MIDSTREAM/BAKER COMP STA	WASHINGTON, Washington, PA	Pass	State
2021-04-08	LANCASTER CNTY RRF/ LANCASTER — high-priority violation on file	BAINBRIDGE, Lancaster, PA	Pass	State
2021-04-08	PERDUE AGRIBUSINESS LLC/BAINBRIDGE — high-priority violation on file	MARIETTA, Lancaster, PA	Fail	State
2021-04-07	ETC NORTHEAST PIPELINE/REVOLUTION CRYO PLT	BULGER, Washington, PA	Pass	State
2021-04-07	UGI PONDEROSA LLC/STURGIS PAD B COMP STA	LOCK HAVEN, Clinton, PA	Pass	State
2021-04-06	FRES-CO SYSTEM USA INC/TELFORD PLT — high-priority violation on file	TELFORD, Bucks, PA	Pass	State
2021-04-06	MARKWEST LIBERTY MIDSTREAM/SMITH COMP STA	BURGETTSTOWN, Washington, PA	Pass	State
2021-04-06	NFG MIDSTREAM TROUT RUN LLC/BODINE COMP STA	TROUT RUN, Lycoming, PA	Pass	State
2021-04-05	MARKWEST LIBERTY MIDSTREAM/WELLING COMP STA	CLAYSVILLE, Washington, PA	Pass	State
2021-04-05	NFG MIDSTREAM TROUT RUN LLC/TROUT RUN MTN COMP STA	TROUT RUN, Lycoming, PA	Pass	State
2021-04-02	MARKWEST LIBERTY MIDSTREAM & RESOURCES/FULTON BOOSTER STA — high-priority violation on file	HICKORY, Washington, PA	Pass	State
2021-04-01	PROCTER & GAMBLE PAPER PROD CO/MEHOOPANY	MEHOOPANY, Wyoming, PA	Pass	State
2021-04-01	HOMETOWN FOOD CHEF BOYARDEE CO/MILTON PLT	MILTON, Northumberland, PA	Pass	State
2021-04-01	APPALACHIA MIDSTREAM SVC LLC/WILMOT COMP STA	WYALUSING, Bradford, PA	Pass	State
2021-04-01	REGENCY MARCELLUS GAS GATHERING LLC/SEVERCOOL STA	FORKSTON, Wyoming, PA	Pass	State
2021-03-31	EASTERN GAS TRANS & STORAGE/ROCHESTER MILLS	ROCHESTER MILLS, Indiana, PA	Pass	State
2021-03-31	NEXTERA RENEWABLE FUELS LLC/CUMBERLAND CNTY LDFL	SHIPPENSBURG, Cumberland, PA	Pass	State
2021-03-31	ETC NORTHEAST PIPELINE LLC/BARTO COMP STA	HUGHESVILLE, Lycoming, PA	Pass	State
2021-03-31	WCAA MIDSTREAM LLC/WEITZ SOUTH 20 COMP STA	ADAMSBURG, Westmoreland, PA	Pass	State

Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.