EPA Air · stack tests by state and year

Air-emissions stack tests in Pennsylvania, 2020

725Stack 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 2020; one facility can appear more than once, because this is a record of what happened rather than a list of places.

Counties in Pennsylvania, 2020

Pennsylvania, other years

Air-emissions stack tests recorded in Pennsylvania, 2020

Date	Facility	Where	Kind	Agency
2020-09-09	UNITED REFINING CO/WARREN PLT	WARREN, Warren, PA	Pass	State
2020-09-09	WOODGRAIN INC/FIBER DIV PA	TOWANDA, Bradford, PA	Pass	State
2020-09-09	COLUMBIA GAS TRANS CORP/GETTYSBURG COMP STA	GETTYSBURG, Adams, PA	Pass	State
2020-09-09	SCHUYLKILL ENERGY RES/ST NICHOLAS COGEN — high-priority violation on file	SHENANDOAH, Schuylkill, PA	Pass	State
2020-09-09	HIGHWAY MATERIALS INC/PLYMOUTH MTG ASPHALT PLT	PLYMOUTH MEETING, Montgomery, PA	Pass	State
2020-09-09	PINE GROVE LDFL INC/PINE GROVE LDFL	PINE GROVE, Schuylkill, PA	Pass	State
2020-09-09	LAUREL MTN MIDSTREAM OPR LLC/SHAMROCK COMP STA — high-priority violation on file	SALEM, Fayette, PA	Pass	State
2020-09-09	UGI TEXAS CREEK LLC/CLEGG COMP STA	TROUT RUN, Lycoming, PA	Pass	State
2020-09-09	SUPERIOR APPALACHIAN PIPELINE/FRAZER	PENNSYLVANIA, Undetermined, PA	Pass	Local
2020-09-09	SUPERIOR APPALACHIAN PIPELINE/FRAZER	PENNSYLVANIA, Undetermined, PA	Pass	Local
2020-09-08	KIMBERLY CLARK CORP/CHESTER OPR	CHESTER, Delaware, PA	Pass	State
2020-09-08	LAUREL MTN MIDSTREAM OPR LLC/HERMINIE COMP STA	WEST NEWTON, Westmoreland, PA	Pass	State
2020-09-08	MARKWEST LIBERTY MIDSTREAM/WELLING COMP STA	CLAYSVILLE, Washington, PA	Pass	State
2020-09-08	UGI TEXAS CREEK LLC/GROFF COMP STA	CANTON, Bradford, PA	Pass	State
2020-09-08	UGI TEXAS CREEK LLC/JACKSON COMP STA	ROARING BRANCH, Tioga, PA	Pass	State
2020-09-04	RAUSCH CREEK GENERATION LLC/FRAILEY TWP — high-priority violation on file	TREMONT, Schuylkill, PA	Pass	State
2020-09-03	TENNESSEE GAS PIPELINE CO/313 COUDERSPORT	COUDERSPORT, Potter, PA	Pass	State
2020-09-02	EBENSBURG POWER CO/EBENSBURG COGENERATION PLT	EBENSBURG, Cambria, PA	Pass	State
2020-09-02	WASTE MGMT PA/TULLYTOWN RES REC FAC	TULLYTOWN, Bucks, PA	Pass	State
2020-09-02	NFG MIDSTREAM COVINGTON LLC/WELLSBORO COMP STA 1	MANSFIELD, Tioga, PA	Pass	State
2020-09-02	BKV OPR LLC/PLUSHANSKI WELL PAD	TUNKHANNOCK, Wyoming, PA	Pass	State
2020-09-02	WARREN EP INC/REIMILLER PAD	MESHOPPEN, Wyoming, PA	Pass	State
2020-09-01	US DOD/RAVEN ROCK MTN COMPLEX	BLUE RIDGE SUMMIT, Adams, PA	Pass	State
2020-09-01	HERCULES CEMENT CO LLC/STOCKERTOWN	STOCKERTOWN, Northampton, PA	Pass	State
2020-09-01	BUCKEYE ENERGY SVC LLC/MACUNGIE TERMINAL	EMMAUS, Lehigh, PA	Pass	State
2020-09-01	NFG MIDSTREAM COVINGTON LLC/COVINGTON COMP STA	COVINGTON, Tioga, PA	Pass	State
2020-09-01	BKV OPR LLC/MIRABELLI PAD	TUNKHANNOCK, Wyoming, PA	Pass	State
2020-09-01	BKV OPR LLC/P & G WAREHOUSE PAD	MESHOPPEN, Wyoming, PA	Pass	State
2020-09-01	ALTA PERFORMANCE MATERIALS US, LLC	PITTSBURGH, Allegheny, PA	Pass	Local
2020-08-31	RAUSCH CREEK GENERATION LLC/FRAILEY TWP — high-priority violation on file	TREMONT, Schuylkill, PA	Pass	State
2020-08-31	ETC NORTHEAST PIPELINE LLC/BARTO COMP STA	HUGHESVILLE, Lycoming, PA	Pass	State
2020-08-31	NFG MIDSTREAM COVINGTON LLC/DCNR TRACT 595	ARNOT, Tioga, PA	Pass	State
2020-08-28	MARKWEST LIBERTY MIDSTREAM & RESOURCES/JOHNSTON COMP STA	CANONSBURG, Washington, PA	Pass	State
2020-08-28	MARKWEST LIBERTY BLUESTONE LLC/BLUESTONE GAS PROC PLT	EVANS CITY, Butler, PA	Pass	State
2020-08-27	CLARION BOARDS/CLARION PLT	SHIPPENVILLE, Clarion, PA	Pass	State
2020-08-27	CLEAN EARTH OF SOUTHEAST PA/MORRISVILLE — high-priority violation on file	MORRISVILLE, Bucks, PA	Pass	State
2020-08-27	SECCRA LDFL/LONDON GROVE TWP	WEST GROVE, Chester, PA	Pass	State
2020-08-27	LAUREL MTN MIDSTREAM OPR LLC/SHAMROCK COMP STA — high-priority violation on file	SALEM, Fayette, PA	Pass	State
2020-08-27	MARKWEST LIBERTY BLUESTONE LLC/TRILLITH COMP STA	HARMONY, Butler, PA	Pass	State
2020-08-27	ALLEGHENY CNTY SANI AUTH/ALLEGHENY CNTY	PITTSBURGH, Allegheny, PA	Fail	Local
2020-08-27	ADVANSIX (FORMERLY HONEYWELL/FRANKFORD PLT) — high-priority violation on file	PHILADELPHIA, Philadelphia, PA	Pending	Local
2020-08-26	BUCKEYE TERM/GREENSBURG TERM	GREENSBURG, Westmoreland, PA	Pass	State
2020-08-26	COLUMBIA GAS TRANS LLC/ARTEMAS COMP STA	ARTEMAS, Bedford, PA	Pass	State
2020-08-26	PEI POWER CORP/ARCHBALD	ARCHBALD, Lackawanna, PA	Pass	State
2020-08-26	LPR ENERGY LLC/LYTLE WELL PAD SITE	CURWENSVILLE, Clearfield, PA	Pass	State
2020-08-26	EQM GATHERING OPCO LLC/CALLISTO COMP STA	SYCAMORE, Greene, PA	Pass	State
2020-08-26	USS/CLAIRTON WORKS — high-priority violation on file	CLAIRTON, Allegheny, PA	Pass	Local
2020-08-26	USS/CLAIRTON WORKS — high-priority violation on file	CLAIRTON, Allegheny, PA	Pass	Local
2020-08-25	KNOUSE FOODS COOP INC/PEACH GLEN TYRONE TWP	PEACH GLEN, Adams, PA	Pass	State
2020-08-25	AQUA PA INC/PICKERING WATER TRMT PLT	PHOENIXVILLE, Chester, PA	Pass	State
2020-08-25	MARKWEST LIBERTY MIDSTREAM/ CARPENTER COMP STA	WEST ALEXANDRIA, Washington, PA	Pass	State
2020-08-25	ADVANSIX (FORMERLY HONEYWELL/FRANKFORD PLT) — high-priority violation on file	PHILADELPHIA, Philadelphia, PA	Pass	Local
2020-08-24	NFG MIDSTREAM COVINGTON LLC/SHAW COMP STA	MAINESBURG, Tioga, PA	Pass	State
2020-08-24	CHESAPEAKE APPALACHIA LLC/AMCOR WELLPAD	MESHOPPEN, Wyoming, PA	Pass	State
2020-08-24	EXPAND OPERATING LLC/JOEGUSWA WELL PAD	DUSHORE, Sullivan, PA	Pass	State
2020-08-19	ARCONIC US LLC/LANCASTER — high-priority violation on file	LANCASTER, Lancaster, PA	Fail	State
2020-08-19	HOMER CITY GEN LP/CENTER TWP	HOMER CITY, Indiana, PA	Pass	State
2020-08-19	HEIDELBERG MATERIALS US CEMENT LLC/EVANSVILLE CEMENT PLT & Q — high-priority violation on file	FLEETWOOD, Berks, PA	Pass	State
2020-08-19	EASTERN GAS TRANS & STORAGE INC/LINCOLN HEIGHTS	LINCOLN HEIGHTS, Westmoreland, PA	Pass	State
2020-08-19	MERSEN USA/ST MARYS	SAINT MARYS, Elk, PA	Pass	State
2020-08-19	DIVERSIFIED PROD LLC/NV 34 WELLPAD — high-priority violation on file	PROSPERITY, Washington, PA	Pass	State
2020-08-19	USS/CLAIRTON WORKS — high-priority violation on file	CLAIRTON, Allegheny, PA	Pass	Local
2020-08-19	CONSTELLATION GENERATION CO/SCHUYLKILL STA	PHILADELPHIA, Philadelphia, PA	Fail	Local
2020-08-18	MARKWEST LIBERTY MIDSTREAM & RESOURCES/JOHNSTON COMP STA	CANONSBURG, Washington, PA	Pass	State
2020-08-18	DIVERSIFIED PROD LLC/NINEVEH 58 WELL PAD — high-priority violation on file	PROSPERITY, Washington, PA	Pass	State
2020-08-18	DIVERSIFIED PROD LLC/NV 60 WELLPAD	CLAYSVILLE, Washington, PA	Pass	State
2020-08-17	LPR MIDSTREAM PARTNERS LLC/PMG ALLEN STA	ADDISON, Somerset, PA	Pass	State
2020-08-14	MARKWEST LIBERTY M&R/TUPTA DAY COMP STA	WASHINGTON, Washington, PA	Pass	State
2020-08-13	COLUMBIA GAS TRANS CORP/DONEGAL COMP STA	WEST ALEXANDER, Washington, PA	Pass	State
2020-08-13	AMRIZE CEMENT INC/WHITEHALL PLT — high-priority violation on file	WHITEHALL, Lehigh, PA	Pass	State
2020-08-13	INTL WAXES INC/FARMERS VALLEY	SMETHPORT, McKean, PA	Pass	State
2020-08-13	MARKWEST LIBERTY MIDSTREAM/BRIGICH COMP STA	CANONSBURG, Washington, PA	Pass	State
2020-08-12	GRAFTECH USA LLC/ST MARYS	SAINT MARYS, Elk, PA	Pass	State
2020-08-12	AMCOR FLEXIBLES NORTH AMER INC/HAZLETON	HAZLETON, Luzerne, PA	Fail	State
2020-08-12	AMRIZE CEMENT INC/WHITEHALL PLT — high-priority violation on file	WHITEHALL, Lehigh, PA	Pass	State
2020-08-12	ENERGY TRANSFER MKT & TERM LP/MALVERN TERM	MALVERN, Chester, PA	Pass	State
2020-08-12	COLUMBIA GAS TRANS LLC/IOWA COMP STA	BROOKVILLE, Jefferson, PA	Pass	State
2020-08-12	CNX MIDSTREAM OPR CO LLC/NV-57 COMP STA	PROSPERITY, Washington, PA	Pass	State
2020-08-11	MAGNESITA REFRACTORIES/YORK — high-priority violation on file	YORK, York, PA	Pass	State
2020-08-11	WHEELABRATOR FALLS INC/FALLS TWP — high-priority violation on file	MORRISVILLE, Bucks, PA	Pass	State
2020-08-11	WHEELABRATOR FALLS INC/FALLS TWP — high-priority violation on file	MORRISVILLE, Bucks, PA	Pass	State
2020-08-11	NEW ENTERPRISE STONE & LIME CO INC/STEELTON	STEELTON, Dauphin, PA	Fail	State
2020-08-11	INHANCE TECHNOLOGIES LLC/ALLENTOWN	ALLENTOWN, Lehigh, PA	Pass	State
2020-08-11	NFG MIDSTREAM TROUT RUN LLC/HAGERMAN GAS & PROC METERING FAC	TROUT RUN, Lycoming, PA	Pass	State
2020-08-11	ROVER PIPELINE LLC/BULGER COMP STA	BULGER, Washington, PA	Pass	State
2020-08-11	CABOT OIL & GAS CORP/JEFFERS FARMS PAD 5	GIBSON, Susquehanna, PA	Pass	State
2020-08-06	RAUSCH CREEK GENERATION LLC/FRAILEY TWP — high-priority violation on file	TREMONT, Schuylkill, PA	Pass	State
2020-08-06	CLARION BOARDS/CLARION PLT	SHIPPENVILLE, Clarion, PA	Pass	State
2020-08-06	ACCUPAC INC/MAINLAND	MAINLAND, Montgomery, PA	Pass	State
2020-08-06	LAUREL MTN MIDSTREAM OPR LLC/PRAH COMP STA	MCCLELLANDTOWN, Fayette, PA	Pass	State
2020-08-06	APPALACHIA MIDSTREAM SVC LLC/RATTLESNAKE HILL COMP STA	AUBURN TOWNSHIP, Susquehanna, PA	Pass	State
2020-08-06	CALGON CARBON CORP/NEVILLE ISLAND PLT	PITTSBURGH, Allegheny, PA	Pass	Local
2020-08-06	USS/CLAIRTON WORKS — high-priority violation on file	CLAIRTON, Allegheny, PA	Pass	Local
2020-08-05	ALLAN MYERS LP/COATESVILLE ASPHALT PLT	COATESVILLE, Chester, PA	Pass	State
2020-08-05	EASTERN GAS TRANS & STORAGE/RURAL VLY COMP STA	KITTANNING, Armstrong, PA	Pass	State
2020-08-05	WILLIAMS FIELD SVC CO LLC/KANE ROAD COMP STA	MONTROSE, Susquehanna, PA	Pass	State
2020-08-05	MARKWEST LIBERTY BLUESTONE LLC/ROYAL OAK COMP STA	EVANS CITY, Butler, PA	Pass	State
2020-08-05	EQM GATHERING OPCO LLC/EUROPA COMP STA	CENTER, Greene, PA	Pass	State
2020-08-05	USS/CLAIRTON WORKS — high-priority violation on file	CLAIRTON, Allegheny, PA	Pass	Local
2020-08-04	PEOPLES NATURAL GAS CO LLC/VALLEY STA	YATESBORO, Armstrong, PA	Pass	State

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