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
2021-11-09	MAUSER USA LLC/WARREN PLT	WARREN, Warren, PA	Pass	State
2021-11-09	PA STATE UNIV/WPSU TOWER	CLEARFIELD, Clearfield, PA	Pass	State
2021-11-09	PA STATE UNIV/WPSU TOWER	CLEARFIELD, Clearfield, PA	Pass	State
2021-11-06	AMRIZE CEMENT INC/WHITEHALL PLT — high-priority violation on file	WHITEHALL, Lehigh, PA	Pass	State
2021-11-03	TEXAS EASTERN TRANS LP/LILLY STA	LILLY, Cambria, PA	Pass	State
2021-11-03	AMRIZE CEMENT INC/WHITEHALL PLT — high-priority violation on file	WHITEHALL, Lehigh, PA	Pass	State
2021-11-03	BLUESTONE PIPELINE CO OF PA/HARMONY COMP STA	SUSQUEHANNA, Susquehanna, PA	Fail	State
2021-11-03	EQM GATHERING OPCO LLC/MCINTOSH COMP STA	FINLEYVILLE, Washington, PA	Pass	State
2021-11-03	WILLIAMS FIELD SVC CO/POTTER COMP STA	KINGSLEY, Susquehanna, PA	Pass	State
2021-11-02	TRANSCONTINENTAL GAS/BEAR CREEK STA 515	BEAR CREEK, Luzerne, PA	Pass	State
2021-11-02	NEXTERA RENEWABLE FUELS LLC/FREY FARM CRESWELL LDFL	CONESTOGA, Lancaster, PA	Pass	State
2021-11-02	BRANDYWINE GREEN LLC/DBA ABBEY GLENN — high-priority violation on file	WEST CHESTER, Chester, PA	Pass	State
2021-11-02	WILLIAMS FIELD SVC CO LLC/WILCOX COMP STA	TUNKHANNOCK, Wyoming, PA	Pass	State
2021-11-02	WILLIAMS FIELD SVC CO/MACNEW COMP STA	HOP BOTTOM, Susquehanna, PA	Pass	State
2021-11-01	WILLIAMS FIELD SVC CO LLC/JONES COMP STA	FRIENDSVILLE, Susquehanna, PA	Pass	State
2021-10-28	CONSOL PA COAL CO LLC/BAILEY PREP PLT — high-priority violation on file	WEST FINLEY, Greene, PA	Pass	State
2021-10-28	GRAYMONT PA INC/PLEASANT GAP & CON-LIME & BELLEFONTE PLTS	BELLEFONTE, Centre, PA	Pass	State
2021-10-28	EQT ARO LLC/TRACT 285 COMP STA	NORTH BEND, Clinton, PA	Pass	State
2021-10-28	EQT ARO LLC/TRACT 289 COMP STA — high-priority violation on file	JERSEY SHORE, Lycoming, PA	Pass	State
2021-10-28	NAVAL FOUNDRY AND PROPELLER CTR/PHILA	PHILADELPHIA, Philadelphia, PA	Pass	Local
2021-10-27	PROCTER & GAMBLE PAPER PROD CO/MEHOOPANY	MEHOOPANY, Wyoming, PA	Pass	State
2021-10-27	EQM GATHERING OPCO LLC/TWILIGHT COMP STA	DAISYTOWN, Washington, PA	Pass	State
2021-10-27	ONEIDA VALLEY MIDSTRAM LLC/CONSTELLATION COMP STA	WEST SUNBURY, Butler, PA	Pass	State
2021-10-27	NAVAL FOUNDRY AND PROPELLER CTR/PHILA	PHILADELPHIA, Philadelphia, PA	Pass	Local
2021-10-26	PROCTER & GAMBLE PAPER PROD CO/MEHOOPANY	MEHOOPANY, Wyoming, PA	Pass	State
2021-10-26	NEXTERA RENEWABLE FUELS LLC/CUMBERLAND CNTY LDFL	SHIPPENSBURG, Cumberland, PA	Pass	State
2021-10-26	ETC NORTHEAST FLD SVC LLC/PIKE COMP STA	ROCHESTER, Beaver, PA	Pass	State
2021-10-25	HILCORP ENERGY CO/NCD CENTRAL FAC	NEW CASTLE, Lawrence, PA	Pass	State
2021-10-22	REGENCY MARCELLUS GAS GATHERING LLC/MEHOOPANY STA	TUNKHANNOCK, Wyoming, PA	Pass	State
2021-10-22	JERSEY CHROME PLATING COMPANY	PITTSBURGH, Allegheny, PA	Pass	Local
2021-10-21	MARKWEST LIBERTY MIDSTREAM & RESOURCES/JOHNSTON COMP STA	CANONSBURG, Washington, PA	Pass	State
2021-10-21	MARKWEST LIBERTY MIDSTREAM/WELLING COMP STA	CLAYSVILLE, Washington, PA	Pass	State
2021-10-20	TENNESSEE GAS PIPELINE CO/313 COUDERSPORT	COUDERSPORT, Potter, PA	Fail	State
2021-10-20	EASTERN GAS TRANS & STORAGE INC/FINNEFROCK STA	RENOVO, Clinton, PA	Pass	State
2021-10-20	AMER REF GROUP/BRADFORD	BRADFORD, McKean, PA	Pass	State
2021-10-20	ENERGY DEVS HONEY BROOK LLC/CAERNARVON TWP	NARVON, Lancaster, PA	Pass	State
2021-10-20	EQM GATHERING OPCO LLC/PETTIT COMP STA	HOLBROOK, Greene, PA	Pass	State
2021-10-20	MARKWEST LIBERTY MIDSTREAM RES/DOWN HOME COMPRESSOR STATION	ROBINSON TWP, Washington, PA	Pass	State
2021-10-20	PINE RUN MIDSTREAM LLC/BICKER COMP STA	CABOT, Butler, PA	Pass	State
2021-10-19	KEYSTONE PORTLAND CEMENT/EAST ALLEN — high-priority violation on file	BATH, Northampton, PA	Pass	State
2021-10-18	PA DEPT OF LABOR & IND/HIRAM G ANDREWS CTR	JOHNSTOWN, Cambria, PA	Pass	State
2021-10-18	MARKWEST LIBERTY MIDSTREAM/SMITH COMP STA	BURGETTSTOWN, Washington, PA	Pass	State
2021-10-18	LOAN ASSET ISSUER LLC/WEST FINLEY 10 WELL PAD	WEST FINLEY, Washington, PA	Pass	State
2021-10-15	SONNEBORN INC/PETROLIA PLT	PETROLIA, Butler, PA	Pass	State
2021-10-14	MAGNESITA REFRACTORIES/YORK — high-priority violation on file	YORK, York, PA	Pass	State
2021-10-14	YORK CNTY SOLID WASTE/YORK CNTY RESOURCE RECOVERY — high-priority violation on file	YORK, York, PA	Pass	State
2021-10-14	EQM GATHERING OPCO LLC/TERRA COMP STA	PLUM CREEK, Armstrong, PA	Pass	State
2021-10-14	PA GEN ENERGY CO LLC/COP TRACT 293 COMP STA	WATERVILLE, Lycoming, PA	Pass	State
2021-10-13	MTN GATHERING LLC/DRY RUN COMP STA	CHAPMAN, Clinton, PA	Pass	State
2021-10-13	PA GEN ENERGY CO LLC/FISK HOLLOW PAD A	ROULETTE, Potter, PA	Pass	State
2021-10-13	COTERRA ENERGY INC/LAMBERT R PAD 1	KINGSLEY, Susquehanna, PA	Pass	State
2021-10-13	ALLEGHENY CNTY SANI AUTH/ALLEGHENY CNTY	PITTSBURGH, Allegheny, PA	Pass	Local
2021-10-12	MONROE ENERGY LLC/TRAINER — high-priority violation on file	TRAINER, Delaware, PA	Pass	State
2021-10-12	EXCO APPLACHIA MIDSTREAM LLC/CONFER COMP STA	BURNSIDE TWP, Centre, PA	Pass	State
2021-10-12	WILLIAMS FIELD SVC CO LLC/LATHROP COMP STA	SPRINGVILLE, Susquehanna, PA	Pass	State
2021-10-12	BLUESTONE PIPELINE CO/COMFORT LAKE COMP STA	HARMONY TWP, Susquehanna, PA	Pass	State
2021-10-12	EQUITRANS LP/REDHOOK COMPRESSOR STATION	WAYNESBURG, Greene, PA	Pass	State
2021-10-12	CNX MIDSTREAM OPR CO LLC/RHL 22 DEHYDRATION STA	WIND RIDGE, Greene, PA	Pass	State
2021-10-08	NORTHUMBERLAND TERM DE LLC/NORTHUMBERLAND TERM	NORTHUMBERLAND, Northumberland, PA	Pass	State
2021-10-08	RAUSCH CREEK GENERATION LLC/FRAILEY TWP — high-priority violation on file	TREMONT, Schuylkill, PA	Pass	State
2021-10-08	COLUMBIA GAS TRANS CORP/CGT DELMONT COMP STA	DELMONT, Westmoreland, PA	Pass	State
2021-10-08	MARKWEST LIBERTY BLUESTONE LLC/SARSEN GAS PROC PLT	EVANS CITY, Butler, PA	Pass	State
2021-10-08	MARKWEST LIBERTY BLUESTONE LLC/SARSEN GAS PROC PLT	EVANS CITY, Butler, PA	Pass	State
2021-10-08	XTO ENERGY HOMER CITY PP COMP STA/INDIANA — high-priority violation on file	HOMER CITY, Indiana, PA	Pass	State
2021-10-08	APPALACHIA MIDSTREAM SVC LLC/CHERRY COMP STA	DUSHORE, Sullivan, PA	Pass	State
2021-10-08	MTN GATHERING LLC/JEFFERSON COMP STA	BUTLER, Butler, PA	Pass	State
2021-10-07	RAUSCH CREEK GENERATION LLC/FRAILEY TWP — high-priority violation on file	TREMONT, Schuylkill, PA	Pass	State
2021-10-07	WILLIAMS FIELD SVC CO LLC/ZICK COMP STA	KINGSLEY, Susquehanna, PA	Pass	State
2021-10-07	CNX GAS CO LLC/NV-62 WELLPAD	CLAYSVILLE, Washington, PA	Pass	State
2021-10-06	ELLWOOD QUALITY STEELS CO/NEW CASTLE PLT	NEW CASTLE, Lawrence, PA	Pass	State
2021-10-06	DONSCO INC/WRIGHTSVILLE	WRIGHTSVILLE, York, PA	Pass	State
2021-10-06	CNX MIDSTREAM OPR CO LLC/NV-57 COMP STA	PROSPERITY, Washington, PA	Pass	State
2021-10-05	H&K GROUP INC/SANATOGA BLACKTOP — high-priority violation on file	POTTSTOWN, Montgomery, PA	Pass	State
2021-10-05	COLUMBIA GAS TRANS CORP/ELLWOOD CITY STA	ELLWOOD CITY, Beaver, PA	Pass	State
2021-10-05	WILLIAMS FIELD SVC CO LLC/CENTRAL COMP STA	MONTROSE, Susquehanna, PA	Pass	State
2021-10-05	MTN GATHERING LLC/FORWARD COMP STA	RENFREW, Butler, PA	Pass	State
2021-10-05	JKLM ENERGY LLC/REESE HOLLOW 117 WELL PAD	COUDERSPORT, Potter, PA	Pass	State
2021-10-05	JKLM ENERGY/SWEDEN VALLEY 105 WELL PAD	COUDERSPORT, Potter, PA	Pass	State
2021-10-05	BRIGHTSMITH LLC/FALLS TWP	MORRISVILLE, Bucks, PA	Fail	State
2021-10-04	MARKWEST LIBERTY MIDSTREAM & RESOURCES/GODWIN COMP STA	WASHINGTON, Washington, PA	Pass	State
2021-10-04	LOAN ASSET ISSUER LLC/WEST FINLEY 1 WELL PAD	WEST FINLEY, Washington, PA	Pass	State
2021-10-01	LAUREL MTN MIDSTREAM OPR LLC/SPRINGHILL COMP STA	LAKE LYNN, Fayette, PA	Pass	State
2021-09-30	HEIDELBERG MATERIALS US CEMENT LLC/EVANSVILLE CEMENT PLT & Q — high-priority violation on file	FLEETWOOD, Berks, PA	Pass	State
2021-09-30	MARKWEST LIBERTY MID & RES / HOSKINS BOOSTER COMP STA	CLAYSVILLE, Washington, PA	Pass	State
2021-09-30	APPALACHIA MIDSTREAM SVC LLC/GRANVILLE STA 2	GRANVILLE SUMMIT, Bradford, PA	Pass	State
2021-09-28	EAST PENN MFG CO INC/SMELTER PLT	LYONS, Berks, PA	Fail	State
2021-09-28	MARKWEST LIBERTY MIDSTREAM/WELLING COMP STA	CLAYSVILLE, Washington, PA	Pass	State
2021-09-28	REGENCY MARCELLUS GAS GATHERING LLC/OGONTZ WEST COMP STA	CUMMINS TWP, Lycoming, PA	Pass	State
2021-09-27	MARKWEST LIBERTY MIDSTREAM & RESOURCES/FULTON BOOSTER STA — high-priority violation on file	HICKORY, Washington, PA	Pass	State
2021-09-27	WILLIAMS FIELD SVC CO LLC/SHASKAS COMP STA	MONTROSE, Susquehanna, PA	Pass	State
2021-09-27	EXPAND OPERATING LLC/ALEXANDER BRA PAD	NEW ALBANY, Bradford, PA	Pass	State
2021-09-24	SONNEBORN INC/PETROLIA PLT	PETROLIA, Butler, PA	Pass	State
2021-09-24	LHT NEVILLE ISLAND TERMINALS - DE LLC	NEVILLE ISLAND, Allegheny, PA	Pass	Local
2021-09-23	COLUMBIA GAS TRANS LLC/ARTEMAS COMP STA	ARTEMAS, Bedford, PA	Pass	State
2021-09-23	GEORGIA PACIFIC PANEL PRODUCTS LLC/MOUNT JEWETT MDF	KANE, McKean, PA	Pass	State
2021-09-23	USS/CLAIRTON WORKS — high-priority violation on file	CLAIRTON, Allegheny, PA	Pass	Local
2021-09-22	EASTERN GAS TRANS & STORAGE INC/TIOGA STA	LAWRENCEVILLE, Tioga, PA	Pass	State
2021-09-22	GRAYMONT PA INC/PLEASANT GAP & CON-LIME & BELLEFONTE PLTS	BELLEFONTE, Centre, PA	Pass	State
2021-09-22	PENN MED LANCASTER GEN HOSP/LANCASTER GEN HOSP	LANCASTER, Lancaster, PA	Pass	State
2021-09-22	KNOUSE FOODS COOP INC/PEACH GLEN TYRONE TWP	PEACH GLEN, Adams, PA	Pass	State

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