EPA Air · stack tests by state and year

Air-emissions stack tests in Pennsylvania, 2023

889Stack 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 2023; one facility can appear more than once, because this is a record of what happened rather than a list of places.

Counties in Pennsylvania, 2023

Pennsylvania, other years

Air-emissions stack tests recorded in Pennsylvania, 2023

Date	Facility	Where	Kind	Agency
2023-07-25	WILLIAMS FIELD SVC CO LLC/NORTHEAST COMP STA	HALLSTEAD, Susquehanna, PA	Pass	State
2023-07-24	GEOPETRO LLC/PATTERSON COMP STA	NEW BEAVER, Lawrence, PA	Pass	State
2023-07-24	EXPAND OPERATING LLC/PARKHURST SUS PAD	MESHOPPEN, Susquehanna, PA	Pass	State
2023-07-24	COTERRA ENERGY INC/BURKE G PAD 1	MESHOPPEN, Susquehanna, PA	Fail	State
2023-07-24	NORTHEAST PAVING COMPANY / BRIDGEVILLE ASPHALT PLANT	BRIDGEVILLE, Allegheny, PA	Pass	Local
2023-07-24	NAVAL SURFACE WARFARE CENTER - PHILADELPHIA DIVISION	PHILADELPHIA, Philadelphia, PA	Pass	Local
2023-07-24	NAVAL SURFACE WARFARE CENTER - PHILADELPHIA DIVISION	PHILADELPHIA, Philadelphia, PA	Pass	Local
2023-07-21	XTO ENERGY HOMER CITY PP COMP STA/INDIANA — high-priority violation on file	HOMER CITY, Indiana, PA	Pass	State
2023-07-20	BASF CORP/MONACA PLT — high-priority violation on file	MONACA, Beaver, PA	Pass	State
2023-07-20	ARMSTRONG CEMENT & SUPPLY/WINFIELD — high-priority violation on file	CABOT, Butler, PA	Pass	State
2023-07-20	ERIE SEWER AUTHORITY/ERIE WWTP — high-priority violation on file	ERIE, Erie, PA	Pending	State
2023-07-20	MERSEN USA/ST MARYS	SAINT MARYS, Elk, PA	Pass	State
2023-07-20	REWORLD DELAWARE VALLEY LP/DELAWARE VALLEY RES REC — high-priority violation on file	CHESTER, Delaware, PA	Pass	State
2023-07-20	WARRIOR ROOFING MFG OF PA LLC/CHAMBERSBURG	CHAMBERSBURG, Franklin, PA	Pass	State
2023-07-20	COLUMBIA GAS TRANS LLC/IOWA COMP STA	BROOKVILLE, Jefferson, PA	Pass	State
2023-07-20	MARKWEST LIBERTY MIDSTREAM/ CARPENTER COMP STA	WEST ALEXANDRIA, Washington, PA	Pass	State
2023-07-20	USS/CLAIRTON WORKS — high-priority violation on file	CLAIRTON, Allegheny, PA	Pass	Local
2023-07-19	CONSTELLATION ENERGY GENERATION LLC/EDDYSTONE	EDDYSTONE, Delaware, PA	Pass	State
2023-07-19	DELAWARE CNTY REG WA/DELCORA WESTERN REG TRMT PLT	CHESTER, Delaware, PA	Fail	State
2023-07-19	SNYDER BROS INC/TRUITT COMP STA	NEW BETHLEHEM, Clarion, PA	Pass	State
2023-07-19	SNYDER BROS INC/HOGBACK COMP STA	NEW BETHLEHEM, Armstrong, PA	Pass	State
2023-07-19	HEP PENNSYLVANIA GATHERING LLC/WHITE CPF 1 COMP STA	STEVENSVILLE, Bradford, PA	Pass	State
2023-07-19	NAVAL SURFACE WARFARE CENTER - PHILADELPHIA DIVISION	PHILADELPHIA, Philadelphia, PA	Pass	Local
2023-07-19	NAVAL SURFACE WARFARE CENTER - PHILADELPHIA DIVISION	PHILADELPHIA, Philadelphia, PA	Pass	Local
2023-07-18	MONTOUR LLC/MONTOUR SES	WASHINGTONVILLE, Montour, PA	Pass	State
2023-07-18	MARKWEST LIBERTY MIDSTREAM & RESOURCES/JOHNSTON COMP STA	CANONSBURG, Washington, PA	Pass	State
2023-07-18	PINE RUN MIDSTREAM LLC/BASS COMP STA	SAXONBURG, Butler, PA	Pass	State
2023-07-18	BEAVER DAM ENERGY LLC/ELECTRIC GENERATING STATION	CANTON, Bradford, PA	Pass	State
2023-07-18	EQUITRANS LP/REDHOOK COMPRESSOR STATION	WAYNESBURG, Greene, PA	Pass	State
2023-07-18	NAVAL SURFACE WARFARE CENTER - PHILADELPHIA DIVISION	PHILADELPHIA, Philadelphia, PA	Pass	Local
2023-07-17	APPALACHIA MIDSTREAM SVC LLC/RATTLESNAKE HILL COMP STA	AUBURN TOWNSHIP, Susquehanna, PA	Pass	State
2023-07-14	NAVAL SURFACE WARFARE CENTER - PHILADELPHIA DIVISION	PHILADELPHIA, Philadelphia, PA	Pass	Local
2023-07-13	PROCTER & GAMBLE PAPER PROD CO/MEHOOPANY	MEHOOPANY, Wyoming, PA	Pass	State
2023-07-13	EASTERN GAS TRANS & STORAGE INC/SABINSVILLE STA	WESTFIELD, Tioga, PA	Pass	State
2023-07-13	MONTOUR LLC/MONTOUR SES	WASHINGTONVILLE, Montour, PA	Fail	State
2023-07-13	HEP PENNSYLVANIA GATHERING LLC/CLARK CPF 1 COMP STA	WYSOX, Bradford, PA	Pass	State
2023-07-13	BALL METAL BEVERAGE CONTAINER CORP/PITTSTON	PITTSTON, Luzerne, PA	Pending	State
2023-07-12	MONTOUR LLC/MONTOUR SES	WASHINGTONVILLE, Montour, PA	Pass	State
2023-07-12	YORK BLDG PROD CO INC/ROOSEVELT AVE	YORK, York, PA	Pass	State
2023-07-12	REGENCY MARCELLUS GATHERING LLC/BRADFORD WEST COMP STA	GRANVILLE SUMMIT, Bradford, PA	Pass	State
2023-07-12	HEP PA GATHERING LLC/GREENZWEIG COMP STA	WYALUSING, Bradford, PA	Pass	State
2023-07-11	PEOPLES NATURAL GAS CO LLC/VALLEY STA	YATESBORO, Armstrong, PA	Pass	State
2023-07-11	COLUMBIA GAS TRANS CORP/MARIETTA	MARIETTA, Lancaster, PA	Pass	State
2023-07-11	REGENCY MARCELLUS GAS GATHERING/CANOE RUN COMP STA	SALLADASBURG, Lycoming, PA	Pass	State
2023-07-11	NFG MIDSTREAM COVINGTON LLC/BREON COMP STA	MANSFIELD, Tioga, PA	Pass	State
2023-07-11	ADVANSIX (FORMERLY HONEYWELL/FRANKFORD PLT) — high-priority violation on file	PHILADELPHIA, Philadelphia, PA	Pass	Local
2023-07-10	REGENCY MARCELLUS GAS GATHERING LLC/ROUPP COMP STA	MIFFLIN, Lycoming, PA	Pass	State
2023-07-07	PA STATE UNIV/MILTON S HERSHEY MED CTR	HERSHEY, Dauphin, PA	Pass	State
2023-07-06	PA DHS/TORRANCE STATE HOSP	TORRANCE, Westmoreland, PA	Pass	State
2023-06-30	HAMILTON LIBERTY LLC/HAMILTON LIBERTY LLC — high-priority violation on file	WYSOX, Bradford, PA	Pass	State
2023-06-29	YORK CNTY SOLID WASTE/YORK CNTY RESOURCE RECOVERY — high-priority violation on file	YORK, York, PA	Pass	State
2023-06-29	PA DEPT OF CORR/WAYMART SCI	WAYMART, Wayne, PA	Pass	State
2023-06-29	ONTELAUNEE POWER OPR CO LLC/ONTELAUNEE PLT — high-priority violation on file	READING, Berks, PA	Pass	State
2023-06-29	REGENCY MARCELLUS GATHERING LLC/CHAPIN DEHY FAC	MONROE TOWNSHIP, Wyoming, PA	Pass	State
2023-06-29	ABBOTT, M. PAD 1	NEW MILFORD, Susquehanna, PA	Fail	State
2023-06-29	WILLIAMS, D. PAD 1	KINGSLEY, Susquehanna, PA	Pass	State
2023-06-29	HOWELL, G. PAD 1	MESHOPPEN, Susquehanna, PA	Fail	State
2023-06-29	BUSIK, J. PAD 1	MONTROSE, Susquehanna, PA	Pass	State
2023-06-28	EASTERN GAS TRANS & STORAGE INC/LEIDY STA	RENOVO, Clinton, PA	Pass	State
2023-06-28	EASTERN GAS TRANS & STORAGE INC/LEIDY STA	RENOVO, Clinton, PA	Pass	State
2023-06-28	BLUESTONE PIPELINE/CDP#1-A	NEW MILFORD, Susquehanna, PA	Pass	State
2023-06-27	CLEVELAND CLIFFS STEEL CORP/ BUTLER WORKS	BUTLER, Butler, PA	Pass	State
2023-06-27	NFG MIDSTREAM COVINGTON LLC/NETTERMAN COMP STA	WELLSBORO, Tioga, PA	Fail	State
2023-06-26	O-I GLASS INC/OWENS BROCKWAY GLASS CONTAINER PLT 19	BROCKPORT, Jefferson, PA	Pass	State
2023-06-26	CNX MIDSTREAM OPR CO LLC/BELL POINT 2 M&R DEHYDRATION STA	APOLLO, Westmoreland, PA	Pass	State
2023-06-23	HAMILTON PATRIOT LLC/HAMILTON PATRIOT GENERATION PLANT — high-priority violation on file	MONTGOMERY, Lycoming, PA	Pass	State
2023-06-22	GRAYMONT PA INC/PLEASANT GAP & CON-LIME & BELLEFONTE PLTS	BELLEFONTE, Centre, PA	Pass	State
2023-06-22	GREEN KNIGHT/PLAINFIELD LANDFILL GAS	PEN ARGYL, Northampton, PA	Pass	State
2023-06-22	ONEIDA VALLEY MIDSTRAM LLC/CONSTELLATION COMP STA	WEST SUNBURY, Butler, PA	Pass	State
2023-06-22	USS/CLAIRTON WORKS — high-priority violation on file	CLAIRTON, Allegheny, PA	Pass	Local
2023-06-21	ADVANCED CAST PRODUCTS/MEADVILLE — high-priority violation on file	MEADVILLE, Crawford, PA	Pass	State
2023-06-21	CNX MIDSTREAM OPR CO LLC /MORRIS DEHY STATION	GRAYSVILLE, Greene, PA	Pass	State
2023-06-20	PA STATE UNIV/UNIV PARK CAMPUS	UNIVERSITY PARK, Centre, PA	Pass	State
2023-06-20	EXPAND OPER LLC/ROLAND BRA PAD	WILMONT, Bradford, PA	Pass	State
2023-06-20	USS/CLAIRTON WORKS — high-priority violation on file	CLAIRTON, Allegheny, PA	Fail	Local
2023-06-20	LINDY PAVING INC/NEVILLE ISLAND	PITTSBURGH, Allegheny, PA	Pass	Local
2023-06-19	EXPAND OPERATING LLC/CURTIN WYO PAD	LACEYVILLE, Wyoming, PA	Pass	State
2023-06-16	HEIDELBERG MATERIALS US CEMENT LLC/NAZARETH	NAZARETH, Northampton, PA	Pass	State
2023-06-16	BEFESA ZINC US INC./PALMERTON — high-priority violation on file	PALMERTON, Carbon, PA	Pass	State
2023-06-15	FAIRLESS ENERGY LLC/FALLS TWP	FAIRLESS HILLS, Bucks, 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	REPSOL OIL & GAS USA LLC/WATKINS HILL RD	COLUMBIA CROSS ROADS, Bradford, PA	Pass	State
2023-06-14	EQM GATHERING OPCO LLC/BLUE MOON COMP STA	DAISYTOWN, Washington, PA	Pass	State
2023-06-13	EASTERN GAS TRANS & STORAGE INC/CHERRY TREE COMP STA	CHERRY TREE, Indiana, 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	HEIDELBERG MATERIALS US CEMENT LLC/NAZARETH	NAZARETH, Northampton, PA	Pass	State
2023-06-09	CHAMBERSBURG ENERGY LLC/CHAMBERSBURG	CHAMBERSBURG, Franklin, 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	HANSON AGGREGATES PA LLC/SPRINGFIELD PIKE QUARRY & ASPHALT	CONNELLSVILLE, Fayette, PA	Pass	State
2023-06-08	ARDAGH GLASS INC/PORT ALLEGANY PLT — high-priority violation on file	PORT ALLEGANY, McKean, PA	Pass	State
2023-06-08	RAUSCH CREEK GENERATION LLC/FRAILEY TWP — high-priority violation on file	TREMONT, Schuylkill, PA	Pass	State
2023-06-08	CHAMBERSBURG BORO/ORCHARD PARK GENERATING STA	CHAMBERSBURG, Franklin, 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	NEXTERA RENEWABLE FUELS LLC/LYCO LANDFILL LFGTE PLT	MONTGOMERY, Lycoming, PA	Pass	State
2023-06-08	UGI TEXAS CREEK LLC/JACKSON COMP STA	ROARING BRANCH, Tioga, PA	Pass	State
2023-06-08	BEAVER DAM ENERGY LLC/ELECTRIC GENERATING STATION	CANTON, Bradford, PA	Pass	State

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