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
- Susquehanna County 95
- Washington County 66
- Lycoming County 41
- Philadelphia County 40
- Bradford County 39
- Greene County 34
- Allegheny County 33
- Butler County 27
- Tioga County 27
- Wyoming County 20
- Armstrong County 19
- Montgomery County 18
- Lancaster County 17
- Potter County 16
- Northampton County 15
- York County 15
- Schuylkill County 15
- Berks County 14
- Bucks County 13
- Westmoreland County 13
- Indiana County 12
- McKean County 12
- Delaware County 12
- Chester County 11
- Luzerne County 11
- Lawrence County 11
- Clinton County 9
- Beaver County 9
- Lehigh County 8
- Elk County 8
- Mercer County 8
- Warren County 8
- Centre County 7
- Dauphin County 6
- Crawford County 6
- Jefferson County 5
- Cambria County 5
- Montour County 5
- Fayette County 5
- Clarion County 4
- Venango County 4
- Sullivan County 3
- Union County 3
- Franklin County 3
- Bedford County 3
- Cumberland County 3
- Erie County 3
- Clearfield County 3
- Huntingdon County 3
- Carbon County 3
Pennsylvania, other years
Air-emissions stack tests recorded in Pennsylvania, 2021
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2021-12-31 | CLEVELAND CLIFFS STEELTON LLC/STEELTON | STEELTON, Dauphin, PA | Pass | State |
| 2021-12-29 | TEXAS EASTERN TRANS LP/MARIETTA | MARIETTA, Lancaster, PA | Pass | State |
| 2021-12-29 | ETC NORTHEAST PIPELINE LLC/BARTO COMP STA | HUGHESVILLE, Lycoming, PA | Pass | State |
| 2021-12-23 | RAUSCH CREEK GENERATION LLC/FRAILEY TWP — high-priority violation on file | TREMONT, Schuylkill, PA | Pass | State |
| 2021-12-23 | LPR ENERGY LLC/HENRY CLAY MIDSTREAM FAC | MARKLEYSBURG, Fayette, PA | Pass | State |
| 2021-12-22 | CALPINE MID MERIT II LLC/ YORK ENERGY CENTER BLOCK 2 — high-priority violation on file | DELTA, York, PA | Pass | State |
| 2021-12-22 | SUSQUEHANNA GATHERING/NORTH RANGE CPF 1 COMP STA | SUSQUEHANNA, Susquehanna, PA | Pass | State |
| 2021-12-21 | PENN MED LANCASTER GEN HOSP/LANCASTER GEN HOSP | LANCASTER, Lancaster, PA | Pass | State |
| 2021-12-21 | BRADFORD FOREST/MCKEAN | BRADFORD, McKean, PA | Pass | State |
| 2021-12-21 | TIN TECH & REF LLC/WEST CHESTER | WEST CHESTER, Chester, PA | Pass | State |
| 2021-12-20 | CNTY LDFL INC/CNTY ENVIRONMENTAL OF CLARION | LEEPER, Clarion, PA | Pass | State |
| 2021-12-20 | BRASKEM AMER INC/MARCUS HOOK | MARCUS HOOK, Delaware, PA | Fail | State |
| 2021-12-20 | MARKWEST LIBERTY MIDSTREAM/BAKER COMP STA | WASHINGTON, Washington, PA | Pass | State |
| 2021-12-20 | REGENCY MARCELLUS GAS GATHERING LLC/OGONTZ WEST COMP STA | CUMMINS TWP, Lycoming, PA | Pass | State |
| 2021-12-16 | GREATER HAZLETON JT SEW AUTH/WEST HAZLETON STP — high-priority violation on file | WEST HAZLETON, Luzerne, PA | Pass | State |
| 2021-12-16 | BEFESA ZINC US INC./PALMERTON — high-priority violation on file | PALMERTON, Carbon, PA | Pending | State |
| 2021-12-16 | PANTHER CREEK POWER OPR LLC/NESQUEHONING | NESQUEHONING, Carbon, PA | Pass | State |
| 2021-12-16 | EXPAND OPERATING LLC/FERRARO WELL PAD | NEW ALBANY, Bradford, PA | Pass | State |
| 2021-12-15 | NORTHAMPTON GEN CO/NORTHAMPTON | NORTHAMPTON, Northampton, PA | Pass | State |
| 2021-12-15 | ALTUGLAS LLC/BRISTOL TWP | BRISTOL, Bucks, PA | Pass | State |
| 2021-12-15 | EASTERN GAS TRANS & STORAGE/CHAMBERSBURG COMP STA | CHAMBERSBURG, Franklin, PA | Pass | State |
| 2021-12-15 | SWN PROD CO FIONDI SITE COMP STA | MONTROSE, Susquehanna, PA | Pass | State |
| 2021-12-14 | UNITED REFINING CO/WARREN PLT | WARREN, Warren, PA | Pass | State |
| 2021-12-14 | HEIDELBERG MATERIALS US CEMENT LLC/EVANSVILLE CEMENT PLT & Q — high-priority violation on file | FLEETWOOD, Berks, PA | Pass | State |
| 2021-12-14 | EASTERN GAS TRANS & STORAGE INC/OAKFORD COMPRESSOR STA | DELMONT, Westmoreland, PA | Pass | State |
| 2021-12-14 | M SIMON ZOOK CO DBA GOLDEN BARREL PROD/LEOLA | LEOLA, Lancaster, PA | Pass | State |
| 2021-12-14 | EXPAND OPERATING LLC/RU-46 DROPP WELLPAD | SUSQUEHANNA, Susquehanna, PA | Pass | State |
| 2021-12-14 | PA GEN ENERGY CO LLC/COP TRACT 596 PAD B | ROARING BRANCH, Tioga, PA | Pass | State |
| 2021-12-13 | EXPAND OPERATING LLC/NOWICKI PAD NR25 | SUSQUEHANNA, Susquehanna, PA | Pass | State |
| 2021-12-13 | EXPAND OPERATING LLC/RU-71 BLUE BECK WELLPAD | MILFORD, Susquehanna, PA | Pass | State |
| 2021-12-12 | REWORLD PLYMOUTH/ PLYMOUTH — high-priority violation on file | CONSHOHOCKEN, Montgomery, PA | Pass | State |
| 2021-12-11 | SCRUBGRASS GENERATING PLT/VENANGO — high-priority violation on file | KENNERDELL, Venango, PA | Pass | State |
| 2021-12-10 | CLEVELAND CLIFFS STEEL CORP/ BUTLER WORKS | BUTLER, Butler, PA | Pass | State |
| 2021-12-10 | ALLEGHENY LUDLUM LLC/BRACKENRIDGE | BRACKENRIDGE, Allegheny, PA | Pass | Local |
| 2021-12-10 | ALLEGHENY LUDLUM LLC/BRACKENRIDGE | BRACKENRIDGE, Allegheny, PA | Pass | Local |
| 2021-12-09 | EASTERN GAS TRANS & STORAGE/CRAYNE STA | WAYNESBURG, Greene, PA | Pass | State |
| 2021-12-09 | HERCULES CEMENT CO LLC/STOCKERTOWN | STOCKERTOWN, Northampton, PA | Pending | State |
| 2021-12-09 | EAST PENN MFG CO INC/SMELTER PLT | LYONS, Berks, PA | Fail | State |
| 2021-12-09 | GAF KEYSTONE LLC/ISO FOAM BD FAC | NEW COLUMBIA, Union, PA | Pass | State |
| 2021-12-08 | BLUESTONE PIPELINE CO OF PA CDP#5/HARFORD TWP | NEW MILFORD, Susquehanna, PA | Pass | State |
| 2021-12-07 | AMER REF GROUP/BRADFORD | BRADFORD, McKean, PA | Pass | State |
| 2021-12-07 | TENNESSEE GAS PIPELINE CO LLC/MERCER STA 219 | MERCER, Mercer, PA | Pass | State |
| 2021-12-07 | KEYSTONE CONEMAUGH PROJ LLC/CONEMAUGH STATION | NEW FLORENCE, Indiana, PA | Pass | State |
| 2021-12-07 | EQUITRANS LP/JEFFERSON COMP STA | LIPPINCOTT, Greene, PA | Fail | State |
| 2021-12-07 | HILCORP ENERGY CO/MAHONING SIEGEL FACILITY — high-priority violation on file | EDINBURG, Lawrence, PA | Pass | State |
| 2021-12-07 | COTERRA ENERGY INC/ADAMS J PAD 1 | KINGSLEY, Susquehanna, PA | Pass | State |
| 2021-12-07 | COTERRA ENERGY INC/HAYNES W PAD 1 | NEW MILFORD, Susquehanna, PA | Pass | State |
| 2021-12-07 | COTERRA ENERGY INC/HAYNES W PAD 1 | NEW MILFORD, Susquehanna, PA | Fail | State |
| 2021-12-07 | TEMPLE UNIV HEALTH SCIENCES CAMPUS/STEAM — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2021-12-07 | COATING & CONVERTING TECH CORP/ADHESIVE | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2021-12-06 | HILCORP ENERGY CO/PULASKI WHITING CTL FAC — high-priority violation on file | EDINBURG, Lawrence, PA | Pass | State |
| 2021-12-06 | UGI GIBRALTAR GATHERING LLC/GIBRALTAR COMP STA | CLAYSVILLE, Washington, PA | Pass | State |
| 2021-12-03 | AMERICAN CRAFT BREWERY LLC/BREINIGSVILLE | BREINIGSVILLE, Lehigh, PA | Pass | State |
| 2021-12-03 | FIRST QUALITY TISSUE/LOCK HAVEN PLT | LOCK HAVEN, Clinton, PA | Pass | State |
| 2021-12-03 | MARCUS HOOK ENERGY LP/750 MW | MARCUS HOOK, Delaware, PA | Pass | State |
| 2021-12-02 | LORD CORP/SAEGERTOWN | SAEGERTOWN, Crawford, PA | Pass | State |
| 2021-12-02 | JANSSEN RESEARCH & DEVELOPMENT LLC/LOWER GWYNEDD | SPRING HOUSE, Montgomery, PA | Pass | State |
| 2021-12-01 | AMRIZE CEMENT INC/WHITEHALL PLT — high-priority violation on file | WHITEHALL, Lehigh, PA | Pass | State |
| 2021-12-01 | AMRIZE CEMENT INC/WHITEHALL PLT — high-priority violation on file | WHITEHALL, Lehigh, PA | Pass | State |
| 2021-12-01 | REGENCY MARCELLUS GAS GATHERING LLC/TAYLOR COMP STA | CANTON, Bradford, PA | Pass | State |
| 2021-11-30 | GEISINGER MED CTR/DANVILLE | DANVILLE, Montour, PA | Pass | State |
| 2021-11-30 | FLEXENTIAL/ UPPER PROVIDENCE TWP | COLLEGEVILLE, Montgomery, PA | Pass | State |
| 2021-11-30 | EASTERN GAS TRANS & STORAGE INC/CENTRE COMP STA | PLEASANT GAP, Centre, PA | Pass | State |
| 2021-11-30 | REGENCY MARCELLUS GAS GATHERING LLC/LONE WALNUT COMP STA | JERSEY SHORE, Lycoming, PA | Pass | State |
| 2021-11-29 | REGENCY MARCELLUS GAS GATHERING LLC/BOBST MOUNTAIN COMP STA | COGAN STA, Lycoming, PA | Pass | State |
| 2021-11-29 | UGI AUBURN GATHERING LLC/ MANNING COMPRESSOR LNG STA | MESHOPPEN, Wyoming, PA | Pass | State |
| 2021-11-24 | KINDER MORGAN LIQUIDS TERM/PHILA — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2021-11-23 | MAGNESITA REFRACTORIES/YORK — high-priority violation on file | YORK, York, PA | Pass | State |
| 2021-11-23 | INTER POWER AHLCON LP/COLVER POWER PROJ — high-priority violation on file | COLVER, Cambria, PA | Pass | State |
| 2021-11-23 | CLEVELAND CLIFFS PLATE/COATESVILLE | COATESVILLE, Chester, PA | Pass | State |
| 2021-11-22 | GREYLOCK MIDSTREAM LLC/KUHL-SKIB COMP STA | JEFFERSON, Greene, PA | Pass | State |
| 2021-11-22 | GREYLOCK MIDSTREAM LLC/KUHL-SKIB COMP STA | JEFFERSON, Greene, PA | Pass | State |
| 2021-11-19 | PA STATE UNIV/UNIV PARK CAMPUS | UNIVERSITY PARK, Centre, PA | Pass | State |
| 2021-11-18 | AMER REF GROUP/BRADFORD | BRADFORD, McKean, PA | Pass | State |
| 2021-11-18 | TEXAS EASTERN TRANS LP/BERNVILLE STA | BERNVILLE, Berks, PA | Pass | State |
| 2021-11-18 | CPV FAIRVIEW LLC/FAIRVIEW ENERGY CTR — high-priority violation on file | JOHNSTOWN, Cambria, PA | Fail | State |
| 2021-11-18 | PA GEN ENERGY CO LLC/REED RUN STILL PAD A COMP STA — high-priority violation on file | SMETHPORT, McKean, PA | Pass | State |
| 2021-11-17 | BOEING CO PHILA/RIDLEY PARK PA FAC — high-priority violation on file | RIDLEY TWP, Delaware, PA | Pass | State |
| 2021-11-17 | APPALACHIA MIDSTREAM SVC LLC/WILMOT COMP STA | WYALUSING, Bradford, PA | Pass | State |
| 2021-11-17 | CABOT OIL & GAS CORP/KROPA, T. PAD 1 | SPRINGVILLE, Susquehanna, PA | Pass | State |
| 2021-11-17 | CABOT OIL & GAS CORP/BISHOP, B PAD 1 | SPRINGVILLE, Susquehanna, PA | Pass | State |
| 2021-11-17 | CABOT OIL & GAS CORP/MAKOSKY T PAD 1 | KINGSLEY, Susquehanna, PA | Pass | State |
| 2021-11-16 | PEOPLES GAS CO LLC/KINTER STA | INDIANA, Indiana, PA | Pass | State |
| 2021-11-16 | TRANSCONTINENTAL GAS/JACKSON TWP STA 517 | BENTON, Columbia, PA | Pass | State |
| 2021-11-16 | TEXAS EASTERN TRANS LP/GRANTVILLE | GRANTVILLE, Dauphin, PA | Pass | State |
| 2021-11-16 | MAINESBURG GS LP/WELLS COMP STA | COVINGTON, Tioga, PA | Fail | State |
| 2021-11-16 | SOUTHWESTERN ENERGY CO/SCARLET OAK 1H | NEW MILFORD, Susquehanna, PA | Pass | State |
| 2021-11-16 | EXPAND OPERATING LLC/ROSIEMAR SUS PAD | MESHOPPEN, Susquehanna, PA | Pass | State |
| 2021-11-16 | TEMPLE UNIV/ MAIN CAMPUS — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2021-11-16 | TEMPLE UNIV/ MAIN CAMPUS — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2021-11-16 | TEMPLE UNIV/ MAIN CAMPUS — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2021-11-15 | EQM GATHERING OPCO LLC/PETTIT COMP STA | HOLBROOK, Greene, PA | Pass | State |
| 2021-11-11 | COLUMBIA GAS TRANS LLC/EAGLE | CHESTER SPRINGS, Chester, PA | Pass | State |
| 2021-11-11 | SCHUYLKILL ENERGY RES/ST NICHOLAS COGEN — high-priority violation on file | SHENANDOAH, Schuylkill, PA | Pass | State |
| 2021-11-11 | LANCASTER CNTY SWMA/SUSQ RESOURCE MGMT COMPLEX — high-priority violation on file | HARRISBURG, Dauphin, PA | Pass | State |
| 2021-11-11 | REGENCY MARCELLUS GATHERING LLC/BRADFORD WEST COMP STA | GRANVILLE SUMMIT, Bradford, PA | Pass | State |
| 2021-11-10 | SNYDER BROS INC/AMBROSE COMP STA | ADRIAN, Armstrong, PA | Pass | State |
| 2021-11-09 | BLOMMER CHOCOLATE CO/E GREENVILLE PLT | EAST GREENVILLE, Montgomery, PA | Pass | State |
| 2021-11-09 | FRANKLIN & MARSHALL COLL/LANCASTER | LANCASTER, Lancaster, PA | Pass | State |
| 2021-11-09 | REGENCY MARCELLUS GAS GATHERING/CANOE RUN COMP STA | SALLADASBURG, Lycoming, PA | Pass | State |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.