EPA Air · stack tests by state and year
Air-emissions stack tests in Pennsylvania, 2022
- 830Stack 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 2022; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Pennsylvania, 2022
- Susquehanna County 98
- Washington County 67
- Lycoming County 48
- Bradford County 46
- Philadelphia County 42
- Greene County 36
- Allegheny County 32
- Tioga County 31
- Butler County 24
- Westmoreland County 22
- Wyoming County 20
- Bucks County 19
- Berks County 17
- Armstrong County 16
- Northampton County 16
- Montgomery County 16
- Clinton County 14
- Indiana County 14
- Lancaster County 13
- Beaver County 13
- Dauphin County 11
- Chester County 10
- Lawrence County 10
- Centre County 10
- Cambria County 10
- Delaware County 10
- Fayette County 10
- Schuylkill County 9
- Clearfield County 9
- York County 9
- Elk County 8
- Potter County 8
- McKean County 8
- Luzerne County 8
- Clarion County 6
- Carbon County 6
- Warren County 6
- Erie County 5
- Mercer County 5
- Lackawanna County 5
- Cumberland County 5
- Columbia County 5
- Jefferson County 5
- Bedford County 4
- Union County 4
- Snyder County 4
- Juniata County 3
- Franklin County 3
- Venango County 3
- Lehigh County 3
- Crawford County 3
- Huntingdon County 3
- Montour County 3
- Sullivan County 3
- Somerset County 3
Pennsylvania, other years
Air-emissions stack tests recorded in Pennsylvania, 2022
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2022-12-29 | REGENCY MARCELLUS GAS GATHERING LLC/ HIRKEY COMP STA | TUNKHANNOCK, Wyoming, PA | Pass | State |
| 2022-12-28 | MIFFLINBURG AREA SCH DIST/MIFFLINBURG CAMPUS | MIFFLINBURG, Union, PA | Pass | State |
| 2022-12-28 | EXPAND OPERATING LLC/NOWICKI PAD NR25 | SUSQUEHANNA, Susquehanna, PA | Pass | State |
| 2022-12-28 | EXPAND OPERATING LLC/RU-71 BLUE BECK WELLPAD | MILFORD, Susquehanna, PA | Pass | State |
| 2022-12-22 | SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file | MONACA, Beaver, PA | Fail | State |
| 2022-12-22 | SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file | MONACA, Beaver, PA | Fail | State |
| 2022-12-22 | EXPAND OPERATING LLC/RU-46 DROPP WELLPAD | SUSQUEHANNA, Susquehanna, PA | Pass | State |
| 2022-12-21 | SOUTHWESTERN ENERGY CO/RACINE 5H | NEW MILFORD, Susquehanna, PA | Pass | State |
| 2022-12-20 | BEFESA ZINC US INC./PALMERTON — high-priority violation on file | PALMERTON, Carbon, PA | Pass | State |
| 2022-12-20 | NATL FUEL GAS SUPPLY CORP/ROYSTONE COMP STA | SHEFFIELD, Warren, PA | Pass | State |
| 2022-12-20 | BOEING CO PHILA/RIDLEY PARK PA FAC — high-priority violation on file | RIDLEY TWP, Delaware, PA | Pass | State |
| 2022-12-20 | SWN PROD CO LLC/GAYLORD 3H | SUSQUEHANNA, Susquehanna, PA | Pass | State |
| 2022-12-16 | PIXELLE SPEC SOLUTIONS LLC/SPRING GROVE — high-priority violation on file | SPRING GROVE, York, PA | Pass | State |
| 2022-12-16 | HATFIELD TWP MUNI AUTH/COLMAR | COLMAR, Montgomery, PA | Fail | State |
| 2022-12-15 | ROHM & HAAS CO/BRISTOL | BRISTOL, Bucks, PA | Pass | State |
| 2022-12-15 | HOMER CITY GEN LP/CENTER TWP | HOMER CITY, Indiana, PA | Pass | State |
| 2022-12-15 | CLEMENS FOOD GROUP LLC/HATFIELD PLT — high-priority violation on file | HATFIELD, Montgomery, PA | Pass | State |
| 2022-12-15 | ABINGTON RELDAN METALS LLC/FAIRLESS HILLS — high-priority violation on file | FAIRLESS HILLS, Bucks, PA | Fail | State |
| 2022-12-14 | NATL FUEL GAS SUPPLY/ELLISBURG STA | ELLISBURG, Potter, PA | Pass | State |
| 2022-12-14 | DIVERSIFIED PROD/STRONG COMP STA | IRVONA, Clearfield, PA | Pass | State |
| 2022-12-14 | REGENCY MARCELLUS GATHERING LLC/BRADFORD WEST COMP STA | GRANVILLE SUMMIT, Bradford, PA | Pass | State |
| 2022-12-14 | MORTON SALT INC/FAIRLESS HILLS | FAIRLESS HILLS, Bucks, PA | Pass | State |
| 2022-12-14 | APPALACHIA MIDSTREAM SVC LLC/RED FOX CDP | FOX, Sullivan, PA | Pass | State |
| 2022-12-14 | EXPAND OPERATING LLC/FERRARO WELL PAD | NEW ALBANY, Bradford, PA | Pass | State |
| 2022-12-12 | TRANSCONTINENTAL GAS/BEAR CREEK STA 515 | BEAR CREEK, Luzerne, PA | Pass | State |
| 2022-12-12 | TEXAS EASTERN TRANS LP/ENTRIKEN STA | ENTRIKEN, Huntingdon, PA | Pass | State |
| 2022-12-12 | DIVERSIFIED PROD//LYNN ROBBINS COMP STA | OLANTA, Clearfield, PA | Pass | State |
| 2022-12-12 | SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file | MONACA, Beaver, PA | Pass | State |
| 2022-12-10 | TEXAS EASTERN TRANS LP/HOLBROOK STA | WIND RIDGE, Greene, PA | Pass | State |
| 2022-12-09 | CLEVELAND CLIFFS STEEL CORP/ BUTLER WORKS | BUTLER, Butler, PA | Pass | State |
| 2022-12-09 | FIRST QUALITY TISSUE/LOCK HAVEN PLT | LOCK HAVEN, Clinton, PA | Pass | State |
| 2022-12-09 | ETC NORTHEAST PIPELINE LLC/BARTO COMP STA | HUGHESVILLE, Lycoming, PA | Pass | State |
| 2022-12-09 | SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file | MONACA, Beaver, PA | Fail | State |
| 2022-12-09 | NFG MIDSTREAM TROUT RUN LLC/TROUT RUN MTN COMP STA | TROUT RUN, Lycoming, PA | Pass | State |
| 2022-12-08 | LANCASTER CNTY SWMA/SUSQ RESOURCE MGMT COMPLEX — high-priority violation on file | HARRISBURG, Dauphin, PA | Pass | State |
| 2022-12-08 | ETC NORTHEAST PIPELINE LLC/RED BEND COMP STA | TROUT RUN, Lycoming, PA | Pass | State |
| 2022-12-08 | NFG MIDSTREAM COVINGTON LLC/FULLER 826N WELL PAD | MIDDLEBURY, Tioga, PA | Pass | State |
| 2022-12-08 | NFG MIDSTREAM COVINGTON LLC/GEE 848 WELL PAD | MIDDLEBURY CENTER, Tioga, PA | Pass | State |
| 2022-12-07 | TEXAS EASTERN TRANS LP/ENTRIKEN STA | ENTRIKEN, Huntingdon, PA | Pass | State |
| 2022-12-07 | NFG MIDSTREAM TROUT RUN LLC/TROUT RUN MTN COMP STA | TROUT RUN, Lycoming, PA | Pass | State |
| 2022-12-07 | UGI AUBURN GATHERING LLC/ANDERSON COMP STA | NEW RINGGOLD, Susquehanna, PA | Pass | State |
| 2022-12-07 | ALLEGHENY ENERGY SUPPLY/SPRINGDALE | PITTSBURGH, Allegheny, PA | Pass | Local |
| 2022-12-06 | TEXAS EASTERN TRANS LP/ARMAGH STA | NEW FLORENCE, Indiana, PA | Pass | State |
| 2022-12-06 | ETC NORTHEAST PIPELINE LLC/BARTO COMP STA | HUGHESVILLE, Lycoming, PA | Pass | State |
| 2022-12-06 | ALLEGHENY ENERGY SUPPLY/SPRINGDALE | PITTSBURGH, Allegheny, PA | Pass | Local |
| 2022-12-01 | GE TRANSPORTATION/ERIE PLT | ERIE, Erie, PA | Pass | State |
| 2022-12-01 | GREYLOCK MIDSTREAM LLC/KUHL-SKIB COMP STA | JEFFERSON, Greene, PA | Pass | State |
| 2022-11-30 | SURTECO NORTH AMER INC/AUBURN PLT FKA RENEER FILMS — high-priority violation on file | AUBURN, Schuylkill, PA | Pass | State |
| 2022-11-30 | RAUSCH CREEK GENERATION LLC/FRAILEY TWP — high-priority violation on file | TREMONT, Schuylkill, PA | Pass | State |
| 2022-11-30 | KEYSTONE PORTLAND CEMENT/EAST ALLEN — high-priority violation on file | BATH, Northampton, PA | Pending | State |
| 2022-11-30 | EASTERN GAS TRANS & STORAGE INC/CENTRE COMP STA | PLEASANT GAP, Centre, PA | Pass | State |
| 2022-11-30 | SOUTHWESTERN ENERGY CO/SCARLET OAK 1H | NEW MILFORD, Susquehanna, PA | Pass | State |
| 2022-11-29 | HOMER CITY GEN LP/CENTER TWP | HOMER CITY, Indiana, PA | Pass | State |
| 2022-11-29 | HARSCO METALS/BUTLER | BUTLER, Butler, PA | Pass | State |
| 2022-11-29 | INR MIDSTREAM LLC/WEST SUMMIT COMP STA | LAKE LYNN, Fayette, PA | Pass | State |
| 2022-11-29 | CABOT OIL & GAS CORP/MAKOSKY T PAD 1 | KINGSLEY, Susquehanna, PA | Pass | State |
| 2022-11-29 | COTERRA ENERGY INC/HAYNES W PAD 1 | NEW MILFORD, Susquehanna, PA | Pass | State |
| 2022-11-22 | COLUMBIA GAS TRANS LLC/EAGLE | CHESTER SPRINGS, Chester, PA | Fail | State |
| 2022-11-22 | PA GEN ENERGY CO LLC/REED RUN STILL PAD A COMP STA — high-priority violation on file | SMETHPORT, McKean, PA | Pass | State |
| 2022-11-19 | REWORLD PLYMOUTH/ PLYMOUTH — high-priority violation on file | CONSHOHOCKEN, Montgomery, PA | Pass | State |
| 2022-11-18 | KIMBERLY CLARK CORP/CHESTER OPR | CHESTER, Delaware, PA | Pass | State |
| 2022-11-18 | EASTERN CREAMATORY | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2022-11-17 | ELLWOOD QUALITY STEELS CO/NEW CASTLE PLT | NEW CASTLE, Lawrence, PA | Pass | State |
| 2022-11-17 | HOMER CITY GEN LP/CENTER TWP | HOMER CITY, Indiana, PA | Pass | State |
| 2022-11-17 | REPSOL OIL & GAS USA LLC/PUTNAM COMP STA | TROY, Bradford, PA | Pass | State |
| 2022-11-16 | COLUMBIA GAS TRANS CORP/FORKS TWP FAC EASTON CTA | EASTON, Northampton, PA | Pass | State |
| 2022-11-15 | URICK FOUNDRY CO/ERIE | ERIE, Erie, PA | Pass | State |
| 2022-11-15 | TEXAS EASTERN TRANS LP/PERULACK STA | EAST WATERFORD, Juniata, PA | Pass | State |
| 2022-11-15 | CHESTNUT VALLEY LDFL LLC/GERMAN TWP — high-priority violation on file | MC CLELLANDTOWN, Fayette, PA | Pass | State |
| 2022-11-15 | BUCKEYE TERMINALS LLC/MACUNGIE TERMINAL | EMMAUS, Lehigh, PA | Pass | State |
| 2022-11-10 | ATI FLAT ROLLED PROD HOLDINGS LLC/LATROBE | LATROBE, Westmoreland, PA | Fail | State |
| 2022-11-10 | HEIDELBERG MATERIALS US CEMENT LLC/EVANSVILLE CEMENT PLT & Q — high-priority violation on file | FLEETWOOD, Berks, PA | Pass | State |
| 2022-11-10 | MARKWEST LIBERTY BLUESTONE LLC/TRILLITH COMP STA | HARMONY, Butler, PA | Pass | State |
| 2022-11-10 | LAB ENERGY LLC/DUNCANNON | DUNCANNON, Perry, PA | Pass | State |
| 2022-11-10 | CNX MIDSTREAM OPR CO LLC/MOR-44 COMP STA | WEST FINLEY, Washington, PA | Pass | State |
| 2022-11-09 | TENNESSEE GAS PIPELINE CO/313 COUDERSPORT | COUDERSPORT, Potter, PA | Pass | State |
| 2022-11-09 | PEOPLES GAS CO LLC/KINTER STA | INDIANA, Indiana, PA | Pass | State |
| 2022-11-09 | MARKWEST LIBERTY MIDSTREAM/WELLING COMP STA | CLAYSVILLE, Washington, PA | Pass | State |
| 2022-11-09 | IVY HILL CEMETERY COMPANY | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2022-11-08 | INTER POWER AHLCON LP/COLVER POWER PROJ — high-priority violation on file | COLVER, Cambria, PA | Pass | State |
| 2022-11-08 | MONROE ENERGY LLC/TRAINER — high-priority violation on file | TRAINER, Delaware, PA | Pass | State |
| 2022-11-08 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/SHAW COMP STA | WASHINGTON, Washington, PA | Pass | State |
| 2022-11-08 | MARKWEST LIBERTY MIDSTREAM/BRIGICH COMP STA | CANONSBURG, Washington, PA | Pass | State |
| 2022-11-08 | SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file | MONACA, Beaver, PA | Pass | State |
| 2022-11-08 | KC MIDSTREAM SOLUTIONS LLC/OVERBEK STA | RIDGWAY, Elk, PA | Pass | State |
| 2022-11-07 | HEIDELBERG MATERIALS US CEMENT LLC/EVANSVILLE CEMENT PLT & Q — high-priority violation on file | FLEETWOOD, Berks, PA | Pass | State |
| 2022-11-07 | MARKWEST LIBERTY MIDSTREAM RES/DOWN HOME COMPRESSOR STATION | ROBINSON TWP, Washington, PA | Pass | State |
| 2022-11-07 | EXPAND OPERATING LLC/ROSIEMAR SUS PAD | MESHOPPEN, Susquehanna, PA | Pass | State |
| 2022-11-07 | KRIEBEL MINERALS INC/ARMBURST SONY COMPRESSOR | MT PLEASANT, Westmoreland, PA | Pass | State |
| 2022-11-04 | HEIDELBERG MATERIALS US CEMENT LLC/NAZARETH | NAZARETH, Northampton, PA | Pass | State |
| 2022-11-04 | HEIDELBERG MATERIALS US CEMENT LLC/NAZARETH | NAZARETH, Northampton, PA | Pass | State |
| 2022-11-03 | VITRO MEADVILLE FLAT GLASS MEADVILLE PLT/CRAWFORD | COCHRANTON, Crawford, PA | Pass | State |
| 2022-11-03 | CLARION BOARDS/CLARION PLT | SHIPPENVILLE, Clarion, PA | Pass | State |
| 2022-11-03 | LAUREL MTN MIDSTREAM OPR LLC/PRAH COMP STA | MCCLELLANDTOWN, Fayette, PA | Pass | State |
| 2022-11-03 | NEXTERA RENEWABLE FUELS LLC/FREY FARM CRESWELL LDFL | CONESTOGA, Lancaster, PA | Pass | State |
| 2022-11-02 | SEWARD GENERATING STATION/SEWARD | NEW FLORENCE, Indiana, PA | Pass | State |
| 2022-11-02 | NFG MIDSTREAM CLERMONT LLC/CLERMONT WEST COMP STA | EMPORIUM, Elk, PA | Pass | State |
| 2022-11-02 | NFG MIDSTREAM CLERMONT LLC/CLERMONT EAST COMP STA | WILCOX, McKean, PA | Pass | State |
| 2022-11-02 | EQM GATHERING OPCO LLC/MCINTOSH COMP STA | FINLEYVILLE, Washington, PA | Pass | State |
| 2022-11-02 | EXPAND OPERATING LLC/GU-VW MCMAHON WELL PAD | STEVENSVILLE, Bradford, 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.