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
- Susquehanna County 68
- Washington County 60
- Allegheny County 51
- Bradford County 38
- Lycoming County 33
- Greene County 33
- Philadelphia County 32
- Tioga County 29
- Wyoming County 24
- Butler County 23
- Westmoreland County 19
- Berks County 19
- Bucks County 19
- Lancaster County 18
- Montgomery County 15
- Northampton County 13
- Schuylkill County 13
- Fayette County 12
- Beaver County 12
- Elk County 12
- Luzerne County 11
- Indiana County 11
- Armstrong County 10
- York County 9
- Delaware County 9
- Chester County 9
- Franklin County 8
- Lehigh County 8
- Lawrence County 7
- Mercer County 7
- Clinton County 7
- Northumberland County 6
- Centre County 5
- Clarion County 5
- Montour County 5
- Somerset County 4
- McKean County 4
- Dauphin County 4
- Cambria County 4
- Carbon County 4
- Cumberland County 4
- Adams County 3
- Erie County 3
- Sullivan County 3
- Potter County 3
- Columbia County 3
- Undetermined County 3
Pennsylvania, other years
Air-emissions stack tests recorded in Pennsylvania, 2020
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2020-04-18 | LANCASTER CNTY SWMA/SUSQ RESOURCE MGMT COMPLEX — high-priority violation on file | HARRISBURG, Dauphin, PA | Pass | State |
| 2020-04-17 | ARMSTRONG CEMENT & SUPPLY/WINFIELD — high-priority violation on file | CABOT, Butler, PA | Pass | State |
| 2020-04-16 | LEHIGH WHITE CEMENT CO LLC/YORK | YORK, York, PA | Pass | State |
| 2020-04-16 | HERSHEY CO/WWTP | HERSHEY, Dauphin, PA | Pass | State |
| 2020-04-16 | EQT ARO LLC/LARRYS CREEK PAD F COMP STA | SALLADASBURG, Lycoming, PA | Pass | State |
| 2020-04-15 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/NANCY STEWART | MOUNT PLEASANT, Washington, PA | Pass | State |
| 2020-04-15 | EQT ARO LLC/LARRYS CREEK COMP STA | JERSEY SHORE, Lycoming, PA | Pass | State |
| 2020-04-14 | AMRIZE CEMENT INC/WHITEHALL PLT — high-priority violation on file | WHITEHALL, Lehigh, PA | Pass | State |
| 2020-04-14 | EQT ARO LLC/LYCOMING H&FC COMP STA — high-priority violation on file | TROUT RUN, Lycoming, PA | Pass | State |
| 2020-04-14 | EQT ARO LLC/ELBOW PAD B COMP STA — high-priority violation on file | COGAN HOUSE, Lycoming, PA | Pass | State |
| 2020-04-13 | MARKWEST LIBERTY MIDSTREAM/BAKER COMP STA | WASHINGTON, Washington, PA | Pass | State |
| 2020-04-13 | EQT ARO LLC/VARGO COMP STA — high-priority violation on file | TROUT RUN, Lycoming, PA | Pass | State |
| 2020-04-10 | SUSQUEHANNA GATHERING/CDP 1 COMP STA | NEW MILFORD, Susquehanna, PA | Pass | State |
| 2020-04-09 | MARKWEST LIBERTY MIDSTREAM/DRYER BOOSTER COMP STA | AVELLA, Washington, PA | Pass | State |
| 2020-04-08 | LATROBE SPECIALTY METALS/ A CARPENTER CO | LATROBE, Westmoreland, PA | Pass | State |
| 2020-04-08 | MARKWEST LIBERTY MIDSTREAM/BRIGICH COMP STA | CANONSBURG, Washington, PA | Pass | State |
| 2020-04-08 | HICKORY RUN ENERGY LLC/NORTH BEAVER TWP | NEW CASTLE, Lawrence, PA | Pass | State |
| 2020-04-08 | SWN PROD CO LLC/DEPUE COMP STA | MONTROSE, Susquehanna, PA | Pass | State |
| 2020-04-08 | SWN PROD CO/CARRAR COMP STA | MONTROSE, Susquehanna, PA | Pass | State |
| 2020-04-08 | SWN PROD CO LLC/HAYES WELL PAD | HALLSTEAD, Susquehanna, PA | Pass | State |
| 2020-04-07 | TENSION INTL / KING OF PRUSSIA | KING OF PRUSSIA, Montgomery, PA | Fail | State |
| 2020-04-07 | EASTERN GAS TRANS & STORAGE INC/BOOM STA | LAWRENCEVILLE, Tioga, PA | Pass | State |
| 2020-04-07 | DELAWARE CNTY SWA/ROLLING HILLS MUNI WASTE LDFL | BOYERTOWN, Berks, PA | Pass | State |
| 2020-04-07 | WILLIAMS FIELD SVC CO LLC/TEEL COMP STA | SPRINGVILLE, Susquehanna, PA | Pass | State |
| 2020-04-07 | MARKWEST LIBERTY MIDSTREAM/SMITH COMP STA | BURGETTSTOWN, Washington, PA | Pass | State |
| 2020-04-07 | NFG MIDSTREAM COVINGTON LLC/EMPIRE BOOSTER CS | MANSFIELD, Tioga, PA | Pass | State |
| 2020-04-07 | WILLIAMS FIELD SVC CO LLC/MILLER COMP STA | NEW MILFORD, Susquehanna, PA | Pass | State |
| 2020-04-06 | MARKWEST LIBERTY MIDSTREAM/WELLING COMP STA | CLAYSVILLE, Washington, PA | Pass | State |
| 2020-04-03 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/FULTON BOOSTER STA — high-priority violation on file | HICKORY, Washington, PA | Pass | State |
| 2020-04-02 | HEIDELBERG MATERIALS US CEMENT LLC/NAZARETH | NAZARETH, Northampton, PA | Fail | State |
| 2020-04-02 | HEIDELBERG MATERIALS US CEMENT LLC/EVANSVILLE CEMENT PLT & Q — high-priority violation on file | FLEETWOOD, Berks, PA | Pass | State |
| 2020-04-02 | TRANSCONTINENTAL GAS/SALLADASBURG STATION 520 | JERSEY SHORE, Lycoming, PA | Pass | State |
| 2020-04-02 | ETC NORTHEAST PIPELINE LLC/BARTO COMP STA | HUGHESVILLE, Lycoming, PA | Pass | State |
| 2020-04-02 | EQT PROD CO/MOJO COMPRESSOR UNIT | WASHINGTON, Washington, PA | Pass | State |
| 2020-04-02 | USS/CLAIRTON WORKS — high-priority violation on file | CLAIRTON, Allegheny, PA | Pass | Local |
| 2020-04-01 | TRANSCONTINENTAL GAS/JACKSON TWP STA 517 | BENTON, Columbia, PA | Pass | State |
| 2020-04-01 | REGENCY MARCELLUS GAS GATHERING LLC/SEVERCOOL STA | FORKSTON, Wyoming, PA | Pass | State |
| 2020-04-01 | USS/CLAIRTON WORKS — high-priority violation on file | CLAIRTON, Allegheny, PA | Pass | Local |
| 2020-03-31 | TRANSCONTINENTAL GAS/BEAR CREEK STA 515 | BEAR CREEK, Luzerne, PA | Pass | State |
| 2020-03-31 | EQM GATHERING OPCO LLC/EUROPA COMP STA | CENTER, Greene, PA | Pass | State |
| 2020-03-31 | USS/CLAIRTON WORKS — high-priority violation on file | CLAIRTON, Allegheny, PA | Pass | Local |
| 2020-03-30 | COLUMBIA GAS TRANS CORP/MILFORD COMP STA | MILFORD, Pike, PA | Pass | State |
| 2020-03-30 | REGENCY MARCELLUS GAS GATHERING LLC/ HIRKEY COMP STA | TUNKHANNOCK, Wyoming, PA | Pass | State |
| 2020-03-30 | USS/CLAIRTON WORKS — high-priority violation on file | CLAIRTON, Allegheny, PA | Pass | Local |
| 2020-03-27 | USS/CLAIRTON WORKS — high-priority violation on file | CLAIRTON, Allegheny, PA | Pass | Local |
| 2020-03-26 | REPSOL OIL & GAS USA LLC/PUTNAM COMP STA | TROY, Bradford, PA | Pass | State |
| 2020-03-26 | APPALACHIA MIDSTREAM SVC LLC/RED FOX CDP | FOX, Sullivan, PA | Pass | State |
| 2020-03-26 | WCAA MIDSTREAM LLC/WEITZ SOUTH 20 COMP STA | ADAMSBURG, Westmoreland, PA | Pass | State |
| 2020-03-25 | APPALACHIA MIDSTREAM SVC LLC/STAGECOACH COMP STA | WYALUSING, Bradford, PA | Pass | State |
| 2020-03-24 | TENNESSEE GAS PIPELINE CO/315 WELLSBORO | WELLSBORO, Tioga, PA | Pass | State |
| 2020-03-24 | REPSOL OIL & GAS USA LLC/WATKINS HILL RD | COLUMBIA CROSS ROADS, Bradford, PA | Pass | State |
| 2020-03-24 | APPALACHIA MIDSTREAM SVC LLC/WILMOT COMP STA | WYALUSING, Bradford, PA | Pass | State |
| 2020-03-23 | CALPINE BETHLEHEM LLC/BETHLEHEM — high-priority violation on file | BETHLEHEM, Northampton, PA | Pass | State |
| 2020-03-20 | NEXTERA RENEWABLE FUELS LLC/FREY FARM CRESWELL LDFL | CONESTOGA, Lancaster, PA | Pass | State |
| 2020-03-20 | MARKWEST LIBERTY BLUESTONE LLC/VOLL COMP STA | EVANS CITY, Butler, PA | Pass | State |
| 2020-03-19 | SVC MFG INC/MOUNTAIN TOP | MOUNTAIN TOP, Luzerne, PA | Pass | State |
| 2020-03-19 | REPSOL OIL & GAS USA LLC/DCNR 010 COMP STA | MORRIS RUN, Tioga, PA | Pass | State |
| 2020-03-18 | EQUITRANS LP/JEFFERSON COMP STA | LIPPINCOTT, Greene, PA | Pass | State |
| 2020-03-18 | REPSOL OIL & GAS LLC/COLE COMP STA | TROY, Bradford, PA | Pass | State |
| 2020-03-18 | NEXTERA RENEWABLE FUELS LLC/BLUE RIDGE LDFL | SCOTLAND, Franklin, PA | Pass | State |
| 2020-03-18 | APPALACHIA MIDSTREAM SVC LLC/RATTLESNAKE HILL COMP STA | AUBURN TOWNSHIP, Susquehanna, PA | Pass | State |
| 2020-03-18 | EXPAND OPERATING LLC/JES BRA WELL PAD | WILMONT, Bradford, PA | Pass | State |
| 2020-03-17 | COLUMBIA GAS TRANS LLC/EAGLE | CHESTER SPRINGS, Chester, PA | Pass | State |
| 2020-03-17 | CLARION BOARDS/CLARION PLT | SHIPPENVILLE, Clarion, PA | Pass | State |
| 2020-03-17 | APPALACHIA MIDSTREAM SVC LLC/STONEHOUSE COMP STA | RUSH, Susquehanna, PA | Pass | State |
| 2020-03-17 | APPALACHIA MIDSTREAM SVC LLC/AUBURN COMP STA | MESHOPPEN, Susquehanna, PA | Pass | State |
| 2020-03-16 | NATL FUEL GAS SUPPLY/ELLISBURG STA | ELLISBURG, Potter, PA | Pass | State |
| 2020-03-16 | TENNESSEE GAS PIPELINE CO LLC/COMP STA 321 | CLIFFORD, Susquehanna, PA | Pass | State |
| 2020-03-12 | MT CARMEL COGEN/CULM FIRED COGEN PLT — high-priority violation on file | MARION HEIGHTS, Northumberland, PA | Pass | State |
| 2020-03-12 | REPSOL OIL & GAS USA LLC/EDSELL COMP STA | LE RAYSVILLE, Bradford, PA | Pass | State |
| 2020-03-11 | GILBERTON POWER CO/JOHN B RICH MEM POWER STA | FRACKVILLE, Schuylkill, PA | Pass | State |
| 2020-03-11 | DYNAMET INC/ARDEN FAC | WASHINGTON, Washington, PA | Fail | State |
| 2020-03-11 | ABINGTON RELDAN METALS LLC/FAIRLESS HILLS — high-priority violation on file | FAIRLESS HILLS, Bucks, PA | Pass | State |
| 2020-03-10 | SCHUYLKILL ENERGY RES/ST NICHOLAS COGEN — high-priority violation on file | SHENANDOAH, Schuylkill, PA | Pass | State |
| 2020-03-10 | PENN MED LANCASTER GEN HOSP/LANCASTER GEN HOSP | LANCASTER, Lancaster, PA | Pass | State |
| 2020-03-10 | ACCUPAC INC/MAINLAND | MAINLAND, Montgomery, PA | Fail | State |
| 2020-03-10 | WATCO TRANSLOADING LLC/LOT 3 | MIDLAND, Beaver, PA | Pass | State |
| 2020-03-10 | NFG MIDSTREAM COVINGTON LLC/STOCK 144 COMP STA | WELLSBORO, Tioga, PA | Pass | State |
| 2020-03-10 | DIVERSIFIED MIDSTREAM LLC/TIOGA COMP STA | WELLSBORO, Tioga, PA | Pass | State |
| 2020-03-10 | REPSOL OIL& GAS USA LLC/REPINE COMP STA | LITTLE MEADOWS, Susquehanna, PA | Pass | State |
| 2020-03-09 | NFG MIDSTREAM TROUT RUN LLC/TROUT RUN MTN COMP STA | TROUT RUN, Lycoming, PA | Pass | State |
| 2020-03-06 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/NANCY STEWART | MOUNT PLEASANT, Washington, PA | Pass | State |
| 2020-03-06 | EQT ARO LLC/ELBOW PAD B COMP STA — high-priority violation on file | COGAN HOUSE, Lycoming, PA | Pass | State |
| 2020-03-06 | USS CORP/EDGAR THOMSON WORKS — high-priority violation on file | BRADDOCK, Allegheny, PA | Pass | Local |
| 2020-03-05 | SUNOCO MIDSTREAM LLC/WILLIAMSPORT - SUNOCO LLC | SOUTH WILLIAMSPORT, Lycoming, PA | Pass | State |
| 2020-03-05 | REPSOL OIL & GAS USA LLC/THOMAS COMP STA | TROY, Bradford, PA | Pass | State |
| 2020-03-05 | MARKWEST LIBERTY MIDSTREAM/WELLING COMP STA | CLAYSVILLE, Washington, PA | Pass | State |
| 2020-03-05 | REGENCY MARCELLUS GAS GATHERING LLC/ HIRKEY COMP STA | TUNKHANNOCK, Wyoming, PA | Pass | State |
| 2020-03-04 | CLEVELAND STEEL CONTAINER/QUAKERTOWN | QUAKERTOWN, Bucks, PA | Pass | State |
| 2020-03-04 | CLEVELAND STEEL CONTAINER/QUAKERTOWN | QUAKERTOWN, Bucks, PA | Pass | State |
| 2020-03-04 | MARKWEST LIBERTY M&R/TUPTA DAY COMP STA | WASHINGTON, Washington, PA | Pass | State |
| 2020-03-04 | CPV FAIRVIEW LLC/FAIRVIEW ENERGY CTR — high-priority violation on file | JOHNSTOWN, Cambria, PA | Pass | State |
| 2020-03-04 | WILLIAMS FIELD SVC CO/MACNEW COMP STA | HOP BOTTOM, Susquehanna, PA | Pass | State |
| 2020-03-04 | LOAN ASSET ISSUER LLC/WEST FINLEY 1 WELL PAD | WEST FINLEY, Washington, PA | Pass | State |
| 2020-03-04 | USS CORP/EDGAR THOMSON WORKS — high-priority violation on file | BRADDOCK, Allegheny, PA | Pass | Local |
| 2020-03-04 | NAVAL FOUNDRY AND PROPELLER CTR/PHILA | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2020-03-03 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/SHAW COMP STA | WASHINGTON, Washington, PA | Pass | State |
| 2020-03-03 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/LOWRY COMP STA | AVELLA, Washington, PA | Pass | State |
| 2020-03-03 | REPSOL OIL AND GAS USA/TRACT 587 SFL COMP STA | CANTON, Tioga, PA | Pass | State |
| 2020-03-03 | REGENCY MARCELLUS GAS GATHERING LLC/POORMAN COMP STA | LOCK HAVEN, Clinton, PA | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.