EPA Air · stack tests by state and year
Air-emissions stack tests in Pennsylvania, 2024
- 905Stack 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 2024; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Pennsylvania, 2024
- Susquehanna County 136
- Washington County 66
- Bradford County 54
- Allegheny County 52
- Philadelphia County 44
- Lycoming County 43
- Greene County 40
- Tioga County 37
- Wyoming County 27
- Armstrong County 24
- Butler County 23
- Westmoreland County 19
- Indiana County 18
- Lancaster County 18
- Beaver County 17
- Luzerne County 16
- Delaware County 16
- Montgomery County 16
- Berks County 14
- McKean County 12
- Schuylkill County 12
- Fayette County 12
- Northampton County 10
- York County 10
- Jefferson County 10
- Dauphin County 9
- Mercer County 9
- Clinton County 8
- Lawrence County 8
- Bucks County 8
- Chester County 7
- Montour County 7
- Potter County 7
- Cambria County 6
- Lackawanna County 6
- Juniata County 5
- Erie County 5
- Centre County 5
- Carbon County 5
- Crawford County 5
- Elk County 5
- Cumberland County 4
- Columbia County 4
- Venango County 4
- Blair County 4
- Clarion County 4
- Somerset County 4
- Clearfield County 3
- Warren County 3
- Adams County 3
- Sullivan County 3
- Franklin County 3
- Huntingdon County 3
Pennsylvania, other years
Air-emissions stack tests recorded in Pennsylvania, 2024
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2024-06-07 | BEFESA ZINC US INC./PALMERTON — high-priority violation on file | PALMERTON, Carbon, PA | Pass | State |
| 2024-06-07 | HIGHWAY MATERIALS INC/DOWNINGTOWN | DOWNINGTOWN, Chester, PA | Pass | State |
| 2024-06-06 | UGI AUBURN GATHERING LLC/AUBURN COMP STA | AUBURN, Susquehanna, PA | Pass | State |
| 2024-06-06 | PA STATE UNIV/WPSU TOWER | CLEARFIELD, Clearfield, PA | Pass | State |
| 2024-06-06 | UGI AUBURN GATHERING LLC/ MANNING COMPRESSOR LNG STA | MESHOPPEN, Wyoming, PA | Pass | State |
| 2024-06-06 | SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file | MONACA, Beaver, PA | Pass | State |
| 2024-06-06 | EXPAND OPERATING LLC/NR-23 FOUR BUCKS PAD | SUSQUEHANNA, Susquehanna, PA | Pass | State |
| 2024-06-06 | NORTHEAST WPCP/PHILA — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2024-06-06 | NORTHEAST WPCP/PHILA — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2024-06-06 | NORTHEAST WPCP/PHILA — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2024-06-06 | NORTHEAST WPCP/PHILA — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2024-06-05 | REWORLD DELAWARE VALLEY LP/DELAWARE VALLEY RES REC — high-priority violation on file | CHESTER, Delaware, PA | Pass | State |
| 2024-06-05 | NEXTERA RENEWABLE FUELS LLC/LYCO LANDFILL LFGTE PLT | MONTGOMERY, Lycoming, PA | Pass | State |
| 2024-06-05 | REGENCY MARCELLUS GAS GATHERING LLC/QUAKER STATE RD COMP STA | MONTOURSVILLE, Lycoming, PA | Pass | State |
| 2024-06-05 | EXPAND OPERATING LLC/ RU-13 TONYA EAST PAD | NEW MILFORD, Susquehanna, PA | Pass | State |
| 2024-06-05 | ALLEGHENY ENERGY SUPPLY/SPRINGDALE | PITTSBURGH, Allegheny, PA | Pass | Local |
| 2024-06-04 | WASTE MGMT DSPL SVC /DBA MTN VIEW LDFL | GREENCASTLE, Franklin, PA | Pass | State |
| 2024-06-04 | SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file | MONACA, Beaver, PA | Pass | State |
| 2024-06-04 | EQM GATHERING OPCO LLC/PISCES COMP STA | CLAYSVILLE, Washington, PA | Pass | State |
| 2024-06-04 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/MCMICHAEL COMP STA | CLINTON, Beaver, PA | Pass | State |
| 2024-06-04 | ALPEK POLYESTER USA LLC/READING | READING, Berks, PA | Pass | State |
| 2024-06-04 | EXPAND OPERATING LLC/GU-VW MCMAHON WELL PAD | STEVENSVILLE, Bradford, PA | Pass | State |
| 2024-06-04 | EXPAND OPERATING LLC/TIFFANY WYO PAD | LACEYVILLE, Wyoming, PA | Pass | State |
| 2024-06-04 | USS/CLAIRTON WORKS — high-priority violation on file | CLAIRTON, Allegheny, PA | Pass | Local |
| 2024-06-04 | ALLEGHENY ENERGY SUPPLY/SPRINGDALE | PITTSBURGH, Allegheny, PA | Pass | Local |
| 2024-05-31 | REWORLD DELAWARE VALLEY LP/DELAWARE VALLEY RES REC — high-priority violation on file | CHESTER, Delaware, PA | Pass | State |
| 2024-05-31 | SNYDER BROS INC/ENSIGN COMPRESSOR STATION | FREEPORT, Armstrong, PA | Pass | State |
| 2024-05-30 | PA STATE UNIV/UNIV PARK CAMPUS | UNIVERSITY PARK, Centre, PA | Pass | State |
| 2024-05-30 | SNYDER BROS INC/WHITE COMP STA | KITTANNING, Armstrong, PA | Pass | State |
| 2024-05-30 | WILLIAMS, D. PAD 1 | KINGSLEY, Susquehanna, PA | Pass | State |
| 2024-05-30 | BUSIK, J. PAD 1 | MONTROSE, Susquehanna, PA | Pass | State |
| 2024-05-29 | SGL CARBON CORP/ST MARYS PLT | SAINT MARYS, Elk, PA | Pass | State |
| 2024-05-29 | WASTE MGMT PA/LAKE VIEW LANDFILL | ERIE, Erie, PA | Pass | State |
| 2024-05-29 | LAUREL MTN MIDSTREAM OPR LLC/SHAMROCK COMP STA — high-priority violation on file | SALEM, Fayette, PA | Pass | State |
| 2024-05-29 | REGENCY MARCELLUS GAS GATHERING LLC/OGONTZ WEST COMP STA | CUMMINS TWP, Lycoming, PA | Pass | State |
| 2024-05-29 | SNYDER BROS INC/AMBROSE COMP STA | ADRIAN, Armstrong, PA | Pass | State |
| 2024-05-29 | EQM GATHERING OPCO LLC/PISCES COMP STA | CLAYSVILLE, Washington, PA | Pass | State |
| 2024-05-29 | HOWELL, G. PAD 1 | MESHOPPEN, Susquehanna, PA | Pass | State |
| 2024-05-29 | DOBROSIELSKI, S PAD 1 | MESHOPPEN, Susquehanna, PA | Pass | State |
| 2024-05-28 | ABBOTT, M. PAD 1 | NEW MILFORD, Susquehanna, PA | Pass | State |
| 2024-05-24 | GOLDEN EAGLE CONST CO/EIGHTY FOUR PLT | EIGHTY FOUR, Washington, PA | Pass | State |
| 2024-05-24 | SNYDER BROS INC/MUSHROOM MINE COMP STA | WORTHINGTON, Armstrong, PA | Pass | State |
| 2024-05-23 | SVC MFG INC/MOUNTAIN TOP | MOUNTAIN TOP, Luzerne, PA | Pending | State |
| 2024-05-23 | SNYDER BROS INC/FURNACE RUN COMP STA | ADRIAN, Armstrong, PA | Pass | State |
| 2024-05-23 | SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file | MONACA, Beaver, PA | Pending | State |
| 2024-05-23 | CHILDRENS HOSP OF PHILA/ PHILA | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2024-05-22 | KC MIDSTREAM SOLUTIONS LLC/OVERBEK STA | RIDGWAY, Elk, PA | Pass | State |
| 2024-05-22 | USS/CLAIRTON WORKS — high-priority violation on file | CLAIRTON, Allegheny, PA | Pass | Local |
| 2024-05-21 | EASTERN GAS TRANS & STORAGE INC/PERULACK COMP STA | EAST WATERFORD, Juniata, PA | Pass | State |
| 2024-05-21 | SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file | MONACA, Beaver, PA | Pending | State |
| 2024-05-21 | LAUREL MACADAM LLC/SPRINGHILL ASPHALT PLT | LAKE LYNN, Fayette, PA | Pass | State |
| 2024-05-16 | DERRY CONST CO INC/DELMONT PLT | DELMONT, Westmoreland, PA | Pass | State |
| 2024-05-16 | ARDEN LDFL/CHARTIERS TWP | WASHINGTON, Washington, PA | Pass | State |
| 2024-05-16 | BRDARIC BUCK MTN QUA/BUCK MTN | SWOYERVILLE, Luzerne, PA | Pass | State |
| 2024-05-16 | WILLIAMS FIELD SVC CO/POTTER COMP STA | KINGSLEY, Susquehanna, PA | Pass | State |
| 2024-05-16 | EXPAND OPERATING LLC/CURTIN WYO PAD | LACEYVILLE, Wyoming, PA | Pass | State |
| 2024-05-16 | USS/CLAIRTON WORKS — high-priority violation on file | CLAIRTON, Allegheny, PA | Pass | Local |
| 2024-05-15 | HEIDELBERG MATERIALS US CEMENT LLC/EVANSVILLE CEMENT PLT & Q — high-priority violation on file | FLEETWOOD, Berks, PA | Pass | State |
| 2024-05-15 | WASTE MGMT PA/TULLYTOWN RES REC FAC | TULLYTOWN, Bucks, PA | Pass | State |
| 2024-05-15 | EQUITRANS LP/JEFFERSON COMP STA | LIPPINCOTT, Greene, PA | Pass | State |
| 2024-05-15 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/REDD COMP STA | WASHINGTON, Washington, PA | Pass | State |
| 2024-05-15 | HILCORP ENERGY CO/JEFFERSON MONTGOMERY STA | JEFFERSON TOWNSHIP, Mercer, PA | Pass | State |
| 2024-05-15 | HILCORP ENERGY CO/NCD CENTRAL FAC | NEW CASTLE, Lawrence, PA | Pass | State |
| 2024-05-15 | FRESHPET INC/BETHLEHEM | BETHLEHEM, Northampton, PA | Pass | State |
| 2024-05-14 | MARKWEST LIBERTY BLUESTONE LLC/BLUESTONE GAS PROC PLT | EVANS CITY, Butler, PA | Pass | State |
| 2024-05-14 | WILLIAMS FIELD SVC CO LLC/HAWLEY COMP STA | MONTROSE, Susquehanna, PA | Pass | State |
| 2024-05-14 | HILCORP ENERGY CO/LACKAWANNOCK LARMON CTL FAC | MERCER, Mercer, PA | Pass | State |
| 2024-05-14 | RANGE RESOURCES APPALACHIA LLC/SGL 075A 12682 | TROUT RUN, Lycoming, PA | Pass | State |
| 2024-05-13 | RW GATHERING LLC/ECKER BERGMAN RD COMP STA | DERRY TWP, Westmoreland, PA | Pass | State |
| 2024-05-13 | RW GATHERING LLC/SALEM COMP STA | DERRY, Westmoreland, PA | Pass | State |
| 2024-05-10 | LANCASTER CNTY SWMA/SUSQ RESOURCE MGMT COMPLEX — high-priority violation on file | HARRISBURG, Dauphin, PA | Fail | State |
| 2024-05-10 | O-I GLASS INC/OWENS BROCKWAY GLASS CONTAINER PLT 19 | BROCKPORT, Jefferson, PA | Pass | State |
| 2024-05-10 | HICKORY RUN ENERGY LLC/NORTH BEAVER TWP | NEW CASTLE, Lawrence, PA | Pass | State |
| 2024-05-09 | TEXAS EASTERN TRANS LP/HOLBROOK STA | WIND RIDGE, Greene, PA | Pass | State |
| 2024-05-09 | TEXAS EASTERN TRANS LP/HOLBROOK STA | WIND RIDGE, Greene, PA | Pass | State |
| 2024-05-09 | MATSON LUMBER CO/CORSICA PLT | BROOKVILLE, Jefferson, PA | Pass | State |
| 2024-05-09 | NEXTERA RENEWABLE FUELS LLC/BLUE RIDGE LDFL | SCOTLAND, Franklin, PA | Pass | State |
| 2024-05-09 | WILLIAMS FIELD SVC CO/POTTER COMP STA | KINGSLEY, Susquehanna, PA | Pass | State |
| 2024-05-09 | HILCORP ENERGY CO/NORTH BEAVER KEPHART PROD FAC | ENON VALLEY, Lawrence, PA | Pass | State |
| 2024-05-08 | DELMONT TERMINALS LLC/DELMONT | DELMONT, Westmoreland, PA | Pass | State |
| 2024-05-08 | REGENCY MARCELLUS GAS GATHERING LLC/SEVERCOOL STA | FORKSTON, Wyoming, PA | Pass | State |
| 2024-05-08 | ETC NORTHEAST PIPELINE LLC/RED BEND COMP STA | TROUT RUN, Lycoming, PA | Pass | State |
| 2024-05-08 | HILCORP ENERGY CO/MAHONING SIEGEL FACILITY — high-priority violation on file | EDINBURG, Lawrence, PA | Pass | State |
| 2024-05-08 | SOUTHWESTERN ENERGY CO/TNT LIMITED PARTNERSHIP WEST 6H | NEW MILFORD, Susquehanna, PA | Pass | State |
| 2024-05-07 | EQUITRANS LP/TRUITTSBURG STA | FAIRMOUNT CITY, Clarion, PA | Pass | State |
| 2024-05-07 | DONALDSON CO INC/FEASTERVILLE | FEASTERVILLE, Bucks, PA | Pass | State |
| 2024-05-07 | REGENCY MARCELLUS GAS GATHERING LLC/OGONTZ WEST COMP STA | CUMMINS TWP, Lycoming, PA | Pass | State |
| 2024-05-06 | RW GATHERING LLC/MOSHANNON COMP STA | DRIFTING, Clearfield, PA | Pass | State |
| 2024-05-02 | HERCULES CEMENT CO LLC/STOCKERTOWN | STOCKERTOWN, Northampton, PA | Pass | State |
| 2024-05-01 | ADVANCED CAST PRODUCTS/MEADVILLE — high-priority violation on file | MEADVILLE, Crawford, PA | Pass | State |
| 2024-05-01 | MONROE ENERGY LLC/TRAINER — high-priority violation on file | TRAINER, Delaware, PA | Pass | State |
| 2024-05-01 | FLOWERS BAKING CO/OXFORD PLT — high-priority violation on file | OXFORD, Chester, PA | Pass | State |
| 2024-04-30 | GREATER HAZLETON JT SEW AUTH/WEST HAZLETON STP — high-priority violation on file | WEST HAZLETON, Luzerne, PA | Pass | State |
| 2024-04-30 | GREATER HAZLETON JT SEW AUTH/WEST HAZLETON STP — high-priority violation on file | WEST HAZLETON, Luzerne, PA | Fail | State |
| 2024-04-30 | NATL FUEL GAS SUPPLY/ELLISBURG STA | ELLISBURG, Potter, PA | Pass | State |
| 2024-04-30 | MONROE ENERGY LLC/TRAINER — high-priority violation on file | TRAINER, Delaware, PA | Pass | State |
| 2024-04-30 | MARKWEST LIBERTY MIDSTREAM/ CARPENTER COMP STA | WEST ALEXANDRIA, Washington, PA | Pass | State |
| 2024-04-29 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/LOWRY COMP STA | AVELLA, Washington, PA | Pass | State |
| 2024-04-29 | EMPIRE PIPELINE INC/JACKSON COMP STA | LAWRENCEVILLE, Tioga, PA | Pass | State |
| 2024-04-25 | PIXELLE SPEC SOLUTIONS LLC/SPRING GROVE — high-priority violation on file | SPRING GROVE, York, PA | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.