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 |
|---|---|---|---|---|
| 2022-08-23 | MARKWEST LIBERTY MIDSTREAM/ CARPENTER COMP STA | WEST ALEXANDRIA, Washington, PA | Pass | State |
| 2022-08-23 | LINDY PAVING INC/STERRETTANIA ASPHALT PLT | FAIRVIEW, Erie, PA | Pass | State |
| 2022-08-22 | EXPAND OPERATING LLC/TI-09-BROWN WELL PAD | LIBERTY, Lycoming, PA | Pass | State |
| 2022-08-22 | EXPAND OPERATING LLC/TI-07 CUPPER WELL PAD | LIBERTY, Tioga, PA | Pass | State |
| 2022-08-19 | PA DEPT OF CORR/LAUREL HIGHLANDS SCI | SOMERSET, Somerset, PA | Pass | State |
| 2022-08-19 | DIVERSIFIED PROD LLC/NV 34 WELLPAD — high-priority violation on file | PROSPERITY, Washington, PA | Pass | State |
| 2022-08-19 | DIVERSIFIED PROD LLC/NINEVEH 58 WELL PAD — high-priority violation on file | PROSPERITY, Washington, PA | Pass | State |
| 2022-08-19 | DIVERSIFIED PROD LLC/NV 60 WELLPAD | CLAYSVILLE, Washington, PA | Pass | State |
| 2022-08-18 | NORTHEAST PAVING/WASHINGTON PLANT | EIGHTY FOUR, Washington, PA | Pass | State |
| 2022-08-18 | SEWARD GENERATING STATION/SEWARD | NEW FLORENCE, Indiana, PA | Pass | State |
| 2022-08-17 | SEI INVESTMENTS CO/OAKS | OAKS, Montgomery, PA | Pass | State |
| 2022-08-17 | ENERGY DEVS MORGANTOWN LLC/CAERNARVON TWP | MORGANTOWN, Berks, PA | Fail | State |
| 2022-08-17 | EASTERN GAS TRANS & STORAG INC/ROCK SPRINGS COMP STA | DELMONT, Westmoreland, PA | Pass | State |
| 2022-08-17 | USS/CLAIRTON WORKS — high-priority violation on file | CLAIRTON, Allegheny, PA | Pass | Local |
| 2022-08-17 | MCCONWAY & TORLEY LLC/STEEL CASTINGS MFG | PITTSBURGH, Allegheny, PA | Pass | Local |
| 2022-08-16 | ECKART AMERICA LLC/LINCOLN DR PLT | TAMAQUA, Schuylkill, PA | Pass | State |
| 2022-08-16 | STECKMAN RIDGE LP/CLEARVILLE | CLEARVILLE, Bedford, PA | Pass | State |
| 2022-08-16 | SENECA RESOURCES CORP/PHC COMP STA | CLEARFIELD, Clearfield, PA | Pass | State |
| 2022-08-16 | USS/CLAIRTON WORKS — high-priority violation on file | CLAIRTON, Allegheny, PA | Pass | Local |
| 2022-08-15 | NFG MIDSTREAM COVINGTON LLC/SHAW COMP STA | MAINESBURG, Tioga, PA | Pass | State |
| 2022-08-12 | WHEELABRATOR FALLS INC/FALLS TWP — high-priority violation on file | MORRISVILLE, Bucks, PA | Pass | State |
| 2022-08-12 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/JOHNSTON COMP STA | CANONSBURG, Washington, PA | Pass | State |
| 2022-08-12 | HERMITAGE MUNI AUTH/HERMITAGE WPCP | HERMITAGE, Mercer, PA | Fail | State |
| 2022-08-12 | USS/CLAIRTON WORKS — high-priority violation on file | CLAIRTON, Allegheny, PA | Pass | Local |
| 2022-08-11 | RSI METAL LITHO/GREENVILLE | GREENVILLE, Mercer, PA | Pass | State |
| 2022-08-11 | REGENCY MARCELLUS GAS GATHERING LLC/TAYLOR COMP STA | CANTON, Bradford, PA | Fail | State |
| 2022-08-11 | CNX MIDSTREAM OPR CO LLC/NV-57 COMP STA | PROSPERITY, Washington, PA | Pass | State |
| 2022-08-11 | SYNTHOMER JEFFERSON HILLS LLC | WEST ELIZABETH, Allegheny, PA | Pass | Local |
| 2022-08-10 | PEOPLES NATURAL GAS CO/ARNOLD COMP STA | NEW KENSINGTON, Westmoreland, PA | Pass | State |
| 2022-08-10 | MARKWEST LIBERTY M&R/TUPTA DAY COMP STA | WASHINGTON, Washington, PA | Pass | State |
| 2022-08-09 | HIGHWAY MATERIALS INC/MALVERN PLT 13 | FRAZER, Chester, PA | Pass | State |
| 2022-08-09 | PA DHS/POLK CTR — high-priority violation on file | POLK, Venango, PA | Pass | State |
| 2022-08-09 | MARKWEST LIBERTY MIDSTREAM/BRIGICH COMP STA | CANONSBURG, Washington, PA | Pass | State |
| 2022-08-08 | MARKWEST LIBERTY MIDSTREAM/WELLING COMP STA | CLAYSVILLE, Washington, PA | Pass | State |
| 2022-08-08 | UGI MORAINE EAST GATHERING LLC/RENICK COMP STA | WEST SUNBURY, Butler, PA | Pass | State |
| 2022-08-06 | ARCONIC US LLC/LANCASTER — high-priority violation on file | LANCASTER, Lancaster, PA | Pass | State |
| 2022-08-03 | WILLIAMS FIELD SVC CO LLC/KANE ROAD COMP STA | MONTROSE, Susquehanna, PA | Pass | State |
| 2022-08-03 | NFG MIDSTREAM TROUT RUN LLC/HAGERMAN GAS & PROC METERING FAC | TROUT RUN, Lycoming, PA | Pass | State |
| 2022-08-03 | MARKWEST LIBERTY BLUESTONE LLC/ROYAL OAK COMP STA | EVANS CITY, Butler, PA | Pass | State |
| 2022-08-03 | XTO ENERGY INC/GUIHER LUTHERYN | BUTLER, Butler, PA | Pass | State |
| 2022-08-03 | BYLER QUARRIES LLC/FIDDLERS ELBOW QUARRY S | MIDDLETOWN, Dauphin, PA | Fail | State |
| 2022-08-03 | USS/CLAIRTON WORKS — high-priority violation on file | CLAIRTON, Allegheny, PA | Pass | Local |
| 2022-08-02 | EASTERN GAS TRANS & STORAGE/PUNXSUTAWNEY | PUNXSUTAWNEY, Jefferson, PA | Pass | State |
| 2022-08-02 | COLUMBIA GAS TRANS CORP/MILFORD COMP STA | MILFORD, Pike, PA | Pass | State |
| 2022-08-02 | TENNESSEE GAS PIPELINE/COMP STA 303 | JAMESTOWN, Venango, PA | Pass | State |
| 2022-08-02 | WILLIAMS FIELD SVC CO LLC/NORTHEAST COMP STA | HALLSTEAD, Susquehanna, PA | Pass | State |
| 2022-08-02 | METALS USA/FALLS TWP — high-priority violation on file | LANGHORNE, Bucks, PA | Pass | State |
| 2022-08-02 | USS/CLAIRTON WORKS — high-priority violation on file | CLAIRTON, Allegheny, PA | Pass | Local |
| 2022-08-01 | WILLIAMS FIELD SVC CO LLC/SNAKE CREEK COMP STA | CLARKS SUMMIT, Susquehanna, PA | Pass | State |
| 2022-07-29 | LACKAWANNA ENERGY CTR LLC/JESSUP — high-priority violation on file | JESSUP, Lackawanna, PA | Pass | State |
| 2022-07-28 | ERIE SEWER AUTHORITY/ERIE WWTP — high-priority violation on file | ERIE, Erie, PA | Fail | State |
| 2022-07-28 | EXPAND OPERATING LLC/CAPPUCCI WELL PAD | MEHOOPANY, Wyoming, PA | Pass | State |
| 2022-07-28 | LINDY PAVING INC/2ND AVE PLT | PITTSBURGH, Allegheny, PA | Pass | Local |
| 2022-07-26 | PALMER INTL INC/SKIPPACK | SKIPPACK, Montgomery, PA | Pass | State |
| 2022-07-26 | MONTOUR LLC/MONTOUR SES | WASHINGTONVILLE, Montour, PA | Pass | State |
| 2022-07-26 | EASTERN GAS TRANS & STORAGE INC/GREENLICK STA | STEWARDSON TWP, Potter, PA | Pass | State |
| 2022-07-26 | APPALACHIA MIDSTREAM SVC LLC/RATTLESNAKE HILL COMP STA | AUBURN TOWNSHIP, Susquehanna, PA | Pass | State |
| 2022-07-26 | HILCORP ENERGY CO/PULASKI WHITING CTL FAC — high-priority violation on file | EDINBURG, Lawrence, PA | Fail | State |
| 2022-07-26 | REV LNG SSL BC LLC/NICHE LNG LLC - TOWANDA FAC | WYALUSING, Bradford, PA | Pass | State |
| 2022-07-25 | EQT ARO LLC/TRACT 289 COMP STA — high-priority violation on file | JERSEY SHORE, Lycoming, PA | Pass | State |
| 2022-07-25 | EQT ARO LLC/ELBOW PAD B COMP STA — high-priority violation on file | COGAN HOUSE, Lycoming, PA | Pass | State |
| 2022-07-22 | HOMER CITY GEN LP/CENTER TWP | HOMER CITY, Indiana, PA | Pass | State |
| 2022-07-22 | ELLWOOD NATL FORGE/IRVINE | IRVINE, Warren, PA | Pass | State |
| 2022-07-21 | UNITED REFINING CO/WARREN PLT | WARREN, Warren, PA | Pass | State |
| 2022-07-21 | EASTERN GAS TRANS & STORAGE/RURAL VLY COMP STA | KITTANNING, Armstrong, PA | Pass | State |
| 2022-07-21 | REGENCY MARCELLUS GAS GATHERING LLC/ROUPP COMP STA | MIFFLIN, Lycoming, PA | Pass | State |
| 2022-07-21 | PINE RUN MIDSTREAM LLC/BASS COMP STA | SAXONBURG, Butler, PA | Pass | State |
| 2022-07-21 | WOLF RUN ENERGY LLC/ELECTRIC GENERATION STATION | WYALUSING, Bradford, PA | Pass | State |
| 2022-07-20 | MAGNESITA REFRACTORIES/YORK — high-priority violation on file | YORK, York, PA | Pass | State |
| 2022-07-20 | UNITED REFINING CO/WARREN PLT | WARREN, Warren, PA | Fail | State |
| 2022-07-20 | HEP PENNSYLVANIA GATHERING LLC/LAUREL HILL COMP STA | TROUT RUN, Lycoming, PA | Pass | State |
| 2022-07-20 | EQM GATHERING OPCO LLC/BLUE MOON COMP STA | DAISYTOWN, Washington, PA | Pass | State |
| 2022-07-19 | MORGAN ADV MAT & TECH/COUDERSPORT PLT | COUDERSPORT, Potter, PA | Pass | State |
| 2022-07-19 | ABINGTON RELDAN METALS LLC/FAIRLESS HILLS — high-priority violation on file | FAIRLESS HILLS, Bucks, PA | Fail | State |
| 2022-07-19 | ABINGTON RELDAN METALS LLC/FAIRLESS HILLS — high-priority violation on file | FAIRLESS HILLS, Bucks, PA | Pass | State |
| 2022-07-19 | HEP PENNSYLVANIA GATHERING LLC/WHITE CPF 1 COMP STA | STEVENSVILLE, Bradford, PA | Pass | State |
| 2022-07-19 | EQUITRANS LP/REDHOOK COMPRESSOR STATION | WAYNESBURG, Greene, PA | Pass | State |
| 2022-07-18 | MTN GATHERING LLC/DRY RUN COMP STA | CHAPMAN, Clinton, PA | Pass | State |
| 2022-07-15 | HOMER CITY GEN LP/CENTER TWP | HOMER CITY, Indiana, PA | Pass | State |
| 2022-07-15 | COLUMBIA GAS TRANS CORP/DONEGAL COMP STA | WEST ALEXANDER, Washington, PA | Pass | State |
| 2022-07-14 | PEOPLES NATURAL GAS CO LLC/BELKNAP COMP STA | DAYTON, Armstrong, PA | Pass | State |
| 2022-07-14 | REGENCY MARCELLUS GAS GATHERING LLC/QUAKER STATE RD COMP STA | MONTOURSVILLE, Lycoming, PA | Pass | State |
| 2022-07-13 | PEOPLES NATURAL GAS CO LLC/VALLEY STA | YATESBORO, Armstrong, PA | Pass | State |
| 2022-07-13 | EASTERN GAS TRANS & STORAGE INC/SABINSVILLE STA | WESTFIELD, Tioga, PA | Pass | State |
| 2022-07-13 | HEP PA GATHERING LLC/GREENZWEIG COMP STA | WYALUSING, Bradford, PA | Pass | State |
| 2022-07-12 | ADVANCED CAST PRODUCTS/MEADVILLE — high-priority violation on file | MEADVILLE, Crawford, PA | Pass | State |
| 2022-07-12 | EASTERN GAS TRANS & STORAGE INC/JB TONKIN STA | MURRYSVILLE, Westmoreland, PA | Pass | State |
| 2022-07-12 | GREYLOCK MIDSTREAM LLC/CUMBERLAND HENDERSON COMP STA | CARMICHAELS, Greene, PA | Pass | State |
| 2022-07-12 | HEP PENNSYLVANIA GATHERING LLC/CLARK CPF 1 COMP STA | WYSOX, Bradford, PA | Pass | State |
| 2022-07-08 | QUAD GRAPHICS MARKETING LLC/CHALFONT | CHALFONT, Bucks, PA | Pass | State |
| 2022-07-08 | GREIF PKG LLC/WARMINSTER | WARMINSTER, Bucks, PA | Pass | State |
| 2022-07-08 | GLENN O HAWBAKER INC/MONTOURSVILLE PLT 15 | MONTOURSVILLE, Lycoming, PA | Pass | State |
| 2022-07-08 | BLUESTONE PIPELINE CO OF PA/HARMONY COMP STA | SUSQUEHANNA, Susquehanna, PA | Fail | State |
| 2022-07-07 | NFG MIDSTREAM COVINGTON LLC/NETTERMAN COMP STA | WELLSBORO, Tioga, PA | Pass | State |
| 2022-07-07 | MUSSELMAN FUNERAL HOME & CREMATION SVC/LEMOYNE — high-priority violation on file | LEMOYNE, Cumberland, PA | Pass | State |
| 2022-07-07 | EXPAND OPERATING LLC/TIFFANY WYO PAD | LACEYVILLE, Wyoming, PA | Pass | State |
| 2022-07-07 | MIPC LLC/ PHILA | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2022-07-07 | EASTERN CREAMATORY | PHILADELPHIA, Philadelphia, PA | Fail | Local |
| 2022-07-06 | COLUMBIA GAS TRANS CORP/GREENCASTLE | GREENCASTLE, Franklin, PA | Pass | State |
| 2022-07-06 | GREENTREE BOOSTER COMPRESSOR/ BROCKWAY | BROCKWAY, Elk, PA | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.