EPA Air · violations by state and year
High-priority air violations in Pennsylvania, 2025
- 523Violations
A high-priority violation is the most serious class of Clean Air Act non-compliance an agency records against a source; a federally reportable violation is the next step down in severity. Every violation below was recorded against a source in Pennsylvania during 2025; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Pennsylvania, 2025
- Montgomery County 52
- Philadelphia County 48
- Bucks County 31
- Susquehanna County 30
- Delaware County 26
- Beaver County 25
- Schuylkill County 23
- Westmoreland County 21
- Lancaster County 16
- Northampton County 16
- Luzerne County 16
- Fayette County 16
- Mercer County 15
- York County 14
- Berks County 12
- Chester County 12
- Lawrence County 12
- Washington County 10
- Clearfield County 7
- Erie County 7
- Northumberland County 7
- Crawford County 6
- Wyoming County 6
- Lackawanna County 6
- Adams County 6
- Lehigh County 6
- Cambria County 5
- Cumberland County 5
- Dauphin County 5
- Franklin County 5
- Bradford County 4
- Butler County 4
- Lycoming County 3
- Centre County 3
- Carbon County 3
- Greene County 3
- Bedford County 3
- Jefferson County 3
- Indiana County 3
Pennsylvania, other years
High-priority air violations recorded in Pennsylvania, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-10-16 | SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file | MONACA, Beaver, PA | HPV day-zero determination | State |
| 2025-10-16 | MT CARMEL COGEN/CULM FIRED COGEN PLT — high-priority violation on file | MARION HEIGHTS, Northumberland, PA | HPV day-zero determination | State |
| 2025-10-15 | TIMBERLANE INC/MONTGOMERYVILLE — high-priority violation on file | MONTGOMERYVILLE, Montgomery, PA | Earliest FRV determination | State |
| 2025-10-14 | CLEVELAND BROS EQUIP CO INC/ENGINE REBUILD FAC — high-priority violation on file | EBENSBURG, Cambria, PA | Earliest FRV determination | State |
| 2025-10-14 | TENASKA PA PARTNERS/WESTMORELAND GEN FAC — high-priority violation on file | SMITHTON, Westmoreland, PA | Earliest FRV determination | State |
| 2025-10-14 | CINTAS PHILADELPHIA (SANDMEYER) — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Earliest FRV determination | Local |
| 2025-10-10 | TIMBERLANE INC/MONTGOMERYVILLE — high-priority violation on file | MONTGOMERYVILLE, Montgomery, PA | Earliest FRV determination | State |
| 2025-10-10 | PHILA GAS WORKS/RICHMOND PLT — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Earliest FRV determination | Local |
| 2025-10-09 | WALTER R EARLE ASPHALT PLT/MORRISVILLE — high-priority violation on file | MORRISVILLE, Bucks, PA | Earliest FRV determination | State |
| 2025-10-09 | PA GEN ENERGY CO LLC/REED RUN STILL PAD A COMP STA — high-priority violation on file | SMETHPORT, McKean, PA | Earliest FRV determination | State |
| 2025-10-09 | GSM IND INC/CENTERVILLE — high-priority violation on file | LANCASTER, Lancaster, PA | Earliest FRV determination | State |
| 2025-10-08 | CAP GLASS ALLENTOWN LLC/GREENSTAR — high-priority violation on file | NORTHAMPTON, Northampton, PA | Earliest FRV determination | State |
| 2025-10-08 | SVP AGGREGATES — high-priority violation on file | ARCHBALD, Lackawanna, PA | Earliest FRV determination | State |
| 2025-10-07 | RITCHEY ACQUISITION COMPANY LLC/HENDERSONVILLE PLT — high-priority violation on file | HENDERSONVILLE, Washington, PA | Earliest FRV determination | State |
| 2025-10-07 | MESHOPPEN STONE/ELK LAKE QUARRY — high-priority violation on file | DIMMOCK, Susquehanna, PA | Earliest FRV determination | State |
| 2025-10-07 | GREENLEAF CORP/SAEGERTOWN — high-priority violation on file | SAEGERTOWN, Crawford, PA | Earliest FRV determination | State |
| 2025-10-06 | IDEMIA AMER/EXTON — high-priority violation on file | EXTON, Chester, PA | Earliest FRV determination | State |
| 2025-10-03 | HAZLETON GEN LLC/HAZLE TWP — high-priority violation on file | HAZLETON, Luzerne, PA | Earliest FRV determination | State |
| 2025-10-03 | CAP GLASS ALLENTOWN LLC/GREENSTAR — high-priority violation on file | NORTHAMPTON, Northampton, PA | Earliest FRV determination | State |
| 2025-10-02 | SHELLMANS AUTO BODY/CHESTER — high-priority violation on file | CHESTER, Delaware, PA | Earliest FRV determination | State |
| 2025-10-02 | COVE MTN WOOD PROD/TAYLOR TWP — high-priority violation on file | ROARING SPRING, Blair, PA | Earliest FRV determination | State |
| 2025-10-02 | THE ESPOMA CO/FRAILEY TWP — high-priority violation on file | HEGINS, Schuylkill, PA | Earliest FRV determination | State |
| 2025-10-02 | AMERICAN AIRLINES — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Earliest FRV determination | Local |
| 2025-10-02 | WEBER DISPLAY & PACKAGING — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Earliest FRV determination | Local |
| 2025-09-30 | HERR FOODS INC/NOTTINGHAM | NOTTINGHAM, Chester, PA | Earliest FRV determination | State |
| 2025-09-30 | SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file | MONACA, Beaver, PA | Earliest FRV determination | State |
| 2025-09-30 | PENNEX ALUM CO/WELLSVILLE | WELLSVILLE, York, PA | Earliest FRV determination | State |
| 2025-09-30 | WALTER R EARLE ASPHALT PLT/MORRISVILLE — high-priority violation on file | MORRISVILLE, Bucks, PA | Earliest FRV determination | State |
| 2025-09-30 | CAP GLASS ALLENTOWN LLC/GREENSTAR — high-priority violation on file | NORTHAMPTON, Northampton, PA | Earliest FRV determination | State |
| 2025-09-30 | DREXEL UNIVERSITY/QUEEN LANE CAMPUS | PHILADELPHIA, Philadelphia, PA | Earliest FRV determination | Local |
| 2025-09-29 | US TAPE CO/PENNSBURG — high-priority violation on file | PENNSBURG, Montgomery, PA | Earliest FRV determination | State |
| 2025-09-29 | XPRESS NATURAL GAS LLC/MONTROSE — high-priority violation on file | MONTROSE, Susquehanna, PA | Earliest FRV determination | State |
| 2025-09-29 | THE ESPOMA CO/FRAILEY TWP — high-priority violation on file | HEGINS, Schuylkill, PA | Earliest FRV determination | State |
| 2025-09-29 | CAP GLASS ALLENTOWN LLC/GREENSTAR — high-priority violation on file | NORTHAMPTON, Northampton, PA | Earliest FRV determination | State |
| 2025-09-29 | VICINITY ENERGY/SCHUYLKILL STA — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Earliest FRV determination | Local |
| 2025-09-27 | MERCK SHARP & DOHME LLC/WEST PT | WEST POINT, Montgomery, PA | Earliest FRV determination | State |
| 2025-09-26 | SAVOR STREET FOODS INC/READING — high-priority violation on file | READING, Berks, PA | Earliest FRV determination | State |
| 2025-09-26 | THE ESPOMA CO/FRAILEY TWP — high-priority violation on file | HEGINS, Schuylkill, PA | Earliest FRV determination | State |
| 2025-09-26 | CINTAS CORP/EMMAUS | EMMAUS, Lehigh, PA | Earliest FRV determination | State |
| 2025-09-25 | EARTHCARE LLC/BETHEL | BETHEL, Berks, PA | Earliest FRV determination | State |
| 2025-09-25 | DOMTAR PAPER CO/JOHNSONBURG MILL — high-priority violation on file | JOHNSONBURG, Elk, PA | HPV day-zero determination | State |
| 2025-09-24 | GEORGE W HILL CORR FAC/THORNTON | THORNTON, Delaware, PA | Earliest FRV determination | State |
| 2025-09-24 | DEE PAPER CO/CHESTER | CHESTER, Delaware, PA | Earliest FRV determination | State |
| 2025-09-24 | PEI POWER CORP/ARCHBALD | ARCHBALD, Lackawanna, PA | Earliest FRV determination | State |
| 2025-09-23 | WABTEC US RAIL INC/EMPORIUM PLT | EMPORIUM, Cameron, PA | Earliest FRV determination | State |
| 2025-09-23 | CABOT OIL & GAS CORP/FOLTZ J PAD 1 | HOP BOTTOM, Susquehanna, PA | Earliest FRV determination | State |
| 2025-09-23 | ABBOTT, M. PAD 1 | NEW MILFORD, Susquehanna, PA | Earliest FRV determination | State |
| 2025-09-22 | SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file | MONACA, Beaver, PA | Earliest FRV determination | State |
| 2025-09-22 | SUDARSHAN/FAIRLESS HILLS | FAIRLESS HILLS, Bucks, PA | Earliest FRV determination | State |
| 2025-09-22 | GLEN GERY CORP/HANLEY PLANT — high-priority violation on file | SUMMERVILLE, Jefferson, PA | Earliest FRV determination | State |
| 2025-09-22 | NORTHEAST WPCP/PHILA — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Earliest FRV determination | Local |
| 2025-09-19 | SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file | MONACA, Beaver, PA | HPV day-zero determination | State |
| 2025-09-18 | KEYSTONE SHEETS LLC/CHAMBERSBURG | CHAMBERSBURG, Franklin, PA | Earliest FRV determination | State |
| 2025-09-18 | WINDBER STONE LLC/OGLETOWN QUARRY | WINDBER, Somerset, PA | Earliest FRV determination | State |
| 2025-09-18 | EUREKA STONE QUARRY/RUSH VALLEY 1 — high-priority violation on file | RUSHLAND, Bucks, PA | Earliest FRV determination | State |
| 2025-09-18 | HYDRO EXTRUSION USA, LLC/CRESSONA | CRESSONA, Schuylkill, PA | Earliest FRV determination | State |
| 2025-09-16 | MT CARMEL COGEN/CULM FIRED COGEN PLT — high-priority violation on file | MARION HEIGHTS, Northumberland, PA | Earliest FRV determination | State |
| 2025-09-16 | MT CARMEL COGEN/CULM FIRED COGEN PLT — high-priority violation on file | MARION HEIGHTS, Northumberland, PA | Earliest FRV determination | State |
| 2025-09-15 | MONROE ENERGY LLC/TRAINER — high-priority violation on file | TRAINER, Delaware, PA | HPV day-zero determination | State |
| 2025-09-12 | EUREKA STONE QUARRY/RUSH VALLEY 1 — high-priority violation on file | RUSHLAND, Bucks, PA | Earliest FRV determination | State |
| 2025-09-11 | SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file | MONACA, Beaver, PA | Earliest FRV determination | State |
| 2025-09-11 | MAYFLOWER CLNR/BENSALEM | BENSALEM, Bucks, PA | Earliest FRV determination | State |
| 2025-09-11 | NLMK PENNSYLVANIA LLC/FARRELL PLT — high-priority violation on file | FARRELL, Mercer, PA | HPV day-zero determination | State |
| 2025-09-10 | CLEMENS FOOD GROUP LLC/HATFIELD PLT — high-priority violation on file | HATFIELD, Montgomery, PA | Earliest FRV determination | State |
| 2025-09-10 | ENERGY DEVS MORGANTOWN LLC/CAERNARVON TWP | MORGANTOWN, Berks, PA | HPV day-zero determination | State |
| 2025-09-10 | ENERGY DEVS HONEY BROOK LLC/CAERNARVON TWP | NARVON, Lancaster, PA | HPV day-zero determination | State |
| 2025-09-09 | HUSSP DEVON/CHARLES RIVER LAB/TREDYFFRIN TWP | WAYNE, Chester, PA | Earliest FRV determination | State |
| 2025-09-09 | STAGECOACH TRANSPORT & CRUSHING LLC/SANDT QUARRY | WYALUSING, Bradford, PA | Earliest FRV determination | State |
| 2025-09-09 | RITCHEY ACQUISITION COMPANY LLC/HENDERSONVILLE PLT — high-priority violation on file | HENDERSONVILLE, Washington, PA | Earliest FRV determination | State |
| 2025-09-08 | BRYNER LNC SITE | VANDERBILT, Fayette, PA | Earliest FRV determination | State |
| 2025-09-08 | HILCORP ENERGY CO/JEFFERSON MCCULLOUGH WELL PAD | SHARPSVILLE, Mercer, PA | Earliest FRV determination | State |
| 2025-09-05 | WCAA UPSTREAM LLC/GRAHAM WELLPAD | DARRAGH, Westmoreland, PA | Earliest FRV determination | State |
| 2025-09-05 | WCAA MIDSTREAM LLC/WEITZ SOUTH 20 COMP STA | ADAMSBURG, Westmoreland, PA | Earliest FRV determination | State |
| 2025-09-04 | AMER METAL RECYCLING LLC/ELLWOOD CITY — high-priority violation on file | ELLWOOD CITY, Lawrence, PA | Earliest FRV determination | State |
| 2025-09-03 | LEEWARD ASPHALT/PALMYRA TWP | HAWLEY, Wayne, PA | Earliest FRV determination | State |
| 2025-08-29 | SMYRNA READY MIX CONCRETE/SHENANGO TWP | WEST MIDDLESEX, Mercer, PA | Earliest FRV determination | State |
| 2025-08-28 | CHESTNUT VALLEY LDFL LLC/GERMAN TWP — high-priority violation on file | MC CLELLANDTOWN, Fayette, PA | Earliest FRV determination | State |
| 2025-08-28 | ST CLAIR CEMETERY ASSN INC/GREENSBURG | GREENSBURG, Westmoreland, PA | Earliest FRV determination | State |
| 2025-08-27 | SPECIALTY TIRES AMER/INDIANA PLT | INDIANA, Indiana, PA | Earliest FRV determination | State |
| 2025-08-26 | WILLIAMS FIELD SVC CO LLC/WILCOX COMP STA | TUNKHANNOCK, Wyoming, PA | Earliest FRV determination | State |
| 2025-08-26 | LIPPINCOTT, F. PAD 1 — high-priority violation on file | KINGSLEY, Susquehanna, PA | Earliest FRV determination | State |
| 2025-08-26 | KNOUSE FOODS COOP INC/CHAMBERSBURG | CHAMBERSBURG, Franklin, PA | Earliest FRV determination | State |
| 2025-08-26 | IACONA COLLISION CTR INC/CHESTER | CHESTER, Delaware, PA | Earliest FRV determination | State |
| 2025-08-26 | SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file | MONACA, Beaver, PA | HPV day-zero determination | State |
| 2025-08-22 | XPRESS NATURAL GAS LLC/MONTROSE — high-priority violation on file | MONTROSE, Susquehanna, PA | Earliest FRV determination | State |
| 2025-08-20 | TOGETHER FOREVER CREMATION LLC | BROWNSVILLE, Fayette, PA | Earliest FRV determination | State |
| 2025-08-20 | ORIGINAL FUELS INC/HAMILTON 2 MINE | PUNXSUTAWNEY, Jefferson, PA | Earliest FRV determination | State |
| 2025-08-20 | SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file | MONACA, Beaver, PA | HPV day-zero determination | State |
| 2025-08-20 | KINDER MORGAN LIQUIDS TERM/PHILA — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Earliest FRV determination | Local |
| 2025-08-19 | HEIDELBERG MATERIALS NORTHEAST LLC/PLYMOUTH MEETING QUARRY — high-priority violation on file | PLYMOUTH MEETING, Montgomery, PA | Earliest FRV determination | State |
| 2025-08-19 | HUNTERSTOWN GENERATION LLC/HUNTERSTOWN MAIN PLT | GETTYSBURG, Adams, PA | Earliest FRV determination | State |
| 2025-08-19 | UPMC PINNACLE CARLISLE/S MIDDLETON TWP | CARLISLE, Cumberland, PA | Earliest FRV determination | State |
| 2025-08-19 | RITCHEY ACQUISITION COMPANY LLC/HENDERSONVILLE PLT — high-priority violation on file | HENDERSONVILLE, Washington, PA | Earliest FRV determination | State |
| 2025-08-19 | SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file | MONACA, Beaver, PA | HPV day-zero determination | State |
| 2025-08-19 | H5 DATA CENTERS | PHILADELPHIA, Philadelphia, PA | Earliest FRV determination | Local |
| 2025-08-19 | PEPSI COLA BOTTLING | PHILADELPHIA, Philadelphia, PA | Earliest FRV determination | Local |
| 2025-08-19 | BELLEVUE ASSOCIATES (COGENERATION PLANT) | PHILADELPHIA, Philadelphia, PA | Earliest FRV determination | Local |
| 2025-08-19 | MID ATLANTIC SOCIAL SECURITY CENTER | PHILADELPHIA, Philadelphia, PA | Earliest FRV determination | Local |
| 2025-08-18 | THE ESPOMA CO/FRAILEY TWP — high-priority violation on file | HEGINS, Schuylkill, PA | Earliest FRV determination | State |
| 2025-08-18 | OWS ACQUISITIONS CO LLC/COLLINS COMP STA | MERCER, Mercer, PA | Earliest FRV determination | State |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.