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 |
|---|---|---|---|---|
| 2025-05-28 | CALPINE MID MERIT II LLC/ YORK ENERGY CENTER BLOCK 2 — high-priority violation on file | DELTA, York, PA | Earliest FRV determination | State |
| 2025-05-28 | TENASKA PA PARTNERS/WESTMORELAND GEN FAC — high-priority violation on file | SMITHTON, Westmoreland, PA | Earliest FRV determination | State |
| 2025-05-28 | SIKA MBCC US LLC/LEVITTOWN | BRISTOL, Bucks, PA | Earliest FRV determination | State |
| 2025-05-28 | WILLIAM J GREEN JR FED BLDG/GSA — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Earliest FRV determination | Local |
| 2025-05-27 | LETO & SONS CLNR/ ABINGTON TWP | HUNTINGDON VALLEY, Montgomery, PA | Earliest FRV determination | State |
| 2025-05-27 | LORD CORP/CAMBRIDGE SPRINGS | CAMBRIDGE SPRINGS, Crawford, PA | Earliest FRV determination | State |
| 2025-05-27 | BALTIMORE FABRICATION/YORK | YORK, York, PA | Earliest FRV determination | State |
| 2025-05-21 | HICKORY RUN ENERGY LLC/NORTH BEAVER TWP | NEW CASTLE, Lawrence, PA | HPV day-zero determination | State |
| 2025-05-20 | HAMMOND LEAD PRODUCTS/POTTSTOWN — high-priority violation on file | POTTSTOWN, Montgomery, PA | Earliest FRV determination | State |
| 2025-05-20 | THE ESPOMA CO/FRAILEY TWP — high-priority violation on file | HEGINS, Schuylkill, PA | Earliest FRV determination | State |
| 2025-05-19 | ASSAI ENERGY LLC - KEYSTONE LANDFILL SITE | DUNMORE, Lackawanna, PA | Earliest FRV determination | State |
| 2025-05-19 | TENSION INTL / KING OF PRUSSIA | KING OF PRUSSIA, Montgomery, PA | Earliest FRV determination | State |
| 2025-05-19 | THE ESPOMA CO/FRAILEY TWP — high-priority violation on file | HEGINS, Schuylkill, PA | Earliest FRV determination | State |
| 2025-05-16 | CONSTELLATION ENERGY GENERATION LLC/EDDYSTONE | EDDYSTONE, Delaware, PA | Earliest FRV determination | State |
| 2025-05-16 | CLEVELAND CLIFFS STEELTON LLC/STEELTON | STEELTON, Dauphin, PA | Earliest FRV determination | State |
| 2025-05-16 | PA DEPT OF AGRIC/HBG ANIMAL HEALTH LAB — high-priority violation on file | HARRISBURG, Dauphin, PA | Earliest FRV determination | State |
| 2025-05-13 | ROSEBUD MINING CO/CHERRY TREE MINE | CHERRY TREE, Clearfield, PA | Earliest FRV determination | State |
| 2025-05-13 | CLEMENS FOOD GROUP LLC/HATFIELD PLT — high-priority violation on file | HATFIELD, Montgomery, PA | Earliest FRV determination | State |
| 2025-05-13 | AMERICAN CUSTON DRYING/MOUNTAINTOP | MOUNTAIN TOP, Luzerne, PA | Earliest FRV determination | State |
| 2025-05-13 | PENN MEDICINE (HUP CEDAR) — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Earliest FRV determination | Local |
| 2025-05-13 | PHILLY SHIPYARD INC (PSI) [FORMERLY AKER SHIPYARD] | PHILADELPHIA, Philadelphia, PA | Earliest FRV determination | Local |
| 2025-05-12 | COMBINED METAL IND NEW CASTLE FAC — high-priority violation on file | NEW CASTLE, Lawrence, PA | Earliest FRV determination | State |
| 2025-05-09 | CLEMENS FOOD GROUP LLC/HATFIELD PLT — high-priority violation on file | HATFIELD, Montgomery, PA | Earliest FRV determination | State |
| 2025-05-08 | GRIFFITHS, J. PAD 1 | MONTROSE, Susquehanna, PA | Earliest FRV determination | State |
| 2025-05-08 | ALAN MCILVAIN/MARCUS HOOK — high-priority violation on file | MARCUS HOOK, Delaware, PA | Earliest FRV determination | State |
| 2025-05-08 | PERFORMANCE CASTINGS | ERIE, Erie, PA | Earliest FRV determination | State |
| 2025-05-07 | INNOVATION 411/UPPER MERION — high-priority violation on file | KING OF PRUSSIA, Montgomery, PA | Earliest FRV determination | State |
| 2025-05-06 | AMERICAN CUSTON DRYING/MOUNTAINTOP | MOUNTAIN TOP, Luzerne, PA | Earliest FRV determination | State |
| 2025-05-05 | INNOVATION 411/UPPER MERION — high-priority violation on file | KING OF PRUSSIA, Montgomery, PA | Earliest FRV determination | State |
| 2025-05-05 | THE ESPOMA CO/FRAILEY TWP — high-priority violation on file | HEGINS, Schuylkill, PA | Earliest FRV determination | State |
| 2025-05-05 | VITRO FLAT GLASS LLC/CARLISLE — high-priority violation on file | CARLISLE, Cumberland, PA | Earliest FRV determination | State |
| 2025-05-01 | PA GRAIN PROCESSING LLC/CLEARFIELD BORO ETHANOL PROD PLT — high-priority violation on file | CLEARFIELD, Clearfield, PA | Earliest FRV determination | State |
| 2025-05-01 | TECH TUBE INC/UPPER MERION — high-priority violation on file | KING OF PRUSSIA, Montgomery, PA | Earliest FRV determination | State |
| 2025-04-30 | JELD WEN INC/POTTSVILLE | POTTSVILLE, Schuylkill, PA | Earliest FRV determination | State |
| 2025-04-29 | MCC MFG INC/LAFAYETTE HILL — high-priority violation on file | LAFAYETTE HILL, Montgomery, PA | Earliest FRV determination | State |
| 2025-04-29 | BUSIK, J. PAD 1 | MONTROSE, Susquehanna, PA | Earliest FRV determination | State |
| 2025-04-29 | ABBOTT, M. PAD 1 | NEW MILFORD, Susquehanna, PA | Earliest FRV determination | State |
| 2025-04-29 | RITCHEY ACQUISITION COMPANY LLC/HENDERSONVILLE PLT — high-priority violation on file | HENDERSONVILLE, Washington, PA | Earliest FRV determination | State |
| 2025-04-28 | LATROBE SPECIALTY METALS/ A CARPENTER CO | LATROBE, Westmoreland, PA | Earliest FRV determination | State |
| 2025-04-28 | SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file | MONACA, Beaver, PA | Earliest FRV determination | State |
| 2025-04-25 | HOLT & BUGBEE HARDWOODS/MT BRADDOCK | MOUNT BRADDOCK, Fayette, PA | Earliest FRV determination | State |
| 2025-04-25 | SMITHFIELD PACKAGED MEATS CORP/ARNOLD | ARNOLD, Westmoreland, PA | Earliest FRV determination | State |
| 2025-04-23 | HERR FOODS INC/NOTTINGHAM | NOTTINGHAM, Chester, PA | Earliest FRV determination | State |
| 2025-04-22 | ABBOTT, M. PAD 1 | NEW MILFORD, Susquehanna, PA | Earliest FRV determination | State |
| 2025-04-22 | CORBIN, J. PAD 1 | KINGSLEY, Susquehanna, PA | Earliest FRV determination | State |
| 2025-04-21 | BRASKEM AMER INC/MARCUS HOOK | MARCUS HOOK, Delaware, PA | HPV day-zero determination | State |
| 2025-04-18 | CARISMA INC/E WHITELAND | FRAZER, Chester, PA | Earliest FRV determination | State |
| 2025-04-17 | ERIEZ MFG CO/ERIE | ERIE, Erie, PA | Earliest FRV determination | State |
| 2025-04-16 | GRACEDALE NURSING HOME/UPPER NAZARETH | NAZARETH, Northampton, PA | Earliest FRV determination | State |
| 2025-04-16 | AMPAL INC/PALMERTON | PALMERTON, Carbon, PA | Earliest FRV determination | State |
| 2025-04-16 | US TAPE CO/PENNSBURG — high-priority violation on file | PENNSBURG, Montgomery, PA | Earliest FRV determination | State |
| 2025-04-16 | UNIFIRST CORP/NEW KENSINGTON | NEW KENSINGTON, Westmoreland, PA | Earliest FRV determination | State |
| 2025-04-16 | FRES-CO SYSTEM USA INC/TELFORD PLT — high-priority violation on file | TELFORD, Bucks, PA | HPV day-zero determination | State |
| 2025-04-11 | SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file | MONACA, Beaver, PA | Earliest FRV determination | State |
| 2025-04-11 | APOLLO RESOURCES LLC/HRIBAL COMP STA | MOUNT PLEASANT, Westmoreland, PA | Earliest FRV determination | State |
| 2025-04-11 | CHANCE GAS & OIL LLC/CONNELLSVILLE COMP SITE — high-priority violation on file | CONNELLSVILLE, Fayette, PA | Earliest FRV determination | State |
| 2025-04-11 | CHANCE GAS & OIL LLC/UNITY COMPRESSOR SITE — high-priority violation on file | MOUNT PLEASANT TWP, Westmoreland, PA | Earliest FRV determination | State |
| 2025-04-10 | UNIV OF PA/PHILA | PHILADELPHIA, Philadelphia, PA | Earliest FRV determination | Local |
| 2025-04-09 | BOEING CO PHILA/RIDLEY PARK PA FAC — high-priority violation on file | RIDLEY TWP, Delaware, PA | Earliest FRV determination | State |
| 2025-04-09 | TENNESSEE GAS PIPELINE CO LLC/COMP STA 321 | CLIFFORD, Susquehanna, PA | Earliest FRV determination | State |
| 2025-04-09 | LORD CORP/SAEGERTOWN | SAEGERTOWN, Crawford, PA | Earliest FRV determination | State |
| 2025-04-09 | ENERGEX WOOD PELLET MFG/MIFFLINTOWN — high-priority violation on file | MIFFLINTOWN, Juniata, PA | HPV day-zero determination | State |
| 2025-04-08 | CHANCE GAS & OIL LLC/UNITY COMPRESSOR SITE — high-priority violation on file | MOUNT PLEASANT TWP, Westmoreland, PA | Earliest FRV determination | State |
| 2025-04-07 | COMBINED METAL IND NEW CASTLE FAC — high-priority violation on file | NEW CASTLE, Lawrence, PA | Earliest FRV determination | State |
| 2025-04-07 | CHANCE GAS & OIL LLC/CONNELLSVILLE COMP SITE — high-priority violation on file | CONNELLSVILLE, Fayette, PA | Earliest FRV determination | State |
| 2025-04-07 | INEOS COMPOSITES US/PHILA | PHILADELPHIA, Philadelphia, PA | Earliest FRV determination | Local |
| 2025-04-03 | KB CRASH CREATIONS LLC | WEST WYOMING, Luzerne, PA | Earliest FRV determination | State |
| 2025-04-03 | SANDY RUN LDFL LLC/HOPEWELL | HOPEWELL, Bedford, PA | Earliest FRV determination | State |
| 2025-04-03 | SEALED AIR CORP/HANOVER | HANOVER, Adams, PA | Earliest FRV determination | State |
| 2025-04-03 | ARMSTRONG CEMENT & SUPPLY/WINFIELD — high-priority violation on file | CABOT, Butler, PA | HPV day-zero determination | State |
| 2025-04-02 | MONROE ENERGY LLC/TRAINER — high-priority violation on file | TRAINER, Delaware, PA | Earliest FRV determination | State |
| 2025-04-01 | HAMMOND LEAD PRODUCTS/POTTSTOWN — high-priority violation on file | POTTSTOWN, Montgomery, PA | Earliest FRV determination | State |
| 2025-04-01 | MIPC LLC/ PHILA | PHILADELPHIA, Philadelphia, PA | Earliest FRV determination | Local |
| 2025-03-31 | NOVAE LLC | MOUNTAIN TOP, Luzerne, PA | Earliest FRV determination | State |
| 2025-03-31 | COMBINED METAL IND NEW CASTLE FAC — high-priority violation on file | NEW CASTLE, Lawrence, PA | Earliest FRV determination | State |
| 2025-03-28 | AIRPORT SAND & GRAVEL CO/NICHOLSON TWP | NICHOLSON, Wyoming, PA | Earliest FRV determination | State |
| 2025-03-27 | ALL WEATHER INSULATED PANELS — high-priority violation on file | EAST STROUDSBURG, Monroe, PA | Earliest FRV determination | State |
| 2025-03-25 | PENN MED LANCASTER GEN HOSP/LANCASTER GEN HOSP | LANCASTER, Lancaster, PA | Earliest FRV determination | State |
| 2025-03-25 | RUTT QUALITY CABINETRY LLC/NEW HOLLAND | NEW HOLLAND, Lancaster, PA | Earliest FRV determination | State |
| 2025-03-25 | AMERICAN ATELIER INC/ALLENTOWN | ALLENTOWN, Lehigh, PA | Earliest FRV determination | State |
| 2025-03-25 | SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file | MONACA, Beaver, PA | HPV day-zero determination | State |
| 2025-03-21 | B BLAIR CORP/IVYLAND FAC | IVYLAND, Bucks, PA | Earliest FRV determination | State |
| 2025-03-21 | WEST ROCK /ASTON | ASTON, Delaware, PA | Earliest FRV determination | State |
| 2025-03-21 | AMES GOLDSMITH / ASTON — high-priority violation on file | ASTON, Delaware, PA | Earliest FRV determination | State |
| 2025-03-21 | RIDDLE MEM HOSP/BALT PIKE | MEDIA, Delaware, PA | Earliest FRV determination | State |
| 2025-03-21 | DELAWARE CNTY/FAIR ACRES COMPLEX | LIMA, Delaware, PA | Earliest FRV determination | State |
| 2025-03-21 | TIERPOINT PENNSYLVANIA TWO LLC | BETHLEHEM, Northampton, PA | Earliest FRV determination | State |
| 2025-03-21 | PROCTER & GAMBLE PAPER PROD CO/MEHOOPANY | MEHOOPANY, Wyoming, PA | Earliest FRV determination | State |
| 2025-03-20 | STEEL FAB ENTERPRISES INC/PEQUEA | LANCASTER, Lancaster, PA | Earliest FRV determination | State |
| 2025-03-20 | NORTHWEST HARDWOODS/HOPWOOD SAWMILL | HOPWOOD, Fayette, PA | Earliest FRV determination | State |
| 2025-03-20 | EQUITRANS LP/TRUITTSBURG STA | FAIRMOUNT CITY, Clarion, PA | Earliest FRV determination | State |
| 2025-03-20 | ERIE SEWER AUTHORITY/ERIE WWTP — high-priority violation on file | ERIE, Erie, PA | HPV day-zero determination | State |
| 2025-03-19 | ROSEBUD MINING CO/CLYMER TIPPLE | CLYMER, Indiana, PA | Earliest FRV determination | State |
| 2025-03-19 | COMBINED METAL IND NEW CASTLE FAC — high-priority violation on file | NEW CASTLE, Lawrence, PA | Earliest FRV determination | State |
| 2025-03-19 | PERDUE AGRIBUSINESS LLC/BAINBRIDGE — high-priority violation on file | MARIETTA, Lancaster, PA | HPV day-zero determination | State |
| 2025-03-18 | 727 NORRISTOWN RD LP/SPRINGHOUSE TECH PARK — high-priority violation on file | LOWER GWYNEDD, Montgomery, PA | Earliest FRV determination | State |
| 2025-03-18 | CHANCE GAS & OIL LLC/UNITY COMPRESSOR SITE — high-priority violation on file | MOUNT PLEASANT TWP, Westmoreland, PA | Earliest FRV determination | State |
| 2025-03-18 | CHANCE GAS & OIL LLC/CONNELLSVILLE COMP SITE — high-priority violation on file | CONNELLSVILLE, Fayette, PA | Earliest FRV determination | State |
| 2025-03-18 | BULLSKIN 1 MINE/ BULLSKIN TWP | MOUNT PLEASANT, Fayette, PA | Earliest FRV determination | State |
| 2025-03-18 | KETTLEWORKS LLC/LANCASTER | LANCASTER, Lancaster, PA | Earliest FRV determination | State |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.