EPA Air · by state
Air-emissions sources in Pennsylvania
- 8,754Facilities
By emissions classification in Pennsylvania
High-priority violations in Pennsylvania
370 sources in Pennsylvania carry a current high-priority Clean Air Act violation.
Counties in Pennsylvania
- Adams County 63
- Allegheny County 1,374
- Armstrong County 79
- Beaver County 95
- Bedford County 37
- Berks County 216
- Blair County 105
- Bradford County 138
- Bucks County 417
- Butler County 187
- Cambria County 106
- Cameron County 15
- Carbon County 30
- Centre County 84
- Chester County 235
- Clarion County 41
- Clearfield County 99
- Clinton County 46
- Columbia County 56
- Crawford County 61
- Cumberland County 145
- Dauphin County 155
- Delaware County 253
- Elk County 61
- Erie County 137
- Fayette County 73
- Forest County 21
- Franklin County 94
- Fulton County 12
- Greene County 131
- Huntingdon County 21
- Indiana County 103
- Jefferson County 64
- Juniata County 15
- Lackawanna County 118
- Lancaster County 251
- Lawrence County 85
- Lebanon County 94
- Lehigh County 149
- Luzerne County 217
- Lycoming County 168
- McKean County 70
- Mercer County 108
- Mifflin County 21
- Monroe County 45
- Montgomery County 474
- Montour County 17
- Northampton County 154
- Northumberland County 107
- Perry County 22
- Philadelphia County 461
- Pike County 13
- Potter County 35
- Schuylkill County 99
- Snyder County 47
- Somerset County 63
- Sullivan County 12
- Susquehanna County 206
- Tioga County 75
- Undetermined County 91
- Union County 38
- Venango County 45
- Warren County 46
- Washington County 223
- Wayne County 27
- Westmoreland County 158
- Wyoming County 47
- York County 199
Industries in Pennsylvania
Sources are grouped by the first industry code on the facility record.
- Repair and maintenance (NAICS 8111) 1,008
- Personal and laundry services (NAICS 8123) 957
- Oil and gas extraction (NAICS 2111) 821
- Motor vehicle and parts dealers (NAICS 4411) 375
- Educational services (NAICS 6111) 338
- Gasoline stations (NAICS 4471) 328
- Mining and quarrying (NAICS 2123) 284
- Personal and laundry services (NAICS 8122) 259
- Mining support (NAICS 2131) 225
- Petroleum and coal products manufacturing (NAICS 3241) 159
- Hospitals (NAICS 6221) 151
- Fabricated metal product manufacturing (NAICS 3328) 122
- Pipeline transportation (NAICS 4862) 120
- Utilities (NAICS 2211) 117
- Plastics and rubber products manufacturing (NAICS 3261) 110
- Merchant wholesalers, durable goods (NAICS 4231) 102
- Fabricated metal product manufacturing (NAICS 3323) 86
- Printing and related support (NAICS 3231) 84
- Primary metal manufacturing (NAICS 3315) 81
- Wood product manufacturing (NAICS 3219) 81
- Merchant wholesalers, nondurable goods (NAICS 4247) 81
- Real estate (NAICS 5311) 78
- Paper manufacturing (NAICS 3222) 74
- Waste management and remediation (NAICS 5622) 74
- Nonmetallic mineral product manufacturing (NAICS 3273) 72
- Nonmetallic mineral product manufacturing (NAICS 3279) 61
- Furniture and related product manufacturing (NAICS 3371) 60
- Utilities (NAICS 2213) 60
- Fabricated metal product manufacturing (NAICS 3329) 58
- Chemical manufacturing (NAICS 3251) 54
- Educational services (NAICS 6113) 52
- Merchant wholesalers, durable goods (NAICS 4239) 51
- Primary metal manufacturing (NAICS 3311) 50
- Miscellaneous manufacturing (NAICS 3399) 44
- Mining and quarrying (NAICS 2121) 43
- Food manufacturing (NAICS 3111) 40
- Justice, public order and safety (NAICS 9221) 40
- Chemical manufacturing (NAICS 3259) 39
- Fabricated metal product manufacturing (NAICS 3321) 39
- Food manufacturing (NAICS 3119) 37
- Primary metal manufacturing (NAICS 3312) 36
- Religious, grantmaking and similar organizations (NAICS 8131) 35
- Machinery manufacturing (NAICS 3339) 35
- Wood product manufacturing (NAICS 3211) 35
- Nonmetallic mineral product manufacturing (NAICS 3271) 33
- Specialty trade contractors (NAICS 2389) 32
- Fabricated metal product manufacturing (NAICS 3324) 32
- Machinery manufacturing (NAICS 3335) 31
- Rental and leasing services (NAICS 5321) 31
- Pipeline transportation (NAICS 4869) 31
- Transit and ground passenger transportation (NAICS 4851) 30
- Primary metal manufacturing (NAICS 3314) 30
- Chemical manufacturing (NAICS 3255) 29
- Utilities (NAICS 2212) 29
- Transportation equipment manufacturing (NAICS 3362) 29
- Motor vehicle and parts dealers (NAICS 4413) 28
- Professional, scientific and technical services (NAICS 5419) 27
- Chemical manufacturing (NAICS 3252) 27
- Nonmetallic mineral product manufacturing (NAICS 3272) 26
- Food manufacturing (NAICS 3118) 25
- Electrical equipment and appliance manufacturing (NAICS 3359) 25
- Chemical manufacturing (NAICS 3254) 25
- Plastics and rubber products manufacturing (NAICS 3262) 24
- Fabricated metal product manufacturing (NAICS 3327) 23
- Beverage and tobacco manufacturing (NAICS 3121) 23
- Fabricated metal product manufacturing (NAICS 3326) 22
- Primary metal manufacturing (NAICS 3313) 22
- Electrical equipment and appliance manufacturing (NAICS 3353) 22
- Machinery manufacturing (NAICS 3331) 21
- Furniture and related product manufacturing (NAICS 3372) 21
- Telecommunications (NAICS 5171) 20
- Computer and electronic product manufacturing (NAICS 3344) 20
- Professional, scientific and technical services (NAICS 5417) 19
- Motor vehicle and parts dealers (NAICS 4412) 19
- Computer and electronic product manufacturing (NAICS 3345) 19
- Warehousing and storage (NAICS 4931) 19
- Food manufacturing (NAICS 3112) 18
- Truck transportation (NAICS 4841) 18
- Merchant wholesalers, nondurable goods (NAICS 4246) 17
- Professional, scientific and technical services (NAICS 5414) 17
Air inspections in Pennsylvania, by year
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.
- 2026 5,287
- 2025 7,277
- 2024 7,215
- 2023 6,551
- 2022 6,724
- 2021 6,954
- 2020 6,491
- 2019 6,635
- 2018 6,336
- 2017 6,410
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| ALS TEXACO SERVICE | Minor source | No |
| ALTA PERFORMANCE MATERIALS US, LLC | Major source | No |
| ALTAMIRA MATERIALS SOLUTIONS / HATFIELD | Minor source | No |
| ALTON PARK AUTO | Minor source | No |
| ALTOONA AUTO REPAIR | Minor source | No |
| ALTOONA METRO TRANSIT | Minor source | No |
| ALTOONA TERM DE LLC/ALTOONA | Major source | No |
| ALTOONA WATER AUTH/WESTERLY | Minor source | No |
| ALTUGLAS LLC/BRISTOL TWP | Major source | No |
| ALUMICORE VENTURES LLC/MONESSEN | Synthetic minor source | Yes |
| ALWAYS BAGELS LLC/LEBANON | Minor source | No |
| AM STABILIZERS CORP/FRANKLIN TWP | Synthetic minor source | No |
| AMATEX LLC/NORRISTOWN | Minor source | No |
| AMATOS AUTO INC/LOWER SOUTHAMPTON TWP | Minor source | No |
| AMAZON DATA SVCS INC PNE100 | Synthetic minor source | Yes |
| AMAZON/NORRISTOWN | Minor source | No |
| AMBRIDGE AREA SCH DI/AMBRIDGE | Minor source | No |
| AMCOR FLEXIBLES NORTH AMER INC/HAZLETON | Major source | No |
| AMCOR FLEXIBLES NORTH AMER INC/LEBANON | Major source | No |
| AMER ASPHALT PAVING CO/CHASE PLT | Synthetic minor source | No |
| AMER CAP CO LLC/WHEATLAND | Minor source | No |
| AMER CONTRACT SYS ZELIENOPLE | Minor source | No |
| AMER CREMATION SVC/WARWICK | Minor source | No |
| AMER FLOORING LLC/PITTSTON TWP | Minor source | No |
| AMER HICKORY/LEWISTOWN PLT | Minor source | No |
| AMER MACH & TOOL CO/ROYERSFORD BORO | Minor source | No |
| AMER METAL RECYCLING LLC/ELLWOOD CITY | Major source | Yes |
| AMER REF GROUP/BRADFORD | Major source | No |
| AMER TOWER CORP/LONDON GROVE TWP | Minor source | No |
| AMERESCO GREENRIDGE RNG/GREENRIDGE RENEWABLE NATURAL GAS FAC | Minor source | No |
| AMERICAN AIRLINES | Synthetic minor source | Yes |
| AMERICAN ATELIER INC/ALLENTOWN | Synthetic minor source | No |
| AMERICAN BAG & PAPER CORP | Minor source | No |
| AMERICAN CARGO GROUP TRAILERS LLC/BANKS TWP PLT | Synthetic minor source | No |
| AMERICAN CLEANERS | Minor source | No |
| AMERICAN COLLOID CO/YORK | Minor source | No |
| AMERICAN CONTRACT SYSTEMS | Minor source | No |
| AMERICAN CRAFT BREWERY LLC/BREINIGSVILLE | Major source | No |
| AMERICAN CUSTON DRYING/MOUNTAINTOP | Minor source | No |
| AMERICAN HARD CHROME LLC/NEW CASTLE PLT | Minor source | No |
| AMERICAN NICKELOID CO/WALNUTPORT | Synthetic minor source | No |
| AMERICAN SHEAR KNIFE DIVISION | Minor source | No |
| AMERICAN STEEL PROCESSING AND SYSTEMS CO | Minor source | No |
| AMERICAN THERMOPLASTICS COMPANY | Minor source | No |
| AMERICAN TINNING & GALVANIZING CO/ERIE | Minor source | No |
| AMERICAN TIRE | Minor source | No |
| AMERICAN TOWER CORP/ PENN TWP | Minor source | No |
| AMERICAN VALET SERVICE | Minor source | No |
| AMERIKOHL AGGREGATES INC/GARDNER MINE | Minor source | No |
| AMERIKOHL AGGREGATES INC/JIM MTN QUARRY | Minor source | No |
| AMERIKOHL AGGREGATES WELSH MINE | Minor source | No |
| AMERIKOHL AGGREGATES/MOSCIPAN QUARRY | Minor source | No |
| AMERNIA MTN QUARRY | Minor source | No |
| AMERWAY/ALTOONA PLT | Minor source | No |
| AMES GOLDSMITH / ASTON | Synthetic minor source | Yes |
| AMES TRUE TEMPER INC/HARRISBURG | Major source | No |
| AMES WAREHOUSE | Minor source | No |
| AMETEK DREXELBROOK/HORSHAM TWP | Minor source | No |
| AMETEK/FEASTERVILLE | Minor source | No |
| AMETEK/NORTH STRABANE PLT | Minor source | No |
| AMFIRE MINING CO LLC/BRETH TIPPLE | Minor source | No |
| AMG CHROME US/599 NORTHGATE CIR FAC | Minor source | No |
| AMG RESOURCES CORP/TEMPLE PLT | Minor source | No |
| AMG TITANIUM LLC/551 NORTHGATE CIR | Minor source | No |
| AMOCO | Minor source | No |
| AMOCO #3176 | Minor source | No |
| AMOCO OIL CO SS#290 | Minor source | No |
| AMOCO OIL CO. FACILITY 3538 | Minor source | No |
| AMPAL INC/PALMERTON | Synthetic minor source | No |
| AMPHENOL CIT/LIMERICK PLT | Minor source | No |
| AMPHENOL THERMOMETRICS INC/ST MARYS | Synthetic minor source | No |
| AMPRO FLD HOUSE LLC/CLIFTON HTS BORO | Minor source | No |
| AMPWAVE DEFENSE LLC/LANCASTER | Minor source | No |
| AMRIZE BUILDING ENVELOPE LLC/YOUNGWOOD PLT | Major source | No |
| AMRIZE CEMENT INC/WHITEHALL PLT | Major source | Yes |
| AMSLEY'S COLLISION SERVICES | Minor source | No |
| AMSTED RAIL CO INC/CAMP HILL | Minor source | No |
| AMTIRE CORPORATION | Minor source | No |
| AMTRAK/UNIV OF PENNA | Minor source | No |
| AMUNEAL MFG CORP/PHILA | Other | No |
| AMYS CLEANERS/EASTON | Minor source | No |
| AMZ MFG CORP/EAST BERLIN | Synthetic minor source | No |
| AMZ MFG CORP/EAST PHILADELPHIA ST | Minor source | No |
| AMZ MFG CORP/YORK | Minor source | No |
| ANADARKO E&P CO/COP TRACT 653 COMP STA | Minor source | No |
| ANCHOR CONCRETE FREDONIA PLT | Minor source | No |
| ANDERS DETWEILER FUNERAL HOME/SOUDERTON | Minor source | No |
| ANDERS GARAGE | Minor source | No |
| ANDERSON FAMILY FUNERAL HOMES INC DBA ANDERSON CREM/MT UNION | Minor source | Yes |
| ANDERSON'S GARAGE | Minor source | No |
| ANDRETTI NISSAN | Minor source | No |
| ANDREW D FERGUSON FUNERAL HOME/CREMATORY | Minor source | No |
| ANDRITZ INC/MUNCY FOUNDRY | Synthetic minor source | No |
| ANGEL CLNR/SHARON HILL BORO | Minor source | No |
| ANGELO LANE, INC. | Minor source | No |
| ANGELS CLNR & LAUNDRY SVC/DOYLESTOWN TWP | Minor source | No |
| ANGERT | Minor source | No |
| ANITA KIMBALL CLEANERS | Minor source | No |
| ANKER IND/PGH | Minor source | No |
| ANNE FRANK SCHOOL | Minor source | Yes |
Figures from EPA’s ICIS-AIR download.