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 |
|---|---|---|
| ALCOM PRINTING GROUP/BROOMALL | Minor source | No |
| ALCOM PRINTING/HARLEYSVILLE PLT | Minor source | No |
| ALCON MFG CO/WARREN | Minor source | No |
| ALDEN PARK APARTMENTS | No | |
| ALEX E PARIS CONTR CO/FLYASH SITE | Minor source | No |
| ALEX'S TIRE CENTER | Minor source | No |
| ALEXANDER NISSAN | Minor source | No |
| ALEXANDER PONTIAC | Minor source | No |
| ALEXANDER WOODWORK | Minor source | No |
| ALFA LAVAL INC/LYKENS | Minor source | No |
| ALL AMERICAN HOSE LLC/OIL & GAS DIV | Minor source | No |
| ALL CLAD METALCRAFTERS/CANONSBURG PLT | Minor source | No |
| ALL KLEEN INC | Minor source | No |
| ALL METALS RECYCLING LLC/ROCHESTER DOCK FAC | Minor source | No |
| ALL TECH REFRIGERATION | Minor source | No |
| ALL TUNE & LUBE | Minor source | No |
| ALL TUNE & LUBE | Minor source | No |
| ALL WEATHER INSULATED PANELS | Minor source | Yes |
| ALL-BRITE METAL FINISHING INC | Minor source | No |
| ALLAN MYERS INC/DEVAULT STONE QUARRY | Minor source | No |
| ALLAN MYERS LP DBA ALLAN MYERS MATERIALS/READING ASPH PLT | Synthetic minor source | No |
| ALLAN MYERS LP/COATESVILLE ASPHALT PLT | Synthetic minor source | No |
| ALLAN MYERS LP/DEVAULT ASPHALT PLANT | Synthetic minor source | No |
| ALLAN MYERS MATERIALS PA INC/CEDAR HILL | Minor source | No |
| ALLAN MYERS MATERIALS PA INC/TALMAGE | Minor source | No |
| ALLE KISKI MED CTR/NATRONA HEIGHTS | Minor source | No |
| ALLEGHENY & TSINGSHAN STAINLESS LLC/MIDLAND FAC | Minor source | No |
| ALLEGHENY AGGREGATE INC/PITTSFIELD | Minor source | Yes |
| ALLEGHENY ASPHALT NEVILLE ISLAND TERMINA | Minor source | No |
| ALLEGHENY BRADFORD CORP/LEWIS RUN | Minor source | No |
| ALLEGHENY BUFFALO/CLARENDON | Minor source | No |
| ALLEGHENY CABLECO, INC. | Minor source | No |
| ALLEGHENY CEMETERY/PGH | Minor source | No |
| ALLEGHENY CLEANERS | Minor source | No |
| ALLEGHENY CNTY AIRPORT AUTH/PGH INTL AIR | Minor source | No |
| ALLEGHENY CNTY SANI AUTH/ALLEGHENY CNTY | Major source | No |
| ALLEGHENY COATINGS SERVIDEA DR FAC/ELK | Minor source | No |
| ALLEGHENY COUNTRY CLUB | Minor source | No |
| ALLEGHENY COUNTY HOUSING AUTHORITY | Minor source | No |
| ALLEGHENY ENERGY RESOURCES LFG RECYCLING | Minor source | No |
| ALLEGHENY ENERGY SUPPLY/SPRINGDALE | Major source | No |
| ALLEGHENY GENERAL HOSPITAL | Minor source | No |
| ALLEGHENY LEATHER CARE | Minor source | No |
| ALLEGHENY LIQUID SYSTEMS, INC | Minor source | No |
| ALLEGHENY LUDLUM LLC/BRACKENRIDGE | Major source | No |
| ALLEGHENY LUDLUM LLC/HOUSTON FITCH WORKS | Minor source | No |
| ALLEGHENY MILLWORK/LAWRENCE PLT | Synthetic minor source | No |
| ALLEGHENY MINERAL CORP/BISON MINE LIMESTONE PREP FAC | Minor source | No |
| ALLEGHENY MINERAL CORP/HARRISVILLE | Minor source | No |
| ALLEGHENY MINERAL CORP/MURRINSVILLE | Minor source | No |
| ALLEGHENY MINERAL CORP/PRINCETON PLT | Minor source | No |
| ALLEGHENY MINERAL CORP/SLIPPERY ROCK | Minor source | No |
| ALLEGHENY MINERAL CORP/WORTHINGTON LIMESTONE PROC PLT | Minor source | No |
| ALLEGHENY MINERALS C/GRAFF MINE | Minor source | No |
| ALLEGHENY PLASTICS, INC. | Minor source | No |
| ALLEGHENY RIVER DOCK CO. | Minor source | No |
| ALLEGHENY RIVER TERM/NEW KENSINGTON CRUSHING PLT | Minor source | No |
| ALLEGHENY STORE FIXTURES/BRADFORD | Minor source | No |
| ALLEGHENY UNION BAPTIST ASSOCIATION | Minor source | No |
| ALLEGHENY VALLEY SD JUNIOR-SENIOR HIGH | Minor source | No |
| ALLEGHENY WOOD PROD INTL INC/MARBLE | Synthetic minor source | No |
| ALLEIMA PRECISION TUBE LLC/SCOTTDALE PLT | Major source | No |
| ALLEIMA USA LLC/ SCOTT TWP | Minor source | No |
| ALLEN F SEESHOLTZ INC TRUCKING | Minor source | No |
| ALLEN HORNBECK CHEVROLET | Minor source | No |
| ALLEN ORGAN CO LLC/MACUNGIE | Minor source | No |
| ALLENS AUTO SERVICE | Minor source | No |
| ALLENTOWN CITY/STP | Minor source | No |
| ALLENTOWN DIAGNOSTIC | Minor source | No |
| ALLENTOWN TERM DE LLC/ALLENTOWN TERM | Synthetic minor source | No |
| ALLIANCE PETRO CORP/GRAMPIAN COMP STA | Minor source | No |
| ALLIANCE PETRO CORP/GRAMPIAN COMP STA NORTH | Minor source | No |
| ALLIANCE PETRO CORP/HUDSON COMP STA | Minor source | No |
| ALLIANCE PETROLEUM CORP/BRINK COMP STA | Minor source | No |
| ALLIANCE PETROLEUM CORP/HAMILTON COMP STA | Minor source | No |
| ALLIANCE PETROLEUM CORP/ONSBERG COMP STA | Minor source | No |
| ALLIANCE PETROLEUM CORP/WHITACRE COMP STA | Minor source | No |
| ALLIANCE SANI LANDFILL INC/TAYLOR LDFL | Major source | No |
| ALLIED CONCRETE & SU/MORGANTOWN PLT | Minor source | No |
| ALLIED CONCRETE & SUPPLY CORP/POTTSTOWN | Minor source | No |
| ALLIED MILLWORK OF PITTSBURGH | Minor source | No |
| ALLIED RECYCLING CO/SILVI CONCRETE MORRISVILLE PLT JOBSITE | Minor source | No |
| ALLIED RECYCLING/GLASGOW SPRINGHOUSE OPR | Minor source | No |
| ALLIED VET CREMATION LTD/MASTERSONVILLE | Minor source | No |
| ALLIED WASTE SVC OF PA/MSW LDFL | Major source | No |
| ALLOY SURFACES CO INC/ASTON | Minor source | No |
| ALMAR FRENCH CLEANERS | Minor source | No |
| ALMAR FRENCH CLEANERS | Minor source | No |
| ALMATIS INC/ALUMINA GRINDING AND PKG | Minor source | No |
| ALMATIS INC/NEVILLE GRINDING CTR | Minor source | No |
| ALON PROCESSING INC | Minor source | No |
| ALPACA ENERGY LLC/ELECTRIC GENERATING STA | Minor source | No |
| ALPEK POLYESTER USA LLC/READING | Minor source | No |
| ALPHA 1 CLNR/WOODLYN | Minor source | No |
| ALPHA ASSEMBLY SOLUTIONS/ALTOONA | Minor source | No |
| ALPHA CLNRS/LOWER MERION TWP | Minor source | No |
| ALPHA PRECISION GROUP SINTERED METALS | Minor source | No |
| ALPHA SHALE RES LP/THUNDER PIPELINE COMP STA | Minor source | No |
| ALPHIA HAZLETON/HAZLE TWP | Minor source | No |
| ALS CLNR INC/NORTHAMPTON | Minor source | No |
Figures from EPA’s ICIS-AIR download.