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
- Publishing industries (NAICS 5111) 17
- Merchant wholesalers, durable goods (NAICS 4235) 17
- Waste management and remediation (NAICS 5629) 16
- Nursing and residential care facilities (NAICS 6231) 16
- Food manufacturing (NAICS 3114) 16
- Building construction (NAICS 2362) 15
- Merchant wholesalers, durable goods (NAICS 4238) 15
- Merchant wholesalers, durable goods (NAICS 4233) 15
- Machinery manufacturing (NAICS 3334) 15
- Data processing and hosting (NAICS 5182) 15
- Miscellaneous manufacturing (NAICS 3391) 15
- Paper manufacturing (NAICS 3221) 15
- Food manufacturing (NAICS 3113) 14
- Crop production (NAICS 1114) 14
- National security and international affairs (NAICS 9281) 13
- Professional, scientific and technical services (NAICS 5413) 13
- Food manufacturing (NAICS 3115) 13
- Merchant wholesalers, nondurable goods (NAICS 4244) 13
- Real estate (NAICS 5313) 13
- Machinery manufacturing (NAICS 3332) 13
- Food manufacturing (NAICS 3116) 13
- Textile mills (NAICS 3133) 12
- Transportation equipment manufacturing (NAICS 3363) 12
- Wood product manufacturing (NAICS 3212) 12
- Fabricated metal product manufacturing (NAICS 3322) 11
- Machinery manufacturing (NAICS 3333) 11
- Executive and legislative government (NAICS 9211) 11
- Air transportation (NAICS 4811) 11
- Nonmetallic mineral product manufacturing (NAICS 3274) 11
- Chemical manufacturing (NAICS 3256) 11
- Support activities for transportation (NAICS 4882) 10
- Support activities for transportation (NAICS 4884) 9
- Textile mills (NAICS 3132) 9
- Repair and maintenance (NAICS 8113) 9
- Specialty trade contractors (NAICS 2382) 9
- Support activities for transportation (NAICS 4883) 9
- Hospitals (NAICS 6222) 9
- Machinery manufacturing (NAICS 3336) 9
- Educational services (NAICS 6112) 8
- Hospitals (NAICS 6223) 8
- Transportation equipment manufacturing (NAICS 3364) 8
- Scenic and sightseeing transportation (NAICS 4871) 8
- Transportation equipment manufacturing (NAICS 3361) 8
- Transportation equipment manufacturing (NAICS 3365) 8
- NAICS 4521 7
- Administration of environmental programs (NAICS 9241) 7
- Building construction (NAICS 2361) 7
- Waste management and remediation (NAICS 5621) 7
- Educational services (NAICS 6115) 6
- Administrative and support services (NAICS 5617) 6
- Accommodation (NAICS 7211) 6
- Telecommunications (NAICS 5179) 5
- Electrical equipment and appliance manufacturing (NAICS 3351) 5
- Administration of housing and community development (NAICS 9251) 5
- Transportation equipment manufacturing (NAICS 3366) 5
- Administrative and support services (NAICS 5619) 5
- Computer and electronic product manufacturing (NAICS 3342) 5
- Merchant wholesalers, nondurable goods (NAICS 4249) 5
- Performing arts and spectator sports (NAICS 7112) 4
- Credit intermediation (NAICS 5223) 4
- Beverage and tobacco manufacturing (NAICS 3122) 4
- Chemical manufacturing (NAICS 3253) 4
- Transportation equipment manufacturing (NAICS 3369) 4
- Professional, scientific and technical services (NAICS 5415) 4
- Private households (NAICS 8141) 4
- Credit intermediation (NAICS 5221) 4
- Administrative and support services (NAICS 5614) 4
- Heavy and civil engineering construction (NAICS 2371) 4
- Truck transportation (NAICS 4842) 3
- Support activities for transportation (NAICS 4881) 3
- Transit and ground passenger transportation (NAICS 4859) 3
- Building material and garden supply stores (NAICS 4442) 3
- NAICS 4529 3
- Nursing and residential care facilities (NAICS 6232) 3
- Leather and allied product manufacturing (NAICS 3161) 3
- Telecommunications (NAICS 5172) 3
- Religious, grantmaking and similar organizations (NAICS 8133) 3
- Broadcasting (NAICS 5151) 3
- Securities and investments (NAICS 5239) 3
- Specialty trade contractors (NAICS 2381) 3
- Water transportation (NAICS 4832) 3
- Mining and quarrying (NAICS 2122) 3
- Nursing and residential care facilities (NAICS 6233) 3
- NAICS 4543 3
- Administration of economic programs (NAICS 9261) 3
- Management of companies (NAICS 5511) 3
- NAICS 5133 3
- Merchant wholesalers, nondurable goods (NAICS 4245) 3
- Personal and laundry services (NAICS 8129) 3
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 |
|---|---|---|
| ELLWOOD QUALITY STEELS CO/NEW CASTLE PLT | Major source | No |
| ELMHRUST DRY CLNR & FORMALWEAR / ELMHURS | Minor source | No |
| ELWYN/MIDDLETOWN TWP | Synthetic minor source | Yes |
| ELYSBURG GD LLC/ELYSBURG PLT | Synthetic minor source | No |
| EM RESOURCES LLC/MONTOUR PLT | Minor source | No |
| EM-BED-IT INC. DIV. NATIONAL TORCH TIP | Minor source | No |
| EMANUEL TIRE OF PA/PLYMOUTH TWP | Minor source | No |
| EMBASSY POWDERED METALS INC/EMPORIUM PLT | Minor source | No |
| EMBASSY POWDERED METALS/EMPORIUM | Minor source | No |
| EMERALD ONE HOUR CLEANER | Minor source | No |
| EMKEY GATHERING LLC/CARTER HILL COMP STA | Minor source | No |
| EMKEY GATHERING LLC/WATERFORD COMP STA | Minor source | No |
| EMPET, D. PAD 1 | Synthetic minor source | No |
| EMPIRE CLNR/HARRISBURG | Minor source | No |
| EMPIRE FOUNDATIONS/SOUTH FORK | Minor source | No |
| EMPIRE KOSHER POULTRY INC/MIFFLINTOWN | Minor source | Yes |
| EMPIRE PIPELINE INC/JACKSON COMP STA | Minor source | No |
| EMPORIUM HARDWOODS OP CO LLC/SHIPPEN TWP PLT | Minor source | Yes |
| EMPORIUM POWDERED METAL INC/EMPORIUM PLT | Minor source | No |
| ENCK'S AUTO CENTER | Minor source | No |
| ENDEAVOR LUMBER CO/ENDEAVOR | Minor source | No |
| ENDO PHARM INC/MALVERN | Minor source | No |
| ENERGEX WOOD PELLET MFG/MIFFLINTOWN | Synthetic minor source | Yes |
| ENERGY CORP OF AMER/GRIBBLE PUMP HOUSE | Minor source | No |
| ENERGY CORP OF AMER/SKIB PUMP HOUSE | Minor source | No |
| ENERGY CTR HBG LLC/ENERGY CTR PAXTON LLC | Major source | No |
| ENERGY CTR LANCASTER LLC/LANCASTER | Minor source | Yes |
| ENERGY DEVS HONEY BROOK LLC/CAERNARVON TWP | Major source | No |
| ENERGY DEVS MORGANTOWN LLC/CAERNARVON TWP | Major source | No |
| ENERGY HARBOR GENERATION LLC/BEAVER VLY | Synthetic minor source | No |
| ENERGY LINK/CORMAN COAL LOADING OPR | Minor source | No |
| ENERGY RES OF AMER INC/JAMESTOWN COMP STA | Minor source | No |
| ENERGY TRANSF MKT & TERM LP/MARCUS HOOK TERM | Major source | Yes |
| ENERGY TRANSF PARTNERS VALVE STA/TUNBRIDGE APT/MIDDLETOWN | Minor source | No |
| ENERGY TRANSFER M&T/DELMONT FACILITY | Major source | No |
| ENERGY TRANSFER MARKETING & TERMINALS LP/MONTELLO TERMINAL | Major source | No |
| ENERGY TRANSFER MKT & TERM LP/ALTOONA TERMINAL | Synthetic minor source | No |
| ENERGY TRANSFER MKT & TERM LP/FULLERTON TERM | Synthetic minor source | Yes |
| ENERGY TRANSFER MKT & TERM LP/KINGSTON TERM | Synthetic minor source | No |
| ENERGY TRANSFER MKT & TERM LP/MALVERN TERM | Major source | No |
| ENERGY TRANSFER MKT & TERM LP/NORTHUMBERLAND TERM | Synthetic minor source | No |
| ENERGY TRANSFER MKT & TERM LP/TANK FARM 2 | Major source | Yes |
| ENERGY TRANSFER MKT & TERM LP/TWIN OAKS TERM | Major source | No |
| ENERGY WATER SOLUTIONS LLC/PHOENIX C WELL PAD/VOX UNITS | Minor source | No |
| ENERVEST OPR LLC/GATES COMP STA | Minor source | No |
| ENERVEST OPR LLC/KINGSLY STA | Minor source | No |
| ENGINE WORLD | Minor source | No |
| ENGINEERING ARRESTING SYSTEMS /ASTON | Minor source | No |
| ENGLE-RISSINGER AUTO BODY | Minor source | No |
| ENGLE-RISSINGER AUTO GROUP | Minor source | No |
| ENSINGER INC/WASHINGTON | Minor source | No |
| ENTERPRISE TERM & STORAGE/GREENSBURG TERMINAL | Minor source | No |
| ENV & RECYCLING SVC AMITY LDFL/TAYLOR | Minor source | No |
| ENV COMM CORP/14L-1 14L-2 | Minor source | No |
| ENV COMMODITIES CORP/12L-2 12-L-4 & 12L-5 FLARES | Minor source | No |
| ENV COMMODITIES CORP/13L-1 13L-2 & 13L-3 | Minor source | No |
| ENV COMMODITIES CORP/1A BLEEDER | Minor source | No |
| ENV COMMODITIES CORP/1A BLEEDER MATERIAL | Minor source | No |
| ENV COMMODITIES CORP/1A-2 2A-1 & 6A-2 FLARES | Minor source | No |
| ENV COMMODITIES CORP/1B-1 & 1B-3 | Minor source | No |
| ENV COMMODITIES CORP/1N-1 | Minor source | No |
| ENV COMMODITIES CORP/2B-3 3B-1 & 2B-1 FLARES | Minor source | No |
| ENV COMMODITIES CORP/3 NORTH OLD POWER BOREHOLE | Minor source | No |
| ENV COMMODITIES CORP/4B-2 3B-3 & 4B-3 FLARES | Minor source | No |
| ENV COMMODITIES CORP/5A-3 6A-1 & 3A-1 FLARES | Minor source | No |
| ENV COMMODITIES CORP/5A-3 FLARE | Minor source | No |
| ENV COMMODITIES CORP/7L-1 FLARE | Minor source | No |
| ENV COMMODITIES CORP/G4-3 | Minor source | No |
| ENV COMMODITIES CORP/G5-1 G5-2 & G5-3 | Minor source | No |
| ENV COMMODITIES CORP/H4-1, H4-2 & H4-3 | Minor source | Yes |
| ENVIGO GLOBAL SVC INC/WEST COCALICO TWP | Minor source | No |
| ENVIRITE OF PA INC/YORK | Minor source | No |
| ENVIRONMENTAL PROCESSES INC | Minor source | No |
| EOG RESOURCES INC/SB ELLIOTT COMP STA | Minor source | No |
| EOG RESOURCES/IDLE RD COMP STA | Minor source | No |
| EPHRATA COMM HOSP DBA WELLSPAN EPHRATA COMM HOSP/EPHRATA | Synthetic minor source | No |
| EPIC METALS CORP/RANKIN | Minor source | No |
| EPP RENEWABLE ENERGY/NORTHERN TIER LFGTE PLT | Minor source | No |
| EQM GATHERING OPCO LLC/AMITY INTERCONNECT STA | Minor source | No |
| EQM GATHERING OPCO LLC/BEACON DEHYDRATION & INTERCONNECT FAC | Synthetic minor source | No |
| EQM GATHERING OPCO LLC/BLUE MOON COMP STA | Synthetic minor source | No |
| EQM GATHERING OPCO LLC/CALLISTO COMP STA | Major source | No |
| EQM GATHERING OPCO LLC/COLE FARM COMPRESSOR STATION | Synthetic minor source | No |
| EQM GATHERING OPCO LLC/CORSAIR DEHYDRATION & MASTER METER | Synthetic minor source | No |
| EQM GATHERING OPCO LLC/CYGRYMUS COMP STA | Synthetic minor source | No |
| EQM GATHERING OPCO LLC/EUROPA COMP STA | Synthetic minor source | No |
| EQM GATHERING OPCO LLC/HALO COMP STA | Synthetic minor source | No |
| EQM GATHERING OPCO LLC/HOPEWELL RIDGE INTERCONNECT STA | Synthetic minor source | No |
| EQM GATHERING OPCO LLC/IO COMP STA | Synthetic minor source | No |
| EQM GATHERING OPCO LLC/JUPITER COMP STA | Minor source | No |
| EQM GATHERING OPCO LLC/KRYPTONITE COMP STA | Synthetic minor source | No |
| EQM GATHERING OPCO LLC/MAKO COMP STA | Synthetic minor source | No |
| EQM GATHERING OPCO LLC/MCINTOSH COMP STA | Minor source | No |
| EQM GATHERING OPCO LLC/PATTON COMP STA | Synthetic minor source | No |
| EQM GATHERING OPCO LLC/PETTIT COMP STA | Synthetic minor source | No |
| EQM GATHERING OPCO LLC/PIPERS RIDGE INTERCONNECT | Synthetic minor source | No |
| EQM GATHERING OPCO LLC/PISCES COMP STA | Synthetic minor source | No |
| EQM GATHERING OPCO LLC/REDD DEHY STATION | Synthetic minor source | No |
| EQM GATHERING OPCO LLC/SGL 179 DEHY | Synthetic minor source | No |
| EQM GATHERING OPCO LLC/SNAPPING TURTLE COMP STA | Synthetic minor source | No |
Figures from EPA’s ICIS-AIR download.