EPA Air · by county
Air-emissions sources in Washington County, Pennsylvania
- 223Facilities
Every stationary source in Washington County, Pennsylvania that holds a Clean Air Act permit or is otherwise tracked by an air agency — planned, under construction, operating, seasonal or temporarily closed. Sources EPA records as permanently closed are not listed.
By emissions classification in Washington County
A source’s classification is the size band its potential emissions put it in: a major source is large enough to need a Title V operating permit, a synthetic minor has accepted limits to stay below that line, and a minor source sits below it outright.
Inspections in Washington County, 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 — inspections 105
- 2025 — inspections 122
- 2024 — inspections 171
- 2023 — inspections 134
- 2022 — inspections 217
- 2021 — inspections 218
- 2020 — inspections 176
- 2019 — inspections 112
- 2018 — inspections 122
- 2017 — inspections 162
Other counties in Pennsylvania
Every county in the state with at least three sources on file.
- 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
- Wayne County 27
- Westmoreland County 158
- Wyoming County 47
- York County 199
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| MARKWEST LIBERTY MIDSTREAM & RESOURCES/JOHNSTON COMP STA | Synthetic minor source | No |
| MARKWEST LIBERTY MIDSTREAM & RESOURCES/LOWRY COMP STA | Minor source | No |
| MARKWEST LIBERTY MIDSTREAM & RESOURCES/NANCY STEWART | Synthetic minor source | No |
| MARKWEST LIBERTY MIDSTREAM & RESOURCES/REDD COMP STA | Synthetic minor source | No |
| MARKWEST LIBERTY MIDSTREAM & RESOURCES/SHAW COMP STA | Minor source | No |
| MARKWEST LIBERTY MIDSTREAM RES/DOWN HOME COMPRESSOR STATION | Synthetic minor source | No |
| MARKWEST LIBERTY MIDSTREAM/ CARPENTER COMP STA | Synthetic minor source | No |
| MARKWEST LIBERTY MIDSTREAM/BAKER COMP STA | Synthetic minor source | No |
| MARKWEST LIBERTY MIDSTREAM/BRIGICH COMP STA | Minor source | No |
| MARKWEST LIBERTY MIDSTREAM/DRYER BOOSTER COMP STA | Synthetic minor source | No |
| MARKWEST LIBERTY MIDSTREAM/SMITH COMP STA | Synthetic minor source | No |
| MARKWEST LIBERTY MIDSTREAM/TIMBERLAKE COMP STA | Synthetic minor source | No |
| MARKWEST LIBERTY MIDSTREAM/WELLING COMP STA | Synthetic minor source | No |
| MASTER WOODCRAFT/WASHINGTON PLT | Minor source | No |
| MCC INTL/MILLER CENT CAST INC/MCDONALD PLT | Minor source | Yes |
| MCC PARTNERS UNIT 11890 | Minor source | No |
| MCGREW FAB & WELDING/DONORA PLT | Minor source | No |
| MCMURRAY DRY CLEANERS/MCMURRAY | Minor source | No |
| MCMURRAY DRY CLNR/CANONSBURG | Minor source | No |
| METCHEM RECYCLING USA INC/WEST ALEXANDER | Minor source | No |
| MODEL CLEANERS/CHARLEROI | Minor source | No |
| MTN V OIL & GAS/HIXENBAUGH COMP | Minor source | No |
| MULTI-CHEM GROUP/WASHINGTON FAC | Minor source | No |
| NATL FUEL SUPPLY CORP/BUFFALO COMP STA | Minor source | No |
| NEISWONGER CONST INC/MAGGIE LYNN QUARRY | Minor source | Yes |
| NOBLE GREATHOUSE PAD | Minor source | No |
| NORTH CENTRAL PROC/DONORA SITE | Minor source | No |
| NORTHEAST PAVING/WASHINGTON PLANT | Synthetic minor source | No |
| PA AMER WATER CO/SHIRE OAKS PUMPING STA | Minor source | No |
| PA AMER WATER/E H ALDRICH WTP | Minor source | No |
| PA GAME COMMISSION PAD | Minor source | No |
| PA STATE SYS OF HIGHER ED/CALIFORNIA UNIV | Minor source | No |
| PA TRANSFORMER TECH LLC/CANONSBURG | Synthetic minor source | No |
| PENN HIGHLANDS MON VALLEY HOSP | Minor source | No |
| PERRYMAN CO/TITANIUM CONVERSION FAC | Minor source | Yes |
| PLEIGER PLASTICS CO/SOUTH STRABANE | Minor source | Yes |
| RANGE RESOURCES APPALACHIA LLC / AVELLA LAND VENTURE WELLPAD | Minor source | No |
| RANGE RESOURCES APPALACHIA LLC / BAKER CAROL WELLPAD | Minor source | No |
| RANGE RESOURCES APPALACHIA LLC / BREESE EMMA JO WELLPAD | Minor source | No |
| RANGE RESOURCES APPALACHIA LLC / CARNS DONALD WELLPAD | Minor source | No |
| RANGE RESOURCES APPALACHIA LLC / COWDEN WILLIAM WELLPAD | Minor source | No |
| RANGE RESOURCES APPALACHIA LLC / GALARAN WELLPAD | Minor source | No |
| RANGE RESOURCES APPALACHIA LLC / HARMON CREEK B WELLPAD | Minor source | No |
| RANGE RESOURCES APPALACHIA LLC / MOCEK JOHN WELLPAD | Minor source | No |
| RANGE RESOURCES APPALACHIA LLC / MORITZ EDWARD WELLPAD | Minor source | No |
| RANGE RESOURCES APPALACHIA LLC / PARIS ALEX WELLPAD | Minor source | No |
| RANGE RESOURCES APPALACHIA LLC / WALASIK TERRY WELLPAD | Minor source | No |
| RANGE RESOURCES APPALACHIA LLC/BEAUMARIAGE UNIT 10955 | Synthetic minor source | No |
| RANGE RESOURCES APPALACHIA LLC/BROWNLEE KELLEY 12333 | Synthetic minor source | No |
| RANGE RESOURCES APPALACHIA LLC/BURKETT UNIT 10981 | Synthetic minor source | No |
| RANGE RESOURCES APPALACHIA LLC/CAMPBELL UNIT 10272 | Synthetic minor source | No |
| RANGE RESOURCES APPALACHIA LLC/DMC PROPERTIES 11042 | Synthetic minor source | No |
| RANGE RESOURCES APPALACHIA LLC/GODWIN GEORGE WELLPAD | Synthetic minor source | No |
| RANGE RESOURCES APPALACHIA LLC/HUNTER JOHN WELPAD | Synthetic minor source | No |
| RANGE RESOURCES APPALACHIA LLC/JONES ROBERT 12046 WELLPAD | Synthetic minor source | No |
| RANGE RESOURCES APPALACHIA LLC/KRESIC UNIT 11161 | Minor source | No |
| RANGE RESOURCES APPALACHIA LLC/LINVILLE WILSON 12692 | Synthetic minor source | No |
| RANGE RESOURCES APPALACHIA LLC/MARGARIA RAYMOND UNIT 11182 | Synthetic minor source | No |
| RANGE RESOURCES APPALACHIA LLC/MCC PARTNERS WEST WELLPAD | Synthetic minor source | No |
| RANGE RESOURCES APPALACHIA LLC/MILLER WILLIAM 10129 | Synthetic minor source | No |
| RANGE RESOURCES APPALACHIA LLC/SMITH LARRY 11312 | Synthetic minor source | No |
| RANGE RESOURCES APPALACHIA/NANCY STEWART 4H | Synthetic minor source | No |
| RANGE RESOURCES-APPALACHIA | Minor source | No |
| RANGE RESOURCES-APPALACHIA, LLC | Minor source | No |
| RANGE RESOURCES-APPALACHIA, LLC | Minor source | No |
| RANGE RESOURCES-APPALACHIA, LLC | Minor source | No |
| RANGE RESOURCES-APPALACHIA, LLC | Minor source | No |
| RANGE RESOURCES-APPALACHIA, LLC | Minor source | No |
| RANGE RESOURCES-APPALACHIA, LLC | Minor source | No |
| REAXIS/MCDONALD PLT | Minor source | No |
| REGAL IND CORP/DONORA PLT | Synthetic minor source | No |
| RELIANCE ELECTRIC CO/WASHINGTON | Minor source | No |
| RICE DRILLING B / BOVINATOR WELLPAD | Minor source | No |
| RICE ELECTRIC CO/WASHINGTON PLT | Minor source | No |
| RITCHEY ACQUISITION COMPANY LLC/HENDERSONVILLE PLT | Minor source | Yes |
| ROJI HOSKINS PIGGING | Minor source | No |
| ROSS MOULD LLC/WASHINGTON CITY | Minor source | No |
| ROUTE 18 L&R STATION PIGGING | Minor source | No |
| ROVER PIPELINE LLC/BULGER COMP STA | Synthetic minor source | No |
| RTS PKG LLC/CHARLEROI | Minor source | No |
| RUBBER ROLLS INC/MEADOWLANDS PLT | Minor source | No |
| RUSSELL ORENCHUK PAD | Minor source | No |
| SELECT CLEANERS/MONONGAHELA | Minor source | No |
| SNOWY WHITE CLEANERS/WASHINGTON | Minor source | No |
| SOLLON FUNERAL HOME & CREMATION SVC LTD/SOLLON FUNERAL HOME | Minor source | No |
| SPEEDY CLEANERS/WASHINGTON | Minor source | No |
| STONE & CO INC/CHARLEROI PLT | Minor source | No |
| SUNOCO PIPELINE LP/HOUSTON INJECTION SITE | Minor source | No |
| SUNOCO PIPELINE LP/HOUSTON TANK FARM | Minor source | No |
| SWEPI/ BERNARD MCCULLEY NG WELL PAD | Minor source | No |
| SWEPI/ FRED JONES NG WELL PAD | Minor source | No |
| SWEPI/ JAMES BIRD | Minor source | No |
| SWEPI/ JOHN MCMURRAY NP WELL PAD | Minor source | No |
| SWEPI/ PAUL SCHILINSKI NP WELL PAD | Minor source | No |
| SWEPI/ ROBERT SHORTS | Minor source | No |
| TECH MET/DONORA PLT | Synthetic minor source | No |
| TEMPLE T PIGGING | Minor source | No |
| THARPS AMOCO | Minor source | No |
| THE DRY CLNR/MCMURRAY | Minor source | No |
| THERM O ROCK EAST INC/DONORA PLT 2 | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.