EPA Air · by classification
Major source facilities
- 13,670Facilities
| Facility↑↓ | Where↑↓ | Classification↑↓ | HPV |
|---|---|---|---|
| ONEOK HYDROCARBON - HUTCHINSON FRACT. (AIR) | HUTCHINSON, Reno, KS | Major source | No |
| ONEOK HYDROCARBON LP / MEDFORD FRACTIONATOR | MEDFORD, Grant, OK | Major source | Yes |
| ONEOK ROCKIES MIDSTREAM, L.L.C. - ANTELOPE COMPRESSOR STATION - AQ | NEW TOWN, McKenzie, ND | Major source | No |
| ONEOK ROCKIES MIDSTREAM, L.L.C. - BEAVERTAIL COMPRESSOR STATION - AQ | WATFORD CITY, McKenzie, ND | Major source | No |
| ONEOK ROCKIES MIDSTREAM, L.L.C. - DEMICKS LAKE GAS PLANT - AQ | WATFORD CITY, McKenzie, ND | Major source | No |
| ONEOK ROCKIES MIDSTREAM, L.L.C. - GARDEN CREEK GAS PLANT - AQ | WATFORD CITY, McKenzie, ND | Major source | No |
| ONEOK ROCKIES MIDSTREAM, L.L.C. - GRASSLANDS GAS PLANT - AQ | ALEXANDER, McKenzie, ND | Major source | No |
| ONEOK ROCKIES MIDSTREAM, L.L.C. - STATELINE GAS PLANT - AQ | WILLISTON, Williams, ND | Major source | No |
| ONEOK WESTEX TRANSMISSION INC | TEXAS, Undetermined, TX | Major source | No |
| ONETA POWER LLC / ONETA POWER LLC | BROKEN ARROW, Wagoner, OK | Major source | No |
| ONONDAGA CO RESOURCE RECOVERY FACILITY | ONONDAGA, Onondaga, NY | Major source | No |
| ONSEMI EAST FISHKILL FACILITY | HOPEWELL JUNCTION, Dutchess, NY | Major source | No |
| ONSLOW COUNTY LANDFILL | JACKSONVILLE, Onslow, NC | Major source | No |
| ONTARIO CO LANDFILL | SENECA, Ontario, NY | Major source | No |
| ONTARIO COUNTY LFG TO ENERGY FACILITY | STANLEY, Ontario, NY | Major source | No |
| ONTELAUNEE POWER OPR CO LLC/ONTELAUNEE PLT | READING, Berks, PA | Major source | Yes |
| ONYX COLLECTION (AIR) | BELVUE, Pottawatomie, KS | Major source | No |
| ONYX SPECIALTY PAPERS - WILLOW MILL | LEE, Berkshire, MA | Major source | No |
| OPAL GAS PLANT (WILLIAMS FIELD SERVICES) | OPAL, Lincoln, WY | Major source | No |
| OPPD CASS COUNTY STATION | PLATTSMOUTH, Cass, NE | Major source | No |
| OPPD JONES ST GENERATING STA | OMAHA, Douglas, NE | Major source | No |
| OPPD NEBRASKA CITY STATION | NEBRASKA CITY, Otoe, NE | Major source | No |
| OPPD NORTH OMAHA POWER STATION | OMAHA, Douglas, NE | Major source | No |
| OPPD SARPY COUNTY STATION | BELLEVUE, Sarpy, NE | Major source | No |
| OPTA INCORPORATED | EAST CHICAGO, Lake, IN | Major source | No |
| OPTIMUS STEEL BEAUMONT MILL | VIDOR, Orange, TX | Major source | No |
| OPW FUELING CONTAINMENT SYSTEMS | SMITHFIELD, Johnston, NC | Major source | No |
| ORANGE CARBON BLACK PLANT | ORANGE, Orange, TX | Major source | Yes |
| ORANGE COUNTY SANITATION DISTRICT | HUNTINGTON BEACH, Orange, CA | Major source | No |
| ORANGE COUNTY SANITATION DISTRICT | FOUNTAIN VALLEY, Orange, CA | Major source | No |
| ORANGE COUNTY UTILITIES SOLID WASTE DIV. | ORLANDO, Orange, FL | Major source | No |
| ORANGE GROVE ENERGY CENTER | PALA, San Diego, CA | Major source | No |
| ORCHARD HILL SANITARY LANDFILL | WATERVLIET, Berrien, MI | Major source | No |
| ORCON CORPORATION | UNION CITY, Alameda, CA | Major source | No |
| OREGON BASIN FIELD GENERATION PLANT (MERIT ENERGY COMPANY) | PARK COUNTY, Park, WY | Major source | No |
| OREGON BASIN GAS PLANT (MERIT ENERGY COMPANY) | PARK COUNTY, Park, WY | Major source | No |
| OREGON CLEAN ENERGY CENTER | OREGON, Lucas, OH | Major source | No |
| OREGON DOOR COMPANY | DILLARD, Douglas, OR | Major source | No |
| OREGON GREEN MANUFACTURING LLC | PORTLAND, Multnomah, OR | Major source | No |
| OREGON HEALTH & SCIENCE UNIVERSITY | PORTLAND, Multnomah, OR | Major source | No |
| OREGON METALLURGICAL, LLC | ALBANY, Linn, OR | Major source | No |
| OREGON STATE UNIVERSITY | CORVALLIS, Benton, OR | Major source | Yes |
| OREGON STEEL MILLS LLC | PORTLAND, Multnomah, OR | Major source | No |
| ORENCO SYSTEMS, INC. | SUTHERLIN, Douglas, OR | Major source | No |
| ORICA USA INC | MORRIS, Grundy, IL | Major source | No |
| ORIENT ENERGY CENTER | CRESTON, Union, IA | Major source | No |
| ORIGINAL BRADFORD SOAP WORKS | RHODE ISLAND, Undetermined, RI | Major source | No |
| ORION ENGINEERED CARBONS LLC | BELPRE, Washington, OH | Major source | Yes |
| ORION ENGINEERED CARBONS LLC - IVANHOE CARBON BLACK PLANT | FRANKLIN, St. Mary, LA | Major source | Yes |
| ORLA GAS PLANT | ORLA, Reeves, TX | Major source | No |
| ORLANDO UTILITIES COMMISSION | ORLANDO, Orange, FL | Major source | No |
| ORLANDO UTILITIES COMMISSION | SAINT CLOUD, Osceola, FL | Major source | No |
| ORLANDO UTILITIES COMMISSION (OUC) | TITUSVILLE, Brevard, FL | Major source | No |
| ORMAT NEVADA - HEBER | HEBER, Imperial, CA | Major source | No |
| ORMAT NEVADA-HOLTVILLE | HOLTVILLE, Imperial, CA | Major source | No |
| ORMOND BEACH GENERATING STATION | OXNARD, Ventura, CA | Major source | No |
| OSBORNE INDUSTRIES (AIR) | OSBORNE, Osborne, KS | Major source | No |
| OSCEOLA FARMS | PAHOKEE, Palm Beach, FL | Major source | No |
| OSCEOLA TERMINAL | OSCEOLA, Polk, NE | Major source | No |
| OSCO INC.-JACKSON DIVISION | JACKSON, Jackson, OH | Major source | No |
| OSCO INDUSTRIES - PORTSMOUTH DIVISION | PORTSMOUTH, Scioto, OH | Major source | No |
| OSF HEALTHCARE SYSTEM | EVERGREEN PARK, Cook, IL | Major source | No |
| OSG SHIP MANAGEMENT, INC | DELAWARE INTERNATIONAL RACEWAY, Sussex, DE | Major source | No |
| OSHKOSH CORP - MAIN PLANT | OSHKOSH, Winnebago, WI | Major source | No |
| OSHKOSH CORP - OAKWOOD FACILITY | OSHKOSH, Wood, WI | Major source | No |
| OSHKOSH CORP - SOUTH PLANT | OSHKOSH, Winnebago, WI | Major source | No |
| OSHKOSH CORP - WEST PLT | OSHKOSH, Wood, WI | Major source | No |
| OSHKOSH CORPORATION - DEFENSE PLANT | OSHKOSH, Winnebago, WI | Major source | No |
| OSHKOSH DEFENSE LLC | SPARTANBURG, Spartanburg, SC | Major source | Yes |
| OSI INDUSTRIES, LLC | OAKLAND, Pottawattamie, IA | Major source | No |
| OSMIUM DATA CENTER | WEST DES MOINES, Warren, IA | Major source | Yes |
| OSPREY COMPRESSOR STATION | STANTON, Martin, TX | Major source | No |
| OSWEGO CO ENERGY RECOVERY FAC | VOLNEY, Oswego, NY | Major source | No |
| OSWEGO HARBOR POWER | OSWEGO, Oswego, NY | Major source | No |
| OTAY LANDFILL GAS LLC (COVANTA) | CHULA VISTA, San Diego, CA | Major source | No |
| OTAY MESA ENERGY CENTER | SAN DIEGO, San Diego, CA | Major source | No |
| OTERO/GREENTREE REGIONAL LANDFILL | ALAMOGORDO, Otero, NM | Major source | No |
| OTSEGO PAPER INC. | OTSEGO, Allegan, MI | Major source | No |
| OTTAWA COUNTY FARMS LANDFILL | COOPERSVILLE, Ottawa, MI | Major source | No |
| OTTAWA MUN. POWER PLANT (AIR) | OTTAWA, Franklin, KS | Major source | No |
| OTTENWELLER COMPANY INC | FORT WAYNE, Allen, IN | Major source | Yes |
| OTTER TAIL POWER CO - SOLWAY PLANT | SOLWAY, Beltrami, MN | Major source | No |
| OTTER TAIL POWER COMPANY | BIG STONE CITY, Grant, SD | Major source | No |
| OTTER TAIL POWER COMPANY - ASTORIA STATION | ASTORIA, Deuel, SD | Major source | No |
| OTTER TAIL POWER COMPANY - COYOTE STATION - AQ | BEULAH, Mercer, ND | Major source | No |
| OUACHITA CITY MID-LA #1 COMPRESSOR STATION | OUACHITA CITY, Union, LA | Major source | No |
| OUTAGAMIE COUNTY LANDFILL | APPLETON, Ozaukee, WI | Major source | No |
| OUTBACK COMPRESSOR STATION | STANTON, Martin, TX | Major source | No |
| OUTER LOOP RECYCLING & DISPOSAL FACILITY/WMK-LOUISVILLE HAULING | LOUISVILLE, Jefferson, KY | Major source | No |
| OUTOKUMPU STAINLESS USA, LLC | CALVERT, Mobile, AL | Major source | No |
| OVERWRAPS PACKAGING | DALLAS, Dallas, TX | Major source | No |
| OVERWRAPS PACKAGING | DALLAS, Dallas, TX | Major source | No |
| OWATONNA ENERGY STATION | OWATONNA, Steele, MN | Major source | No |
| OWEN CORNING ROOFING AND ASPHALT | MEMPHIS, Shelby, TN | Major source | No |
| OWEN ELECTRIC STEEL COMPANY OF SOUTH CAROLINA | CAYCE, Lexington, SC | Major source | No |
| OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Major source | No |
| OWENS BROCKWAY GLASS CONTAINER | WACO, McLennan, TX | Major source | No |
| OWENS BROCKWAY GLASS CONTAINER INC | LAPEL, Madison, IN | Major source | Yes |
| OWENS BROCKWAY GLASS CONTAINER INC / MUSKOGEE | MUSKOGEE, Muskogee, OK | Major source | No |
| OWENS BROCKWAY GLASS CONTAINER INC. | PORTLAND, Multnomah, OR | Major source | Yes |
Figures from EPA’s ICIS-AIR download.