EPA Air · stack tests by year
Air-emissions stack tests in 2023
- 26,911Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2023
- California 7,676
- Ohio 2,800
- Florida 1,589
- Indiana 1,487
- Oklahoma 1,420
- New Mexico 1,087
- Georgia 1,057
- Pennsylvania 889
- Alabama 689
- Wyoming 670
- Mississippi 625
- Arkansas 602
- Iowa 453
- Colorado 436
- Texas 395
- Missouri 328
- North Carolina 302
- Washington 283
- Wisconsin 251
- Michigan 229
- Minnesota 228
- Delaware 224
- South Carolina 222
- West Virginia 218
- Kentucky 210
- Tennessee 200
- Utah 196
- Montana 177
- Virginia 170
- North Dakota 157
- Illinois 152
- Nebraska 152
- Alaska 140
- Nevada 127
- New York 123
- Maine 111
- Connecticut 108
- Arizona 102
- Louisiana 77
- Idaho 77
- Hawaii 72
- New Hampshire 58
- New Jersey 56
- South Dakota 54
- Maryland 49
- Kansas 45
- Oregon 44
- District of Columbia 36
- Massachusetts 27
- Rhode Island 20
- Puerto Rico 6
- Vermont 5
Other years
Air-emissions stack tests recorded in 2023
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2023-11-14 | DEVON ENERGY PRODUCTION CO LP / BORNBOOMER 31 PAD 1 | KINGFISHER, Kingfisher, OK | Pass | State |
| 2023-11-14 | ONEOK FIELD SERVICES CO LLC / HAY COMPRESSOR STATON | STRONG CITY, Roger Mills, OK | Pass | State |
| 2023-11-14 | ENABLE OKLAHOMA INTRASTATE TRANSMISSION / CORDELL STATION | CORDELL, Washita, OK | Pass | State |
| 2023-11-14 | ENABLE OKLAHOMA INTRASTATE TRANSMISSION / CORDELL STATION | CORDELL, Washita, OK | Pass | State |
| 2023-11-14 | PEOPLES NATURAL GAS CO LLC/ROARING RUN STA | APOLLO, Armstrong, PA | Pass | State |
| 2023-11-14 | MONTOUR LLC/MONTOUR SES | WASHINGTONVILLE, Montour, PA | Pass | State |
| 2023-11-14 | NFG MIDSTREAM COVINGTON LLC/SHAW COMP STA | MAINESBURG, Tioga, PA | Fail | State |
| 2023-11-14 | EQUITRANS LP/JEFFERSON COMP STA | LIPPINCOTT, Greene, PA | Pass | State |
| 2023-11-14 | SOUTHWESTERN ENERGY CO/RACINE 5H | NEW MILFORD, Susquehanna, PA | Pass | State |
| 2023-11-14 | PA GEN ENERGY CO LLC/COP TRACT 596 PAD B | ROARING BRANCH, Tioga, PA | Pass | State |
| 2023-11-14 | HURON ENERGY LLC, DBA GLACIAL LAKES ENERGY LLC — high-priority violation on file | HURON, Beadle, SD | Pass | State |
| 2023-11-14 | VALERO RENEWABLE FUELS COMPANY LLC — high-priority violation on file | AURORA, Brookings, SD | Pass | State |
| 2023-11-14 | ABERDEEN ENERGY, LLC — high-priority violation on file | MINA, Edmunds, SD | Pass | State |
| 2023-11-14 | GAF MATERIALS | DALLAS, Dallas, TX | Pass | U.S. EPA |
| 2023-11-14 | NYDIG DFM LLC - DUCHESNE DATA POWER STATION (FORMERLY CRUSOE ENERGY SYSTEMS) | UPALCO, Duchesne, UT | Pass | State |
| 2023-11-14 | FREDERICK COUNTY REGIONAL LANDFILL | WINCHESTER, Frederick, VA | Pass | State |
| 2023-11-14 | ISF (USA) LLC - HIGH LINER FOODS | NEWPORT NEWS, Newport News (city), VA | Pass | State |
| 2023-11-14 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2023-11-14 | NORTHWEST PIPELINE CORP WASHOUGAL | WASHOUGAL, Clark, WA | Pass | Local |
| 2023-11-14 | UNITED WISCONSIN GRAIN PRODUCERS, LLC — high-priority violation on file | FRIESLAND, Columbia, WI | Pass | State |
| 2023-11-14 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | Pass | State |
| 2023-11-14 | AHLSTROM RHINELANDER LLC | RHINELANDER, Outagamie, WI | Pass | State |
| 2023-11-14 | AMERICAN BITUMINOUS POWER PARTNERS, L. P., GRANT | GRANT TOWN, Marion, WV | Pass | State |
| 2023-11-13 | DESOTO GATHERING COMPANY, LLC - COVE CREEK CPF-4 | DAMASCUS, Van Buren, AR | Pass | State |
| 2023-11-13 | DESOTO GATHERING COMPANY, LLC - COVE CREEK CPF-4 | DAMASCUS, Van Buren, AR | Pass | State |
| 2023-11-13 | MOSS LANDING POWER COMPANY LLC (FRMLY DYNEGY MOSS LANDING LLC) | MOSS LANDING, Monterey, CA | Pass | Local |
| 2023-11-13 | MOSS LANDING POWER COMPANY LLC (FRMLY DYNEGY MOSS LANDING LLC) | MOSS LANDING, Monterey, CA | Pass | Local |
| 2023-11-13 | MOSS LANDING POWER COMPANY LLC (FRMLY DYNEGY MOSS LANDING LLC) | MOSS LANDING, Monterey, CA | Pass | Local |
| 2023-11-13 | MOSS LANDING POWER COMPANY LLC (FRMLY DYNEGY MOSS LANDING LLC) | MOSS LANDING, Monterey, CA | Pass | Local |
| 2023-11-13 | SO CAL GAS CO | VALENCIA, Los Angeles, CA | Pass | Local |
| 2023-11-13 | CRESTWOOD WEST COAST LLC | BAKERSFIELD, Kern, CA | Fail | Local |
| 2023-11-13 | CRESTWOOD WEST COAST LLC | BAKERSFIELD, Kern, CA | Fail | Local |
| 2023-11-13 | CRESTWOOD WEST COAST LLC | BAKERSFIELD, Kern, CA | Fail | Local |
| 2023-11-13 | CRESTWOOD WEST COAST LLC | BAKERSFIELD, Kern, CA | Fail | Local |
| 2023-11-13 | YALE UNIVERSITY WEST CAMPUS | WEST HAVEN, New Haven, CT | Pass | State |
| 2023-11-13 | HANDYTUBE LLC | CAMDEN, Kent, DE | N/A | State |
| 2023-11-13 | HANDYTUBE LLC | CAMDEN, Kent, DE | N/A | State |
| 2023-11-13 | PINE BLUFF LANDFILL | BALL GROUND, Cherokee, GA | Pass | State |
| 2023-11-13 | CONCORDE/INTERSPACE BATTERY GEORGIA CORPORATION | AUSTELL, Cobb, GA | Pass | State |
| 2023-11-13 | ITAFOS CONDA LLC - TV FACILITY | SODA SPRINGS, Caribou, ID | Pass | State |
| 2023-11-13 | CLEARWATER PAPER CORP-PPD | LEWISTON, Nez Perce, ID | Pass | State |
| 2023-11-13 | CITY OF EMPORIA - TRANSFER STATION (AIR) | EMPORIA, Lyon, KS | Pass | State |
| 2023-11-13 | EXETER AGRI-ENERGY, LLC | EXETER, TOWN OF, Penobscot, ME | Pass | State |
| 2023-11-13 | MDU - GLENDIVE | GLENDIVE, Dawson, MT | Pass | State |
| 2023-11-13 | MDU - GLENDIVE | GLENDIVE, Dawson, MT | Pass | State |
| 2023-11-13 | BRONCO COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2023-11-13 | BRONCO COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2023-11-13 | BRONCO COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2023-11-13 | PETRY BOOSTER STATION | MALAGA, Eddy, NM | Pass | State |
| 2023-11-13 | PETRY BOOSTER STATION | MALAGA, Eddy, NM | Pass | State |
| 2023-11-13 | CYPRESS 33 A CTB | MALAGA, Eddy, NM | Pass | State |
| 2023-11-13 | SEAWOLF COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2023-11-13 | SEAWOLF COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2023-11-13 | EOG RESOURCES, INC. - HN STO 26 12-11-6 SOUTH PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-11-13 | EOG RESOURCES, INC. - HN STO 26 12-11-6 SOUTH PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-11-13 | RANDALL PAD 952760 | SARDIS, Monroe, OH | Pass | State |
| 2023-11-13 | RANDALL PAD 952760 | SARDIS, Monroe, OH | Pass | State |
| 2023-11-13 | RANDALL PAD 952760 | SARDIS, Monroe, OH | Pass | State |
| 2023-11-13 | DEVON ENERGY PRODUCTION CO LP / CHIPMUNK 11 2 PAD 3 | WATONGA, Blaine, OK | Pass | State |
| 2023-11-13 | DEVON ENERGY PRODUCTION CO LP / COWAN 15 10 PAD 2 | WATONGA, Blaine, OK | Pass | State |
| 2023-11-13 | DEVON ENERGY PRODUCTION CO LP / EDWARD 24 PAD 2 | WATONGA, Blaine, OK | Pass | State |
| 2023-11-13 | VALIDUS ENERGY II MIDCON LLC / BALUCHI EAST PAD | LINDSAY, Garvin, OK | Pass | State |
| 2023-11-13 | ET GATHERING PROCESSING LLC / TABLER COMPRESSOR STATION | TABLER, Grady, OK | Pass | State |
| 2023-11-13 | CHISHOLM OIL AND GAS OPERATING LLC / PHOENIX 1808 16 1MH FACILITY | HENNESSEY, Kingfisher, OK | Pass | State |
| 2023-11-13 | FW MIDCON I LLC / RALPH 1507 2H 3H 4H 15X | KINGFISHER, Kingfisher, OK | Pass | State |
| 2023-11-13 | FW MIDCON I LLC / WOOD 0704 1H 14X | DIBBLE, McClain, OK | Pass | State |
| 2023-11-13 | FW MIDCON I LLC / CLARENCE 0204 2H 3H 11X MCCLELLAND 020 | FOSTER, Stephens, OK | Pass | State |
| 2023-11-13 | LONGWOOD GARDENS/KENNETT SQUARE | KENNETT SQUARE, Chester, PA | Pass | State |
| 2023-11-13 | NFG MIDSTREAM COVINGTON LLC/TRACT 007 COMP STA | WELLSBORO, Tioga, PA | Pass | State |
| 2023-11-13 | LAUREL HILL PAD A 12635 | LIBERTY, Lycoming, PA | Pass | State |
| 2023-11-13 | TENNESSEE OPERATIONS OF EASTMAN CHEMICAL COMPANY — high-priority violation on file | KINGSPORT, Sullivan, TN | Pass | State |
| 2023-11-13 | VALERO CORPUS CHRISTI REFINERY EAST PLANT | CORPUS CHRISTI, Nueces, TX | N/A | State |
| 2023-11-13 | PACKAGING CORPORATION OF AMERICA-TOMAHAW | TOMAHAWK, Lincoln, WI | Pass | State |
| 2023-11-13 | MARKWEST LIBERTY MIDSTREAM & RESOURCES, L.L.C., SHERWOOD | WEST UNION, Doddridge, WV | Pass | State |
| 2023-11-12 | WEST KENTUCKY LANDFILL — high-priority violation on file | MAYFIELD, Graves, KY | Pass | State |
| 2023-11-12 | DEVON ENERGY PRODUCTION CO LP / SHOWBOAT PAD 3 | ALPHA, Kingfisher, OK | Pass | State |
| 2023-11-11 | STERILIZATION SERVICES OF GEORGIA | ATLANTA, Fulton, GA | Pass | State |
| 2023-11-11 | STERILIZATION SERVICES OF GEORGIA | ATLANTA, Fulton, GA | Pass | State |
| 2023-11-11 | PRAIRIE HILL RDF | MORRISON, Whiteside, IL | Pass | State |
| 2023-11-11 | WHEELABRATOR WESTCHESTER, L.P. | PEEKSKILL, Westchester, NY | Pass | State |
| 2023-11-11 | REWORLD PLYMOUTH/ PLYMOUTH — high-priority violation on file | CONSHOHOCKEN, Montgomery, PA | Pass | State |
| 2023-11-11 | AIR LIQUIDE AMERICA LP | ANACORTES, Skagit, WA | Pass | Local |
| 2023-11-10 | DESOTO GATHERING COMPANY, LLC - PHILLIPS MOUNTAIN CPF-2 | CLEVELAND, Conway, AR | Pass | State |
| 2023-11-10 | DESOTO GATHERING COMPANY LLC - PIKE CPF-1 | HATTIEVILLE, Conway, AR | Pass | State |
| 2023-11-10 | ASARCO - HAYDEN SMELTER — high-priority violation on file | HAYDEN, Gila, AZ | Pass | State |
| 2023-11-10 | PROVIDENCE ST JOSEPH MEDICAL CENTER | BURBANK, Los Angeles, CA | Pass | Local |
| 2023-11-10 | PROVIDENCE ST JOSEPH MEDICAL CENTER | BURBANK, Los Angeles, CA | Pass | Local |
| 2023-11-10 | BLUESCOPE COATED PRODUCTS LLC | RANCHO CUCAMONGA, San Bernardino, CA | Pass | Local |
| 2023-11-10 | BLUESCOPE COATED PRODUCTS LLC | RANCHO CUCAMONGA, San Bernardino, CA | Pass | Local |
| 2023-11-10 | BLUESCOPE COATED PRODUCTS LLC | RANCHO CUCAMONGA, San Bernardino, CA | Pass | Local |
| 2023-11-10 | VERDAD RESOURCES - ROHN 1423 PAD | GROVER 11.4 MI. N OF, Weld, CO | Pass | State |
| 2023-11-10 | OLEANDER POWER PROJECT, LP | COCOA, Brevard, FL | Pass | State |
| 2023-11-10 | OWENS CORNING ASPHALT ROOFING, LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-11-10 | OSCEOLA FARMS | PAHOKEE, Palm Beach, FL | Pass | State |
| 2023-11-10 | OSCEOLA FARMS | PAHOKEE, Palm Beach, FL | Pass | State |
| 2023-11-10 | OSCEOLA FARMS | PAHOKEE, Palm Beach, FL | Pass | State |
| 2023-11-10 | OSCEOLA FARMS | PAHOKEE, Palm Beach, FL | Pass | State |
| 2023-11-10 | OSCEOLA FARMS | PAHOKEE, Palm Beach, FL | Pass | State |
| 2023-11-10 | OSCEOLA FARMS | PAHOKEE, Palm Beach, FL | Pass | State |
| 2023-11-10 | OSCEOLA FARMS | PAHOKEE, Palm Beach, FL | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.