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 |
|---|---|---|---|---|
| 2023-09-01 | USMC - YERMO LOGISTICS CNTR | BARSTOW, San Bernardino, CA | Pass | Local |
| 2023-09-01 | SO CAL GAS CO | VALENCIA, Los Angeles, CA | Pass | Local |
| 2023-09-01 | WASHINGTON HOSPITAL CENTER — high-priority violation on file | WASHINGTON, District of Columbia, DC | Fail | State |
| 2023-09-01 | SK BATTERY AMERICA, INC. | COMMERCE, Jackson, GA | Pass | State |
| 2023-09-01 | SK BATTERY AMERICA, INC. | COMMERCE, Jackson, GA | Pass | State |
| 2023-09-01 | UNIVERSITY OF IOWA | IOWA CITY, Johnson, IA | Pass | State |
| 2023-09-01 | OWENS-CORNING CORP — high-priority violation on file | SUMMIT, Cook, IL | Pass | State |
| 2023-09-01 | LAWRENCEBURG POWER LLC | LAWRENCEBURG, Dearborn, IN | Pass | State |
| 2023-09-01 | LAWRENCEBURG POWER LLC | LAWRENCEBURG, Dearborn, IN | Pass | State |
| 2023-09-01 | LAWRENCEBURG POWER LLC | LAWRENCEBURG, Dearborn, IN | Pass | State |
| 2023-09-01 | LAWRENCEBURG POWER LLC | LAWRENCEBURG, Dearborn, IN | Pass | State |
| 2023-09-01 | LAWRENCEBURG POWER LLC | LAWRENCEBURG, Dearborn, IN | Pass | State |
| 2023-09-01 | LAWRENCEBURG POWER LLC | LAWRENCEBURG, Dearborn, IN | Pass | State |
| 2023-09-01 | ASTORIA ENERGY LLC & ASTORIA ENERGY II LLC | QUEENS (6301), Queens, NY | Pass | State |
| 2023-09-01 | CORNING INCORPORATED - CANTON PLANT | DEKALB, St. Lawrence, NY | Pass | State |
| 2023-09-01 | BCE MACH LLC / ECU 1 07 04 WELL SITE | ELK CITY, Beckham, OK | Pass | State |
| 2023-09-01 | MARKWEST OKLAHOMA GAS CO LLC / KINGFISHER COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2023-09-01 | KING ASPHALT INC - ROCK HILL | ROCK HILL, York, SC | Pass | State |
| 2023-09-01 | HF SINCLAIR WOODS CROSS REFINERY (FORMERLY HOLLY) | WOODS CROSS, Davis, UT | Pass | State |
| 2023-09-01 | LOUDOUN COUNTY SOLID WASTE MANAGEMENT FACILITY | LEESBURG, Loudoun, VA | Pass | State |
| 2023-08-31 | HARRELL'S COATING SOLUTIONS, LLC | SYLACAUGA, Talladega, AL | Pass | State |
| 2023-08-31 | HALLIBURTON ENERGY SERVICES, INC. - MAGNET COVE | MALVERN, Hot Spring, AR | Pass | State |
| 2023-08-31 | HALLIBURTON ENERGY SERVICES, INC. - MAGNET COVE | MALVERN, Hot Spring, AR | Pass | State |
| 2023-08-31 | HALLIBURTON ENERGY SERVICES, INC. - MAGNET COVE | MALVERN, Hot Spring, AR | Pass | State |
| 2023-08-31 | HALLIBURTON ENERGY SERVICES, INC. - MAGNET COVE | MALVERN, Hot Spring, AR | Pass | State |
| 2023-08-31 | HALLIBURTON ENERGY SERVICES, INC. - MAGNET COVE | MALVERN, Hot Spring, AR | Pass | State |
| 2023-08-31 | USMC - YERMO LOGISTICS CNTR | BARSTOW, San Bernardino, CA | Pass | Local |
| 2023-08-31 | SD CITY PT LOMA WASTEWATER TREATMENT | SAN DIEGO, San Diego, CA | Pass | Local |
| 2023-08-31 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2023-08-31 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2023-08-31 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2023-08-31 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2023-08-31 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2023-08-31 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2023-08-31 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2023-08-31 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2023-08-31 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-31 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-31 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-31 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-31 | DCP OPERATING CO - LUCERNE 2 GAS PLANT — high-priority violation on file | GREELEY AREA, Weld, CO | Fail | State |
| 2023-08-31 | WALLINGFORD ENERGY, LLC | WALLINGFORD, New Haven, CT | Pass | State |
| 2023-08-31 | WASHINGTON HOSPITAL CENTER — high-priority violation on file | WASHINGTON, District of Columbia, DC | Fail | State |
| 2023-08-31 | KRAFT HEINZ FOODS COMPANY | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-08-31 | ATLANTA GAS LIGHT COMPANY - RIVERDALE LNG PLANT — high-priority violation on file | RIVERDALE, Clayton, GA | Pass | State |
| 2023-08-31 | ATLANTA GAS LIGHT COMPANY - RIVERDALE LNG PLANT — high-priority violation on file | RIVERDALE, Clayton, GA | Pass | State |
| 2023-08-31 | GIW INDUSTRIES, INC. | GROVETOWN, Columbia, GA | Pass | State |
| 2023-08-31 | GIW INDUSTRIES, INC. | GROVETOWN, Columbia, GA | Pass | State |
| 2023-08-31 | PRECOAT METALS A DIVISION OF SEQUA CORPORATION — high-priority violation on file | GREENFIELD, Hancock, IN | Pass | State |
| 2023-08-31 | PRECOAT METALS A DIVISION OF SEQUA CORPORATION — high-priority violation on file | GREENFIELD, Hancock, IN | Pass | State |
| 2023-08-31 | ASPHALT CUTBACKS INCORPORATED | EAST CHICAGO, Lake, IN | Pass | State |
| 2023-08-31 | ASPHALT CUTBACKS INCORPORATED | EAST CHICAGO, Lake, IN | Pass | State |
| 2023-08-31 | ASPHALT CUTBACKS INCORPORATED | EAST CHICAGO, Lake, IN | Pass | State |
| 2023-08-31 | ASPHALT CUTBACKS INCORPORATED | EAST CHICAGO, Lake, IN | Pass | State |
| 2023-08-31 | ASPHALT CUTBACKS INCORPORATED | EAST CHICAGO, Lake, IN | Pass | State |
| 2023-08-31 | ASPHALT CUTBACKS INCORPORATED | EAST CHICAGO, Lake, IN | Pass | State |
| 2023-08-31 | ASPHALT CUTBACKS INCORPORATED | EAST CHICAGO, Lake, IN | Pass | State |
| 2023-08-31 | ASPHALT CUTBACKS INCORPORATED | EAST CHICAGO, Lake, IN | Pass | State |
| 2023-08-31 | ASPHALT CUTBACKS INCORPORATED | EAST CHICAGO, Lake, IN | Pass | State |
| 2023-08-31 | ASPHALT CUTBACKS INCORPORATED | EAST CHICAGO, Lake, IN | Pass | State |
| 2023-08-31 | ASPHALT CUTBACKS INCORPORATED | EAST CHICAGO, Lake, IN | Pass | State |
| 2023-08-31 | ECOBAT RESOURCES INDIANA LLC | INDIANAPOLIS, Marion, IN | Pass | State |
| 2023-08-31 | ECOBAT RESOURCES INDIANA LLC | INDIANAPOLIS, Marion, IN | Pass | State |
| 2023-08-31 | ECOBAT RESOURCES INDIANA LLC | INDIANAPOLIS, Marion, IN | Pass | State |
| 2023-08-31 | MARATHON PETROLEUM CO LLC - CATLETTSBURG REFINING — high-priority violation on file | CATLETTSBURG, Boyd, KY | Pass | State |
| 2023-08-31 | INTERMAT | BIDDEFORD, York, ME | Pass | State |
| 2023-08-31 | AJAX MATERIALS CORPORATION - PLANT 4 | FLINT, Genesee, MI | Pass | State |
| 2023-08-31 | MARATHON SAINT PAUL PARK REFINERY | SAINT PAUL PARK, Washington, MN | N/A | State |
| 2023-08-31 | MARATHON SAINT PAUL PARK REFINERY | SAINT PAUL PARK, Washington, MN | N/A | State |
| 2023-08-31 | INDIAN CREEK MATERIALS LLC HOUSTON QUARRY | HOUSTON, Texas, MO | Pass | State |
| 2023-08-31 | INDIAN CREEK MATERIALS LLC HOUSTON QUARRY | HOUSTON, Texas, MO | Pass | State |
| 2023-08-31 | INDIAN CREEK MATERIALS LLC HOUSTON QUARRY | HOUSTON, Texas, MO | Pass | State |
| 2023-08-31 | GEORGIA PACIFIC MONTICELLO LLC | MONTICELLO, Lawrence, MS | Pass | State |
| 2023-08-31 | TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA | WATFORD CITY, McKenzie, ND | Pass | State |
| 2023-08-31 | GREEN PLAINS YORK LLC — high-priority violation on file | YORK, York, NE | N/A | State |
| 2023-08-31 | HF SINCLAIR NAVAJO REFINING LLC (ARTESIA) — high-priority violation on file | ARTESIA, Eddy, NM | Pass | State |
| 2023-08-31 | HF SINCLAIR NAVAJO REFINING LLC (ARTESIA) — high-priority violation on file | ARTESIA, Eddy, NM | Pass | State |
| 2023-08-31 | HF SINCLAIR NAVAJO REFINING LLC (ARTESIA) — high-priority violation on file | ARTESIA, Eddy, NM | Pass | State |
| 2023-08-31 | PADUCA BREAKS CENTRAL GATHERING FACILITY | JAL, Lea, NM | Pass | State |
| 2023-08-31 | PADUCA BREAKS CENTRAL GATHERING FACILITY | JAL, Lea, NM | Pass | State |
| 2023-08-31 | PADUCA BREAKS CENTRAL GATHERING FACILITY | JAL, Lea, NM | Pass | State |
| 2023-08-31 | PADUCA BREAKS CENTRAL GATHERING FACILITY | JAL, Lea, NM | Pass | State |
| 2023-08-31 | PADUCA BREAKS CENTRAL GATHERING FACILITY | JAL, Lea, NM | Pass | State |
| 2023-08-31 | PADUCA BREAKS CENTRAL GATHERING FACILITY | JAL, Lea, NM | Pass | State |
| 2023-08-31 | PILOT PEAK PLANT | WEST WENDOVER, Elko, NV | Pass | State |
| 2023-08-31 | DELTA AIR LINES INC | FLUSHING, Queens, NY | Pass | State |
| 2023-08-31 | PRO-TEC COATING COMPANY | LEIPSIC, Putnam, OH | Pass | State |
| 2023-08-31 | PRO-TEC COATING COMPANY | LEIPSIC, Putnam, OH | Pass | State |
| 2023-08-31 | PILKINGTON NORTH AMERICA INC — high-priority violation on file | ROSSFORD, Wood, OH | Pass | State |
| 2023-08-31 | PILKINGTON NORTH AMERICA INC — high-priority violation on file | ROSSFORD, Wood, OH | Pass | State |
| 2023-08-31 | PILKINGTON NORTH AMERICA INC — high-priority violation on file | ROSSFORD, Wood, OH | Pass | State |
| 2023-08-31 | PILKINGTON NORTH AMERICA INC — high-priority violation on file | ROSSFORD, Wood, OH | Pass | State |
| 2023-08-31 | PILKINGTON NORTH AMERICA INC — high-priority violation on file | ROSSFORD, Wood, OH | Pass | State |
| 2023-08-31 | BARRETT PAVING - CLEVES ASPHALT | CLEVES, Hamilton, OH | Pass | State |
| 2023-08-31 | MPLX TERMINALS LLC - CANTON TERMINAL | CANTON, Stark, OH | Pass | State |
| 2023-08-31 | BCE MACH II LLC / MCGUIRE 2 6H STATION | MAYFIELD, Beckham, OK | Pass | State |
| 2023-08-31 | CONTINUUM MIDSTREAM LLC / FOSS COMPRESSOR STATION | FOSS, Custer, OK | Pass | State |
| 2023-08-31 | FW MIDCON I LLC / DAVIS 0805 2HW 3HW 4HW 34X | BLANCHARD, Grady, OK | Pass | State |
| 2023-08-31 | MARKWEST OKLAHOMA GAS CO LLC / SIGMA COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2023-08-31 | TENNESSEE GAS PIPELINE CO/313 COUDERSPORT | COUDERSPORT, Potter, PA | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.