EPA Air · stack tests by year
Air-emissions stack tests in 2024
- 39,252Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2024
- California 18,905
- Ohio 2,721
- Oklahoma 1,804
- Indiana 1,704
- New Mexico 1,428
- Florida 1,427
- Wyoming 1,285
- Georgia 1,104
- Pennsylvania 905
- Alabama 721
- Arkansas 569
- Missouri 539
- Iowa 464
- Mississippi 437
- Colorado 400
- Washington 338
- Texas 271
- Wisconsin 269
- North Carolina 254
- Minnesota 250
- West Virginia 230
- South Carolina 223
- Kentucky 218
- Delaware 185
- Montana 180
- Michigan 159
- Virginia 159
- Alaska 158
- Utah 157
- Tennessee 155
- Nebraska 150
- North Dakota 138
- Arizona 126
- Connecticut 122
- New York 115
- Maine 114
- Louisiana 113
- Illinois 109
- Idaho 91
- Nevada 88
- Hawaii 67
- Kansas 64
- New Hampshire 61
- South Dakota 59
- Maryland 58
- Massachusetts 52
- Oregon 35
- Rhode Island 29
- District of Columbia 25
- New Jersey 8
- Puerto Rico 5
- Vermont 4
Other years
Air-emissions stack tests recorded in 2024
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2024-11-11 | HAMILTON CO COAL LLC | MCLEANSBORO, Hamilton, IL | Pass | State |
| 2024-11-11 | HAMILTON CO COAL LLC | MCLEANSBORO, Hamilton, IL | Pass | State |
| 2024-11-11 | HAMILTON CO COAL LLC | MCLEANSBORO, Hamilton, IL | Pass | State |
| 2024-11-11 | HAMILTON CO COAL LLC | MCLEANSBORO, Hamilton, IL | Pass | State |
| 2024-11-11 | HAMILTON CO COAL LLC | MCLEANSBORO, Hamilton, IL | Pass | State |
| 2024-11-11 | HAMILTON CO COAL LLC | MCLEANSBORO, Hamilton, IL | Pass | State |
| 2024-11-11 | HAMILTON CO COAL LLC | MCLEANSBORO, Hamilton, IL | Pass | State |
| 2024-11-11 | HAMILTON CO COAL LLC | MCLEANSBORO, Hamilton, IL | Pass | State |
| 2024-11-11 | HAMILTON CO COAL LLC | MCLEANSBORO, Hamilton, IL | Pass | State |
| 2024-11-11 | HAMILTON CO COAL LLC | MCLEANSBORO, Hamilton, IL | Pass | State |
| 2024-11-11 | HAMILTON CO COAL LLC | MCLEANSBORO, Hamilton, IL | Pass | State |
| 2024-11-11 | ADM FASCO MENDOTA RAIL | MENDOTA, La Salle, IL | Pass | State |
| 2024-11-11 | CARGILL INC SOYBEAN PROCESSING DIVISION | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2024-11-11 | CARGILL INC SOYBEAN PROCESSING DIVISION | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2024-11-11 | CARGILL INC SOYBEAN PROCESSING DIVISION | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2024-11-11 | CARGILL INC SOYBEAN PROCESSING DIVISION | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2024-11-11 | CARGILL INC SOYBEAN PROCESSING DIVISION | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2024-11-11 | CARGILL INC SOYBEAN PROCESSING DIVISION | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2024-11-11 | FORD MOTOR COMPANY KENTUCKY TRUCK PLANT | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2024-11-11 | WARREN PAVING INC, GULFPORT PLANT | GULFPORT, Harrison, MS | Pass | State |
| 2024-11-11 | RAIDER COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2024-11-11 | EOG - ALADDIN COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-11-11 | EOG - ALADDIN COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-11-11 | EOG - NEPTUNE LOCALIZED GAS LIFT STATION | JAL, Lea, NM | Pass | State |
| 2024-11-11 | EOG - NEPTUNE LOCALIZED GAS LIFT STATION | JAL, Lea, NM | Pass | State |
| 2024-11-11 | BLUE RACER MIDSTREAM, LLC - BORTON STATION | QUAKER CITY, Guernsey, OH | Pass | State |
| 2024-11-11 | BLUE RACER MIDSTREAM, LLC - BORTON STATION | QUAKER CITY, Guernsey, OH | Pass | State |
| 2024-11-11 | BLUE RACER MIDSTREAM, LLC - BORTON STATION | QUAKER CITY, Guernsey, OH | Pass | State |
| 2024-11-11 | BLUE RACER MIDSTREAM, LLC - BORTON STATION | QUAKER CITY, Guernsey, OH | Pass | State |
| 2024-11-11 | BLUE RACER MIDSTREAM, LLC - BORTON STATION | QUAKER CITY, Guernsey, OH | Pass | State |
| 2024-11-11 | BLUE RACER MIDSTREAM, LLC - BORTON STATION | QUAKER CITY, Guernsey, OH | Pass | State |
| 2024-11-11 | BLUE RACER MIDSTREAM, LLC - BORTON STATION | QUAKER CITY, Guernsey, OH | Pass | State |
| 2024-11-11 | BLUE RACER MIDSTREAM, LLC - BORTON STATION | QUAKER CITY, Guernsey, OH | Pass | State |
| 2024-11-11 | BLUE RACER MIDSTREAM, LLC - BORTON STATION | QUAKER CITY, Guernsey, OH | Pass | State |
| 2024-11-11 | BLUE RACER MIDSTREAM, LLC - BORTON STATION | QUAKER CITY, Guernsey, OH | Pass | State |
| 2024-11-11 | BLUE RACER MIDSTREAM, LLC - BORTON STATION | QUAKER CITY, Guernsey, OH | Pass | State |
| 2024-11-11 | BLUE RACER MIDSTREAM, LLC - BORTON STATION | QUAKER CITY, Guernsey, OH | Pass | State |
| 2024-11-11 | MCINTIRE NORTH PAD 952640 | SARDIS, Monroe, OH | Pass | State |
| 2024-11-11 | MCINTIRE NORTH PAD 952640 | SARDIS, Monroe, OH | Pass | State |
| 2024-11-11 | MCINTIRE NORTH PAD 952640 | SARDIS, Monroe, OH | Pass | State |
| 2024-11-11 | XTO ENERGY INC / BERWYN CDP COMPRESSOR STATION | ARDMORE, Carter, OK | Pass | State |
| 2024-11-11 | XTO ENERGY INC / BERWYN CDP COMPRESSOR STATION | ARDMORE, Carter, OK | Pass | State |
| 2024-11-11 | PEOPLES ELECTRIC COOP / TARGA — high-priority violation on file | CENTRAHOMA, Coal, OK | Pass | State |
| 2024-11-11 | PEOPLES ELECTRIC COOP / TARGA — high-priority violation on file | CENTRAHOMA, Coal, OK | Pass | State |
| 2024-11-11 | BCE MACH LLC / BLUE HORSESHOE PAD | MIDDLEBERG, Grady, OK | Pass | State |
| 2024-11-11 | TARGA PIPELINE MIDCONTINENT LLC / KETCHUM RANCH COMPRESSOR STATION | VELMA, Stephens, OK | Pass | State |
| 2024-11-11 | TARGA PIPELINE MIDCONTINENT LLC / KETCHUM RANCH COMPRESSOR STATION | VELMA, Stephens, OK | Pass | State |
| 2024-11-11 | ISA WELL SITE — high-priority violation on file | COGAN STATION, Lycoming, PA | Pass | State |
| 2024-11-11 | SANTEE COOPER CROSS GENERATING STATION — high-priority violation on file | PINEVILLE, Berkeley, SC | Pass | State |
| 2024-11-10 | EOG - ALADDIN COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-11-10 | EOG - ALADDIN COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-11-10 | EOG - ALADDIN COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-11-10 | EOG - ALADDIN COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-11-10 | EOG - ALADDIN COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-11-10 | EOG - ALADDIN COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-11-09 | ALYESKA PIPELINE SERVICE COMPANY / VALDEZ MARINE TERMINAL | VALDEZ, Valdez-Cordova (CA), AK | Pass | State |
| 2024-11-09 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2024-11-09 | CRONUS COMPRESSOR STATION | MALAGA, Lea, NM | Pass | State |
| 2024-11-08 | DRUMMOND COMPANY, INC. (ABC COKE) | BIRMINGHAM, Jefferson, AL | Pass | Local |
| 2024-11-08 | CHEVRON MINING INC | MOUNTAIN PASS, San Bernardino, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-11-08 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-11-08 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-11-08 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-11-08 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-11-08 | CRODA, INC — high-priority violation on file | NEW CASTLE, New Castle, DE | Pass | State |
| 2024-11-08 | CRODA, INC — high-priority violation on file | NEW CASTLE, New Castle, DE | Pass | State |
| 2024-11-08 | JAX LNG LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2024-11-08 | JAX LNG LLC | JACKSONVILLE, Duval, FL | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.