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 |
|---|---|---|---|---|
| 2024-12-31 | ALABAMA POWER COMPANY | WILSONVILLE, Shelby, AL | Pass | State |
| 2024-12-31 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2024-12-31 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2024-12-31 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2024-12-31 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2024-12-31 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2024-12-31 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2024-12-31 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2024-12-31 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2024-12-31 | UNIVERSITY OF IOWA | IOWA CITY, Johnson, IA | Pass | State |
| 2024-12-31 | GARFIELD FACILITY LLC — high-priority violation on file | MUNCIE, Delaware, IN | Pass | State |
| 2024-12-31 | WARRICK NEWCO LLC — high-priority violation on file | NEWBURGH, Warrick, IN | Fail | State |
| 2024-12-31 | WARRICK NEWCO LLC — high-priority violation on file | NEWBURGH, Warrick, IN | Fail | State |
| 2024-12-31 | VALERO REFINING - NEW ORLEANS LLC - ST CHARLES REFINERY | NORCO, St. Charles, LA | Pass | State |
| 2024-12-31 | SAPPI NORTH AMERICA, INC. | SKOWHEGAN, Somerset, ME | Pass | State |
| 2024-12-31 | CIE NORFOLK GNS LLC — high-priority violation on file | NORFOLK, Madison, NE | Pass | State |
| 2024-12-31 | DEEP FLAT BOOSTER STATION | AVALON, Eddy, NM | Pass | State |
| 2024-12-31 | LOAN ASSET ISSUER LLC/WEST FINLEY 10 WELL PAD | WEST FINLEY, Washington, PA | Pass | State |
| 2024-12-31 | ANTERO MIDSTREAM LLC, ZINNIA STATION | SALEM, Harrison, WV | Pass | State |
| 2024-12-30 | BFI - WASTE SYSTEM OF ARKANSAS, LLC | BAUXITE, Saline, AR | Pass | State |
| 2024-12-30 | KRAFT HEINZ FOODS COMPANY | JACKSONVILLE, Duval, FL | Pass | State |
| 2024-12-30 | HC&D - PUUNENE | PUUNENE, Maui, HI | Pass | State |
| 2024-12-30 | WEST HAWAII CONCRETE - WAIMEA | UNKNOWN, Undetermined, HI | Pass | State |
| 2024-12-30 | UNIVERSITY OF IOWA | IOWA CITY, Johnson, IA | Pass | State |
| 2024-12-30 | GULF SOUTH PIPELINE COMPANY LLC, BLACK CREEK COMPRESSOR STATION | PURVIS, Forrest, MS | Pass | State |
| 2024-12-30 | GULF SOUTH PIPELINE COMPANY LLC, BLACK CREEK COMPRESSOR STATION | PURVIS, Forrest, MS | Pass | State |
| 2024-12-30 | GULF SOUTH PIPELINE COMPANY LLC, BLACK CREEK COMPRESSOR STATION | PURVIS, Forrest, MS | Pass | State |
| 2024-12-30 | GULF SOUTH PIPELINE COMPANY LLC, BLACK CREEK COMPRESSOR STATION | PURVIS, Forrest, MS | Pass | State |
| 2024-12-30 | GULF SOUTH PIPELINE COMPANY LLC, BLACK CREEK COMPRESSOR STATION | PURVIS, Forrest, MS | Pass | State |
| 2024-12-30 | GULF SOUTH PIPELINE COMPANY LLC, BLACK CREEK COMPRESSOR STATION | PURVIS, Forrest, MS | Pass | State |
| 2024-12-30 | DRY CREEK FIELD STATION 056 | RED LODGE, Carbon, MT | Pass | State |
| 2024-12-30 | DEEP FLAT BOOSTER STATION | AVALON, Eddy, NM | Pass | State |
| 2024-12-30 | DEEP FLAT BOOSTER STATION | AVALON, Eddy, NM | Pass | State |
| 2024-12-30 | LOAN ASSET ISSUER LLC/WEST FINLEY 1 WELL PAD | WEST FINLEY, Washington, PA | Pass | State |
| 2024-12-29 | CRIMSON RESOURCE MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-27 | ST GOBAIN ABRASIVES, INC | WORCESTER, CITY OF, Worcester, MA | Pass | State |
| 2024-12-27 | OCCIDENTAL CHEMICAL CORPORATION | LUDINGTON, Mason, MI | Pass | State |
| 2024-12-27 | DAVE GATES GENERATING STATION AT MILL CREEK | ANACONDA, Deer Lodge, MT | Pass | State |
| 2024-12-27 | DAVE GATES GENERATING STATION AT MILL CREEK | ANACONDA, Deer Lodge, MT | Pass | State |
| 2024-12-27 | DAVE GATES GENERATING STATION AT MILL CREEK | ANACONDA, Deer Lodge, MT | Pass | State |
| 2024-12-27 | DAVE GATES GENERATING STATION AT MILL CREEK | ANACONDA, Deer Lodge, MT | Pass | State |
| 2024-12-27 | DAVE GATES GENERATING STATION AT MILL CREEK | ANACONDA, Deer Lodge, MT | Pass | State |
| 2024-12-27 | DAVE GATES GENERATING STATION AT MILL CREEK | ANACONDA, Deer Lodge, MT | Pass | State |
| 2024-12-27 | BITTER LAKE COMPRESSOR STATION | ROSWELL, Chaves, NM | Pass | State |
| 2024-12-27 | BITTER LAKE COMPRESSOR STATION | ROSWELL, Chaves, NM | Pass | State |
| 2024-12-27 | BITTER LAKE COMPRESSOR STATION | ROSWELL, Chaves, NM | Pass | State |
| 2024-12-27 | BITTER LAKE COMPRESSOR STATION | ROSWELL, Chaves, NM | Pass | State |
| 2024-12-27 | BITTER LAKE COMPRESSOR STATION | ROSWELL, Chaves, NM | Pass | State |
| 2024-12-27 | BITTER LAKE COMPRESSOR STATION | ROSWELL, Chaves, NM | Pass | State |
| 2024-12-27 | GOLDEN SPUR 36 WF1 | MALAGA, Eddy, NM | Pass | State |
| 2024-12-27 | ROCCO COMPRESSOR STATION | MALAGA, Lea, NM | Pass | State |
| 2024-12-27 | ROCCO COMPRESSOR STATION | MALAGA, Lea, NM | Pass | State |
| 2024-12-27 | LARIAT COMPRESSOR STATION — high-priority violation on file | MALJAMAR, Lea, NM | Pass | State |
| 2024-12-27 | GATO GRANDE 16 CTB 1 | MALAGA, Lea, NM | Pass | State |
| 2024-12-27 | VALIDUS ENERGY II MIDCON LLC / HAWORTH 1H 25 36 | CARMEN, Woods, OK | Pass | State |
| 2024-12-26 | SO CAL GAS CO | NORTHRIDGE, Los Angeles, CA | Pass | Local |
| 2024-12-26 | OCCIDENTAL CHEMICAL CORPORATION | LUDINGTON, Mason, MI | Pass | State |
| 2024-12-26 | DTE ELECTRIC COMPANY - MONROE POWER PLANT | MONROE, Monroe, MI | Pass | State |
| 2024-12-26 | KAO SPECIALTIES AMERICAS, LLC | HIGH POINT, Guilford, NC | Pass | State |
| 2024-12-26 | BITTER LAKE COMPRESSOR STATION | ROSWELL, Chaves, NM | Incomplete | State |
| 2024-12-26 | BITTER LAKE COMPRESSOR STATION | ROSWELL, Chaves, NM | Pass | State |
| 2024-12-26 | BITTER LAKE COMPRESSOR STATION | ROSWELL, Chaves, NM | Pass | State |
| 2024-12-26 | VALDEZ BOOSTER STATION | LOVING, Eddy, NM | Pass | State |
| 2024-12-26 | ROCCO COMPRESSOR STATION | MALAGA, Lea, NM | Pass | State |
| 2024-12-26 | GATO GRANDE 16 CTB 1 | MALAGA, Lea, NM | Pass | State |
| 2024-12-26 | GATO GRANDE 16 CTB 1 | MALAGA, Lea, NM | Pass | State |
| 2024-12-26 | GULFPORT MIDCON LLC / ANGELA SOUTH A PAD | ALEX, Grady, OK | Pass | State |
| 2024-12-24 | UNITED STATES BAKERY | PORTLAND, Multnomah, OR | Pass | State |
| 2024-12-23 | DEMENNO-KERDOON DBA WORLD OIL RECYCLING | COMPTON, Los Angeles, CA | Pass | Local |
| 2024-12-23 | WESTLAKE ROYAL ROOFING LLC | CORONA, Riverside, CA | Pass | Local |
| 2024-12-23 | 40 LCID, LLC (ACI) | STATESVILLE, Iredell, NC | Pass | State |
| 2024-12-23 | PILKINGTON NORTH AMERICA, INC. — high-priority violation on file | LAURINBURG, Scotland, NC | Pending | State |
| 2024-12-23 | OPPD NEBRASKA CITY STATION | NEBRASKA CITY, Otoe, NE | Pass | State |
| 2024-12-23 | MERRIMACK STATION | BOW, Merrimack, NH | Pass | State |
| 2024-12-23 | WALKER COMPRESSOR STATION | LOVING, Eddy, NM | Incomplete | State |
| 2024-12-23 | WALKER COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2024-12-23 | SCHLITZ CTB — high-priority violation on file | WHITES CITY, Eddy, NM | Pass | State |
| 2024-12-23 | EOG RESOURCES, INC. - DAVID WEAVER HN STO PAD | SCIO, Harrison, OH | Pass | State |
| 2024-12-23 | EOG RESOURCES, INC. - DAVID WEAVER HN STO PAD | SCIO, Harrison, OH | Pass | State |
| 2024-12-23 | EOG RESOURCES, INC. - DAVID WEAVER HN STO PAD | SCIO, Harrison, OH | Pass | State |
| 2024-12-23 | TOM STACK LLC / BIG SKY COMPRESSOR STATION | UNION CITY, Canadian, OK | Pass | State |
| 2024-12-23 | TOM STACK LLC / BIG SKY COMPRESSOR STATION | UNION CITY, Canadian, OK | Pass | State |
| 2024-12-23 | TOM STACK LLC / BIG SKY COMPRESSOR STATION | UNION CITY, Canadian, OK | Pass | State |
| 2024-12-23 | LOAN ASSET ISSUER LLC/WEST FINLEY 6 WELL PAD | WEST FINLEY, Washington, PA | Pass | State |
| 2024-12-23 | LOAN ASSET ISSUER LLC/WEST FINLEY 5 WELL PAD | WEST FINLEY, Washington, PA | Pass | State |
| 2024-12-23 | EXPAND OPERATING LLC/DEER PARK PAD COMP STA | MEHOOPANY, Wyoming, PA | Pass | State |
| 2024-12-23 | NORTH LONGHORN CENTRAL TANK BATTERY | KARNES CITY, Karnes, TX | N/A | State |
| 2024-12-23 | LINHART CENTRAL FACILITY | KARNES CITY, Karnes, TX | Pass | State |
| 2024-12-22 | YELLOWSTONE COUNTY GENERATING STATION | LAUREL, Yellowstone, MT | Pass | State |
| 2024-12-21 | DEMENNO-KERDOON DBA WORLD OIL RECYCLING | COMPTON, Los Angeles, CA | Pass | Local |
| 2024-12-21 | TESORO LOGISTICS OPERATIONS-LONG BEACH | LONG BEACH, Los Angeles, CA | Pass | Local |
| 2024-12-21 | CERTAINTEED GYPSUM PALATKA, LLC | PALATKA, Putnam, FL | Pass | State |
| 2024-12-21 | CERTAINTEED GYPSUM PALATKA, LLC | PALATKA, Putnam, FL | Pass | State |
| 2024-12-21 | MECO - MAALAEA | MAALAEA, Maui, HI | Pass | State |
| 2024-12-20 | INTERNATIONAL PAPER COMPANY — high-priority violation on file | SELMA, Dallas, AL | Pass | State |
| 2024-12-20 | NUCOR YAMATO STEEL COMPANY | BLYTHEVILLE, Mississippi, AR | Pass | State |
| 2024-12-20 | LSB CHEMICAL LLC | EL DORADO, Union, AR | Pass | State |
| 2024-12-20 | LSB CHEMICAL LLC | EL DORADO, Union, AR | Pass | State |
| 2024-12-20 | LSB CHEMICAL LLC | EL DORADO, Union, AR | Pass | State |
| 2024-12-20 | LSB CHEMICAL LLC | EL DORADO, Union, AR | Pass | State |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.