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 |
|---|---|---|---|---|
| 2024-12-17 | CARGILL, INC. - GAINESVILLE VEGETABLE OIL MILL AND REFINERY | GAINESVILLE, Hall, GA | Pass | State |
| 2024-12-17 | CELLOFOAM NORTH AMERICA, INC. | GAINESVILLE, Hall, GA | Pass | State |
| 2024-12-17 | ALTA MUNICIPAL UTILITIES | ALTA, Buena Vista, IA | Pass | State |
| 2024-12-17 | LOUIS DREYFUS COMPANY GRAND JUNCTION, LLC | GRAND JUNCTION, Greene, IA | Pass | State |
| 2024-12-17 | NORTHERN NATURAL GAS | LAKE MILLS, Winnebago, IA | Pass | State |
| 2024-12-17 | TESORO LOGISTICS OPERATIONS-BOISE | BOISE, Ada, ID | Pending | State |
| 2024-12-17 | BASIN RESOURCES INC 00654 | ATHOL, Kootenai, ID | Pass | State |
| 2024-12-17 | HEIDELBERG MATERIALS MIDWEST AGG INCORPORATED HARDING ST QUA | INDIANAPOLIS, Marion, IN | Pass | State |
| 2024-12-17 | LOUISVILLE GAS & ELECTRIC | MAGNOLIA, Larue, KY | Pass | State |
| 2024-12-17 | LOUISVILLE GAS & ELECTRIC | MAGNOLIA, Larue, KY | Pass | State |
| 2024-12-17 | AMERICAN FUJI SEAL INC | BARDSTOWN, Nelson, KY | Pass | State |
| 2024-12-17 | MIDWESTERN GAS TRANSMISSION CO - HARTFORD COMPRESSOR STATION | HARTFORD, Ohio, KY | Pass | State |
| 2024-12-17 | KINGSFORD MANUFACTURING CO | BURNSIDE, Pulaski, KY | Pass | State |
| 2024-12-17 | TENNESSEE GAS PIPELINE COMPANY LLC - COMPRESSOR STATION 527 | PORT SULPHUR, Plaquemines, LA | Pass | State |
| 2024-12-17 | TENNESSEE GAS PIPELINE COMPANY LLC - COMPRESSOR STATION 527 | PORT SULPHUR, Plaquemines, LA | Pass | State |
| 2024-12-17 | MILLERSVILLE LANDFILL GAS TO ELECTRICITY FACILITY | SEVERN, Anne Arundel, MD | Pass | State |
| 2024-12-17 | CRISFIELD ENERGY CENTER | CRISFIELD, Somerset, MD | Pass | State |
| 2024-12-17 | EXETER AGRI-ENERGY, LLC | EXETER, TOWN OF, Penobscot, ME | Pass | State |
| 2024-12-17 | EXETER AGRI-ENERGY, LLC | EXETER, TOWN OF, Penobscot, ME | Pass | State |
| 2024-12-17 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | CHINA, St. Clair, MI | Pass | State |
| 2024-12-17 | EAST JORDAN FOUNDRY, LLC | ELMIRA, Antrim, MI | Pass | State |
| 2024-12-17 | AMERICAN CRYSTAL SUGAR - EAST GRAND FORKS | EAST GRAND FORKS, Polk, MN | Pass | State |
| 2024-12-17 | HIGHWATER ETHANOL LLC | LAMBERTON, Redwood, MN | Pass | State |
| 2024-12-17 | WLSSD WWTP | DULUTH, St. Louis, MN | Pass | State |
| 2024-12-17 | OLD CAROLINA BRICK COMPANY | SALISBURY, Rowan, NC | Pass | State |
| 2024-12-17 | MARTIN MARIETTA MATERIALS, INC. - WILSON QUARRY | WILSON, Wilson, NC | Pass | State |
| 2024-12-17 | STERIGENICS US, INC. | CHARLOTTE, Mecklenburg, NC | Pass | Local |
| 2024-12-17 | COLD RIVER MATERIALS - WALPOLE (S&G) | WALPOLE, Cheshire, NH | Fail | State |
| 2024-12-17 | COLD RIVER MATERIALS - WALPOLE (S&G) | WALPOLE, Cheshire, NH | Pass | State |
| 2024-12-17 | WILLOW LAKE GAS PROCESSING PLANT | MALAGA, Eddy, NM | Pass | State |
| 2024-12-17 | HACKBERRY COMPRESSOR STATION | WHITES CITY, Eddy, NM | Pass | State |
| 2024-12-17 | BLOSSOM COMPRESSOR STATION | CARLSBAD, Eddy, NM | Pass | State |
| 2024-12-17 | DARK STAR COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2024-12-17 | RED EAGLE 18 CTB 1 | LA HUERTA, Eddy, NM | Pass | State |
| 2024-12-17 | RED EAGLE 18 CTB 1 | LA HUERTA, Eddy, NM | Pass | State |
| 2024-12-17 | FRAC CAT COMPRESSOR STATION | LOVING, Lea, NM | Pass | State |
| 2024-12-17 | FRAC CAT COMPRESSOR STATION | LOVING, Lea, NM | Pass | State |
| 2024-12-17 | PAC MAN 36 FED COM BATTERY AND MERCHANT GAP #502H | EUNICE, Lea, NM | Pass | State |
| 2024-12-17 | COLD SNACK COMPRESSOR STATION | WHITES CITY, Lea, NM | Pass | State |
| 2024-12-17 | ASCENT RESOURCES - UTICA LLC - WHEELING VALLEY WHL BL | MAYNARD, Belmont, OH | Pass | State |
| 2024-12-17 | ASCENT RESOURCES - UTICA LLC - WHEELING VALLEY WHL BL | MAYNARD, Belmont, OH | Pass | State |
| 2024-12-17 | ASCENT RESOURCES - UTICA LLC - WHEELING VALLEY WHL BL | MAYNARD, Belmont, OH | Pass | State |
| 2024-12-17 | ASCENT RESOURCES - UTICA LLC - HARR MTP JF | RAYLAND, Jefferson, OH | Pass | State |
| 2024-12-17 | ASCENT RESOURCES - UTICA LLC - HARR MTP JF | RAYLAND, Jefferson, OH | Pass | State |
| 2024-12-17 | ASCENT RESOURCES - UTICA LLC - HARR MTP JF | RAYLAND, Jefferson, OH | Pass | State |
| 2024-12-17 | EASTERN GAS TRANSMISSION & STORAGE, INC MULLETT STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2024-12-17 | EASTERN GAS TRANSMISSION & STORAGE, INC MULLETT STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2024-12-17 | EASTERN GAS TRANSMISSION & STORAGE, INC MULLETT STATION | SWITZERLAND, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2024-12-17 | ET GATHERING PROCESSING LLC / DRY CREEK COMPRESSOR STATION | BURLINGTON, Alfalfa, OK | Pass | State |
| 2024-12-17 | ET GATHERING PROCESSING LLC / DRY CREEK COMPRESSOR STATION | BURLINGTON, Alfalfa, OK | Pass | State |
| 2024-12-17 | XTO ENERGY INC / HOBBS 5 6 7 30H19X 8 9 30H19X PRODUCTI | GENE AUTRY, Carter, OK | Pass | State |
| 2024-12-17 | ONEOK FIELD SERVICES CO LLC / MAST EAST FOSS COMPRESSOR STATION | WEATHERFORD, Custer, OK | Pass | State |
| 2024-12-17 | DCP OPERATING CO LP / HOBIT COMPRESSOR STATION — high-priority violation on file | ARNETT, Ellis, OK | Pass | State |
| 2024-12-17 | VALIDUS ENERGY II MIDCON LLC / AMERICAN PHARAOH PAD | TUTTLE, Grady, OK | Pass | State |
| 2024-12-17 | VM ARKOMA STACK LLC / BONANZA COMPRESSOR STATION | CALVIN, Hughes, OK | Pass | State |
| 2024-12-17 | VM ARKOMA STACK LLC / BONANZA COMPRESSOR STATION | CALVIN, Hughes, OK | Pass | State |
| 2024-12-17 | GEORGIA-PACIFIC WAUNA LLC — high-priority violation on file | CLATSKANIE, Clatsop, OR | Pass | State |
| 2024-12-17 | CRODA INC/DRAKETOWN ROAD | MILL HALL, Clinton, PA | Pass | State |
| 2024-12-17 | PENN COLOR/HATFIELD | HATFIELD, Montgomery, PA | Pass | State |
| 2024-12-17 | APPALACHIA MIDSTREAM SVC LLC/GRANVILLE STA 2 | GRANVILLE SUMMIT, Bradford, PA | Pass | State |
| 2024-12-17 | EQM GATHERING OPCO LLC/MAKO COMP STA | AMWELL, Washington, PA | Pass | State |
| 2024-12-17 | BVK OPERATING LLC/SICKLER COMP STA | TUNKHANNOCK, Wyoming, PA | Pass | State |
| 2024-12-17 | TENNESSEE OPERATIONS OF EASTMAN CHEMICAL COMPANY — high-priority violation on file | KINGSPORT, Sullivan, TN | Pass | State |
| 2024-12-17 | MITSUBISHI CHEMICAL AMERICA (FORMERLY LUCITE INC.) | MEMPHIS, Shelby, TN | Pass | Local |
| 2024-12-17 | ASHLAND SPECIALTY INGREDIENTS GP | HOPEWELL, Hopewell (city), VA | Pass | State |
| 2024-12-17 | NIPPON DYNAWAVE PACKAGING COMPANY LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2024-12-17 | NORTHWEST PIPELINE CORP SUMAS | SUMAS, Whatcom, WA | Pass | Local |
| 2024-12-17 | NORTHWEST PIPELINE CORP SUMAS | SUMAS, Whatcom, WA | Pass | Local |
| 2024-12-17 | WISCONSIN ALUMINUM FOUNDRY — high-priority violation on file | MANITOWOC, Manitowoc, WI | Pass | State |
| 2024-12-17 | MARATHON COUNTY LANDFILL | RINGLE, Marathon, WI | Pass | State |
| 2024-12-17 | MONONGAHELA POWER COMPANY, HARRISON STATION | HAYWOOD, Harrison, WV | Pass | State |
| 2024-12-17 | CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file | EVANSVILLE, Natrona, WY | Pass | State |
| 2024-12-17 | CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file | EVANSVILLE, Natrona, WY | Pass | State |
| 2024-12-17 | CHAIN LAKES I5 35 4H-8H PAD (CROWHEART ENERGY, LLC) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2024-12-17 | CHAIN LAKES I5 35 4H-8H PAD (CROWHEART ENERGY, LLC) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2024-12-17 | CHAIN LAKES I5 35 4H-8H PAD (CROWHEART ENERGY, LLC) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2024-12-16 | DESOTO GATHERING COMPANY, LLC.-STONEFLY CPF 1 | SIDON, Cleburne, AR | Pass | State |
| 2024-12-16 | FLYWHEEL ENERGY COMPANY - PUMA NORTH CPF-1 | WILBURN, Cleburne, AR | Pass | State |
| 2024-12-16 | USMC - AGCC 29 PALMS | TWENTYNINE PALMS, San Bernardino, CA | Pass | Local |
| 2024-12-16 | WALNUT CREEK ENERGY, LLC | CITY OF INDUSTRY, Los Angeles, CA | Pass | Local |
| 2024-12-16 | MOLSON COORS USA LLC - GOLDEN BREWERY — high-priority violation on file | GOLDEN AREA, Jefferson, CO | Pass | State |
| 2024-12-16 | MIAMI-DADE WATER AND SEWER DEPARTMENT | MIAMI, Miami-Dade, FL | Pass | State |
| 2024-12-16 | MIAMI-DADE WATER AND SEWER DEPARTMENT | MIAMI, Miami-Dade, FL | Pass | State |
| 2024-12-16 | MIAMI-DADE WATER AND SEWER DEPARTMENT | MIAMI, Miami-Dade, FL | Pass | State |
| 2024-12-16 | MIAMI-DADE WATER AND SEWER DEPARTMENT | MIAMI, Miami-Dade, FL | Pass | State |
| 2024-12-16 | MIAMI-DADE WATER AND SEWER DEPARTMENT | MIAMI, Miami-Dade, FL | Pass | State |
| 2024-12-16 | MIAMI-DADE WATER AND SEWER DEPARTMENT | MIAMI, Miami-Dade, FL | Pass | State |
| 2024-12-16 | GA POWER CO. - PLANT SCHERER | JULIETTE, Monroe, GA | Pass | State |
| 2024-12-16 | COVERT GENERATING STATION — high-priority violation on file | COVERT, Van Buren, MI | Pass | State |
| 2024-12-16 | SMR AUTOMOTIVE SYSTEMS USA, INC. | MARYSVILLE, St. Clair, MI | Pass | State |
| 2024-12-16 | UPPER MICHIGAN ENERGY RESOURCES -F.D. KUESTER G.S. | NEGAUNEE, Marquette, MI | Pass | State |
| 2024-12-16 | OWENS CORNING - MINNEAPOLIS PLANT | MINNEAPOLIS, Hennepin, MN | Pass | State |
| 2024-12-16 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2024-12-16 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2024-12-16 | SPUD MUFFIN 31 CTB & WELLPAD 1 & HARROUN TRUST 31 2H BATTERY | MALAGA, Eddy, NM | Pass | State |
| 2024-12-16 | TURKEY TRACK CENTRAL GAS LIFT STATION | LOCO HILLS, Eddy, NM | Pass | State |
| 2024-12-16 | ISLAND BOOSTER STATION | LOVING, Eddy, NM | Pass | State |
| 2024-12-16 | CABO WABO COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2024-12-16 | RED EAGLE 18 CTB 1 | LA HUERTA, Eddy, NM | Pass | State |
| 2024-12-16 | RED EAGLE 18 CTB 1 | LA HUERTA, Eddy, NM | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.