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 |
|---|---|---|---|---|
| 2024-10-18 | US NAVY - NORFOLK NAVAL SHIPYARD | PORTSMOUTH, Portsmouth (city), VA | Pass | State |
| 2024-10-18 | KAISER ALUMINUM WASHINGTON, LLC | SPOKANE, Spokane, WA | Pass | Local |
| 2024-10-18 | QUAD/GRAPHICS INC | SUSSEX, Waupaca, WI | Pass | State |
| 2024-10-17 | IRONHORSE COMPLEX | UTAH, Undetermined, UT | Pass | U.S. EPA |
| 2024-10-17 | HILCORP ALASKA, LLC / ENDICOTT PRODUCTION FACILITY (END) | NORTH SLOPE BOROUGH, North Slope, AK | Pass | State |
| 2024-10-17 | HILCORP ALASKA, LLC / ENDICOTT PRODUCTION FACILITY (END) | NORTH SLOPE BOROUGH, North Slope, AK | Pass | State |
| 2024-10-17 | HILCORP ALASKA, LLC / ENDICOTT PRODUCTION FACILITY (END) | NORTH SLOPE BOROUGH, North Slope, AK | Pass | State |
| 2024-10-17 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | BUTLER, Choctaw, AL | Pass | State |
| 2024-10-17 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | BUTLER, Choctaw, AL | Pass | State |
| 2024-10-17 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | BUTLER, Choctaw, AL | Pass | State |
| 2024-10-17 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | BUTLER, Choctaw, AL | Pass | State |
| 2024-10-17 | GP CELLULOSE ALABAMA RIVER CELLULOSE LLC | PERDUE HILL, Monroe, AL | Pass | State |
| 2024-10-17 | HIGHLAND PELLETS, LLC | PINE BLUFF, Jefferson, AR | Pass | State |
| 2024-10-17 | HIGHLAND PELLETS, LLC | PINE BLUFF, Jefferson, AR | Fail | State |
| 2024-10-17 | BIG RIVER STEEL LLC | OSCEOLA, Mississippi, AR | Pass | State |
| 2024-10-17 | DESOTO GATHERING COMPANY, LLC - COVE CREEK CPF-4 | DAMASCUS, Van Buren, AR | Pass | State |
| 2024-10-17 | DESOTO GATHERING COMPANY, LLC - COVE CREEK CPF-4 | DAMASCUS, Van Buren, AR | Pass | State |
| 2024-10-17 | A TEICHERT & SON | SACRAMENTO, Sacramento, CA | Pass | Local |
| 2024-10-17 | EL SEGUNDO ENERGY CENTER LLC | EL SEGUNDO, Los Angeles, CA | Pass | Local |
| 2024-10-17 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-17 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-17 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-17 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-17 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-17 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-17 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-17 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-17 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-17 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-17 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-17 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-17 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-17 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-17 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-17 | FOSTER FOOD PRODUCTS — high-priority violation on file | LIVINGSTON, Merced, CA | Pass | Local |
| 2024-10-17 | FOSTER FOOD PRODUCTS — high-priority violation on file | LIVINGSTON, Merced, CA | Pass | Local |
| 2024-10-17 | FOSTER FOOD PRODUCTS — high-priority violation on file | LIVINGSTON, Merced, CA | Pass | Local |
| 2024-10-17 | COLORADO INTERSTATE GAS- KIT CARSON C.S. | KIT CARSON 6.6 MI. S OF, Cheyenne, CO | Pass | State |
| 2024-10-17 | COLORADO INTERSTATE GAS- KIT CARSON C.S. | KIT CARSON 6.6 MI. S OF, Cheyenne, CO | Pass | State |
| 2024-10-17 | COLORADO INTERSTATE GAS- KIT CARSON C.S. | KIT CARSON 6.6 MI. S OF, Cheyenne, CO | Pass | State |
| 2024-10-17 | PUBLIC SERVICE CO- WILLIAMS FORK C.S. | SILVERTHORNE 12.8 MI. N OF, Grand, CO | Pass | State |
| 2024-10-17 | PUBLIC SERVICE CO- WILLIAMS FORK C.S. | SILVERTHORNE 12.8 MI. N OF, Grand, CO | Pass | State |
| 2024-10-17 | CF & I STEEL L.P. DBA EVRAZ ROCKY MTN ST — high-priority violation on file | PUEBLO AREA, Pueblo, CO | Pass | State |
| 2024-10-17 | WESLEYAN UNIVERSITY - BOILER PLANT | MIDDLETOWN, Middlesex, CT | Pass | State |
| 2024-10-17 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-10-17 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | N/A | State |
| 2024-10-17 | FLORIDA POWER & LIGHT COMPANY (PCC) | COCOA, Brevard, FL | Pass | State |
| 2024-10-17 | VALERO RENEWABLE FUELS CO LLC-HARTLEY — high-priority violation on file | HARTLEY, O'Brien, IA | Pass | State |
| 2024-10-17 | VALERO RENEWABLE FUELS CO LLC-HARTLEY — high-priority violation on file | HARTLEY, O'Brien, IA | Pass | State |
| 2024-10-17 | VALERO RENEWABLE FUELS CO LLC-HARTLEY — high-priority violation on file | HARTLEY, O'Brien, IA | Pass | State |
| 2024-10-17 | PLATINUM CRUSH | ALTA, Buena Vista, IA | Pass | State |
| 2024-10-17 | PLATINUM CRUSH | ALTA, Buena Vista, IA | Pass | State |
| 2024-10-17 | PLATINUM CRUSH | ALTA, Buena Vista, IA | Pass | State |
| 2024-10-17 | PLATINUM CRUSH | ALTA, Buena Vista, IA | Pass | State |
| 2024-10-17 | PLATINUM CRUSH | ALTA, Buena Vista, IA | Pass | State |
| 2024-10-17 | PLATINUM CRUSH | ALTA, Buena Vista, IA | Pass | State |
| 2024-10-17 | PLATINUM CRUSH | ALTA, Buena Vista, IA | Pass | State |
| 2024-10-17 | PLATINUM CRUSH | ALTA, Buena Vista, IA | Pass | State |
| 2024-10-17 | PLATINUM CRUSH | ALTA, Buena Vista, IA | Pass | State |
| 2024-10-17 | PLATINUM CRUSH | ALTA, Buena Vista, IA | Pass | State |
| 2024-10-17 | PLATINUM CRUSH | ALTA, Buena Vista, IA | Pass | State |
| 2024-10-17 | PLATINUM CRUSH | ALTA, Buena Vista, IA | Pass | State |
| 2024-10-17 | PLATINUM CRUSH | ALTA, Buena Vista, IA | Pass | State |
| 2024-10-17 | PLATINUM CRUSH | ALTA, Buena Vista, IA | Pass | State |
| 2024-10-17 | PLATINUM CRUSH | ALTA, Buena Vista, IA | Pass | State |
| 2024-10-17 | J R SIMPLOT COMPANY-DON SIDING POCATELLO — high-priority violation on file | POCATELLO, Power, ID | Pass | State |
| 2024-10-17 | ILLINOIS CEMENT CO | LASALLE, La Salle, IL | Pass | State |
| 2024-10-17 | ILLINOIS CEMENT CO | LASALLE, La Salle, IL | Pass | State |
| 2024-10-17 | ARCHER DANIELS MIDLAND COMPANY — high-priority violation on file | FRANKFORT, Clinton, IN | Pass | State |
| 2024-10-17 | ARCHER DANIELS MIDLAND COMPANY — high-priority violation on file | FRANKFORT, Clinton, IN | Pass | State |
| 2024-10-17 | ARCHER DANIELS MIDLAND COMPANY — high-priority violation on file | FRANKFORT, Clinton, IN | Pass | State |
| 2024-10-17 | ARCHER DANIELS MIDLAND COMPANY — high-priority violation on file | FRANKFORT, Clinton, IN | Fail | State |
| 2024-10-17 | ARCHER DANIELS MIDLAND COMPANY — high-priority violation on file | FRANKFORT, Clinton, IN | Pass | State |
| 2024-10-17 | ARCHER DANIELS MIDLAND COMPANY — high-priority violation on file | FRANKFORT, Clinton, IN | Fail | State |
| 2024-10-17 | ARCHER DANIELS MIDLAND COMPANY — high-priority violation on file | FRANKFORT, Clinton, IN | Pass | State |
| 2024-10-17 | ANR PIPELINE COMPANY LAGRANGE COMPRESSOR STATION — high-priority violation on file | LAGRANGE, LaGrange, IN | Pass | State |
| 2024-10-17 | ANR PIPELINE COMPANY LAGRANGE COMPRESSOR STATION — high-priority violation on file | LAGRANGE, LaGrange, IN | Pass | State |
| 2024-10-17 | ANR PIPELINE COMPANY LAGRANGE COMPRESSOR STATION — high-priority violation on file | LAGRANGE, LaGrange, IN | Pass | State |
| 2024-10-17 | IDS BLAST FINISHING | INDIANAPOLIS, Marion, IN | Pass | State |
| 2024-10-17 | IDS BLAST FINISHING | INDIANAPOLIS, Marion, IN | Pass | State |
| 2024-10-17 | IDS BLAST FINISHING | INDIANAPOLIS, Marion, IN | Pass | State |
| 2024-10-17 | IDS BLAST FINISHING | INDIANAPOLIS, Marion, IN | Pass | State |
| 2024-10-17 | MARTIN MARIETTA MATERIALS - N WOODBINE QUARRY 114 (UNION RD)(AIR) | CHAPMAN, Dickinson, KS | Pass | State |
| 2024-10-17 | MSM - ONAGA QUARRY (AIR) | WESTMORELAND, Pottawatomie, KS | Pass | State |
| 2024-10-17 | SUMMERS 8&29-17-14 HC #1 #2-ALT #3-ALT & #4-ALT TANK BATTERY - SHREVEPORT FIELD | GREENWOOD, Caddo, LA | Pass | State |
| 2024-10-17 | SUMMERS 8&29-17-14 HC #1 #2-ALT #3-ALT & #4-ALT TANK BATTERY - SHREVEPORT FIELD | GREENWOOD, Caddo, LA | Pass | State |
| 2024-10-17 | SUMMERS 8&29-17-14 HC #1 #2-ALT #3-ALT & #4-ALT TANK BATTERY - SHREVEPORT FIELD | GREENWOOD, Caddo, LA | Pass | State |
| 2024-10-17 | SUMMERS 8&29-17-14 HC #1 #2-ALT #3-ALT & #4-ALT TANK BATTERY - SHREVEPORT FIELD | GREENWOOD, Caddo, LA | Pass | State |
| 2024-10-17 | SHELL CHEMICAL LP - NORCO CHEMICAL PLANT - EAST SITE | NORCO, St. Charles, LA | Pass | State |
| 2024-10-17 | LEPAGE BAKERIES CEDAR STREET, LLC | LEWISTON, Androscoggin, ME | Fail | State |
| 2024-10-17 | WASHINGTON 10 STORAGE CORPORATION | WASHINGTON, Macomb, MI | Pass | State |
| 2024-10-17 | FLINT HILLS RESOURCES PINE BEND REFINERY | ROSEMOUNT, Dakota, MN | Pass | State |
| 2024-10-17 | WASTE MANAGEMENT - MAPLE GROVE TRANSFER STATION | MAPLE GROVE, Hennepin, MN | Pass | State |
| 2024-10-17 | MISSISSIPPI POWER COMPANY, CHEVRON COGENERATING PLANT | PASCAGOULA, Jackson, MS | Pass | State |
| 2024-10-17 | MISSISSIPPI POWER COMPANY, CHEVRON COGENERATING PLANT | PASCAGOULA, Jackson, MS | Pass | State |
| 2024-10-17 | IKE WILLIAMSON SAND PIT, ACB | SHALLOTTE, Brunswick, NC | Pass | State |
| 2024-10-17 | THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL | CHAPEL HILL, Orange, NC | Pass | State |
| 2024-10-17 | MAGNUM COMPRESSOR STATION — high-priority violation on file | CARLSBAD, Eddy, NM | Pass | State |
| 2024-10-17 | RANA SALADA J1 FACILITY | LOVING, Eddy, NM | Pass | State |
| 2024-10-17 | EOG - BODACIOUS LOCALIZED GAS LIFT STATION | JAL, Lea, NM | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.