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 |
|---|---|---|---|---|
| 2024-09-12 | CARMEUSE LIME INCORPORATED — high-priority violation on file | GARY, Lake, IN | Pass | State |
| 2024-09-12 | CARMEUSE LIME INCORPORATED — high-priority violation on file | GARY, Lake, IN | Fail | State |
| 2024-09-12 | CARMEUSE LIME INCORPORATED — high-priority violation on file | GARY, Lake, IN | Pass | State |
| 2024-09-12 | CARMEUSE LIME INCORPORATED — high-priority violation on file | GARY, Lake, IN | Pass | State |
| 2024-09-12 | CARMEUSE LIME INCORPORATED — high-priority violation on file | GARY, Lake, IN | Pass | State |
| 2024-09-12 | CARMEUSE LIME INCORPORATED — high-priority violation on file | GARY, Lake, IN | Pass | State |
| 2024-09-12 | CARMEUSE LIME INCORPORATED — high-priority violation on file | GARY, Lake, IN | Pass | State |
| 2024-09-12 | CARMEUSE LIME INCORPORATED — high-priority violation on file | GARY, Lake, IN | Pass | State |
| 2024-09-12 | CARMEUSE LIME INCORPORATED — high-priority violation on file | GARY, Lake, IN | Pass | State |
| 2024-09-12 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2024-09-12 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2024-09-12 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2024-09-12 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2024-09-12 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2024-09-12 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2024-09-12 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2024-09-12 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2024-09-12 | CARDINAL ETHANOL LLC — high-priority violation on file | UNION CITY, Randolph, IN | Pass | State |
| 2024-09-12 | CARDINAL ETHANOL LLC — high-priority violation on file | UNION CITY, Randolph, IN | Pass | State |
| 2024-09-12 | CARDINAL ETHANOL LLC — high-priority violation on file | UNION CITY, Randolph, IN | Pass | State |
| 2024-09-12 | CARDINAL ETHANOL LLC — high-priority violation on file | UNION CITY, Randolph, IN | Pass | State |
| 2024-09-12 | CARDINAL ETHANOL LLC — high-priority violation on file | UNION CITY, Randolph, IN | Pass | State |
| 2024-09-12 | CARDINAL ETHANOL LLC — high-priority violation on file | UNION CITY, Randolph, IN | Pass | State |
| 2024-09-12 | CARDINAL ETHANOL LLC — high-priority violation on file | UNION CITY, Randolph, IN | Pass | State |
| 2024-09-12 | CARDINAL ETHANOL LLC — high-priority violation on file | UNION CITY, Randolph, IN | Pass | State |
| 2024-09-12 | ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file | NEWBURGH, Warrick, IN | Pass | State |
| 2024-09-12 | WARRICK NEWCO LLC — high-priority violation on file | NEWBURGH, Warrick, IN | Pass | State |
| 2024-09-12 | HARSHMAN CONST. - HOWARD QUARRY (AIR) | HOWARD, Elk, KS | Pass | State |
| 2024-09-12 | KY UTILITIES CO - GHENT STATION | GHENT, Carroll, KY | Pass | State |
| 2024-09-12 | LOGAN ALUMINUM INC | RUSSELLVILLE, Logan, KY | Pass | State |
| 2024-09-12 | METTIKI COAL, LLC | OAKLAND, Garrett, MD | Pass | State |
| 2024-09-12 | GRAND RAPIDS WASTEWATER TREATMENT PLANT | GRAND RAPIDS, Kent, MI | Fail | State |
| 2024-09-12 | WASTE MANAGEMENT - MAPLE GROVE TRANSFER STATION | MAPLE GROVE, Hennepin, MN | Pass | State |
| 2024-09-12 | ARCHER DANIELS MIDLAND COMPANY (ADM) - ENDERLIN FACILITY - AQ | ENDERLIN, Ransom, ND | Pass | State |
| 2024-09-12 | CARGILL INC — high-priority violation on file | BLAIR, Washington, NE | N/A | State |
| 2024-09-12 | WOLVERINE COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2024-09-12 | WOLVERINE COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2024-09-12 | DR. SCRIVNER FACILITY | MALAGA, Eddy, NM | Pass | State |
| 2024-09-12 | ALYSON TB | LA HUERTA, Eddy, NM | Pass | State |
| 2024-09-12 | AVALON COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2024-09-12 | AVALON COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2024-09-12 | BULL RUN COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-09-12 | BULL RUN COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-09-12 | BULL RUN COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-09-12 | BALD EAGLE LGL STATION | JAL, Lea, NM | Pass | State |
| 2024-09-12 | EL CAMPEON CTB 17S | JAL, Lea, NM | Pass | State |
| 2024-09-12 | CROWN CORK AND SEAL MESQUITE — high-priority violation on file | MESQUITE, Clark, NV | Pass | Local |
| 2024-09-12 | TGP COMPRESSOR STATION 245 | WINFIELD, Herkimer, NY | Pass | State |
| 2024-09-12 | WALLEYE POWER, LLC, BAY SHORE PLANT | OREGON, Lucas, OH | Pass | State |
| 2024-09-12 | ASCENT RESOURCES - UTICA LLC - RECTOR MTP JF WELLPAD | ADENA, Jefferson, OH | Pass | State |
| 2024-09-12 | ASCENT RESOURCES - UTICA LLC - RECTOR MTP JF WELLPAD | ADENA, Jefferson, OH | Pass | State |
| 2024-09-12 | ASCENT RESOURCES - UTICA LLC - RECTOR MTP JF WELLPAD | ADENA, Jefferson, OH | Pass | State |
| 2024-09-12 | ET GATHERING PROCESSING LLC / COURBET COMPRESSOR STATION | RATLIFF CITY, Carter, OK | Pass | State |
| 2024-09-12 | ET GATHERING PROCESSING LLC / BISHOP COMPRESSOR STATION | ARNETT, Ellis, OK | Pass | State |
| 2024-09-12 | CHISHOLM OIL AND GAS OPERATING LLC / BEST 20 1H | DOVER, Kingfisher, OK | Pass | State |
| 2024-09-12 | CHISHOLM OIL AND GAS OPERATING LLC / EDDIE SUGGS 19 09 28 1MH FACILITY | OKEENE, Kingfisher, OK | Pass | State |
| 2024-09-12 | ET GATHERING PROCESSING LLC / BLACK BEAR COMPRESSOR STATION | VELMA, Stephens, OK | Pass | State |
| 2024-09-12 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / WAYNOKA NATURAL GAS PROCESSING PLANT | ALVA, Woods, OK | Pass | State |
| 2024-09-12 | INTERNATIONAL PAPER | SPRINGFIELD, Lane, OR | Pass | Local |
| 2024-09-12 | GOLDEN EAGLE CONST CO/COOLSPRING ASPHALT PLT | UNIONTOWN, Fayette, PA | Pass | State |
| 2024-09-12 | HEIDELBERG MATERIALS US CEMENT LLC/EVANSVILLE CEMENT PLT & Q — high-priority violation on file | FLEETWOOD, Berks, PA | Pass | State |
| 2024-09-12 | EXPAND OPERATING LLC/JOHN MCMURRAY WELLPAD | WEST ALEXANDER, Washington, PA | Pass | State |
| 2024-09-12 | USS/CLAIRTON WORKS — high-priority violation on file | CLAIRTON, Allegheny, PA | Pass | Local |
| 2024-09-12 | MANCHESTER STREET, LLC | PROVIDENCE, Providence, RI | Pass | State |
| 2024-09-12 | CABINETWORKS GROUP MICHIGAN, LLC - MOUNT JACKSON | MOUNT JACKSON, Shenandoah, VA | Pass | State |
| 2024-09-12 | BP WEST COAST PRODUCTS LLC — high-priority violation on file | BLAINE, Whatcom, WA | Pass | Local |
| 2024-09-12 | ASH GROVE CEMENT COMPANY | SEATTLE, King, WA | Pass | Local |
| 2024-09-12 | KAISER ALUMINUM WASHINGTON, LLC | SPOKANE, Spokane, WA | Pass | Local |
| 2024-09-12 | U.S. ENERGY GREEN BAY FOX RIVER TERMINAL | GREEN BAY, Brown, WI | Pass | State |
| 2024-09-12 | INTERFLEX GROUP | MERRILL, Lincoln, WI | N/A | State |
| 2024-09-12 | AMCOR WISCONSIN LLC - APPLETON | APPLETON, Ozaukee, WI | Pass | State |
| 2024-09-12 | MONONGAHELA POWER COMPANY, HARRISON STATION | HAYWOOD, Harrison, WV | Pass | State |
| 2024-09-12 | EUREKA MIDSTREAM, LLC, CARBIDE SITE | HASTINGS, Wetzel, WV | Pass | State |
| 2024-09-11 | WESTROCK MILL COMPANY LLC | DEMOPOLIS, Marengo, AL | Pass | State |
| 2024-09-11 | TENNESSEE GAS PIPELINE COMPANY, LLC | HAMILTON, Marion, AL | Pass | State |
| 2024-09-11 | TENNESSEE GAS PIPELINE COMPANY, LLC | HAMILTON, Marion, AL | Pass | State |
| 2024-09-11 | TENNESSEE GAS PIPELINE COMPANY, LLC | HAMILTON, Marion, AL | Pass | State |
| 2024-09-11 | TENNESSEE GAS PIPELINE COMPANY, LLC | HAMILTON, Marion, AL | Pass | State |
| 2024-09-11 | DESOTO GATHERING COMPANY, LLC - SOUTHEAST RAINBOW CPF-2 | BEE BRANCH, Conway, AR | Pass | State |
| 2024-09-11 | MERIT ENERGY COMPANY, LLC - GREENBAY CP | DELAWARE, Logan, AR | Pass | State |
| 2024-09-11 | MERIT ENERGY COMPANY, LLC - GREENBAY CP | DELAWARE, Logan, AR | Pass | State |
| 2024-09-11 | PLUM POINT SERVICES COMPANY, LLC - PLUM POINT ENERGY STATION | OSCEOLA, Mississippi, AR | Pass | State |
| 2024-09-11 | GERDAU MACSTEEL | FORT SMITH, Sebastian, AR | Pass | State |
| 2024-09-11 | DESOTO GATHERING COMPANY LLC. - SOUTHWEST GREER LAKE CPF-3 | BEE BRANCH, Van Buren, AR | Pass | State |
| 2024-09-11 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2024-09-11 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2024-09-11 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2024-09-11 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2024-09-11 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2024-09-11 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2024-09-11 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2024-09-11 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2024-09-11 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2024-09-11 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2024-09-11 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2024-09-11 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2024-09-11 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2024-09-11 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2024-09-11 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2024-09-11 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.