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 |
|---|---|---|---|---|
| 2024-11-21 | PRATT & WHITNEY, DIVISION OF RTX CORPORATION | MIDDLETOWN, Middlesex, CT | Pass | State |
| 2024-11-21 | GALLAUDET UNIVERSITY — high-priority violation on file | WASHINGTON, District of Columbia, DC | Pending | State |
| 2024-11-21 | GALLAUDET UNIVERSITY — high-priority violation on file | WASHINGTON, District of Columbia, DC | Pass | State |
| 2024-11-21 | MOSAIC FERTILIZER, LLC | RIVERVIEW, Hillsborough, FL | Pass | State |
| 2024-11-21 | MOSAIC FERTILIZER, LLC | RIVERVIEW, Hillsborough, FL | Pass | State |
| 2024-11-21 | MOSAIC FERTILIZER, LLC | RIVERVIEW, Hillsborough, FL | Pass | State |
| 2024-11-21 | TROJAN BATTERY COMPANY, LLC | LITHONIA, DeKalb, GA | Pass | State |
| 2024-11-21 | TROJAN BATTERY COMPANY, LLC | LITHONIA, DeKalb, GA | Pass | State |
| 2024-11-21 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2024-11-21 | JAS. W. GLOVER (0257) | PUHI, Kauai, HI | Pass | State |
| 2024-11-21 | ILC RESOURCES/IOWA LIMESTONE CO-PLTS 1&3 | ALDEN, Hardin, IA | Pass | State |
| 2024-11-21 | PLYMOUTH ENERGY LLC | MERRILL, Plymouth, IA | Pass | State |
| 2024-11-21 | LIPPERT COMPONENTS INCORPORATED PLANT 72 — high-priority violation on file | ELKHART, Elkhart, IN | Pass | State |
| 2024-11-21 | LIPPERT COMPONENTS INCORPORATED PLANT 72 — high-priority violation on file | ELKHART, Elkhart, IN | Pass | State |
| 2024-11-21 | LIPPERT COMPONENTS INCORPORATED PLANT 72 — high-priority violation on file | ELKHART, Elkhart, IN | Pass | State |
| 2024-11-21 | LIPPERT COMPONENTS INCORPORATED PLANT 72 — high-priority violation on file | ELKHART, Elkhart, IN | Pass | State |
| 2024-11-21 | RESPONSIBLE ENERGY OPERATIONS, LLC — high-priority violation on file | PETERSBURG, Pike, IN | Pass | State |
| 2024-11-21 | RESPONSIBLE ENERGY OPERATIONS, LLC — high-priority violation on file | PETERSBURG, Pike, IN | Pass | State |
| 2024-11-21 | RESPONSIBLE ENERGY OPERATIONS, LLC — high-priority violation on file | PETERSBURG, Pike, IN | Pass | State |
| 2024-11-21 | RESPONSIBLE ENERGY OPERATIONS, LLC — high-priority violation on file | PETERSBURG, Pike, IN | Pass | State |
| 2024-11-21 | RESPONSIBLE ENERGY OPERATIONS, LLC — high-priority violation on file | PETERSBURG, Pike, IN | Pass | State |
| 2024-11-21 | RESPONSIBLE ENERGY OPERATIONS, LLC — high-priority violation on file | PETERSBURG, Pike, IN | Pass | State |
| 2024-11-21 | RESPONSIBLE ENERGY OPERATIONS, LLC — high-priority violation on file | PETERSBURG, Pike, IN | Pass | State |
| 2024-11-21 | RESPONSIBLE ENERGY OPERATIONS, LLC — high-priority violation on file | PETERSBURG, Pike, IN | Pass | State |
| 2024-11-21 | RESPONSIBLE ENERGY OPERATIONS, LLC — high-priority violation on file | PETERSBURG, Pike, IN | Pass | State |
| 2024-11-21 | RESPONSIBLE ENERGY OPERATIONS, LLC — high-priority violation on file | PETERSBURG, Pike, IN | Pass | State |
| 2024-11-21 | RESPONSIBLE ENERGY OPERATIONS, LLC — high-priority violation on file | PETERSBURG, Pike, IN | Pass | State |
| 2024-11-21 | RESPONSIBLE ENERGY OPERATIONS, LLC — high-priority violation on file | PETERSBURG, Pike, IN | Pass | State |
| 2024-11-21 | RESPONSIBLE ENERGY OPERATIONS, LLC — high-priority violation on file | PETERSBURG, Pike, IN | Pass | State |
| 2024-11-21 | RESPONSIBLE ENERGY OPERATIONS, LLC — high-priority violation on file | PETERSBURG, Pike, IN | Pass | State |
| 2024-11-21 | RESPONSIBLE ENERGY OPERATIONS, LLC — high-priority violation on file | PETERSBURG, Pike, IN | Pass | State |
| 2024-11-21 | VALERO RENEWABLE FUELS CO LLC DBA VALERO MT VERNON PLANT — high-priority violation on file | MOUNT VERNON, Posey, IN | Pass | State |
| 2024-11-21 | VALERO RENEWABLE FUELS CO LLC DBA VALERO MT VERNON PLANT — high-priority violation on file | MOUNT VERNON, Posey, IN | Pass | State |
| 2024-11-21 | VALERO RENEWABLE FUELS CO LLC DBA VALERO MT VERNON PLANT — high-priority violation on file | MOUNT VERNON, Posey, IN | Pass | State |
| 2024-11-21 | VALERO RENEWABLE FUELS CO LLC DBA VALERO MT VERNON PLANT — high-priority violation on file | MOUNT VERNON, Posey, IN | Pass | State |
| 2024-11-21 | VALERO RENEWABLE FUELS CO LLC DBA VALERO MT VERNON PLANT — high-priority violation on file | MOUNT VERNON, Posey, IN | Pass | State |
| 2024-11-21 | VALERO RENEWABLE FUELS CO LLC DBA VALERO MT VERNON PLANT — high-priority violation on file | MOUNT VERNON, Posey, IN | Pass | State |
| 2024-11-21 | VALERO RENEWABLE FUELS CO LLC DBA VALERO MT VERNON PLANT — high-priority violation on file | MOUNT VERNON, Posey, IN | Pass | State |
| 2024-11-21 | VALERO RENEWABLE FUELS CO LLC DBA VALERO MT VERNON PLANT — high-priority violation on file | MOUNT VERNON, Posey, IN | Pass | State |
| 2024-11-21 | VALERO RENEWABLE FUELS CO LLC DBA VALERO MT VERNON PLANT — high-priority violation on file | MOUNT VERNON, Posey, IN | Pass | State |
| 2024-11-21 | VALERO RENEWABLE FUELS CO LLC DBA VALERO MT VERNON PLANT — high-priority violation on file | MOUNT VERNON, Posey, IN | Pass | State |
| 2024-11-21 | EVONIK CORPORATION TIPPECANOE LABORATORIES — high-priority violation on file | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2024-11-21 | EVONIK CORPORATION TIPPECANOE LABORATORIES — high-priority violation on file | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2024-11-21 | EVONIK CORPORATION TIPPECANOE LABORATORIES — high-priority violation on file | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2024-11-21 | EVONIK CORPORATION TIPPECANOE LABORATORIES — high-priority violation on file | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2024-11-21 | EVONIK CORPORATION TIPPECANOE LABORATORIES — high-priority violation on file | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2024-11-21 | EVONIK CORPORATION TIPPECANOE LABORATORIES — high-priority violation on file | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2024-11-21 | NANSHAN AMERICA ADVANCED ALUMINUM TECHNOLOGIES LLC | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2024-11-21 | NANSHAN AMERICA ADVANCED ALUMINUM TECHNOLOGIES LLC | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2024-11-21 | NANSHAN AMERICA ADVANCED ALUMINUM TECHNOLOGIES LLC | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2024-11-21 | THE CHEMOURS COMPANY FC, LLC | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2024-11-21 | ENLINK PROCESSING SERVICES LLC - RIVERSIDE FRACTIONATION PLANT | GEISMAR, Ascension, LA | Pass | State |
| 2024-11-21 | ENLINK PROCESSING SERVICES LLC - RIVERSIDE FRACTIONATION PLANT | GEISMAR, Ascension, LA | Pass | State |
| 2024-11-21 | ADAMAS ENERGY LLC - MICIOTTO FACILITY | TAYLORTOWN, Bossier, LA | Pass | State |
| 2024-11-21 | NORTHSHORE MINING CO - SILVER BAY | SILVER BAY, Lake, MN | Pass | State |
| 2024-11-21 | METROPOLITAN ST. LOUIS SEWER DISTRICT BISSELL POINT WWTP | SAINT LOUIS, St. Louis (city), MO | Pass | State |
| 2024-11-21 | VALERO RENEWABLE FUELS COMPANY — high-priority violation on file | ALBION, Boone, NE | Pass | State |
| 2024-11-21 | CASA BONITA COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2024-11-21 | CASA BONITA COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2024-11-21 | EOG - ODIN COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-11-21 | EOG - ODIN COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-11-21 | EOG - ODIN COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-11-21 | EL CAMPEON CTB 17N | JAL, Lea, NM | Pass | State |
| 2024-11-21 | EL CAMPEON CTB 17N | JAL, Lea, NM | Pass | State |
| 2024-11-21 | PABCO GYPSUM | LAS VEGAS, Clark, NV | Pass | Local |
| 2024-11-21 | PABCO GYPSUM | LAS VEGAS, Clark, NV | Pass | Local |
| 2024-11-21 | OWENS-BROCKWAY GLASS CONTAINER INC | AUBURN, Cayuga, NY | Pass | State |
| 2024-11-21 | ASCENT RESOURCES - UTICA LLC - ROCK RIDGE WRN BL | BARNESVILLE, Belmont, OH | Pass | State |
| 2024-11-21 | ASCENT RESOURCES - UTICA LLC - ROCK RIDGE WRN BL | BARNESVILLE, Belmont, OH | Pass | State |
| 2024-11-21 | ASCENT RESOURCES-UTICA, LLC - WAGLER LND GR | LONDONDERRY, TOWNSHIP OF, Guernsey, OH | Pass | State |
| 2024-11-21 | ASCENT RESOURCES-UTICA, LLC - WAGLER LND GR | LONDONDERRY, TOWNSHIP OF, Guernsey, OH | Pass | State |
| 2024-11-21 | ASCENT RESOURCES-UTICA, LLC - WAGLER LND GR | LONDONDERRY, TOWNSHIP OF, Guernsey, OH | Pass | State |
| 2024-11-21 | ASCENT RESOURCES-UTICA, LLC - ALPHA ATH HR | CADIZ, Harrison, OH | Pass | State |
| 2024-11-21 | ASCENT RESOURCES-UTICA, LLC - ALPHA ATH HR | CADIZ, Harrison, OH | Pass | State |
| 2024-11-21 | ASCENT RESOURCES-UTICA, LLC - ALPHA ATH HR | CADIZ, Harrison, OH | Pass | State |
| 2024-11-21 | TEXAS EASTERN TRANSMISSIONS L.P. - SOMERSET | SOMERSET, Perry, OH | Pass | State |
| 2024-11-21 | BLUE MOUNTAIN MIDSTREAM LLC / PREAKNESS COMPRESSOR STATION | UNION CITY, Canadian, OK | Pass | State |
| 2024-11-21 | BCE MACH LLC / ELMENHORST 1H 06 07 IH 31 30 PAD | UNION CITY, Canadian, OK | Pass | State |
| 2024-11-21 | PEOPLES ELECTRIC COOP / LITTLE DIXIE FACILITY | CENTRAHOMA, Coal, OK | Pass | State |
| 2024-11-21 | ET GATHERING PROCESSING LLC / NINNEKAH COMPRESSOR STATION | NINNEKAH, Grady, OK | Pass | State |
| 2024-11-21 | SANTA FE OPERATING LLC / MCKAY COMPRESSOR STATION | MCALESTER, Pittsburg, OK | Pass | State |
| 2024-11-21 | ET GATHERING PROCESSING LLC / POTEET COMPRESSOR STATION | BRAY, Stephens, OK | Pass | State |
| 2024-11-21 | COLUMBIA GAS TRANS CORP/WAYNESBURG COMP STA | WAYNESBURG, Greene, PA | Pass | State |
| 2024-11-21 | CENTURY ALUMINUM OF SOUTH CAROLINA INC — high-priority violation on file | GOOSE CREEK, Berkeley, SC | Fail | State |
| 2024-11-21 | CHINA JUSHI USA CORPORATION — high-priority violation on file | COLUMBIA, Richland, SC | Pass | State |
| 2024-11-21 | POET BIOREFINING - MITCHELL LLC | MITCHELL, Davison, SD | Pass | State |
| 2024-11-21 | TENNESSEE OPERATIONS OF EASTMAN CHEMICAL COMPANY — high-priority violation on file | KINGSPORT, Sullivan, TN | Pass | State |
| 2024-11-21 | KOPPERS PERFORMANCE CHEMICAL | MILLINGTON, Shelby, TN | Pass | Local |
| 2024-11-21 | PORT NECHES OPERATIONS — high-priority violation on file | PORT NECHES, Jefferson, TX | Pass | State |
| 2024-11-21 | PORT NECHES OPERATIONS — high-priority violation on file | PORT NECHES, Jefferson, TX | Pass | State |
| 2024-11-21 | LATERAL C COMPRESSOR STATION | PARADISE, Wise, TX | Pass | State |
| 2024-11-21 | TESORO WEST COAST/FORMER BP AMOCO | SALT LAKE CITY, Salt Lake, UT | Pass | State |
| 2024-11-21 | KENNECOTT MAIN STACK, SMELTER AND | BINGHAM CANYON, Salt Lake, UT | Pass | State |
| 2024-11-21 | AMERICAN ELECTRIC POWER-CLINCH RIVER PLANT | CLEVELAND, Russell, VA | Pass | State |
| 2024-11-21 | US ENERGY DEPT - HANFORD — high-priority violation on file | RICHLAND, Benton, WA | Pending | State |
| 2024-11-21 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2024-11-21 | ANTERO MIDSTREAM LLC, GRAYS PEAK CS | READER, Wetzel, WV | Pass | State |
| 2024-11-21 | PINEDALE COMPLEX (HARVEST MIDSTREAM COMPANY) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2024-11-21 | PINEDALE COMPLEX (HARVEST MIDSTREAM COMPANY) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2024-11-21 | PINEDALE COMPLEX (HARVEST MIDSTREAM COMPANY) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.