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 |
|---|---|---|---|---|
| 2024-08-30 | CMC STEEL FABRICATORS | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2024-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2024-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2024-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2024-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2024-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2024-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2024-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2024-08-30 | EMORY UNIVERSITY | ATLANTA, DeKalb, GA | Pass | State |
| 2024-08-30 | BUCKEYE SE TERMINALS LP - ALBANY II | ALBANY, Dougherty, GA | Pass | State |
| 2024-08-30 | GEORGIA-PACIFIC CEDAR SPRINGS LLC | CEDAR SPRINGS, Early, GA | Pass | State |
| 2024-08-30 | GEORGIA-PACIFIC CEDAR SPRINGS LLC | CEDAR SPRINGS, Early, GA | Pass | State |
| 2024-08-30 | GEORGIA-PACIFIC CEDAR SPRINGS LLC | CEDAR SPRINGS, Early, GA | Pass | State |
| 2024-08-30 | GEORGIA-PACIFIC CEDAR SPRINGS LLC | CEDAR SPRINGS, Early, GA | Pass | State |
| 2024-08-30 | GEORGIA-PACIFIC CEDAR SPRINGS LLC | CEDAR SPRINGS, Early, GA | Pass | State |
| 2024-08-30 | MCINTOSH COMBUSTION TURBINE - ELECTRIC GENERATING PLANT | RINCON, Effingham, GA | Pass | State |
| 2024-08-30 | MCINTOSH COMBUSTION TURBINE - ELECTRIC GENERATING PLANT | RINCON, Effingham, GA | Pass | State |
| 2024-08-30 | HPOWER | KAPOLEI, Honolulu, HI | Pass | State |
| 2024-08-30 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2024-08-30 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2024-08-30 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2024-08-30 | ENDICOTT CLAY PRODUCTS CO — high-priority violation on file | ENDICOTT, Jefferson, NE | Pass | State |
| 2024-08-30 | TITAN TREATER PLANT NO1 | JAL, Lea, NM | Pass | State |
| 2024-08-30 | TITAN TREATER PLANT NO1 | JAL, Lea, NM | Pass | State |
| 2024-08-30 | TITAN TREATER PLANT NO1 | JAL, Lea, NM | Pass | State |
| 2024-08-30 | TITAN TREATER PLANT NO1 | JAL, Lea, NM | Pass | State |
| 2024-08-30 | MARGARITA CTB | MONUMENT, Lea, NM | Pass | State |
| 2024-08-30 | A&B ASPHALT | SPRINGFIELD, Clark, OH | Pass | State |
| 2024-08-30 | CARGILL, INC. - DAYTON | DAYTON, Montgomery, OH | Pass | State |
| 2024-08-30 | CARGILL, INC. - DAYTON | DAYTON, Montgomery, OH | Pass | State |
| 2024-08-30 | CARGILL, INC. - DAYTON | DAYTON, Montgomery, OH | Pass | State |
| 2024-08-30 | CARGILL, INC. - DAYTON | DAYTON, Montgomery, OH | Pass | State |
| 2024-08-30 | CARGILL, INC. - DAYTON | DAYTON, Montgomery, OH | Pass | State |
| 2024-08-30 | CARGILL, INC. - DAYTON | DAYTON, Montgomery, OH | Pass | State |
| 2024-08-30 | FW MIDCON I LLC / ALTA BIA 1511 2 3 4 5 | WATONGA, Blaine, OK | Pass | State |
| 2024-08-30 | CONTINENTAL RESOURCES / GOOD MARTIN 3 10 3XH GOOD MARTIN 4 10 | ALEX, Grady, OK | Pass | State |
| 2024-08-30 | CONTINENTAL RESOURCES / TRIPLE RIMER 7 35 26XHW | DIBBLE, Grady, OK | Pass | State |
| 2024-08-30 | MARKWEST OKLAHOMA GAS CO LLC / MOSS COMPRESSOR STATION | HOLDENVILLE, Hughes, OK | Pass | State |
| 2024-08-30 | MARKWEST OKLAHOMA GAS CO LLC / MOSS COMPRESSOR STATION | HOLDENVILLE, Hughes, OK | Pass | State |
| 2024-08-30 | SCHUYLKILL ENERGY RES/ST NICHOLAS COGEN — high-priority violation on file | SHENANDOAH, Schuylkill, PA | Pass | State |
| 2024-08-30 | MINARD RUN OIL CO/GUITON RUN COMP STA | MARIENVILLE, Forest, PA | Pass | State |
| 2024-08-30 | PEARSALL POWER PLANT | PEARSALL, Frio, TX | N/A | State |
| 2024-08-30 | KENEDY GAS PLANT | KENEDY, Karnes, TX | Pass | State |
| 2024-08-30 | KENEDY GAS PLANT | KENEDY, Karnes, TX | Pass | State |
| 2024-08-30 | KENEDY GAS PLANT | KENEDY, Karnes, TX | Pass | State |
| 2024-08-30 | KENEDY GAS PLANT | KENEDY, Karnes, TX | Pass | State |
| 2024-08-30 | HAILEY MCALLISTER PRODUCTION FACILITY | KENEDY, Karnes, TX | Pass | State |
| 2024-08-30 | SOUTH KARNES CENTRAL FACILITY | KENEDY, Karnes, TX | Pass | State |
| 2024-08-30 | SOUTH KARNES CENTRAL FACILITY | KENEDY, Karnes, TX | Pass | State |
| 2024-08-30 | SOUTH KARNES CENTRAL FACILITY | KENEDY, Karnes, TX | Pass | State |
| 2024-08-30 | SOUTH KARNES CENTRAL FACILITY | KENEDY, Karnes, TX | Pass | State |
| 2024-08-30 | SOUTH KARNES CENTRAL FACILITY | KENEDY, Karnes, TX | Pass | State |
| 2024-08-30 | KING CO SOLID WASTE OP SEC CEDAR HILLS | MAPLE VALLEY, King, WA | Pass | Local |
| 2024-08-30 | LA CROSSE COUNTY SOLID WASTE MANAGEMENT FACILITY | LA CROSSE, La Crosse, WI | Pass | State |
| 2024-08-30 | PLEASANTS ENERGY, LLC, WAVERLY | WILLOW ISLAND, Pleasants, WV | Pass | State |
| 2024-08-29 | SAVANT ALASKA LLC / BADAMI DEVELOPMENT FACILITY — high-priority violation on file | NORTH SLOPE BOROUGH, North Slope, AK | Pass | State |
| 2024-08-29 | NOURYON FUNCTIONAL CHEMICALS LLC | AXIS, Mobile, AL | Pass | State |
| 2024-08-29 | WESTROCK COATED BOARD LLC-MAHRT MILL | PHENIX CITY, Russell, AL | Pass | State |
| 2024-08-29 | WESTROCK COATED BOARD LLC-MAHRT MILL | PHENIX CITY, Russell, AL | Pass | State |
| 2024-08-29 | TATE & LYLE SUCRALOSE LLC | MCINTOSH, Washington, AL | Pass | State |
| 2024-08-29 | VALENCIA POWER PLANT | NOGALES, Santa Cruz, AZ | Pass | State |
| 2024-08-29 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2024-08-29 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2024-08-29 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2024-08-29 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2024-08-29 | CALIFORNIA DAIRIES, INC | TIPTON, Tulare, CA | Pass | Local |
| 2024-08-29 | CALIFORNIA DAIRIES, INC | TIPTON, Tulare, CA | Pass | Local |
| 2024-08-29 | CALIFORNIA DAIRIES, INC | TIPTON, Tulare, CA | Pass | Local |
| 2024-08-29 | CALIFORNIA DAIRIES, INC | TIPTON, Tulare, CA | Pass | Local |
| 2024-08-29 | CALIFORNIA DAIRIES, INC | TIPTON, Tulare, CA | Pass | Local |
| 2024-08-29 | CALIFORNIA DAIRIES, INC | TIPTON, Tulare, CA | Pass | Local |
| 2024-08-29 | CALIFORNIA DAIRIES, INC | TIPTON, Tulare, CA | Pass | Local |
| 2024-08-29 | CALIFORNIA DAIRIES, INC | TIPTON, Tulare, CA | Pass | Local |
| 2024-08-29 | CALIFORNIA DAIRIES, INC | TIPTON, Tulare, CA | Pass | Local |
| 2024-08-29 | CALIFORNIA DAIRIES, INC | TIPTON, Tulare, CA | Pass | Local |
| 2024-08-29 | CALIFORNIA DAIRIES, INC | TIPTON, Tulare, CA | Pass | Local |
| 2024-08-29 | ORAFOL AMERICAS, INC. | AVON, Hartford, CT | Pass | State |
| 2024-08-29 | LANGBOARD - WILLACOOCHEE — high-priority violation on file | WILLACOOCHEE, Atkinson, GA | Pass | State |
| 2024-08-29 | EMORY UNIVERSITY | ATLANTA, DeKalb, GA | Pass | State |
| 2024-08-29 | GEORGIA-PACIFIC CEDAR SPRINGS LLC | CEDAR SPRINGS, Early, GA | Pass | State |
| 2024-08-29 | GEORGIA-PACIFIC CEDAR SPRINGS LLC | CEDAR SPRINGS, Early, GA | Pass | State |
| 2024-08-29 | GEORGIA-PACIFIC CEDAR SPRINGS LLC | CEDAR SPRINGS, Early, GA | Pass | State |
| 2024-08-29 | GEORGIA-PACIFIC CEDAR SPRINGS LLC | CEDAR SPRINGS, Early, GA | Pass | State |
| 2024-08-29 | GEORGIA-PACIFIC CEDAR SPRINGS LLC | CEDAR SPRINGS, Early, GA | Pass | State |
| 2024-08-29 | GEORGIA-PACIFIC CEDAR SPRINGS LLC | CEDAR SPRINGS, Early, GA | Pass | State |
| 2024-08-29 | MCINTOSH COMBUSTION TURBINE - ELECTRIC GENERATING PLANT | RINCON, Effingham, GA | Pass | State |
| 2024-08-29 | MCINTOSH COMBUSTION TURBINE - ELECTRIC GENERATING PLANT | RINCON, Effingham, GA | Pass | State |
| 2024-08-29 | MCINTOSH COMBUSTION TURBINE - ELECTRIC GENERATING PLANT | RINCON, Effingham, GA | Pass | State |
| 2024-08-29 | MCINTOSH COMBUSTION TURBINE - ELECTRIC GENERATING PLANT | RINCON, Effingham, GA | Pass | State |
| 2024-08-29 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2024-08-29 | HELCO - KEAHOLE — high-priority violation on file | KAILUA KONA, Hawaii, HI | Pass | State |
| 2024-08-29 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2024-08-29 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2024-08-29 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2024-08-29 | ROCKLAND WOOD PRODUCTS | MONON, White, IN | Fail | State |
| 2024-08-29 | ROCKLAND WOOD PRODUCTS | MONON, White, IN | Pass | State |
| 2024-08-29 | ROCKLAND WOOD PRODUCTS | MONON, White, IN | Pass | State |
| 2024-08-29 | ROCKLAND WOOD PRODUCTS | MONON, White, IN | Pass | State |
| 2024-08-29 | DAVE OMARA CONTRACTOR INC | VERSAILLES, Ripley, IN | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.