EPA Air · stack tests by year
Air-emissions stack tests in 2023
- 26,911Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2023
- California 7,676
- Ohio 2,800
- Florida 1,589
- Indiana 1,487
- Oklahoma 1,420
- New Mexico 1,087
- Georgia 1,057
- Pennsylvania 889
- Alabama 689
- Wyoming 670
- Mississippi 625
- Arkansas 602
- Iowa 453
- Colorado 436
- Texas 395
- Missouri 328
- North Carolina 302
- Washington 283
- Wisconsin 251
- Michigan 229
- Minnesota 228
- Delaware 224
- South Carolina 222
- West Virginia 218
- Kentucky 210
- Tennessee 200
- Utah 196
- Montana 177
- Virginia 170
- North Dakota 157
- Illinois 152
- Nebraska 152
- Alaska 140
- Nevada 127
- New York 123
- Maine 111
- Connecticut 108
- Arizona 102
- Louisiana 77
- Idaho 77
- Hawaii 72
- New Hampshire 58
- New Jersey 56
- South Dakota 54
- Maryland 49
- Kansas 45
- Oregon 44
- District of Columbia 36
- Massachusetts 27
- Rhode Island 20
- Puerto Rico 6
- Vermont 5
Other years
Air-emissions stack tests recorded in 2023
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2023-12-14 | PUBLIC SERVICE CO - HAYDEN PLT | HAYDEN, Routt, CO | Pass | State |
| 2023-12-14 | KERR-MCGEE O&G - PAUL NELSON 25-29HZ | JOHNSTOWN AREA, Weld, CO | Pass | State |
| 2023-12-14 | CHRISTIANA CARE HEALTH SERVICES - CHRISTIANA HOSPITAL | NEWARK, New Castle, DE | Pass | State |
| 2023-12-14 | CHRISTIANA CARE HEALTH SERVICES - CHRISTIANA HOSPITAL | NEWARK, New Castle, DE | Pass | State |
| 2023-12-14 | CHRISTIANA CARE HEALTH SERVICES - CHRISTIANA HOSPITAL | NEWARK, New Castle, DE | Pass | State |
| 2023-12-14 | CHRISTIANA CARE HEALTH SERVICES - CHRISTIANA HOSPITAL | NEWARK, New Castle, DE | Pass | State |
| 2023-12-14 | CHRISTIANA CARE HEALTH SERVICES - CHRISTIANA HOSPITAL | NEWARK, New Castle, DE | Pass | State |
| 2023-12-14 | CHRISTIANA CARE HEALTH SERVICES - CHRISTIANA HOSPITAL | NEWARK, New Castle, DE | Pass | State |
| 2023-12-14 | CHRISTIANA CARE HEALTH SERVICES - CHRISTIANA HOSPITAL | NEWARK, New Castle, DE | Pass | State |
| 2023-12-14 | CHRISTIANA CARE HEALTH SERVICES - CHRISTIANA HOSPITAL | NEWARK, New Castle, DE | Pass | State |
| 2023-12-14 | FLORIDA POWER & LIGHT COMPANY | FORT LAUDERDALE, Broward, FL | Pass | State |
| 2023-12-14 | FLORIDA POWER & LIGHT COMPANY | FORT LAUDERDALE, Broward, FL | Pass | State |
| 2023-12-14 | PRINTPACK INC. | VILLA RICA, Carroll, GA | Pass | State |
| 2023-12-14 | GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON | ATLANTA, Cobb, GA | Pass | State |
| 2023-12-14 | GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON | ATLANTA, Cobb, GA | Pass | State |
| 2023-12-14 | STERIGENICS U.S. LLC | ATLANTA, Cobb, GA | Pass | State |
| 2023-12-14 | B&B ASPHALT, LLC — high-priority violation on file | BYRON, Peach, GA | Pass | State |
| 2023-12-14 | CLEARWATER PAPER CORPORATION - AUGUSTA MILL — high-priority violation on file | AUGUSTA, Richmond, GA | Pass | State |
| 2023-12-14 | CLEARWATER PAPER CORPORATION - AUGUSTA MILL — high-priority violation on file | AUGUSTA, Richmond, GA | Pass | State |
| 2023-12-14 | CLEARWATER PAPER CORPORATION - AUGUSTA MILL — high-priority violation on file | AUGUSTA, Richmond, GA | Pass | State |
| 2023-12-14 | CLEARWATER PAPER CORPORATION - AUGUSTA MILL — high-priority violation on file | AUGUSTA, Richmond, GA | Pass | State |
| 2023-12-14 | PAR - REFINERY — high-priority violation on file | KAPOLEI, Honolulu, HI | Fail | State |
| 2023-12-14 | DALLAS COUNTY HOSPITAL | PERRY, Dallas, IA | Pass | State |
| 2023-12-14 | GEORGIA-PACIFIC GYPSUM LLC | FORT DODGE, Webster, IA | Pass | State |
| 2023-12-14 | CF INDUSTRIES NITROGEN LLC - PORT NEAL NITROGEN COMPLEX — high-priority violation on file | SERGEANT BLUFF, Woodbury, IA | Pass | State |
| 2023-12-14 | CF INDUSTRIES NITROGEN LLC - PORT NEAL NITROGEN COMPLEX — high-priority violation on file | SERGEANT BLUFF, Woodbury, IA | N/A | State |
| 2023-12-14 | BRIGHAM YOUNG UNIVERSITY IDAHO — high-priority violation on file | REXBURG, Madison, ID | Pass | State |
| 2023-12-14 | BLUE MOUND COMPRESSOR STATION | BLUE MOUND, Christian, IL | Pass | State |
| 2023-12-14 | CLEVELAND-CLIFFS STEEL LLC | EAST CHICAGO, Lake, IN | Pass | State |
| 2023-12-14 | CLEVELAND-CLIFFS STEEL LLC | EAST CHICAGO, Lake, IN | Pass | State |
| 2023-12-14 | CLEVELAND-CLIFFS STEEL LLC | EAST CHICAGO, Lake, IN | Pass | State |
| 2023-12-14 | VALERO RENEWABLE FUELS CO LLC DBA VALERO MT VERNON PLANT — high-priority violation on file | MOUNT VERNON, Posey, IN | Pass | State |
| 2023-12-14 | PRAIRIE VIEW RECYCLING & DISPOSAL FACILITY | BREMEN, Marshall, IN | Pass | State |
| 2023-12-14 | AMCOR FLEXIBLES NORTH AMERICA INCORPORATED | TERRE HAUTE, Vigo, IN | Pass | State |
| 2023-12-14 | FORD MOTOR CO LOUISVILLE ASSEMBLY PLANT | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2023-12-14 | CAMERON LNG LLC - CAMERON LNG FACILITY — high-priority violation on file | HACKBERRY, Cameron, LA | Pass | State |
| 2023-12-14 | APG-ABERDEEN AREA | ABERDEEN PROVING GROUND, Harford, MD | Pass | State |
| 2023-12-14 | CORTEVA LLC — high-priority violation on file | HARBOR BEACH, Huron, MI | Pass | State |
| 2023-12-14 | PIONEER METAL FINISHING - STEPHENS ROAD | WARREN, Macomb, MI | Fail | State |
| 2023-12-14 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | PASCAGOULA, Jackson, MS | Pass | State |
| 2023-12-14 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | PASCAGOULA, Jackson, MS | Pass | State |
| 2023-12-14 | NITRO COMPRESSOR STATION | EUNICE, Lea, NM | Pass | State |
| 2023-12-14 | NITRO COMPRESSOR STATION | EUNICE, Lea, NM | Pass | State |
| 2023-12-14 | APEX REGIONAL LANDFILL — high-priority violation on file | LAS VEGAS, Clark, NV | Pass | Local |
| 2023-12-14 | UTICA STATION | FRANKFORT, Herkimer, NY | Pass | State |
| 2023-12-14 | TRIVIUM ALUMINUM PACKAGING USA CORPORATION | YOUNGSTOWN, Mahoning, OH | Pass | State |
| 2023-12-14 | MARTIN MARIETTA MAGNESIA SPECIALTIES INC. | WOODVILLE, Sandusky, OH | Pass | State |
| 2023-12-14 | CORIX CLEVELAND THERMAL GENERATING LP | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2023-12-14 | CLEVELAND-CLIFFS STEEL CORPORATION — high-priority violation on file | MIDDLETOWN, Butler, OH | Pass | State |
| 2023-12-14 | MILL CREEK WWTP | CINCINNATI, Hamilton, OH | Pass | State |
| 2023-12-14 | MILL CREEK WWTP | CINCINNATI, Hamilton, OH | Pass | State |
| 2023-12-14 | MILL CREEK WWTP | CINCINNATI, Hamilton, OH | Pass | State |
| 2023-12-14 | MILL CREEK WWTP | CINCINNATI, Hamilton, OH | Pass | State |
| 2023-12-14 | MILL CREEK WWTP | CINCINNATI, Hamilton, OH | Pass | State |
| 2023-12-14 | MILL CREEK WWTP | CINCINNATI, Hamilton, OH | Pass | State |
| 2023-12-14 | MILL CREEK WWTP | CINCINNATI, Hamilton, OH | Pass | State |
| 2023-12-14 | MILL CREEK WWTP | CINCINNATI, Hamilton, OH | Pass | State |
| 2023-12-14 | MILL CREEK WWTP | CINCINNATI, Hamilton, OH | Pass | State |
| 2023-12-14 | CRAWLEY PETROLEUM CORP / ELLA 3 19H PAD | CANTON, Dewey, OK | Pass | State |
| 2023-12-14 | BCE MACH III LLC / BETH 32 17 5 1H SAWGRASS 1705 1 32MH | KINGFISHER, Kingfisher, OK | Pass | State |
| 2023-12-14 | BCE MACH LLC / BRAD 2 28 15 1H MIKE 2 28 15 1H STAT | ALVA, Woods, OK | Pass | State |
| 2023-12-14 | SOUTHERN ALLEGHENIES LDFL INC | DAVIDSVILLE, Somerset, PA | Pass | State |
| 2023-12-14 | LAUREL MTN MIDSTREAM OPR LLC/PRAH COMP STA | MCCLELLANDTOWN, Fayette, PA | Pass | State |
| 2023-12-14 | REGENCY MARCELLUS GAS GATHERING LLC/ HIRKEY COMP STA | TUNKHANNOCK, Wyoming, PA | Pass | State |
| 2023-12-14 | COPE STATION | COPE, Orangeburg, SC | Pass | State |
| 2023-12-14 | COPE STATION | COPE, Orangeburg, SC | Pass | State |
| 2023-12-14 | MIZKAN AMERICA, INC. | CROSSVILLE, Cumberland, TN | Pass | State |
| 2023-12-14 | BASF CORPORATION | SPARTA, White, TN | Pass | State |
| 2023-12-14 | VOLKSWAGEN GROUP OF AMERICA, INC. | CHATTANOOGA, Hamilton, TN | Pass | Local |
| 2023-12-14 | VOLKSWAGEN GROUP OF AMERICA, INC. | CHATTANOOGA, Hamilton, TN | Pass | Local |
| 2023-12-14 | KOPPERS PERFORMANCE CHEMICAL | MILLINGTON, Shelby, TN | Fail | Local |
| 2023-12-14 | KENNECOTT MAIN STACK, SMELTER AND | BINGHAM CANYON, Salt Lake, UT | Pass | State |
| 2023-12-14 | CENTRAL VALLEY WATER RECLAMATION | SALT LAKE CITY, Salt Lake, UT | Pass | State |
| 2023-12-14 | INTERGATE - ASHBURN, LLC | ASHBURN, Loudoun, VA | Pass | State |
| 2023-12-14 | PACKAGING CORPORATION OF AMERICA — high-priority violation on file | WALLULA, Walla Walla, WA | Pass | State |
| 2023-12-14 | PACKAGING CORPORATION OF AMERICA — high-priority violation on file | WALLULA, Walla Walla, WA | Pass | State |
| 2023-12-14 | PACKAGING CORPORATION OF AMERICA — high-priority violation on file | WALLULA, Walla Walla, WA | Pass | State |
| 2023-12-14 | APPALACHIAN POWER CO. - MOUNTAINEER PLANT, NEW HAVEN | NEW HAVEN, Mason, WV | Pass | State |
| 2023-12-14 | ANTERO MIDSTREAM LLC, MOUNTAIN STATION | PENNSBORO, Tyler, WV | Pass | State |
| 2023-12-14 | LARAMIE RIVER STATION (BASIN ELECTRIC POWER COOPERATIVE) — high-priority violation on file | WHEATLAND, Platte, WY | Pass | State |
| 2023-12-14 | LARAMIE RIVER STATION (BASIN ELECTRIC POWER COOPERATIVE) — high-priority violation on file | WHEATLAND, Platte, WY | Pass | State |
| 2023-12-13 | GOLDEN VALLEY ELECTRIC ASSOCIATION / HEALY POWER PLANT — high-priority violation on file | HEALY, Denali, AK | Pass | State |
| 2023-12-13 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2023-12-13 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2023-12-13 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2023-12-13 | HENRY BRICK COMPANY, INC. | SELMA, Dallas, AL | Pass | State |
| 2023-12-13 | HENRY BRICK COMPANY, INC. | SELMA, Dallas, AL | Pass | State |
| 2023-12-13 | HANNA STEEL CORP. | FAIRFIELD, Jefferson, AL | Pass | Local |
| 2023-12-13 | WESTERN FOODS DELTA REGION | PINE BLUFF, Jefferson, AR | Pass | State |
| 2023-12-13 | DESOTO GATHERING COMPANY LLC. - SOUTHWEST GREER LAKE CPF-3 | BEE BRANCH, Van Buren, AR | Pass | State |
| 2023-12-13 | DESOTO GATHERING COMPANY, LLC - YELLOWSTONE CPF-3 | BEE BRANCH, Van Buren, AR | Pass | State |
| 2023-12-13 | AIR PRODUCTS MANUFACTURING, LLC — high-priority violation on file | PARAMOUNT, Los Angeles, CA | Pass | Local |
| 2023-12-13 | AIR PRODUCTS MANUFACTURING, LLC — high-priority violation on file | PARAMOUNT, Los Angeles, CA | Pass | Local |
| 2023-12-13 | ECO SERVICES OPERATIONS CORP. | CARSON, Los Angeles, CA | Pass | Local |
| 2023-12-13 | ECO SERVICES OPERATIONS CORP. | CARSON, Los Angeles, CA | Pass | Local |
| 2023-12-13 | OWENS-BROCKWAY GLASS CONTAINER — high-priority violation on file | VERNON, Los Angeles, CA | Pass | Local |
| 2023-12-13 | ORANGE COUNTY SANITATION DISTRICT | FOUNTAIN VALLEY, Orange, CA | Pass | Local |
| 2023-12-13 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2023-12-13 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2023-12-13 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.