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 |
|---|---|---|---|---|
| 2024-12-05 | MICHAEL K FED TB | LA HUERTA, Eddy, NM | Pass | State |
| 2024-12-05 | EOG - GUNSLINGER LOCALIZED GAS LIFT STATION | JAL, Lea, NM | Pass | State |
| 2024-12-05 | EOG - GUNSLINGER LOCALIZED GAS LIFT STATION | JAL, Lea, NM | Pass | State |
| 2024-12-05 | EOG - GUNSLINGER LOCALIZED GAS LIFT STATION | JAL, Lea, NM | Pass | State |
| 2024-12-05 | MULVA MANHANDS C CTB | JAL, Lea, NM | Pass | State |
| 2024-12-05 | GORGON LGL STATION | MALAGA, Lea, NM | Pass | State |
| 2024-12-05 | GORGON LGL STATION | MALAGA, Lea, NM | Pass | State |
| 2024-12-05 | GORGON LGL STATION | MALAGA, Lea, NM | Pass | State |
| 2024-12-05 | GORGON LGL STATION | MALAGA, Lea, NM | Pass | State |
| 2024-12-05 | TITAN COMPRESSOR STATION | MALAGA, Lea, NM | Pass | State |
| 2024-12-05 | CURIA NEW YORK INC | RENSSELAER, Rensselaer, NY | Pass | State |
| 2024-12-05 | CARGILL, INCORPORATED | SIDNEY, Shelby, OH | Pass | State |
| 2024-12-05 | CARGILL, INCORPORATED | SIDNEY, Shelby, OH | Pass | State |
| 2024-12-05 | EOG RESOURCES, INC. - STOCKER HN MON PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2024-12-05 | EOG RESOURCES, INC. - STOCKER HN MON PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2024-12-05 | BCE MACH LLC / BUCKLES 9 25 12 1H | LAMBERT, Alfalfa, OK | Pass | State |
| 2024-12-05 | BCE MACH LLC / GARY 21 27 11 PAD | CHEROKEE, Alfalfa, OK | Pass | State |
| 2024-12-05 | MARKWEST OKLAHOMA GAS CO LLC / WATONGA COMPRESSOR STATION | WATONGA, Blaine, OK | Pass | State |
| 2024-12-05 | FW MIDCON I LLC / MITZI FW 0103 1H 2H 27X | RATLIFF CITY, Garvin, OK | Pass | State |
| 2024-12-05 | CONTINENTAL RESOURCES / AULD 1 10H SCOTT TRUST 1 15H FRIZZELL | LINDSAY, Grady, OK | Pass | State |
| 2024-12-05 | FW MIDCON I LLC / WENDLING 0704 2H 3H 30XX | DIBBLE, McClain, OK | Pass | State |
| 2024-12-05 | GREATER HAZLETON JT SEW AUTH/WEST HAZLETON STP — high-priority violation on file | WEST HAZLETON, Luzerne, PA | Pending | State |
| 2024-12-05 | KEYSTONE CONEMAUGH PROJ LLC/KEYSTONE STATION | SHELOCTA, Armstrong, PA | Pass | State |
| 2024-12-05 | KEYSTONE CONEMAUGH PROJ LLC/KEYSTONE STATION | SHELOCTA, Armstrong, PA | Pass | State |
| 2024-12-05 | TEXAS EASTERN TRANS LP/PERULACK STA | EAST WATERFORD, Juniata, PA | Pass | State |
| 2024-12-05 | EQM GATHERING OPCO LLC/WHITES RIDGE DEHY STA | WAYNESBURG, Greene, PA | Pass | State |
| 2024-12-05 | JASPER PELLETS, LLC — high-priority violation on file | JASPER, Marion, TN | Pass | State |
| 2024-12-05 | NORTH LONGHORN CENTRAL TANK BATTERY | KARNES CITY, Karnes, TX | Pass | State |
| 2024-12-05 | FREDERICK COUNTY REGIONAL LANDFILL | WINCHESTER, Frederick, VA | Pass | State |
| 2024-12-05 | HRSD - BOAT HARBOR WASTEWATER TREATMENT PLANT | NEWPORT NEWS, Newport News (city), VA | Pass | State |
| 2024-12-05 | WESTLAKE NATRIUM LLC, WESTLAKE NATRIUM | PROCTOR, Marshall, WV | Pass | State |
| 2024-12-05 | APPALACHIAN POWER COMPANY, JOHN AMOS PLANT | WINFIELD, Putnam, WV | Pass | State |
| 2024-12-05 | BIG ISLAND MINE & REFINERY (SISECAM WYOMING LLC) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2024-12-05 | BIG ISLAND MINE & REFINERY (SISECAM WYOMING LLC) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2024-12-05 | BIG ISLAND MINE & REFINERY (SISECAM WYOMING LLC) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2024-12-05 | BIG ISLAND MINE & REFINERY (SISECAM WYOMING LLC) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2024-12-04 | ALASKA ELECTRIC AND ENERGY COOPERATIVE / NIKISKI COMBINED CYCLE PLANT | KENAI, Kenai Peninsula, AK | Pass | State |
| 2024-12-04 | ALASKA ELECTRIC AND ENERGY COOPERATIVE / NIKISKI COMBINED CYCLE PLANT | KENAI, Kenai Peninsula, AK | Pass | State |
| 2024-12-04 | GP CELLULOSE ALABAMA RIVER CELLULOSE LLC | PERDUE HILL, Monroe, AL | Pass | State |
| 2024-12-04 | WESTROCK COATED BOARD LLC-MAHRT MILL | PHENIX CITY, Russell, AL | Pass | State |
| 2024-12-04 | WESTROCK COATED BOARD LLC-MAHRT MILL | PHENIX CITY, Russell, AL | Pass | State |
| 2024-12-04 | WESTROCK COATED BOARD LLC-MAHRT MILL | PHENIX CITY, Russell, AL | Pass | State |
| 2024-12-04 | WESTROCK COATED BOARD LLC-MAHRT MILL | PHENIX CITY, Russell, AL | Pass | State |
| 2024-12-04 | WESTROCK COATED BOARD LLC-MAHRT MILL | PHENIX CITY, Russell, AL | Pass | State |
| 2024-12-04 | ALBEMARLE CORPORATION-SOUTH PLANT | MAGNOLIA, Columbia, AR | Pass | State |
| 2024-12-04 | DESOTO GATHERING COMPANY, LLC - SHARKEY CPF-1 | JUDSONIA, White, AR | Pass | State |
| 2024-12-04 | DESOTO GATHERING COMPANY, LLC - MAKO CPF-1 | PANGBURN, White, AR | Pass | State |
| 2024-12-04 | MICROSOFT CORP - OLIVE AVE | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-12-04 | ALON BAKERSFIELD REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-04 | ALON BAKERSFIELD REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-04 | ALON BAKERSFIELD REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-04 | ALON BAKERSFIELD REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-04 | PACTIV | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-04 | PACTIV | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-04 | PACTIV | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-04 | PACTIV | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-04 | PACTIV | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-04 | PACTIV | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-04 | PACTIV | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-04 | CRESTONE PEAK - MUSTANG BOOSTER STATION — high-priority violation on file | AURORA, Adams, CO | Pass | State |
| 2024-12-04 | CRESTONE PEAK - MUSTANG BOOSTER STATION — high-priority violation on file | AURORA, Adams, CO | Pass | State |
| 2024-12-04 | PALM ENERGY LLC | BRISTOL, Hartford, CT | Pass | State |
| 2024-12-04 | ALGONQUIN GAS TRANSMISSION, LLC - CROMWELL COMPRESSOR STATION | CROMWELL, Middlesex, CT | Pass | State |
| 2024-12-04 | MONTVILLE POWER LLC | CONNECTICUT, Undetermined, CT | Pass | State |
| 2024-12-04 | GROWER DIRECT, INC | SOMERS, Tolland, CT | Pass | State |
| 2024-12-04 | GROWER DIRECT, INC | SOMERS, Tolland, CT | Pass | State |
| 2024-12-04 | CENTER POINT TERMINAL J&W, LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2024-12-04 | WHITE SPRINGS AGRICULTURAL CHEMICALS,INC | WHITE SPRINGS, Hamilton, FL | Pass | State |
| 2024-12-04 | WHITE SPRINGS AGRICULTURAL CHEMICALS,INC | WHITE SPRINGS, Hamilton, FL | Pass | State |
| 2024-12-04 | TRANSMONTAIGNE TERMINALS, LLC | PALMETTO, Manatee, FL | Pass | State |
| 2024-12-04 | SUGAR CANE GROWERS CO-OP | BELLE GLADE, Palm Beach, FL | Pass | State |
| 2024-12-04 | SUGAR CANE GROWERS CO-OP | BELLE GLADE, Palm Beach, FL | Pass | State |
| 2024-12-04 | SUGAR CANE GROWERS CO-OP | BELLE GLADE, Palm Beach, FL | Pass | State |
| 2024-12-04 | SUGAR CANE GROWERS CO-OP | BELLE GLADE, Palm Beach, FL | Pass | State |
| 2024-12-04 | SUGAR CANE GROWERS CO-OP | BELLE GLADE, Palm Beach, FL | Pass | State |
| 2024-12-04 | SUGAR CANE GROWERS CO-OP | BELLE GLADE, Palm Beach, FL | Pass | State |
| 2024-12-04 | SUGAR CANE GROWERS CO-OP | BELLE GLADE, Palm Beach, FL | Pass | State |
| 2024-12-04 | SEMINOLE ELECTRIC COOPERATIVE, INC. | PALATKA, Putnam, FL | Pass | State |
| 2024-12-04 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2024-12-04 | BD GLOBAL DISTRIBUTION CENTER | COVINGTON, Newton, GA | Pass | State |
| 2024-12-04 | CLEARWATER PAPER CORPORATION - AUGUSTA MILL — high-priority violation on file | AUGUSTA, Richmond, GA | Pass | State |
| 2024-12-04 | POET BIOREFINING - ARTHUR, LLC — high-priority violation on file | ARTHUR, Ida, IA | Pass | State |
| 2024-12-04 | LAMB WESTON - AMERICAN FALLS | AMERICAN FALLS, Power, ID | Pass | State |
| 2024-12-04 | ID CASTINGS OF ILLINOIS LLC — high-priority violation on file | MARTINSVILLE, Clark, IL | Pass | State |
| 2024-12-04 | SYENSQO USA LLC | BLUE ISLAND, Cook, IL | Pending | U.S. EPA |
| 2024-12-04 | GRAIN PROCESSING CORPORATION — high-priority violation on file | WASHINGTON, Daviess, IN | Pass | State |
| 2024-12-04 | GRAIN PROCESSING CORPORATION — high-priority violation on file | WASHINGTON, Daviess, IN | Pass | State |
| 2024-12-04 | GRAIN PROCESSING CORPORATION — high-priority violation on file | WASHINGTON, Daviess, IN | Pass | State |
| 2024-12-04 | GARFIELD FACILITY LLC — high-priority violation on file | MUNCIE, Delaware, IN | Pass | State |
| 2024-12-04 | CARMEUSE LIME INCORPORATED — high-priority violation on file | GARY, Lake, IN | Pass | State |
| 2024-12-04 | LSC COMMUNICATIONS BOOK LLC — high-priority violation on file | CRAWFORDSVILLE, Montgomery, IN | Pass | State |
| 2024-12-04 | LSC COMMUNICATIONS BOOK LLC — high-priority violation on file | CRAWFORDSVILLE, Montgomery, IN | Pass | State |
| 2024-12-04 | HARDIN CO CONTAINED LANDFILL-AUDUBON TRACE | ELIZABETHTOWN, Hardin, KY | Pass | State |
| 2024-12-04 | LOGAN ALUMINUM INC | RUSSELLVILLE, Logan, KY | Pass | State |
| 2024-12-04 | E INK CORP | SOUTH HADLEY, Hampshire, MA | Pass | State |
| 2024-12-04 | HADLEY AD 1 LLC | HADLEY, Hampshire, MA | Pass | State |
| 2024-12-04 | SILGAN CONTAINER MANUFACTURING CORP. | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2024-12-04 | CHOCTAW GENERATION LIMITED PARTNERSHIP, RED HILLS GENERATION FACILITY | ACKERMAN, Choctaw, MS | Pass | State |
| 2024-12-04 | CHOCTAW GENERATION LIMITED PARTNERSHIP, RED HILLS GENERATION FACILITY | ACKERMAN, Choctaw, MS | Pass | State |
| 2024-12-04 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register and their 2024 stack tests. Nationwide, 39,252 stack tests were recorded in 2024.