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 |
|---|---|---|---|---|
| 2024-12-19 | FW MIDCON I LLC / JORGE 1407 2H 3H 4H 31X BOMOFF 1407 2H | OKARCHE, Canadian, OK | Pass | State |
| 2024-12-19 | ET GATHERING PROCESSING LLC / MORRIS COMPRESSOR STATION | BRADLEY, Grady, OK | Pass | State |
| 2024-12-19 | VALLEY LANDFILLS, INC. — high-priority violation on file | CORVALLIS, Benton, OR | Pass | State |
| 2024-12-19 | WASTE MGMT DSPL SVC /GROWS LDFL | MORRISVILLE, Bucks, PA | Fail | State |
| 2024-12-19 | AMCOR FLEXIBLES NORTH AMER INC/LEBANON | LEBANON, Lebanon, PA | Pass | State |
| 2024-12-19 | ALTA PERFORMANCE MATERIALS US, LLC | PITTSBURGH, Allegheny, PA | Pass | Local |
| 2024-12-19 | VAUGHAN-BASSETT FURNITURE COMPANY | GALAX, Galax (city), VA | Pass | State |
| 2024-12-19 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2024-12-19 | ANR PIPELINE CO - KEWASKUM COMPRESSOR ST | ADELL, Taylor, WI | Pass | State |
| 2024-12-19 | MONONGAHELA POWER COMPANY, FORT MARTIN STATION | MAIDSVILLE, Monongalia, WV | Pass | State |
| 2024-12-19 | DAVE JOHNSTON (PACIFICORP) | GLENROCK, Converse, WY | Pass | State |
| 2024-12-19 | DAVE JOHNSTON (PACIFICORP) | GLENROCK, Converse, WY | Pass | State |
| 2024-12-19 | PINEDALE COMPLEX (HARVEST MIDSTREAM COMPANY) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2024-12-19 | PINEDALE COMPLEX (HARVEST MIDSTREAM COMPANY) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2024-12-19 | PINEDALE COMPLEX (HARVEST MIDSTREAM COMPANY) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2024-12-18 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | SWEET WATER, Marengo, AL | Pass | State |
| 2024-12-18 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | SWEET WATER, Marengo, AL | Pass | State |
| 2024-12-18 | NUCOR STEEL BIRMINGHAM,INC. | BIRMINGHAM, Jefferson, AL | Pass | Local |
| 2024-12-18 | DESOTO GATHERING COMPANY, LLC - CHARLEY CPF-4 | HEBER SPRINGS, Cleburne, AR | Pass | State |
| 2024-12-18 | MITSUBISHI CEMENT CO — high-priority violation on file | LUCERNE VALLEY, San Bernardino, CA | Pass | Local |
| 2024-12-18 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-18 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-18 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-18 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-18 | BALL WESTERN CAN COMPANY | OAKDALE, Stanislaus, CA | Pass | Local |
| 2024-12-18 | BALL WESTERN CAN COMPANY | OAKDALE, Stanislaus, CA | Pass | Local |
| 2024-12-18 | BALL WESTERN CAN COMPANY | OAKDALE, Stanislaus, CA | Pass | Local |
| 2024-12-18 | TITAN FLORIDA LLC | MEDLEY, Miami-Dade, FL | Pass | State |
| 2024-12-18 | TAMPA ELECTRIC COMPANY | TAMPA, Hillsborough, FL | Pass | State |
| 2024-12-18 | TAMPA ELECTRIC COMPANY | TAMPA, Hillsborough, FL | Pass | State |
| 2024-12-18 | TAMPA ELECTRIC COMPANY | TAMPA, Hillsborough, FL | Pass | State |
| 2024-12-18 | ORLANDO UTILITIES COMMISSION | SAINT CLOUD, Osceola, FL | Pass | State |
| 2024-12-18 | ORLANDO UTILITIES COMMISSION | SAINT CLOUD, Osceola, FL | Pass | State |
| 2024-12-18 | ORLANDO UTILITIES COMMISSION | SAINT CLOUD, Osceola, FL | Pass | State |
| 2024-12-18 | INTERNATIONAL PAPER COMPANY - PORT WENTWORTH MILL | PORT WENTWORTH, Chatham, GA | Pass | State |
| 2024-12-18 | LOUIS DREYFUS COMPANY GRAND JUNCTION, LLC | GRAND JUNCTION, Greene, IA | Pass | State |
| 2024-12-18 | NORTHERN NATURAL GAS CO- VENTURA | GARNER, Hancock, IA | Pass | State |
| 2024-12-18 | POET BIOREFINING IOWA FALLS, LLC — high-priority violation on file | IOWA FALLS, Hardin, IA | Pass | State |
| 2024-12-18 | POET BIOREFINING IOWA FALLS, LLC — high-priority violation on file | IOWA FALLS, Hardin, IA | Pass | State |
| 2024-12-18 | GRAIN PROCESSING CORP — high-priority violation on file | MUSCATINE, Muscatine, IA | Pass | State |
| 2024-12-18 | INDIANOLA MUNICIPAL UTILITIES | INDIANOLA (HISTORICAL), Warren, IA | Pass | State |
| 2024-12-18 | INDIANOLA MUNICIPAL UTILITIES | INDIANOLA (HISTORICAL), Warren, IA | Pass | State |
| 2024-12-18 | INDIANOLA MUNICIPAL UTILITIES | INDIANOLA (HISTORICAL), Warren, IA | Pass | State |
| 2024-12-18 | DALTON CORPORATION WARSAW MANUFACTURING FACILITY — high-priority violation on file | WARSAW, Kosciusko, IN | Pass | State |
| 2024-12-18 | DALTON CORPORATION WARSAW MANUFACTURING FACILITY — high-priority violation on file | WARSAW, Kosciusko, IN | Pass | State |
| 2024-12-18 | DALTON CORPORATION WARSAW MANUFACTURING FACILITY — high-priority violation on file | WARSAW, Kosciusko, IN | Pass | State |
| 2024-12-18 | CRYSTAL CLEAN LLC | INDIANAPOLIS, Marion, IN | Pass | State |
| 2024-12-18 | CRYSTAL CLEAN LLC | INDIANAPOLIS, Marion, IN | Pass | State |
| 2024-12-18 | WAUPACA FOUNDRY INC PLANT 5 — high-priority violation on file | TELL CITY, Perry, IN | Pass | State |
| 2024-12-18 | WAUPACA FOUNDRY INC PLANT 5 — high-priority violation on file | TELL CITY, Perry, IN | Pass | State |
| 2024-12-18 | VALERO RENEWABLE FUELS COMPANY LLC DBA VALERO BLUFFTON PLANT | BLUFFTON, Wells, IN | Pass | State |
| 2024-12-18 | VALERO RENEWABLE FUELS COMPANY LLC DBA VALERO BLUFFTON PLANT | BLUFFTON, Wells, IN | Pass | State |
| 2024-12-18 | VALERO RENEWABLE FUELS COMPANY LLC DBA VALERO BLUFFTON PLANT | BLUFFTON, Wells, IN | Pass | State |
| 2024-12-18 | VALERO RENEWABLE FUELS COMPANY LLC DBA VALERO BLUFFTON PLANT | BLUFFTON, Wells, IN | Pass | State |
| 2024-12-18 | VALERO RENEWABLE FUELS COMPANY LLC DBA VALERO BLUFFTON PLANT | BLUFFTON, Wells, IN | Pass | State |
| 2024-12-18 | VALERO RENEWABLE FUELS COMPANY LLC DBA VALERO BLUFFTON PLANT | BLUFFTON, Wells, IN | Pass | State |
| 2024-12-18 | VALERO RENEWABLE FUELS COMPANY LLC DBA VALERO BLUFFTON PLANT | BLUFFTON, Wells, IN | Pass | State |
| 2024-12-18 | VALERO RENEWABLE FUELS COMPANY LLC DBA VALERO BLUFFTON PLANT | BLUFFTON, Wells, IN | Pass | State |
| 2024-12-18 | VALERO RENEWABLE FUELS COMPANY LLC DBA VALERO BLUFFTON PLANT | BLUFFTON, Wells, IN | Pass | State |
| 2024-12-18 | VALERO RENEWABLE FUELS COMPANY LLC DBA VALERO BLUFFTON PLANT | BLUFFTON, Wells, IN | Pass | State |
| 2024-12-18 | VALERO RENEWABLE FUELS COMPANY LLC DBA VALERO BLUFFTON PLANT | BLUFFTON, Wells, IN | Pass | State |
| 2024-12-18 | EXETER AGRI-ENERGY, LLC | EXETER, TOWN OF, Penobscot, ME | Pass | State |
| 2024-12-18 | U S STEEL GREAT LAKES WORKS — high-priority violation on file | ECORSE, Wayne, MI | Pass | State |
| 2024-12-18 | DETROIT THERMAL BEACON HEATING PLANT | DETROIT, Wayne, MI | Pass | State |
| 2024-12-18 | DETROIT THERMAL BEACON HEATING PLANT | DETROIT, Wayne, MI | Pass | State |
| 2024-12-18 | DENSO MANUFACTURING MICHIGAN, INC. | BATTLE CREEK, Calhoun, MI | Pass | State |
| 2024-12-18 | WEST FRASER US EWP - BEMIDJI | SOLWAY, Beltrami, MN | Pass | State |
| 2024-12-18 | SANIMAX USA INC | SOUTH SAINT PAUL, Dakota, MN | N/A | State |
| 2024-12-18 | LAMAR CITY ELECTRICAL GENERATION | LAMAR, Barton, MO | Pass | State |
| 2024-12-18 | LAMAR CITY ELECTRICAL GENERATION | LAMAR, Barton, MO | Pass | State |
| 2024-12-18 | LAMAR CITY ELECTRICAL GENERATION | LAMAR, Barton, MO | Pass | State |
| 2024-12-18 | LAMAR CITY ELECTRICAL GENERATION | LAMAR, Barton, MO | Pass | State |
| 2024-12-18 | CALGON CARBON CORPORATION | BAY ST. LOUI, Hancock, MS | Pass | State |
| 2024-12-18 | FALLS CITY POWER PLANT — high-priority violation on file | FALLS CITY, Richardson, NE | Pass | State |
| 2024-12-18 | FIREBALL GROUP LLC DATA CENTER — high-priority violation on file | PAPILLION, Sarpy, NE | N/A | State |
| 2024-12-18 | FIREBALL GROUP LLC DATA CENTER — high-priority violation on file | PAPILLION, Sarpy, NE | N/A | State |
| 2024-12-18 | FRAC CAT COMPRESSOR STATION | LOVING, Lea, NM | Pass | State |
| 2024-12-18 | COBRA COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-12-18 | CAPITAL RESIN CORP | COLUMBUS, Franklin, OH | Pass | State |
| 2024-12-18 | CAPITAL RESIN CORP | COLUMBUS, Franklin, OH | Pass | State |
| 2024-12-18 | ASCENT RESOURCES - UTICA LLC - R HOOVER WHL BL | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2024-12-18 | ASCENT RESOURCES - UTICA LLC - R HOOVER WHL BL | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2024-12-18 | ASCENT RESOURCES - UTICA LLC - R HOOVER WHL BL | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2024-12-18 | ASCENT RESOURCES - UTICA LLC - CONNIE JO CLR BL | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2024-12-18 | ASCENT RESOURCES - UTICA LLC - CONNIE JO CLR BL | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2024-12-18 | ASCENT RESOURCES - UTICA LLC - CONNIE JO CLR BL | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2024-12-18 | DAVID STALDER PAD 952419 | SARDIS, Monroe, OH | Pass | State |
| 2024-12-18 | DAVID STALDER PAD 952419 | SARDIS, Monroe, OH | Pass | State |
| 2024-12-18 | DAVID STALDER PAD 952419 | SARDIS, Monroe, OH | Pass | State |
| 2024-12-18 | DAVID STALDER PAD 952419 | SARDIS, Monroe, OH | Pass | State |
| 2024-12-18 | DAVID STALDER PAD 952419 | SARDIS, Monroe, OH | Pass | State |
| 2024-12-18 | DAVID STALDER PAD 952419 | SARDIS, Monroe, OH | Pass | State |
| 2024-12-18 | MANE INC | CINCINNATI, Hamilton, OH | Pass | State |
| 2024-12-18 | MANE INC | CINCINNATI, Hamilton, OH | Pass | State |
| 2024-12-18 | MANE INC | CINCINNATI, Hamilton, OH | Pass | State |
| 2024-12-18 | ET GATHERING PROCESSING LLC / MORRIS COMPRESSOR STATION | BRADLEY, Grady, OK | Pass | State |
| 2024-12-18 | ET GATHERING PROCESSING LLC / MORRIS COMPRESSOR STATION | BRADLEY, Grady, OK | Pass | State |
| 2024-12-18 | ET GATHERING PROCESSING LLC / REDHORSE COMPRESSOR STATION | ALVA, Woods, OK | Pass | State |
| 2024-12-18 | APPALACHIA MIDSTREAM SVC LLC/STAGECOACH COMP STA | WYALUSING, Bradford, PA | Pass | State |
| 2024-12-18 | EXPAND OPERATING LLC/RU-20 ROMAN PAD | NEW MILFORD, Susquehanna, PA | 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.