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.