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 |
|---|---|---|---|---|
| 2024-09-26 | POET BIOREFINING SHELBYVILLE LLC — high-priority violation on file | SHELBYVILLE, Shelby, IN | Pass | State |
| 2024-09-26 | CONTINENTAL REFINING COMPANY LLC | SOMERSET, Pulaski, KY | Pass | State |
| 2024-09-26 | SHINTECH LOUISIANA LLC - SHINTECH PLAQUEMINE PLANT | PLAQUEMINE, Iberville, LA | Pass | State |
| 2024-09-26 | MONTGOMERY COUNTY RRF — high-priority violation on file | DICKERSON, Montgomery, MD | Pass | State |
| 2024-09-26 | COREWELL HEALTH - BUTTERWORTH CAMPUS | GRAND RAPIDS, Kent, MI | Pass | State |
| 2024-09-26 | GULF SOUTH PIPELINE COMPANY LLC, PETAL COMPRESSOR STATION | PETAL, Forrest, MS | Pass | State |
| 2024-09-26 | GULF SOUTH PIPELINE COMPANY LLC, PETAL COMPRESSOR STATION | PETAL, Forrest, MS | Pass | State |
| 2024-09-26 | GULF SOUTH PIPELINE COMPANY LLC, PETAL COMPRESSOR STATION | PETAL, Forrest, MS | Pass | State |
| 2024-09-26 | GULF SOUTH PIPELINE COMPANY LLC, PETAL COMPRESSOR STATION | PETAL, Forrest, MS | Pass | State |
| 2024-09-26 | THOMAS SIMPSON CONSTRUCTION - ACI | NEWPORT, Carteret, NC | Pass | State |
| 2024-09-26 | C & H NORRIS CONSTRUCTION COMPANY, INC. | TABOR CITY, Columbus, NC | Pass | State |
| 2024-09-26 | CAROLINA STALITE COMPANY | NORWOOD, Stanly, NC | Pass | State |
| 2024-09-26 | CARGILL INC — high-priority violation on file | BLAIR, Washington, NE | Fail | State |
| 2024-09-26 | EOG - QUAIL COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2024-09-26 | EOG - QUAIL COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2024-09-26 | EOG - QUAIL COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2024-09-26 | RED RAIDER COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2024-09-26 | PROCLAMATION LOCALIZED GAS LIFT STATION | JAL, Lea, NM | Pass | State |
| 2024-09-26 | PROCLAMATION LOCALIZED GAS LIFT STATION | JAL, Lea, NM | Pass | State |
| 2024-09-26 | WINNEBAGO 30 STATE COM CTB NO1 AND NO2 | EUNICE, Lea, NM | Pass | State |
| 2024-09-26 | GENIE COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-09-26 | GENIE COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-09-26 | FIREBIRD LGL STATION | JAL, Lea, NM | Pass | State |
| 2024-09-26 | FIREBIRD LGL STATION | JAL, Lea, NM | Pass | State |
| 2024-09-26 | NYU CENTRAL PLANT | NEW YORK, New York, NY | Pass | State |
| 2024-09-26 | SHELLY MATERIALS PLANT NO 62 — high-priority violation on file | LANCASTER, Fairfield, OH | Pass | State |
| 2024-09-26 | ASCENT RESOURCES - UTICA LLC - DONNA LND GR | LONDONDERRY, TOWNSHIP OF, Guernsey, OH | Pass | State |
| 2024-09-26 | ASCENT RESOURCES - UTICA LLC - DONNA LND GR | LONDONDERRY, TOWNSHIP OF, Guernsey, OH | Pass | State |
| 2024-09-26 | WALLS ASPHALT #2 - PHILLIPSBURG | PHILLIPSBURG, Montgomery, OH | Pass | State |
| 2024-09-26 | THE MEDICAL CENTER COMPANY | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2024-09-26 | THE MEDICAL CENTER COMPANY | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2024-09-26 | FW MIDCON I LLC / MARJORIE 1710 2 3 4 25 36MXH LLOYD 171 | WATONGA, Blaine, OK | Pass | State |
| 2024-09-26 | FW MIDCON I LLC / FAITH 5H 12 | RUSH SPRINGS, Grady, OK | Pass | State |
| 2024-09-26 | FW MIDCON I LLC / BROWN 0805 2H 1X | BLANCHARD, Grady, OK | Pass | State |
| 2024-09-26 | MARKWEST OKLAHOMA GAS CO LLC / STUART SOUTH COMPRESSOR STATION | STUART, Hughes, OK | Pass | State |
| 2024-09-26 | MARKWEST OKLAHOMA GAS CO LLC / STUART SOUTH COMPRESSOR STATION | STUART, Hughes, OK | Pass | State |
| 2024-09-26 | DCP OPERATING CO LP / CRESCENT STATION | CRESCENT, Kingfisher, OK | Pass | State |
| 2024-09-26 | VITRO MEADVILLE FLAT GLASS MEADVILLE PLT/CRAWFORD | COCHRANTON, Crawford, PA | Pass | State |
| 2024-09-26 | RAUSCH CREEK GENERATION LLC/FRAILEY TWP — high-priority violation on file | TREMONT, Schuylkill, PA | Pass | State |
| 2024-09-26 | HILCORP ENERGY CO/MAHONING BUCKER PROD FAC — high-priority violation on file | EDINBURG, Lawrence, PA | Pass | State |
| 2024-09-26 | IVY HILL CEMETERY COMPANY | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2024-09-26 | IVY HILL CEMETERY COMPANY | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2024-09-26 | IVY HILL CEMETERY COMPANY | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2024-09-26 | CENTURY ALUMINUM OF SOUTH CAROLINA INC — high-priority violation on file | GOOSE CREEK, Berkeley, SC | Pass | State |
| 2024-09-26 | HUB CITY ENERGY, LLC — high-priority violation on file | ABERDEEN, Brown, SD | Pass | State |
| 2024-09-26 | NUCOR STEEL | PLYMOUTH, Box Elder, UT | Pass | State |
| 2024-09-26 | BURLINGTON (CITY OF) BED JOSEPH C MCNEIL ELECTRIC GENERATING STATION — high-priority violation on file | BURLINGTON, Chittenden, VT | Pass | State |
| 2024-09-26 | HOLLYFRONTIER PUGET SOUND REFINERY | ANACORTES, Skagit, WA | Pass | Local |
| 2024-09-26 | NORTHWEST PIPELINE LLC- MOUNT VERNON | MOUNT VERNON, Skagit, WA | Pass | Local |
| 2024-09-26 | MOCCASIN MIKE SANITARY LANDFILL | SUPERIOR, Douglas, WI | Pass | State |
| 2024-09-26 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-09-26 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-09-26 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-09-26 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-09-26 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-09-26 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-09-26 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-09-26 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-09-26 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-09-26 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-09-26 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-09-26 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-09-26 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-09-26 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-09-26 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-09-26 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-09-26 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | CHEYENNE, Laramie, WY | Pass | State |
| 2024-09-25 | US AIR FORCE (EIELSON) / EIELSON AIR FORCE BASE — high-priority violation on file | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2024-09-25 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2024-09-25 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2024-09-25 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2024-09-25 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2024-09-25 | LHOIST NORTH AMERICA OF ALABAMA, LLC | CALERA, Shelby, AL | Pass | State |
| 2024-09-25 | LHOIST NORTH AMERICA OF ALABAMA, LLC | CALERA, Shelby, AL | Pass | State |
| 2024-09-25 | HONDA MANUFACTURING OF ALABAMA LLC | LINCOLN, Talladega, AL | Pass | State |
| 2024-09-25 | DESOTO GATHERING COMPANY, LLC - CHARLEY CPF-4 | HEBER SPRINGS, Cleburne, AR | Pass | State |
| 2024-09-25 | DESOTO GATHERING COMPANY, LLC - CADDIS CPF-2 | DAMASCUS, Faulkner, AR | Pass | State |
| 2024-09-25 | ARKANSAS BIOENERGY, LLC - LEOLA | LEOLA, Grant, AR | Pending | State |
| 2024-09-25 | SOUTHWESTERN ELECTIRC POWER COMPANY - HARRY D. MATTISON POWER PLANT | TONTITOWN, Washington, AR | Pass | State |
| 2024-09-25 | BETA OFFSHORE | HUNTINGTON BEACH, Orange, CA | Fail | Local |
| 2024-09-25 | GEORGETOWN UNIVERSITY — high-priority violation on file | WASHINGTON, District of Columbia, DC | Pending | State |
| 2024-09-25 | OMEGA PARTNERS JACKSONVILLE LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2024-09-25 | LAKELAND ELECTRIC | LAKELAND, Polk, FL | Pass | State |
| 2024-09-25 | LAKELAND ELECTRIC | LAKELAND, Polk, FL | Pass | State |
| 2024-09-25 | CARLISLE EPS HOLDING, LLC | LAKELAND, Polk, FL | Pass | State |
| 2024-09-25 | PAR - REFINERY — high-priority violation on file | KAPOLEI, Honolulu, HI | Pass | State |
| 2024-09-25 | GABLE CORP | COUNCIL BLUFFS, Pottawattamie, IA | Pass | State |
| 2024-09-25 | HEIDELBERG MATERIALS US CEMENT LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2024-09-25 | HEIDELBERG MATERIALS US CEMENT LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2024-09-25 | HEIDELBERG MATERIALS US CEMENT LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2024-09-25 | HEIDELBERG MATERIALS US CEMENT LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2024-09-25 | HEIDELBERG MATERIALS US CEMENT LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2024-09-25 | HEIDELBERG MATERIALS US CEMENT LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2024-09-25 | GARFIELD FACILITY LLC — high-priority violation on file | MUNCIE, Delaware, IN | Pass | State |
| 2024-09-25 | GARFIELD FACILITY LLC — high-priority violation on file | MUNCIE, Delaware, IN | Pass | State |
| 2024-09-25 | GARFIELD FACILITY LLC — high-priority violation on file | MUNCIE, Delaware, IN | Pass | State |
| 2024-09-25 | POET BIOREFINING - CLOVERDALE LLC — high-priority violation on file | CLOVERDALE, Putnam, IN | Pass | State |
| 2024-09-25 | POET BIOREFINING - CLOVERDALE LLC — high-priority violation on file | CLOVERDALE, Putnam, IN | Pass | State |
| 2024-09-25 | POET BIOREFINING - CLOVERDALE LLC — high-priority violation on file | CLOVERDALE, Putnam, IN | Pass | State |
| 2024-09-25 | POET BIOREFINING - CLOVERDALE LLC — high-priority violation on file | CLOVERDALE, Putnam, IN | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.