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 |
|---|---|---|---|---|
| 2023-12-13 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2023-12-13 | CALIFORNIA RESOURCES PRODUCTION CORP | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-13 | CALIFORNIA RESOURCES PRODUCTION CORP | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-13 | PROCTER & GAMBLE PAPER PRODUCTS — high-priority violation on file | OXNARD, Ventura, CA | Pass | Local |
| 2023-12-13 | DCP OPERATING CO - SPINDLE GAS PLANT | FREDERICK AREA, Weld, CO | Pass | State |
| 2023-12-13 | FLORIDA POWER & LIGHT COMPANY | FORT LAUDERDALE, Broward, FL | Pass | State |
| 2023-12-13 | FLORIDA POWER & LIGHT COMPANY | FORT LAUDERDALE, Broward, FL | Pass | State |
| 2023-12-13 | FLORIDA POWER & LIGHT COMPANY | FORT LAUDERDALE, Broward, FL | Pass | State |
| 2023-12-13 | JAX LNG LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-12-13 | JAX LNG LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-12-13 | JAX LNG LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-12-13 | ASCEND PERFORMANCE MATERIALS OPERATIONS — high-priority violation on file | CANTONMENT, Escambia, FL | Pass | State |
| 2023-12-13 | ASCEND PERFORMANCE MATERIALS OPERATIONS — high-priority violation on file | CANTONMENT, Escambia, FL | Pass | State |
| 2023-12-13 | ASCEND PERFORMANCE MATERIALS OPERATIONS — high-priority violation on file | CANTONMENT, Escambia, FL | Pass | State |
| 2023-12-13 | ASCEND PERFORMANCE MATERIALS OPERATIONS — high-priority violation on file | CANTONMENT, Escambia, FL | Pass | State |
| 2023-12-13 | CEMEX CONSTRUCTION MATERIALS FLORIDA,LLC | BROOKSVILLE, Hernando, FL | Pass | State |
| 2023-12-13 | CEMEX CONSTRUCTION MATERIALS FLORIDA,LLC | BROOKSVILLE, Hernando, FL | Pass | State |
| 2023-12-13 | DUVAL ASPHALT PRODUCTS, INC | GREEN COVE SPRINGS, Clay, FL | Pass | State |
| 2023-12-13 | PRINTPACK INC. | VILLA RICA, Carroll, GA | Pass | State |
| 2023-12-13 | STERIGENICS U.S. LLC | ATLANTA, Cobb, GA | Pass | State |
| 2023-12-13 | CLEARWATER PAPER CORPORATION - AUGUSTA MILL — high-priority violation on file | AUGUSTA, Richmond, GA | Pass | State |
| 2023-12-13 | HECO - WAIAU | PEARL CITY, Honolulu, HI | Pass | State |
| 2023-12-13 | PAR - REFINERY — high-priority violation on file | KAPOLEI, Honolulu, HI | Fail | State |
| 2023-12-13 | GOLDEN GRAIN ENERGY LLC — high-priority violation on file | MASON CITY, Cerro Gordo, IA | Fail | State |
| 2023-12-13 | GOLDEN GRAIN ENERGY LLC — high-priority violation on file | MASON CITY, Cerro Gordo, IA | Pass | State |
| 2023-12-13 | GOLDEN GRAIN ENERGY LLC — high-priority violation on file | MASON CITY, Cerro Gordo, IA | Pass | State |
| 2023-12-13 | VALERO RENEWABLE FUELS COMPANY. LLC D/B/A VALERO LAKOTA PLANT — high-priority violation on file | LAKOTA, Kossuth, IA | Pass | State |
| 2023-12-13 | VALERO RENEWABLE FUELS COMPANY. LLC D/B/A VALERO LAKOTA PLANT — high-priority violation on file | LAKOTA, Kossuth, IA | Pass | State |
| 2023-12-13 | VALERO RENEWABLE FUELS COMPANY. LLC D/B/A VALERO LAKOTA PLANT — high-priority violation on file | LAKOTA, Kossuth, IA | Fail | State |
| 2023-12-13 | VALERO RENEWABLE FUELS COMPANY. LLC D/B/A VALERO LAKOTA PLANT — high-priority violation on file | LAKOTA, Kossuth, IA | Fail | State |
| 2023-12-13 | P KAY METAL LEWISTON LLC | LEWISTON, Nez Perce, ID | Pass | State |
| 2023-12-13 | BLUE MOUND COMPRESSOR STATION | BLUE MOUND, Christian, IL | Pass | State |
| 2023-12-13 | BLUE MOUND COMPRESSOR STATION | BLUE MOUND, Christian, IL | Pass | State |
| 2023-12-13 | SUPERIOR ALUMINUM ALLOYS LLC — high-priority violation on file | NEW HAVEN, Allen, IN | Pass | State |
| 2023-12-13 | SUPERIOR ALUMINUM ALLOYS LLC — high-priority violation on file | NEW HAVEN, Allen, IN | Pass | State |
| 2023-12-13 | SUPERIOR ALUMINUM ALLOYS LLC — high-priority violation on file | NEW HAVEN, Allen, IN | Pass | State |
| 2023-12-13 | SUPERIOR ALUMINUM ALLOYS LLC — high-priority violation on file | NEW HAVEN, Allen, IN | Pass | State |
| 2023-12-13 | SUPERIOR ALUMINUM ALLOYS LLC — high-priority violation on file | NEW HAVEN, Allen, IN | Fail | State |
| 2023-12-13 | SUPERIOR ALUMINUM ALLOYS LLC — high-priority violation on file | NEW HAVEN, Allen, IN | Pass | State |
| 2023-12-13 | SUPERIOR ALUMINUM ALLOYS LLC — high-priority violation on file | NEW HAVEN, Allen, IN | Pass | State |
| 2023-12-13 | WAUPACA FOUNDRY INC PLANT 5 — high-priority violation on file | TELL CITY, Perry, IN | Pass | State |
| 2023-12-13 | WAUPACA FOUNDRY INC PLANT 5 — high-priority violation on file | TELL CITY, Perry, IN | Pass | State |
| 2023-12-13 | PVS TECHNOLOGIES INC — high-priority violation on file | PORTAGE, Porter, IN | Fail | State |
| 2023-12-13 | PVS TECHNOLOGIES INC — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2023-12-13 | LIBERTY LANDFILL LLC | MONTICELLO, White, IN | Pass | State |
| 2023-12-13 | LIBERTY LANDFILL LLC | MONTICELLO, White, IN | Pass | State |
| 2023-12-13 | LOUISVILLE GAS & ELECTRIC | MAGNOLIA, Larue, KY | Pending | State |
| 2023-12-13 | LOUISVILLE GAS & ELECTRIC | MAGNOLIA, Larue, KY | Pass | State |
| 2023-12-13 | CAMERON LNG LLC - CAMERON LNG FACILITY — high-priority violation on file | HACKBERRY, Cameron, LA | Pass | State |
| 2023-12-13 | U S STEEL GREAT LAKES WORKS — high-priority violation on file | ECORSE, Wayne, MI | Pass | State |
| 2023-12-13 | DTE ELECTRIC COMPANY - COLFAX PEAKING FACILITY | FOWLERVILLE, Livingston, MI | Pass | State |
| 2023-12-13 | TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC - STATION 160 | REIDSVILLE, Rockingham, NC | Pass | State |
| 2023-12-13 | PILKINGTON NORTH AMERICA, INC. — high-priority violation on file | LAURINBURG, Scotland, NC | Pass | State |
| 2023-12-13 | WBI ENERGY TRANSMISSION, INC. - MANNING COMPRESSOR STATION | MANNING, Dunn, ND | Pass | State |
| 2023-12-13 | MINN-DAK FARMERS COOPERATIVE (MDFC) - WAHPETON PLANT - AQ | WAHPETON, Richland, ND | Fail | State |
| 2023-12-13 | NPPD SHELDON STATION | HALLAM, Lancaster, NE | Pass | Local |
| 2023-12-13 | RAIDER COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2023-12-13 | MAD MAX 6 FED COM CTB | CARLSBAD, Eddy, NM | Pass | State |
| 2023-12-13 | MAD MAX 6 FED COM CTB | CARLSBAD, Eddy, NM | Pass | State |
| 2023-12-13 | NITRO COMPRESSOR STATION | EUNICE, Lea, NM | Pass | State |
| 2023-12-13 | NITRO COMPRESSOR STATION | EUNICE, Lea, NM | Pass | State |
| 2023-12-13 | HIGH DESERT STATE PRISON — high-priority violation on file | INDIAN SPRINGS, Clark, NV | Pass | Local |
| 2023-12-13 | HIGH DESERT STATE PRISON — high-priority violation on file | INDIAN SPRINGS, Clark, NV | Pass | Local |
| 2023-12-13 | HIGH DESERT STATE PRISON — high-priority violation on file | INDIAN SPRINGS, Clark, NV | Pass | Local |
| 2023-12-13 | ROCHESTER DISTRICT HEATING COOPERATIVE | ROCHESTER, Monroe, NY | Pass | State |
| 2023-12-13 | POET BIOREFINING - MARION, LLC | MARION, Marion, OH | Pass | State |
| 2023-12-13 | POET BIOREFINING - MARION, LLC | MARION, Marion, OH | Pass | State |
| 2023-12-13 | POET BIOREFINING - MARION, LLC | MARION, Marion, OH | Pass | State |
| 2023-12-13 | POET BIOREFINING - MARION, LLC | MARION, Marion, OH | Pass | State |
| 2023-12-13 | POET BIOREFINING - MARION, LLC | MARION, Marion, OH | Pass | State |
| 2023-12-13 | POET BIOREFINING - MARION, LLC | MARION, Marion, OH | Pass | State |
| 2023-12-13 | POET BIOREFINING - MARION, LLC | MARION, Marion, OH | Pass | State |
| 2023-12-13 | POET BIOREFINING - MARION, LLC | MARION, Marion, OH | Pass | State |
| 2023-12-13 | POET BIOREFINING - MARION, LLC | MARION, Marion, OH | Pass | State |
| 2023-12-13 | POET BIOREFINING - MARION, LLC | MARION, Marion, OH | Pass | State |
| 2023-12-13 | POET BIOREFINING - MARION, LLC | MARION, Marion, OH | Pass | State |
| 2023-12-13 | POET BIOREFINING - MARION, LLC | MARION, Marion, OH | Pass | State |
| 2023-12-13 | CORIX CLEVELAND THERMAL GENERATING LP | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2023-12-13 | PROCTER & GAMBLE MASON BUSINESS & INNOVATION CENTER | MASON, Warren, OH | Pass | State |
| 2023-12-13 | PROCTER & GAMBLE MASON BUSINESS & INNOVATION CENTER | MASON, Warren, OH | Pass | State |
| 2023-12-13 | PROCTER & GAMBLE MASON BUSINESS & INNOVATION CENTER | MASON, Warren, OH | Pass | State |
| 2023-12-13 | PROCTER & GAMBLE MASON BUSINESS & INNOVATION CENTER | MASON, Warren, OH | Pass | State |
| 2023-12-13 | CRAWLEY PETROLEUM CORP / PADEN HEIRS 4 31MH PAD | CANTON, Blaine, OK | Pass | State |
| 2023-12-13 | GREAT HORNED OWLS LLC / BECK PAD | MULHALL, Logan, OK | Pass | State |
| 2023-12-13 | CRAWLEY PETROLEUM CORP / JACK RABBIT 1 29MH PAD | FAIRVIEW, Major, OK | Pass | State |
| 2023-12-13 | HUBBELL UTILITY SOLUTIONS / HUBBELL MANUFACTURING OKC INC | OKLAHOMA CITY, Oklahoma, OK | Pass | State |
| 2023-12-13 | TALL OAK WOODFORD LLC / TREE HOUSE COMPRESSOR FACILITY | MCALESTER, Pittsburg, OK | Pass | State |
| 2023-12-13 | TALL OAK WOODFORD LLC / TREE HOUSE COMPRESSOR FACILITY | MCALESTER, Pittsburg, OK | Pass | State |
| 2023-12-13 | TEXAS EASTERN TRANS LP/ENTRIKEN STA | ENTRIKEN, Huntingdon, PA | Pass | State |
| 2023-12-13 | SOUTH DAKOTA SOYBEAN PROCESSORS - ST. LAWRENCE | ST LAWRENCE, Hand, SD | Pass | State |
| 2023-12-13 | TENNESSEE VALLEY AUTHORITY - GALLATIN FOSSIL PLANT | GALLATIN, Sumner, TN | Pass | State |
| 2023-12-13 | VAUGHAN BASSETT FURNITURE CO GALAX PLANT #2 | GALAX, Galax (city), VA | Pass | State |
| 2023-12-13 | NUTRIEN | KENNEWICK, Benton, WA | Pending | Local |
| 2023-12-13 | MOUNTAIN STATE CLEAN ENERGY, LLC, MAIDSVILLE | MAIDSVILLE, Monongalia, WV | Pass | State |
| 2023-12-13 | MOUNTAIN STATE CLEAN ENERGY, LLC, MAIDSVILLE | MAIDSVILLE, Monongalia, WV | Pass | State |
| 2023-12-13 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-12-13 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-12-13 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-12-13 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-12-13 | STEAMBOAT PROCESSING FACILITY (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.