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 |
|---|---|---|---|---|
| 2024-11-05 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2024-11-05 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2024-11-05 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2024-11-05 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2024-11-05 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2024-11-05 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2024-11-05 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2024-11-05 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2024-11-05 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2024-11-05 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2024-11-05 | MOSAIC FERTILIZER LLC — high-priority violation on file | MULBERRY, Polk, FL | Pass | State |
| 2024-11-05 | SUWANNEE AMERICAN CEMENT COMPANY, LLC. | SUMTERVILLE, Sumter, FL | Pass | State |
| 2024-11-05 | SUWANNEE AMERICAN CEMENT COMPANY, LLC. | SUMTERVILLE, Sumter, FL | Pass | State |
| 2024-11-05 | SUWANNEE AMERICAN CEMENT COMPANY, LLC. | SUMTERVILLE, Sumter, FL | Pass | State |
| 2024-11-05 | SUWANNEE AMERICAN CEMENT COMPANY, LLC. | SUMTERVILLE, Sumter, FL | Pass | State |
| 2024-11-05 | HALIFAX PAVING, INC. | ORMOND BEACH, Volusia, FL | Pass | State |
| 2024-11-05 | KRATON CHEMICAL, LLC | SAVANNAH, Chatham, GA | Pass | State |
| 2024-11-05 | KRATON CHEMICAL, LLC | SAVANNAH, Chatham, GA | Pass | State |
| 2024-11-05 | MECO - MAALAEA | MAALAEA, Maui, HI | Pass | State |
| 2024-11-05 | THE ANDERSONS MARATHON HOLDINGS LLC — high-priority violation on file | DENISON, Crawford, IA | Pass | State |
| 2024-11-05 | STONCOR GROUP INCORPORATED | FORT WAYNE, Allen, IN | Pass | State |
| 2024-11-05 | STONCOR GROUP INCORPORATED | FORT WAYNE, Allen, IN | Pass | State |
| 2024-11-05 | STONCOR GROUP INCORPORATED | FORT WAYNE, Allen, IN | Pass | State |
| 2024-11-05 | STONCOR GROUP INCORPORATED | FORT WAYNE, Allen, IN | Pass | State |
| 2024-11-05 | DUKE ENERGY INDIANA LLC EDWARDSPORT GENERATING STATION | EDWARDSPORT, Knox, IN | Pass | State |
| 2024-11-05 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2024-11-05 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2024-11-05 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2024-11-05 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2024-11-05 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2024-11-05 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | BURNS HARBOR, Porter, IN | Pass | State |
| 2024-11-05 | CONSOLIDATED GRAIN & BARGE COMPANY INC — high-priority violation on file | MOUNT VERNON, Posey, IN | Pass | State |
| 2024-11-05 | CONSOLIDATED GRAIN & BARGE COMPANY INC — high-priority violation on file | MOUNT VERNON, Posey, IN | Pass | State |
| 2024-11-05 | CONSOLIDATED GRAIN & BARGE COMPANY INC — high-priority violation on file | MOUNT VERNON, Posey, IN | Pass | State |
| 2024-11-05 | CONSOLIDATED GRAIN & BARGE COMPANY INC — high-priority violation on file | MOUNT VERNON, Posey, IN | Pass | State |
| 2024-11-05 | LYONDELLBASELL ADVANCED POLYMERS INCORPORATED — high-priority violation on file | EVANSVILLE, Vanderburgh, IN | Pass | State |
| 2024-11-05 | LYONDELLBASELL ADVANCED POLYMERS INCORPORATED — high-priority violation on file | EVANSVILLE, Vanderburgh, IN | Pass | State |
| 2024-11-05 | GLASGOW REGIONAL LANDFILL | GLASGOW, Barren, KY | Pass | State |
| 2024-11-05 | SAFRAN LANDING SYSTEMS KENTUCKY LLC | WALTON, Boone, KY | Pass | State |
| 2024-11-05 | TENNESSEE VALLEY AUTHORITY (TVA) - SHAWNEE FOSSIL PLANT | WEST PADUCAH, McCracken, KY | Pass | State |
| 2024-11-05 | ND PAPER INC. | RUMFORD, Oxford, ME | Pass | State |
| 2024-11-05 | SMMPA METHANE ENERGY FACILITY | MORA, Kanabec, MN | Fail | State |
| 2024-11-05 | AMERICAN CRYSTAL SUGAR - CROOKSTON | CROOKSTON, Polk, MN | Pass | State |
| 2024-11-05 | PCS PHOSPHATE COMPANY, INC. - AURORA | AURORA, Beaufort, NC | Pass | State |
| 2024-11-05 | WESTWOOD SOLUTIONS LLC | OMAHA, Douglas, NE | N/A | State |
| 2024-11-05 | PLANTVIEW COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-11-05 | CRONUS COMPRESSOR STATION | MALAGA, Lea, NM | Pass | State |
| 2024-11-05 | MGM RESORTS INTERNATIONAL — high-priority violation on file | LAS VEGAS, Clark, NV | Pass | Local |
| 2024-11-05 | MGM RESORTS INTERNATIONAL — high-priority violation on file | LAS VEGAS, Clark, NV | Pass | Local |
| 2024-11-05 | GLOBAL COMPANIES LLC - ALBANY TERMINAL | ALBANY, Albany, NY | Pass | State |
| 2024-11-05 | CHEMTRADE SOLUTIONS SYRACUSE | GEDDES, Onondaga, NY | Pass | State |
| 2024-11-05 | THE SCOTTS CO. | MARYSVILLE, Union, OH | Pass | State |
| 2024-11-05 | JOHNS MANVILLE / PLANT #01 - WTV1 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-11-05 | JOHNS MANVILLE / PLANT #01 - WTV1 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-11-05 | JOHNS MANVILLE / PLANT #01 - WTV1 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-11-05 | JOHNS MANVILLE / PLANT #01 - WTV1 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-11-05 | JOHNS MANVILLE / PLANT #01 - WTV1 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-11-05 | JOHNS MANVILLE / PLANT #01 - WTV1 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-11-05 | JOHNS MANVILLE / PLANT #01 - WTV1 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-11-05 | ASCENT RESOURCES - DOMINO CDZ HR | CADIZ, Harrison, OH | Pass | State |
| 2024-11-05 | ASCENT RESOURCES - DOMINO CDZ HR | CADIZ, Harrison, OH | Pass | State |
| 2024-11-05 | ASCENT RESOURCES - DOMINO CDZ HR | CADIZ, Harrison, OH | Pass | State |
| 2024-11-05 | THE GARLAND COMPANY, INC. — high-priority violation on file | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2024-11-05 | ONEOK FIELD SERVICES CO LLC / BURNS COMPRESSOR STATION | GEARY, Canadian, OK | Pass | State |
| 2024-11-05 | ONEOK FIELD SERVICES CO LLC / CEDAR LAKE COMPRESSOR STATION | CALUMET, Canadian, OK | Pass | State |
| 2024-11-05 | PEOPLES ELECTRIC COOP / TARGA — high-priority violation on file | CENTRAHOMA, Coal, OK | Pass | State |
| 2024-11-05 | FOUNDATION ENERGY MANAGEMENT LLC / NORTHRIDGE GAS PLANT | GERTY, Hughes, OK | Pass | State |
| 2024-11-05 | ET GATHERING PROCESSING LLC / BLACK KETTLE COMPRESSOR STATION | REYDON, Roger Mills, OK | Pass | State |
| 2024-11-05 | ENERFIN GATHERING EAST LLC / SEMINOLE COMPRESSOR STATION | SEMINOLE, Seminole, OK | Pass | State |
| 2024-11-05 | PEOPLES GAS CO LLC/KINTER STA | INDIANA, Indiana, PA | Pass | State |
| 2024-11-05 | ENERGEX WOOD PELLET MFG/MIFFLINTOWN — high-priority violation on file | MIFFLINTOWN, Juniata, PA | Fail | State |
| 2024-11-05 | EQM GATHERING OPCO LLC/CALLISTO COMP STA | SYCAMORE, Greene, PA | Pass | State |
| 2024-11-05 | SOUTHWESTERN ENERGY CO/RACINE 5H | NEW MILFORD, Susquehanna, PA | Pass | State |
| 2024-11-05 | GLACIAL LAKES ENERGY LLC | WATERTOWN, Codington, SD | Pass | State |
| 2024-11-05 | NOKIAN TYRES U.S. OPERATIONS LLC DBA NOKIAN TYRES - DAYTON | DAYTON, Rhea, TN | Pending | State |
| 2024-11-05 | NOKIAN TYRES U.S. OPERATIONS LLC DBA NOKIAN TYRES - DAYTON | DAYTON, Rhea, TN | Fail | State |
| 2024-11-05 | SOUTH KARNES CENTRAL FACILITY | KENEDY, Karnes, TX | Pass | State |
| 2024-11-05 | KINDER MORGAN LLC - ALTAMONT EAST | ALTAMONT, Duchesne, UT | Pass | State |
| 2024-11-05 | WESTROCK VIRGINIA LLC - COVINGTON | COVINGTON, Covington (city), VA | Pass | State |
| 2024-11-05 | PHILLIPS 66 | FERNDALE, Whatcom, WA | Pass | Local |
| 2024-11-05 | AEROJET ROCKETDYNE, INC. | REDMOND, King, WA | Pass | Local |
| 2024-11-05 | AEROJET ROCKETDYNE, INC. | REDMOND, King, WA | Pass | Local |
| 2024-11-05 | MULTICARE HEALTH SYSTEM | TACOMA, Pierce, WA | Pass | Local |
| 2024-11-05 | PUGET SOUND ENERGY (WA NATURAL GAS) | CHEHALIS, Lewis, WA | Pass | Local |
| 2024-11-05 | PUGET SOUND ENERGY (WA NATURAL GAS) | CHEHALIS, Lewis, WA | Pass | Local |
| 2024-11-05 | CARDINAL FG | PORTAGE, Columbia, WI | Pass | State |
| 2024-11-05 | FIVE STAR COATINGS GROUP | TWIN LAKES, Kenosha, WI | Pass | State |
| 2024-11-05 | WI PUBLIC SERVICE WESTON POWER PLANT | KRONENWETTER, Marathon, WI | Pass | State |
| 2024-11-05 | KERRY INC — high-priority violation on file | RHINELANDER, Outagamie, WI | Pass | State |
| 2024-11-05 | COLUMBIA GAS TRANSMISSION, LLC, GLENVILLE | TRUEBADA, Gilmer, WV | Pass | State |
| 2024-11-05 | COLUMBIA GAS TRANSMISSION, LLC, HUBBALL | BRANCHLAND, Lincoln, WV | Pass | State |
| 2024-11-05 | APPALACHIA MIDSTREAM SERVICES, LLC, BLACK BEAR COM | WHEELING, Marshall, WV | Pass | State |
| 2024-11-05 | GREEN RIVER WORKS (TATA CHEMICALS (SODA ASH) PARTNERS) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2024-11-05 | PAINTER COMPRESSOR STATION (KERN RIVER GAS TRANSMISSION) | EVANSTON, Uinta, WY | Pass | State |
| 2024-11-05 | PAINTER COMPRESSOR STATION (KERN RIVER GAS TRANSMISSION) | EVANSTON, Uinta, WY | Pass | State |
| 2024-11-04 | W&T OFFSHORE, INC. | MOBILE BAY, Mobile, AL | Pass | State |
| 2024-11-04 | W&T OFFSHORE, INC. | MOBILE BAY, Mobile, AL | Pass | State |
| 2024-11-04 | W&T OFFSHORE, INC. | MOBILE BAY, Mobile, AL | Pass | State |
| 2024-11-04 | DESOTO GATHERING COMPANY, LLC - S. BROWNIE CPF-1 | HATTIEVILLE, Conway, AR | Pass | State |
| 2024-11-04 | DESOTO GATHERING COMPANY LLC - SOUTH BROWNIE CPF 2 | HATTIEVILLE, Conway, AR | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.