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 |
|---|---|---|---|---|
| 2024-10-30 | INTERNATIONAL PAPER COMPANY | CANTONMENT, Escambia, FL | Pass | State |
| 2024-10-30 | INTERNATIONAL PAPER COMPANY | CANTONMENT, Escambia, FL | Pass | State |
| 2024-10-30 | INTERNATIONAL PAPER COMPANY | CANTONMENT, Escambia, FL | Pass | State |
| 2024-10-30 | INTERNATIONAL PAPER COMPANY | CANTONMENT, Escambia, FL | Pass | State |
| 2024-10-30 | U.S. SUGAR CORPORATION | CLEWISTON, Hendry, FL | Pass | State |
| 2024-10-30 | HILLSBOROUGH CTY. RESOURCE RECOVERY FAC. | TAMPA, Hillsborough, FL | Pass | State |
| 2024-10-30 | HILLSBOROUGH CTY. RESOURCE RECOVERY FAC. | TAMPA, Hillsborough, FL | Pass | State |
| 2024-10-30 | FLORIDA POWER & LIGHT | FORT MYERS, Lee, FL | Pass | State |
| 2024-10-30 | FLORIDA POWER & LIGHT | FORT MYERS, Lee, FL | Pass | State |
| 2024-10-30 | GEORGIA-PACIFIC PALATKA LLC — high-priority violation on file | PALATKA, Putnam, FL | Pass | State |
| 2024-10-30 | UNITED STATES SUGAR SAVANNAH REFINERY — high-priority violation on file | PORT WENTWORTH, Chatham, GA | Pass | State |
| 2024-10-30 | UNITED STATES SUGAR SAVANNAH REFINERY — high-priority violation on file | PORT WENTWORTH, Chatham, GA | Pass | State |
| 2024-10-30 | UNITED STATES SUGAR SAVANNAH REFINERY — high-priority violation on file | PORT WENTWORTH, Chatham, GA | Pass | State |
| 2024-10-30 | UNITED STATES SUGAR SAVANNAH REFINERY — high-priority violation on file | PORT WENTWORTH, Chatham, GA | Pass | State |
| 2024-10-30 | GLEN-GERY CORPORATION | ADEL (HISTORICAL), Dallas, IA | Pass | State |
| 2024-10-30 | VALERO RENEWABLE FUELS CO LLC-FT DODGE | FORT DODGE, Webster, IA | Pass | State |
| 2024-10-30 | VALERO RENEWABLE FUELS CO LLC-FT DODGE | FORT DODGE, Webster, IA | Pass | State |
| 2024-10-30 | POET BIOREFINING - HANLONTOWN | HANLONTOWN, Worth, IA | Pass | State |
| 2024-10-30 | POET BIOREFINING - HANLONTOWN | HANLONTOWN, Worth, IA | Pass | State |
| 2024-10-30 | SUPERIOR ALUMINUM ALLOYS LLC — high-priority violation on file | NEW HAVEN, Allen, IN | Pass | State |
| 2024-10-30 | SUPERIOR ALUMINUM ALLOYS LLC — high-priority violation on file | NEW HAVEN, Allen, IN | Pass | State |
| 2024-10-30 | SUPERIOR ALUMINUM ALLOYS LLC — high-priority violation on file | NEW HAVEN, Allen, IN | Pass | State |
| 2024-10-30 | SUPERIOR ALUMINUM ALLOYS LLC — high-priority violation on file | NEW HAVEN, Allen, IN | Pass | State |
| 2024-10-30 | SUPERIOR ALUMINUM ALLOYS LLC — high-priority violation on file | NEW HAVEN, Allen, IN | Pass | State |
| 2024-10-30 | NORTH VERNON INDUSTRY CORPORATION | NORTH VERNON, Jennings, IN | Pass | State |
| 2024-10-30 | NORTH VERNON INDUSTRY CORPORATION | NORTH VERNON, Jennings, IN | Pass | State |
| 2024-10-30 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | BURNS HARBOR, Porter, IN | Pass | State |
| 2024-10-30 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | BURNS HARBOR, Porter, IN | Pass | State |
| 2024-10-30 | SAFRAN LANDING SYSTEMS KENTUCKY LLC | WALTON, Boone, KY | Pass | State |
| 2024-10-30 | SAFRAN LANDING SYSTEMS KENTUCKY LLC | WALTON, Boone, KY | Pass | State |
| 2024-10-30 | SWEET LAKE FIELD FACILITY | CAMERON, Cameron, LA | Pass | State |
| 2024-10-30 | BLACK BAY CENTRAL FACILITY | PORT SULPHUR, Plaquemines, LA | Pass | State |
| 2024-10-30 | VIKING GAS TRANSMISSION CO - ADA COMPRESSOR STATION | ADA, Norman, MN | Pass | State |
| 2024-10-30 | EMERY SAPP AND SONS-SPRINGFIELD PLANT | SPRINGFIELD, Greene, MO | Pass | State |
| 2024-10-30 | CORNING INCORPORATED - MIDLAND | MIDLAND, Cabarrus, NC | Pass | State |
| 2024-10-30 | CORNING INCORPORATED - MIDLAND | MIDLAND, Cabarrus, NC | Pass | State |
| 2024-10-30 | BASIN ELECTRIC POWER COOPERATIVE - PIONEER GENERATION STATION - AQ | WILLISTON, Williams, ND | Pass | State |
| 2024-10-30 | SALT DRAW 10 STATE COM BATTERY | MALAGA, Eddy, NM | Pass | State |
| 2024-10-30 | SALT DRAW 10 STATE COM BATTERY | MALAGA, Eddy, NM | Pass | State |
| 2024-10-30 | TATER TOT 2 CTB 5 | MALAGA, Eddy, NM | Pass | State |
| 2024-10-30 | TATER TOT 2 CTB 5 | MALAGA, Eddy, NM | Pass | State |
| 2024-10-30 | MCEWEN GOLD BAR MINE | EUREKA, Eureka, NV | Pass | State |
| 2024-10-30 | FORT CHURCHILL GENERATING STATION | YERINGTON, Lyon, NV | Pass | State |
| 2024-10-30 | SMOKY VALLEY COMMON OPERATION — high-priority violation on file | ROUND MOUNTAIN, Nye, NV | Pass | State |
| 2024-10-30 | GEORGIA PACIFIC GYPSUM, LLC | LAS VEGAS, Clark, NV | Pass | Local |
| 2024-10-30 | OWENS-BROCKWAY GLASS CONTAINER INC | AUBURN, Cayuga, NY | Pass | State |
| 2024-10-30 | SUNRISE CO-OP, CLARKSFIELD FACILITY | WAKEMAN, Huron, OH | Pass | State |
| 2024-10-30 | EQM OLYMPUS MIDSTREAM, LLC - TYGERR COMPRESSOR STATION | JACOBSBURG, Belmont, OH | Pass | State |
| 2024-10-30 | EQM OLYMPUS MIDSTREAM, LLC - TYGERR COMPRESSOR STATION | JACOBSBURG, Belmont, OH | Pass | State |
| 2024-10-30 | EQM OLYMPUS MIDSTREAM, LLC - TYGERR COMPRESSOR STATION | JACOBSBURG, Belmont, OH | Pass | State |
| 2024-10-30 | EQM OLYMPUS MIDSTREAM, LLC - TYGERR COMPRESSOR STATION | JACOBSBURG, Belmont, OH | Pass | State |
| 2024-10-30 | EQM OLYMPUS MIDSTREAM, LLC - TYGERR COMPRESSOR STATION | JACOBSBURG, Belmont, OH | Pass | State |
| 2024-10-30 | EQM OLYMPUS MIDSTREAM, LLC - TYGERR COMPRESSOR STATION | JACOBSBURG, Belmont, OH | Pass | State |
| 2024-10-30 | EQM OLYMPUS MIDSTREAM, LLC - TYGERR COMPRESSOR STATION | JACOBSBURG, Belmont, OH | Pass | State |
| 2024-10-30 | EQM OLYMPUS MIDSTREAM, LLC - TYGERR COMPRESSOR STATION | JACOBSBURG, Belmont, OH | Pass | State |
| 2024-10-30 | EQM OLYMPUS MIDSTREAM, LLC - TYGERR COMPRESSOR STATION | JACOBSBURG, Belmont, OH | Pass | State |
| 2024-10-30 | COTERRA ENERGY OPERATING CO / WATTS 1H 0136X FACILITY | WATONGA, Blaine, OK | Pass | State |
| 2024-10-30 | COTERRA ENERGY OPERATING CO / GODNICK TRUST 1 15H | CALUMET, Canadian, OK | Pass | State |
| 2024-10-30 | SOUTHERN STAR CTL GAS PIPELINE INC / BLACKWELL COMPRESSOR STATION — high-priority violation on file | BLACKWELL, Kay, OK | Pass | State |
| 2024-10-30 | FW MIDCON I LLC / JUANITA 1H 14X | OKARCHE, Kingfisher, OK | Pass | State |
| 2024-10-30 | COTERRA ENERGY OPERATING CO / LORETTA 1 25H FACILITY | OKARCHE, Kingfisher, OK | Pass | State |
| 2024-10-30 | ONEOK FIELD SERVICES CO LLC / HAY COMPRESSOR STATON | STRONG CITY, Roger Mills, OK | Pass | State |
| 2024-10-30 | DCP OPERATING CO LP / CROSSROADS COMPRESSOR STATION | MARLOW, Stephens, OK | Pass | State |
| 2024-10-30 | HEIDELBERG MATERIALS US CEMENT LLC/EVANSVILLE CEMENT PLT & Q — high-priority violation on file | FLEETWOOD, Berks, PA | Pass | State |
| 2024-10-30 | PA GEN ENERGY CO LLC/REED RUN STILL PAD A COMP STA — high-priority violation on file | SMETHPORT, McKean, PA | Pass | State |
| 2024-10-30 | CABOT OIL & GAS CORP/MAKOSKY T PAD 1 | KINGSLEY, Susquehanna, PA | Pass | State |
| 2024-10-30 | EXPAND OPERATING LLC/YVONNE SUS PAD | LAWTON, Susquehanna, PA | Pass | State |
| 2024-10-30 | POET BIOREFINING - GROTON | GROTON, Brown, SD | Pass | State |
| 2024-10-30 | ABERDEEN ENERGY, LLC — high-priority violation on file | MINA, Edmunds, SD | Pass | State |
| 2024-10-30 | AMAZON DATA SERVICES IAD-215 | ASHBURN, Loudoun, VA | Pass | State |
| 2024-10-30 | SIERRA PACIFIC IND.- SKAGIT LUMBER | MOUNT VERNON, Skagit, WA | Pass | Local |
| 2024-10-30 | EIGER MOUNTAIN CRUSHING | BREMERTON, Kitsap, WA | Pass | Local |
| 2024-10-30 | EIGER MOUNTAIN CRUSHING | BREMERTON, Kitsap, WA | Pass | Local |
| 2024-10-30 | HARDEL MUTUAL PLYWOOD CORPORATION — high-priority violation on file | CHEHALIS, Lewis, WA | Pass | Local |
| 2024-10-30 | DAIRYLAND POWER COOP ALMA SITE | ALMA, Buffalo, WI | Pass | State |
| 2024-10-30 | BRADY WORLDWIDE - FLORIST AVE PLT | GLENDALE, Monroe, WI | Pass | State |
| 2024-10-30 | CONSTELLIUM ROLLED PRODUCTS RAVENSWOOD, LLC, RAVENSWOOD | RAVENSWOOD, Jackson, WV | Pass | State |
| 2024-10-30 | WILLIAMS OHIO VALLEY MIDSTREAM LLC, OAK GROVE | MOUNDSVILLE, Marshall, WV | Pass | State |
| 2024-10-30 | ANTERO MIDSTREAM LLC, WEST MOUNTAIN STATION | PENNSBORO, Ritchie, WV | Pass | State |
| 2024-10-30 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-10-30 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-10-30 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-10-30 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-10-30 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-10-30 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-10-30 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-10-30 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-10-30 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-10-30 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-10-30 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-10-30 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-10-29 | EOG- CLARKS CREEK CENTRAL FACILITY | MANDAREE, McKenzie, ND | Pass | U.S. EPA |
| 2024-10-29 | EOG- CLARKS CREEK CENTRAL FACILITY | MANDAREE, McKenzie, ND | Pass | U.S. EPA |
| 2024-10-29 | EOG- CLARKS CREEK CENTRAL FACILITY | MANDAREE, McKenzie, ND | Pass | U.S. EPA |
| 2024-10-29 | EOG- CLARKS CREEK CENTRAL FACILITY | MANDAREE, McKenzie, ND | Pass | U.S. EPA |
| 2024-10-29 | EOG- CLARKS CREEK CENTRAL FACILITY | MANDAREE, McKenzie, ND | Pass | U.S. EPA |
| 2024-10-29 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | MARION JUNCTION, Dallas, AL | Pass | State |
| 2024-10-29 | CEMEX SOUTHEAST LLC | DEMOPOLIS, Marengo, AL | Pass | State |
| 2024-10-29 | CEMEX SOUTHEAST LLC | DEMOPOLIS, Marengo, AL | Pass | State |
| 2024-10-29 | WILLIAMS MOBILE BAY PRODUCER SERVICES, LLC | CODEN, Mobile, AL | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.