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 |
|---|---|---|---|---|
| 2023-09-21 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2023-09-21 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2023-09-21 | BUCKEYE TERMINALS LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2023-09-21 | BUCKEYE TERMINALS LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2023-09-21 | BUCKEYE TERMINALS LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2023-09-21 | BUCKEYE TERMINALS LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2023-09-21 | CONAGRA FOODS (FORMERLY HUNT WESSON) | OAKDALE, Stanislaus, CA | Pass | Local |
| 2023-09-21 | CONAGRA FOODS (FORMERLY HUNT WESSON) | OAKDALE, Stanislaus, CA | Pass | Local |
| 2023-09-21 | CONAGRA FOODS (FORMERLY HUNT WESSON) | OAKDALE, Stanislaus, CA | Pass | Local |
| 2023-09-21 | CONAGRA FOODS (FORMERLY HUNT WESSON) | OAKDALE, Stanislaus, CA | Pass | Local |
| 2023-09-21 | CONAGRA FOODS (FORMERLY HUNT WESSON) | OAKDALE, Stanislaus, CA | Pass | Local |
| 2023-09-21 | CONAGRA FOODS (FORMERLY HUNT WESSON) | OAKDALE, Stanislaus, CA | Pass | Local |
| 2023-09-21 | EAST SHORE WATER POLL ABATEMENT FACILITY | NEW HAVEN, New Haven, CT | Pass | State |
| 2023-09-21 | GENERAL ELECTRIC COMPANY, GE AVIATION NEWARK, DELAWARE | NEWARK, New Castle, DE | Pass | State |
| 2023-09-21 | FLORIDA POWER & LIGHT COMPANY | LYNN HAVEN, Bay, FL | Pass | State |
| 2023-09-21 | HOMESTEAD ENERGY SERVICES | HOMESTEAD, Miami-Dade, FL | Pass | State |
| 2023-09-21 | CEMEX CONSTRUCTION MATERIALS FLORIDA,LLC | BROOKSVILLE, Hernando, FL | Pass | State |
| 2023-09-21 | CEMEX CONSTRUCTION MATERIALS FLORIDA,LLC | BROOKSVILLE, Hernando, FL | Pass | State |
| 2023-09-21 | SEMINOLE ELECTRIC COOPERATIVE, INC. | PALATKA, Putnam, FL | Pass | State |
| 2023-09-21 | SEMINOLE ELECTRIC COOPERATIVE, INC. | PALATKA, Putnam, FL | Pass | State |
| 2023-09-21 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2023-09-21 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2023-09-21 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2023-09-21 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2023-09-21 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2023-09-21 | ANCHOR GLASS CONTAINER CORPORATION - WARNER ROBINS PLANT — high-priority violation on file | WARNER ROBINS, Houston, GA | Pass | State |
| 2023-09-21 | ANCHOR GLASS CONTAINER CORPORATION - WARNER ROBINS PLANT — high-priority violation on file | WARNER ROBINS, Houston, GA | Pass | State |
| 2023-09-21 | BEASLEY FOREST PRODUCTS, INC. | HAZLEHURST, Jeff Davis, GA | Pass | State |
| 2023-09-21 | ASAMA COLDWATER MANUFACTURING GEORGIA | WARRENTON, Warren, GA | Pass | State |
| 2023-09-21 | NICOR GAS | ANCONA, Livingston, IL | Pass | State |
| 2023-09-21 | GRANITE CITY WORKS OF UNITED STATES STEEL CORP — high-priority violation on file | GRANITE CITY, Madison, IL | Pass | State |
| 2023-09-21 | DUKE ENERGY INDIANA LLC - GIBSON GENERATING STATION | OWENSVILLE, Gibson, IN | Pass | State |
| 2023-09-21 | SVC MANUFACTURING INC | INDIANAPOLIS, Marion, IN | Pass | State |
| 2023-09-21 | SVC MANUFACTURING INC | INDIANAPOLIS, Marion, IN | Pass | State |
| 2023-09-21 | SVC MANUFACTURING INC | INDIANAPOLIS, Marion, IN | Pass | State |
| 2023-09-21 | SVC MANUFACTURING INC | INDIANAPOLIS, Marion, IN | Pass | State |
| 2023-09-21 | SVC MANUFACTURING INC | INDIANAPOLIS, Marion, IN | Pass | State |
| 2023-09-21 | SVC MANUFACTURING INC | INDIANAPOLIS, Marion, IN | Pass | State |
| 2023-09-21 | SVC MANUFACTURING INC | INDIANAPOLIS, Marion, IN | Pass | State |
| 2023-09-21 | SVC MANUFACTURING INC | INDIANAPOLIS, Marion, IN | Pass | State |
| 2023-09-21 | SVC MANUFACTURING INC | INDIANAPOLIS, Marion, IN | Pass | State |
| 2023-09-21 | SVC MANUFACTURING INC | INDIANAPOLIS, Marion, IN | Pass | State |
| 2023-09-21 | SVC MANUFACTURING INC | INDIANAPOLIS, Marion, IN | Pass | State |
| 2023-09-21 | SVC MANUFACTURING INC | INDIANAPOLIS, Marion, IN | Pass | State |
| 2023-09-21 | BCI SOLUTIONS INCORPORATED | BREMEN, Marshall, IN | Pass | State |
| 2023-09-21 | ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file | NEWBURGH, Warrick, IN | Pass | State |
| 2023-09-21 | AMERICAN SYNTHETIC RUBBER COMPANY — high-priority violation on file | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2023-09-21 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | CHINA, St. Clair, MI | Pass | State |
| 2023-09-21 | CMS GENERATION KALAMAZOO RIVER GENERATING STATION | COMSTOCK TOWNSHIP, Kalamazoo, MI | Pass | State |
| 2023-09-21 | WASTE MANAGEMENT - MAPLE GROVE TRANSFER STATION | MAPLE GROVE, Hennepin, MN | Pass | State |
| 2023-09-21 | ARDAGH GLASS INC. | PEVELY, Jefferson, MO | Pass | State |
| 2023-09-21 | OIL DRI PRODUCTION COMPANY | RIPLEY, Tippah, MS | Pass | State |
| 2023-09-21 | OIL DRI PRODUCTION COMPANY | RIPLEY, Tippah, MS | Pass | State |
| 2023-09-21 | CHUCK'S CONSTRUCTION MINE | CALABASH, Brunswick, NC | Pass | State |
| 2023-09-21 | DIMENSIONS 6 SECTION 8 GAS SALES COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2023-09-21 | CARRACAS CDP COMPRESSOR STATION | BLANCO, Rio Arriba, NM | Pass | State |
| 2023-09-21 | SENECA STONE CORP | FAYETTE, Seneca, NY | Pass | State |
| 2023-09-21 | GFS CHEMICALS INC | COLUMBUS, Franklin, OH | Fail | State |
| 2023-09-21 | GFS CHEMICALS INC | COLUMBUS, Franklin, OH | Pass | State |
| 2023-09-21 | GFS CHEMICALS INC | COLUMBUS, Franklin, OH | Pass | State |
| 2023-09-21 | GFS CHEMICALS INC | COLUMBUS, Franklin, OH | Pass | State |
| 2023-09-21 | GFS CHEMICALS INC | COLUMBUS, Franklin, OH | Pass | State |
| 2023-09-21 | CLEAN ENERGY FUTURE - LORDSTOWN, LLC | LORDSTOWN, Trumbull, OH | Pass | State |
| 2023-09-21 | CLEAN ENERGY FUTURE - LORDSTOWN, LLC | LORDSTOWN, Trumbull, OH | Pass | State |
| 2023-09-21 | ASCENT RESOURCES - UTICA, LLC - CROSS CREEK A | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2023-09-21 | ASCENT RESOURCES - UTICA, LLC - CROSS CREEK A | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2023-09-21 | ASCENT RESOURCES - UTICA, LLC - CROSS CREEK A | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2023-09-21 | ASCENT RESOURCES - UTICA LLC - GORDON CRC JF | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2023-09-21 | ASCENT RESOURCES - UTICA LLC - GORDON CRC JF | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2023-09-21 | ASCENT RESOURCES - UTICA LLC - GORDON CRC JF | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2023-09-21 | CANTON ASPHALT COMPANY | BOLIVAR, Tuscarawas, OH | Pass | State |
| 2023-09-21 | CANTON ASPHALT COMPANY | BOLIVAR, Tuscarawas, OH | Pass | State |
| 2023-09-21 | PFB MANUFACTURING, LLC | LEBANON, Warren, OH | Pass | State |
| 2023-09-21 | PFB MANUFACTURING, LLC | LEBANON, Warren, OH | Pass | State |
| 2023-09-21 | PFB MANUFACTURING, LLC | LEBANON, Warren, OH | Pass | State |
| 2023-09-21 | PFB MANUFACTURING, LLC | LEBANON, Warren, OH | Pass | State |
| 2023-09-21 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / ROBINSON COMPRESSOR STATION | CANTON, Dewey, OK | Pass | State |
| 2023-09-21 | ET GATHERING PROCESSING LLC / BISHOP 2 COMPRESSOR STATION | ARNETT, Ellis, OK | Pass | State |
| 2023-09-21 | ET GATHERING PROCESSING LLC / BISHOP 2 COMPRESSOR STATION | ARNETT, Ellis, OK | Pass | State |
| 2023-09-21 | COLUMBIA GAS TRANS LLC/ARTEMAS COMP STA | ARTEMAS, Bedford, PA | Fail | State |
| 2023-09-21 | WILLIAMS FIELD SVC CO LLC/LATHROP COMP STA | SPRINGVILLE, Susquehanna, PA | Pass | State |
| 2023-09-21 | REGENCY MARCELLUS GAS GATHERING LLC/MEHOOPANY STA | TUNKHANNOCK, Wyoming, PA | Pass | State |
| 2023-09-21 | ALLEGHENY ENERGY SUPPLY/SPRINGDALE | PITTSBURGH, Allegheny, PA | Pass | Local |
| 2023-09-21 | CENTURY ALUMINUM OF SOUTH CAROLINA INC — high-priority violation on file | GOOSE CREEK, Berkeley, SC | Fail | State |
| 2023-09-21 | CENTURY ALUMINUM OF SOUTH CAROLINA INC — high-priority violation on file | GOOSE CREEK, Berkeley, SC | Pass | State |
| 2023-09-21 | U.S. ENERGY NORTH AUGUSTA TERMINAL | N AUGUSTA, Aiken, SC | Pass | State |
| 2023-09-21 | BASF CORPORATION SENECA SITE | SENECA, Oconee, SC | Pass | State |
| 2023-09-21 | VISKASE COMPANIES LLC | LOUDON, Loudon, TN | Pass | State |
| 2023-09-21 | NORTHWEST PIPELINE LLC- MOUNT VERNON | MOUNT VERNON, Skagit, WA | Pass | Local |
| 2023-09-21 | POST POINT WWTP SEWAGE SLUDGE INCINERATOR — high-priority violation on file | WHATCOM COUNTY, Whatcom, WA | Pass | Local |
| 2023-09-21 | LANXESS CORPORATION — high-priority violation on file | KALAMA, Cowlitz, WA | Pass | Local |
| 2023-09-21 | GRAYMONT (WI) LLC — high-priority violation on file | SUPERIOR, Douglas, WI | Pass | State |
| 2023-09-21 | HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-09-21 | HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-09-21 | 50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-09-21 | 50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-09-21 | 50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-09-21 | 50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-09-21 | 50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-09-21 | 50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.