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 |
|---|---|---|---|---|
| 2023-12-06 | LIGNOTECH FLORIDA LLC | FERNANDINA BEACH, Nassau, FL | Pass | State |
| 2023-12-06 | LIGNOTECH FLORIDA LLC | FERNANDINA BEACH, Nassau, FL | Pass | State |
| 2023-12-06 | LIGNOTECH FLORIDA LLC | FERNANDINA BEACH, Nassau, FL | Pass | State |
| 2023-12-06 | LIGNOTECH FLORIDA LLC | FERNANDINA BEACH, Nassau, FL | Pass | State |
| 2023-12-06 | LIGNOTECH FLORIDA LLC | FERNANDINA BEACH, Nassau, FL | Pass | State |
| 2023-12-06 | SUGAR CANE GROWERS CO-OP | BELLE GLADE, Palm Beach, FL | Pass | State |
| 2023-12-06 | SUGAR CANE GROWERS CO-OP | BELLE GLADE, Palm Beach, FL | Pass | State |
| 2023-12-06 | SUGAR CANE GROWERS CO-OP | BELLE GLADE, Palm Beach, FL | Pass | State |
| 2023-12-06 | SUGAR CANE GROWERS CO-OP | BELLE GLADE, Palm Beach, FL | Pass | State |
| 2023-12-06 | SUGAR CANE GROWERS CO-OP | BELLE GLADE, Palm Beach, FL | Pass | State |
| 2023-12-06 | SUGAR CANE GROWERS CO-OP | BELLE GLADE, Palm Beach, FL | Pass | State |
| 2023-12-06 | SUGAR CANE GROWERS CO-OP | BELLE GLADE, Palm Beach, FL | Pass | State |
| 2023-12-06 | FLORIDA POWER & LIGHT COMPANY | PACE, Santa Rosa, FL | Pass | State |
| 2023-12-06 | FERIA EQUIPMENT RENTAL, INC., (MASCI) | EDGEWATER, Volusia, FL | Pass | State |
| 2023-12-06 | LX HAUSYS AMERICA, INC. — high-priority violation on file | ADAIRSVILLE, Gordon, GA | Pass | State |
| 2023-12-06 | LX HAUSYS AMERICA, INC. — high-priority violation on file | ADAIRSVILLE, Gordon, GA | Pass | State |
| 2023-12-06 | YKK AP AMERICA INC. | DUBLIN, Laurens, GA | Pass | State |
| 2023-12-06 | HECO - KAHE | KAPOLEI, Honolulu, HI | Pass | State |
| 2023-12-06 | LOUIS DREYFUS COMPANY GRAND JUNCTION, LLC | GRAND JUNCTION, Greene, IA | Pass | State |
| 2023-12-06 | LOUIS DREYFUS COMPANY GRAND JUNCTION, LLC | GRAND JUNCTION, Greene, IA | Pass | State |
| 2023-12-06 | VALERO RENEWABLE FUELS CO LLC-FT DODGE | FORT DODGE, Webster, IA | Pass | State |
| 2023-12-06 | 3M HARTFORD CITY | HARTFORD CITY, Blackford, IN | Pass | State |
| 2023-12-06 | 3M HARTFORD CITY | HARTFORD CITY, Blackford, IN | Pass | State |
| 2023-12-06 | 3M HARTFORD CITY | HARTFORD CITY, Blackford, IN | Pass | State |
| 2023-12-06 | MCPHERSON AREA SOLID WASTE TRANSFER STATION (AIR CURT CMB)(AIR) | MCPHERSON, McPherson, KS | Pass | State |
| 2023-12-06 | RECAST ENERGY LOUISVILLE, LLC | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2023-12-06 | CITY OF AUGUSTA - HATCH HILL LANDFILL | AUGUSTA, Kennebec, ME | Pass | State |
| 2023-12-06 | SAPPI NORTH AMERICA, INC. | SKOWHEGAN, Somerset, ME | Pass | State |
| 2023-12-06 | JBS PLAINWELL, INC. | PLAINWELL, Allegan, MI | Pass | State |
| 2023-12-06 | PINE TREE ACRES, INC. | LENOX TOWNSHIP, Macomb, MI | Pass | State |
| 2023-12-06 | THOMAS HILL ENERGY CENTER - POWER DIVISION | CLIFTON HILL, Randolph, MO | Pass | State |
| 2023-12-06 | VENTURE OIL AND GAS INC, HIWANNEE OPERATIONS — high-priority violation on file | WAYNESBORO, Wayne, MS | Pass | State |
| 2023-12-06 | VENTURE OIL AND GAS INC, HIWANNEE OPERATIONS — high-priority violation on file | WAYNESBORO, Wayne, MS | Pass | State |
| 2023-12-06 | VENTURE OIL AND GAS INC, HIWANNEE OPERATIONS — high-priority violation on file | WAYNESBORO, Wayne, MS | Pass | State |
| 2023-12-06 | MATEENBAR COMPOSITE REINFORCEMENTS, LLC | CONCORD, Cabarrus, NC | Pass | State |
| 2023-12-06 | UWHARRIE MOUNTAIN RENEWABLE ENERGY, LLC | MOUNT GILEAD, Montgomery, NC | Pass | State |
| 2023-12-06 | AGP SOY PROCESSING — high-priority violation on file | HASTINGS, Adams, NE | N/A | State |
| 2023-12-06 | GREEN PLAINS CENTRAL CITY LLC — high-priority violation on file | CENTRAL CITY, Merrick, NE | N/A | State |
| 2023-12-06 | PADUCA BREAKS CENTRAL GATHERING FACILITY | JAL, Lea, NM | Pass | State |
| 2023-12-06 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2023-12-06 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2023-12-06 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2023-12-06 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2023-12-06 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2023-12-06 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2023-12-06 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2023-12-06 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2023-12-06 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2023-12-06 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2023-12-06 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2023-12-06 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2023-12-06 | ASCENT RESOURCES - UTICA LLC - CLUB SMF JF | ADENA, Jefferson, OH | Pass | State |
| 2023-12-06 | ASCENT RESOURCES - UTICA LLC - CLUB SMF JF | ADENA, Jefferson, OH | Pass | State |
| 2023-12-06 | ASCENT RESOURCES - UTICA LLC - CLUB SMF JF | ADENA, Jefferson, OH | Pass | State |
| 2023-12-06 | ASCENT RESOURCES - UTICA LLC - THOMPSON SMF JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2023-12-06 | ASCENT RESOURCES - UTICA LLC - THOMPSON SMF JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2023-12-06 | ASCENT RESOURCES - UTICA LLC - THOMPSON SMF JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2023-12-06 | UNIVERSITY OF CINCINNATI | CINCINNATI, Hamilton, OH | Pass | State |
| 2023-12-06 | UNIVERSITY OF CINCINNATI | CINCINNATI, Hamilton, OH | Pass | State |
| 2023-12-06 | UNIVERSITY OF CINCINNATI | CINCINNATI, Hamilton, OH | Pass | State |
| 2023-12-06 | UNIVERSITY OF CINCINNATI | CINCINNATI, Hamilton, OH | Pass | State |
| 2023-12-06 | BCE MACH LLC / PARR 1 25H STA | AMORITA, Alfalfa, OK | Pass | State |
| 2023-12-06 | BCE MACH LLC / PARR 1 25H STA | AMORITA, Alfalfa, OK | Pass | State |
| 2023-12-06 | BCE MACH LLC / BALDWIN TRUST 35-26-12 1H STATION | CHEROKEE, Alfalfa, OK | Pass | State |
| 2023-12-06 | BCE MACH II LLC / TIPTON 21 11 25 10H TIPTON 28 11 25 1H | SWEETWATER, Beckham, OK | Pass | State |
| 2023-12-06 | BCE MACH II LLC / TIPTON 20 11 25 12H TIPTON 29 11 25 3H | SWEETWATER, Beckham, OK | Pass | State |
| 2023-12-06 | BCE MACH II LLC / COX 34 11 25 12H | SWEETWATER, Beckham, OK | Pass | State |
| 2023-12-06 | TARGA PIPELINE MIDCONTINENT LLC / MATHEWS COMPRESSOR STATION | WILSON, Carter, OK | Pass | State |
| 2023-12-06 | TARGA PIPELINE MIDCONTINENT LLC / MATHEWS COMPRESSOR STATION | WILSON, Carter, OK | Pass | State |
| 2023-12-06 | BCE MACH III LLC / EHU 268 271HO PAD | HENNESSEY, Kingfisher, OK | Pass | State |
| 2023-12-06 | BCE MACH III LLC / LEWIS 25 18 7 2HO PAD | DOVER, Kingfisher, OK | Pass | State |
| 2023-12-06 | ET GATHERING PROCESSING LLC / DIBBLE COMPRESSOR STATION | DIBBLE, McClain, OK | Pass | State |
| 2023-12-06 | ET GATHERING PROCESSING LLC / DIBBLE COMPRESSOR STATION | DIBBLE, McClain, OK | Pass | State |
| 2023-12-06 | ET GATHERING PROCESSING LLC / DIBBLE COMPRESSOR STATION | DIBBLE, McClain, OK | Pass | State |
| 2023-12-06 | ET GATHERING PROCESSING LLC / DIBBLE COMPRESSOR STATION | DIBBLE, McClain, OK | Pass | State |
| 2023-12-06 | MARKWEST OKLAHOMA GAS CO LLC / MYER MOUNTAIN COMPRESSOR STATION — high-priority violation on file | SCIPIO, Pittsburg, OK | Pass | State |
| 2023-12-06 | MARKWEST OKLAHOMA GAS CO LLC / MYER MOUNTAIN COMPRESSOR STATION — high-priority violation on file | SCIPIO, Pittsburg, OK | Pass | State |
| 2023-12-06 | TRANSCONTINENTAL GAS/FRAZER STA 200 | MALVERN, Chester, PA | Pass | State |
| 2023-12-06 | REGENCY MARCELLUS GAS GATHERING LLC/TAYLOR COMP STA | CANTON, Bradford, PA | Pass | State |
| 2023-12-06 | NFG MIDSTREAM COVINGTON LLC/FULLER 826N WELL PAD | MIDDLEBURY, Tioga, PA | Pass | State |
| 2023-12-06 | AMERESCO FEDERAL SOLUTIONS | AIKEN, Aiken, SC | Pass | State |
| 2023-12-06 | EASTMAN PERFORMANCE FILMS LLC - FIELDALE | FIELDALE, Henry, VA | Pass | State |
| 2023-12-06 | PHILLIPS 66 | FERNDALE, Whatcom, WA | Pass | Local |
| 2023-12-06 | DTM APPALACHIA GATHERING, LLC, MEPCO COMPRESSOR | MAIDSVILLE, Monongalia, WV | Pass | State |
| 2023-12-05 | FLORIDA GAS TRANSMISSION CO | MOUNT VERNON, Mobile, AL | Pass | State |
| 2023-12-05 | JOHNS MANVILLE INC. | PHENIX CITY, Russell, AL | Pass | State |
| 2023-12-05 | NUCOR STEEL BIRMINGHAM,INC. | BIRMINGHAM, Jefferson, AL | Pass | Local |
| 2023-12-05 | ALBEMARLE CORPORATION - WEST PLANT | MAGNOLIA, Columbia, AR | Pass | State |
| 2023-12-05 | DESOTO GATHERING COMPANY, LLC - SOUTH RAINBOW | CENTER RIDGE, Conway, AR | Pass | State |
| 2023-12-05 | DESOTO GATHERING COMPANY, LLC - SOUTH RAINBOW | CENTER RIDGE, Conway, AR | Pass | State |
| 2023-12-05 | SACRAMENTO MUNICIPAL UTILITY DIST. FINANCING AUTHORITY DBA CAMPBELL POWER PLANT | SACRAMENTO, Sacramento, CA | Pass | Local |
| 2023-12-05 | PASADENA CITY, DWP (EIS USE) | PASADENA, Los Angeles, CA | Pass | Local |
| 2023-12-05 | AIR PRODUCTS AND CHEMICALS INC | WILMINGTON, Los Angeles, CA | Pass | Local |
| 2023-12-05 | NAFTEX OPERATING CO-PORTALS PETRO LEASE — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-05 | NAFTEX OPERATING CO-PORTALS PETRO LEASE — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-05 | CALIFORNIA RESOURCES PRODUCTION CORP | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-05 | CALIFORNIA RESOURCES PRODUCTION CORP | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-05 | CALIFORNIA RESOURCES PRODUCTION CORP | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-05 | CALIFORNIA RESOURCES PRODUCTION CORP | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-05 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.