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 |
|---|---|---|---|---|
| 2023-12-07 | US STEEL CORPORATION GARY WORKS — high-priority violation on file | GARY, Lake, IN | Pass | State |
| 2023-12-07 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2023-12-07 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2023-12-07 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2023-12-07 | RECAST ENERGY LOUISVILLE, LLC | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2023-12-07 | SABINE PASS LNG LP AND SABINE PASS LIQUEFACTION LLC - SABINE PASS LNG TERMINAL | CAMERON, Cameron, LA | Pass | State |
| 2023-12-07 | NORTHERN NATURAL GAS CO - OWATONNA COMPRESSOR STATION | ELLENDALE, Steele, MN | Pass | State |
| 2023-12-07 | VISION RNG | BOWLING GREEN, Pike, MO | Pass | State |
| 2023-12-07 | VISION RNG | BOWLING GREEN, Pike, MO | Pass | State |
| 2023-12-07 | BLUE MOUNTAIN PRODUCTION COMPANY, TAYLOR AND PLANT PROPERTY MINE | BLUE MOUNTAI, Tippah, MS | Pass | State |
| 2023-12-07 | BLUE MOUNTAIN PRODUCTION COMPANY, TAYLOR AND PLANT PROPERTY MINE | BLUE MOUNTAI, Tippah, MS | Pass | State |
| 2023-12-07 | DAVIDSON GAS PRODUCERS, LLC - DAVIDSON CO. LANDFILL | LEXINGTON, Davidson, NC | Pass | State |
| 2023-12-07 | CAROLINA STALITE COMPANY | GOLD HILL, Rowan, NC | Pass | State |
| 2023-12-07 | WHOMPING WILLOW CTB AND COMPRESSOR BOOSTER STATION | MALAGA, Eddy, NM | Pass | State |
| 2023-12-07 | MEMORIAL SLOAN KETTERING CANCER CENTER | NEW YORK, New York, NY | Pass | State |
| 2023-12-07 | COLGATE UNIVERSITY | HAMILTON, Madison, NY | Pass | State |
| 2023-12-07 | WIN WASTE INNOVATIONS OF SENECA COUNTY | FOSTORIA, Seneca, OH | Pass | State |
| 2023-12-07 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2023-12-07 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2023-12-07 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2023-12-07 | ASCENT RESOURCES - UTICA LLC - PORTERFIELD WELL PAD | WASHINGTON, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-12-07 | ASCENT RESOURCES - UTICA LLC - PORTERFIELD WELL PAD | WASHINGTON, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-12-07 | ASCENT RESOURCES - UTICA LLC - PORTERFIELD WELL PAD | WASHINGTON, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2023-12-07 | ASCENT RESOURCES - UTICA LLC - EMERSYN RCH BL WELL PAD | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-12-07 | ASCENT RESOURCES - UTICA LLC - EMERSYN RCH BL WELL PAD | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-12-07 | ASCENT RESOURCES - UTICA LLC - EMERSYN RCH BL WELL PAD | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-12-07 | ET GATHERING PROCESSING LLC / UDORA COMPRESSOR STATION | WATONGA, Blaine, OK | Pass | State |
| 2023-12-07 | ET GATHERING PROCESSING LLC / UDORA COMPRESSOR STATION | WATONGA, Blaine, OK | Pass | State |
| 2023-12-07 | TARGA PIPELINE MIDCONTINENT LLC / GRAHAM COMPRESSOR STATION | GRAHAM, Carter, OK | Pass | State |
| 2023-12-07 | TARGA PIPELINE MIDCONTINENT LLC / MATHEWS COMPRESSOR STATION | WILSON, Carter, OK | Pass | State |
| 2023-12-07 | CONTINENTAL RESOURCES / PLAINVIEW 2 30 19XHW | ALEX, Grady, OK | Pass | State |
| 2023-12-07 | MARKWEST OKLAHOMA GAS CO LLC / STUART SOUTH COMPRESSOR STATION | STUART, Hughes, OK | Pass | State |
| 2023-12-07 | CHISHOLM OIL AND GAS OPERATING LLC / THAMIN 19 08 36 1H | HENNESSEY, Kingfisher, OK | Pass | State |
| 2023-12-07 | FW MIDCON I LLC / HARMON 1H 31XR | DIBBLE, McClain, OK | Pass | State |
| 2023-12-07 | TALL OAK WOODFORD LLC / SOLERA COMPRESSOR FACILITY | MCALESTER, Pittsburg, OK | Pass | State |
| 2023-12-07 | TALL OAK WOODFORD LLC / SOLERA COMPRESSOR FACILITY | MCALESTER, Pittsburg, OK | Pass | State |
| 2023-12-07 | BCE MACH II LLC / CHARGING HAWK 1H 4 OIL AND GAS PRODUCT | SWEETWATER, Roger Mills, OK | Pass | State |
| 2023-12-07 | BCE MACH III LLC / ROWLAN 2 4 4 4 | CANUTE, Washita, OK | Pass | State |
| 2023-12-07 | ET GATHERING PROCESSING LLC / REDHORSE COMPRESSOR STATION | ALVA, Woods, OK | Pass | State |
| 2023-12-07 | ET GATHERING PROCESSING LLC / AVARD COMPRESSOR STATION | AVARD, Woods, OK | Pass | State |
| 2023-12-07 | GREATER HAZLETON JT SEW AUTH/WEST HAZLETON STP — high-priority violation on file | WEST HAZLETON, Luzerne, PA | Fail | State |
| 2023-12-07 | GREATER HAZLETON JT SEW AUTH/WEST HAZLETON STP — high-priority violation on file | WEST HAZLETON, Luzerne, PA | Pending | State |
| 2023-12-07 | EXPAND OPER LLC/GU-N HEBDA VANDEMARK PAD | LACEYVILLE, Bradford, PA | Pass | State |
| 2023-12-07 | NFG MIDSTREAM COVINGTON LLC/GEE 848 WELL PAD | MIDDLEBURY CENTER, Tioga, PA | Pass | State |
| 2023-12-07 | CROWN BEVERAGE PACKAGING | CHERAW, Chesterfield, SC | Pass | State |
| 2023-12-07 | CHINA JUSHI USA CORPORATION — high-priority violation on file | COLUMBIA, Richland, SC | Pass | State |
| 2023-12-07 | BI-COUNTY GAS PRODUCERS, LLC | WOODLAWN, Montgomery, TN | Pass | State |
| 2023-12-07 | HILL AIR FORCE BASE | CLEARFIELD, Davis, UT | Pass | State |
| 2023-12-07 | DOMINION ENERGY - VIRGINIA CITY HYBRID ENERGY CENTER | ST PAUL, Wise, VA | Pass | State |
| 2023-12-07 | WESTROCK VIRGINIA LLC - COVINGTON | COVINGTON, Covington (city), VA | Pass | State |
| 2023-12-07 | TRANSALTA CENTRALIA GENERATION, LLC — high-priority violation on file | CENTRALIA, Lewis, WA | Pass | Local |
| 2023-12-07 | MONONGAHELA POWER COMPANY, HARRISON STATION | HAYWOOD, Harrison, WV | Pass | State |
| 2023-12-07 | MONONGAHELA POWER COMPANY, HARRISON STATION | HAYWOOD, Harrison, WV | Pass | State |
| 2023-12-06 | HUNT REFINING COMPANY | TUSCALOOSA, Tuscaloosa, AL | Pass | State |
| 2023-12-06 | DESOTO GATHEIRNG COMPANY, LLC - GRAVEL HILL CPF-2 | CLEVELAND (HISTORICAL), TOWNSHIP OF, Van Buren, AR | Pass | State |
| 2023-12-06 | INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2023-12-06 | LA CITY DWP- VALLEY GENERATING STN | SUN VALLEY, Los Angeles, CA | Pass | Local |
| 2023-12-06 | LUNDAY-THAGARD CO DBA WORLD OIL REFINING — high-priority violation on file | SOUTH GATE, Los Angeles, CA | Pass | Local |
| 2023-12-06 | LUNDAY-THAGARD CO DBA WORLD OIL REFINING — high-priority violation on file | SOUTH GATE, Los Angeles, CA | Pass | Local |
| 2023-12-06 | AIR PRODUCTS AND CHEMICALS INC | WILMINGTON, Los Angeles, CA | Pass | Local |
| 2023-12-06 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-12-06 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-12-06 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-12-06 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-12-06 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-12-06 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-12-06 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-06 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-06 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-06 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-06 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-06 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-06 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-06 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-06 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-06 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-06 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-12-06 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-12-06 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-12-06 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-12-06 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-12-06 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-12-06 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-12-06 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-12-06 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-12-06 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-12-06 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-12-06 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-12-06 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-12-06 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-12-06 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-12-06 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-12-06 | WILLIAMS FIELD - WILLOW CREEK GAS PLANT — high-priority violation on file | RIO BLANCO 18 MILES W OF, Rio Blanco, CO | Pass | State |
| 2023-12-06 | WILLIAMS FIELD - WILLOW CREEK GAS PLANT — high-priority violation on file | RIO BLANCO 18 MILES W OF, Rio Blanco, CO | Pass | State |
| 2023-12-06 | WILLIAMS FIELD - WILLOW CREEK GAS PLANT — high-priority violation on file | RIO BLANCO 18 MILES W OF, Rio Blanco, CO | Pass | State |
| 2023-12-06 | CITY OF WATERBURY WPCF | WATERBURY, New Haven, CT | Pass | State |
| 2023-12-06 | TPSI TERMINALS LLC | FORT LAUDERDALE, Broward, FL | Pass | State |
| 2023-12-06 | WASTE MANAGEMENT INC. OF FLORIDA | POMPANO BEACH, Broward, FL | Pass | State |
| 2023-12-06 | JOHNSON & JOHNSON VISION CARE, INC. | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-12-06 | LIGNOTECH FLORIDA LLC | FERNANDINA BEACH, Nassau, FL | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register and their stack tests in 2023. It lists 26,911 stack tests recorded nationwide in 2023.