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 |
|---|---|---|---|---|
| 2024-12-11 | INTERNATIONAL PAPER | PINE HILL, Wilcox, AL | Pass | State |
| 2024-12-11 | ALBEMARLE CORPORATION - WEST PLANT | MAGNOLIA, Columbia, AR | Pass | State |
| 2024-12-11 | DOMTAR A.W. LLC - ASHDOWN MILL — high-priority violation on file | ASHDOWN, Little River, AR | Pass | State |
| 2024-12-11 | DOMTAR A.W. LLC - ASHDOWN MILL — high-priority violation on file | ASHDOWN, Little River, AR | Pass | State |
| 2024-12-11 | DESOTO GATHERING COMPANY, LLC - MIDGE CPF-2 | PANGBURN, White, AR | Pass | State |
| 2024-12-11 | DESOTO GATHERING COMPANY, LLC - MIDGE CPF-2 | PANGBURN, White, AR | Pass | State |
| 2024-12-11 | FNF BANTA MATERIAL SOURCE | TEMPE, Maricopa, AZ | Pass | State |
| 2024-12-11 | AERA ENERGY LLC | SAN ARDO, Monterey, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-11 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | KERN COUNTY, Kern, CA | Pass | Local |
| 2024-12-11 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | KERN COUNTY, Kern, CA | Pass | Local |
| 2024-12-11 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | KERN COUNTY, Kern, CA | Pass | Local |
| 2024-12-11 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | KERN COUNTY, Kern, CA | Pass | Local |
| 2024-12-11 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | KERN COUNTY, Kern, CA | Pass | Local |
| 2024-12-11 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | KERN COUNTY, Kern, CA | Pass | Local |
| 2024-12-11 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | KERN COUNTY, Kern, CA | Pass | Local |
| 2024-12-11 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | KERN COUNTY, Kern, CA | Pass | Local |
| 2024-12-11 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | KERN COUNTY, Kern, CA | Pass | Local |
| 2024-12-11 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | KERN COUNTY, Kern, CA | Pass | Local |
| 2024-12-11 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | KERN COUNTY, Kern, CA | Pass | Local |
| 2024-12-11 | PROCTER & GAMBLE PAPER PRODUCTS — high-priority violation on file | OXNARD, Ventura, CA | Pass | Local |
| 2024-12-11 | WASTE MANAGEMENT - DENVER ARAPAHOE DISPO | AURORA, Arapahoe, CO | Pass | State |
| 2024-12-11 | KRAFT HEINZ FOODS COMPANY | JACKSONVILLE, Duval, FL | Pass | State |
| 2024-12-11 | BUCKEYE TERMINALS, LLC | TAMPA, Hillsborough, FL | Pass | State |
| 2024-12-11 | ORLANDO UTILITIES COMMISSION | ORLANDO, Orange, FL | Pass | State |
| 2024-12-11 | WASTE CONNECTIONS OF OSCEOLA COUNTY, LLC | SAINT CLOUD, Osceola, FL | Pass | State |
| 2024-12-11 | WASTE CONNECTIONS OF OSCEOLA COUNTY, LLC | SAINT CLOUD, Osceola, FL | Pass | State |
| 2024-12-11 | WASTE CONNECTIONS OF OSCEOLA COUNTY, LLC | SAINT CLOUD, Osceola, FL | Pass | State |
| 2024-12-11 | WASTE CONNECTIONS OF OSCEOLA COUNTY, LLC | SAINT CLOUD, Osceola, FL | Pass | State |
| 2024-12-11 | WASTE CONNECTIONS OF OSCEOLA COUNTY, LLC | SAINT CLOUD, Osceola, FL | Pass | State |
| 2024-12-11 | WASTE CONNECTIONS OF OSCEOLA COUNTY, LLC | SAINT CLOUD, Osceola, FL | Pass | State |
| 2024-12-11 | WASTE CONNECTIONS OF OSCEOLA COUNTY, LLC | SAINT CLOUD, Osceola, FL | Pass | State |
| 2024-12-11 | WASTE CONNECTIONS OF OSCEOLA COUNTY, LLC | SAINT CLOUD, Osceola, FL | Pass | State |
| 2024-12-11 | MOSAIC FERTILIZER, LLC — high-priority violation on file | BARTOW, Polk, FL | Pass | State |
| 2024-12-11 | MOSAIC FERTILIZER, LLC — high-priority violation on file | BARTOW, Polk, FL | Pass | State |
| 2024-12-11 | STERIGENICS U.S. LLC | ATLANTA, Cobb, GA | Pass | State |
| 2024-12-11 | ELITE OCTANE, LLC — high-priority violation on file | ATLANTIC, Cass, IA | Pass | State |
| 2024-12-11 | ELITE OCTANE, LLC — high-priority violation on file | ATLANTIC, Cass, IA | Fail | State |
| 2024-12-11 | GAS TRANSMISSION NORTHWEST - COMPRESSOR STATION 04 - SANDPOINT — high-priority violation on file | SANDPOINT, Bonner, ID | Pass | State |
| 2024-12-11 | CLEARWATER PAPER CORP-PPD | LEWISTON, Nez Perce, ID | Pass | State |
| 2024-12-11 | DYNEGY MIDWEST GENERATION LLC | BALDWIN, Randolph, IL | Pass | State |
| 2024-12-11 | STEEL DYNAMICS INCORPORATED ENGINEERED BAR PRODUCTS DIVISION — high-priority violation on file | PITTSBORO, Hendricks, IN | Pass | State |
| 2024-12-11 | STEEL DYNAMICS INCORPORATED ENGINEERED BAR PRODUCTS DIVISION — high-priority violation on file | PITTSBORO, Hendricks, IN | Pass | State |
| 2024-12-11 | STEEL DYNAMICS INCORPORATED ENGINEERED BAR PRODUCTS DIVISION — high-priority violation on file | PITTSBORO, Hendricks, IN | Pass | State |
| 2024-12-11 | STEEL DYNAMICS INCORPORATED ENGINEERED BAR PRODUCTS DIVISION — high-priority violation on file | PITTSBORO, Hendricks, IN | Pass | State |
| 2024-12-11 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2024-12-11 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2024-12-11 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2024-12-11 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2024-12-11 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Fail | State |
| 2024-12-11 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2024-12-11 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2024-12-11 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2024-12-11 | LOGAN ALUMINUM INC | RUSSELLVILLE, Logan, KY | Fail | State |
| 2024-12-11 | PLACID REFINING COMPANY LLC - PORT ALLEN REFINERY | PORT ALLEN, West Baton Rouge, LA | Pass | State |
| 2024-12-11 | SAPPI NORTH AMERICA, INC. | SKOWHEGAN, Somerset, ME | Pass | State |
| 2024-12-11 | AMERESCO WOODLAND MEADOWS ROMULUS LLC | CANTON, Wayne, MI | Pass | State |
| 2024-12-11 | POET BIOREFINING GLENVILLE LLC | ALBERT LEA, Freeborn, MN | Pass | State |
| 2024-12-11 | HEARTLAND CORN PRODUCTS | WINTHROP, Sibley, MN | Pass | State |
| 2024-12-11 | MARATHON SAINT PAUL PARK REFINERY | SAINT PAUL PARK, Washington, MN | N/A | State |
| 2024-12-11 | PAR MONTANA BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2024-12-11 | CITY OF GREENSBORO - T.Z. OSBORNE WATER RECLAMATION FACILITY — high-priority violation on file | MCLEANSVILLE, Guilford, NC | Pass | State |
| 2024-12-11 | ENERGIZER MANUFACTURING, INC. | ASHEBORO, Randolph, NC | Pass | State |
| 2024-12-11 | DR. SCRIVNER FACILITY | MALAGA, Eddy, NM | Pass | State |
| 2024-12-11 | BULLDOG COMPRESSOR STATION | LOCO HILLS, Eddy, NM | Pass | State |
| 2024-12-11 | JACK SLEEPER STATE COM TB | LOVING, Eddy, NM | Pass | State |
| 2024-12-11 | SUPREME COMPRESSOR STATION | MALAGA, Lea, NM | Pass | State |
| 2024-12-11 | SUPREME COMPRESSOR STATION | MALAGA, Lea, NM | Pass | State |
| 2024-12-11 | NITRO COMPRESSOR STATION | EUNICE, Lea, NM | Pass | State |
| 2024-12-11 | NESTLE R&D CENTER, INC. | MARYSVILLE, Union, OH | Pass | State |
| 2024-12-11 | NESTLE R&D CENTER, INC. | MARYSVILLE, Union, OH | Pass | State |
| 2024-12-11 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2024-12-11 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2024-12-11 | FIRST SOLAR INC. | WALBRIDGE, Wood, OH | Pass | State |
| 2024-12-11 | ASCENT RESOURCES - UTICA LLC - MALDON WRN BL | BARNESVILLE, Belmont, OH | Pass | State |
| 2024-12-11 | ASCENT RESOURCES - UTICA LLC - MALDON WRN BL | BARNESVILLE, Belmont, OH | Pass | State |
| 2024-12-11 | ASCENT RESOURCES - UTICA LLC - MALDON WRN BL | BARNESVILLE, Belmont, OH | Pass | State |
| 2024-12-11 | TMS INTERNATIONAL, LLC | MIDDLETOWN, Butler, OH | Pass | State |
| 2024-12-11 | ET GATHERING PROCESSING LLC / CYCLONE COMPRESSOR STATION | SEILING, Dewey, OK | Pass | State |
| 2024-12-11 | ET GATHERING PROCESSING LLC / F AND H COMPRESSOR STATION | WILBURTON, Latimer, OK | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.