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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register and their 2024 stack tests. Nationwide, 39,252 stack tests were recorded in 2024.