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 |
|---|---|---|---|---|
| 2024-11-08 | JAX LNG LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2024-11-08 | JAX LNG LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2024-11-08 | EXXON MOBIL OIL CORP — high-priority violation on file | CHANNAHON, Will, IL | Fail | State |
| 2024-11-08 | PRIMARY PRODUCTS INGREDIENTS AMERICAS, LLC | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2024-11-08 | PRIMARY PRODUCTS INGREDIENTS AMERICAS, LLC | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2024-11-08 | PRIMARY PRODUCTS INGREDIENTS AMERICAS, LLC | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2024-11-08 | PRIMARY PRODUCTS INGREDIENTS AMERICAS, LLC | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2024-11-08 | PRIMARY PRODUCTS INGREDIENTS AMERICAS, LLC | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2024-11-08 | TOWER ROCK STONE COMPANY | SAINTE GENEVIEVE, Ste. Genevieve, MO | Pass | State |
| 2024-11-08 | TOWER ROCK STONE COMPANY | SAINTE GENEVIEVE, Ste. Genevieve, MO | Pass | State |
| 2024-11-08 | TOWER ROCK STONE COMPANY | SAINTE GENEVIEVE, Ste. Genevieve, MO | Pass | State |
| 2024-11-08 | TOWER ROCK STONE COMPANY | SAINTE GENEVIEVE, Ste. Genevieve, MO | Pass | State |
| 2024-11-08 | TOWER ROCK STONE COMPANY | SAINTE GENEVIEVE, Ste. Genevieve, MO | Pass | State |
| 2024-11-08 | TOWER ROCK STONE COMPANY | SAINTE GENEVIEVE, Ste. Genevieve, MO | Pass | State |
| 2024-11-08 | TOWER ROCK STONE COMPANY | SAINTE GENEVIEVE, Ste. Genevieve, MO | Pass | State |
| 2024-11-08 | TOWER ROCK STONE COMPANY | SAINTE GENEVIEVE, Ste. Genevieve, MO | Pass | State |
| 2024-11-08 | TOWER ROCK STONE COMPANY | SAINTE GENEVIEVE, Ste. Genevieve, MO | Pass | State |
| 2024-11-08 | TOWER ROCK STONE COMPANY | SAINTE GENEVIEVE, Ste. Genevieve, MO | Pass | State |
| 2024-11-08 | TOWER ROCK STONE COMPANY | SAINTE GENEVIEVE, Ste. Genevieve, MO | Pass | State |
| 2024-11-08 | TOWER ROCK STONE COMPANY | SAINTE GENEVIEVE, Ste. Genevieve, MO | Pass | State |
| 2024-11-08 | TOWER ROCK STONE COMPANY | SAINTE GENEVIEVE, Ste. Genevieve, MO | Pass | State |
| 2024-11-08 | TOWER ROCK STONE COMPANY | SAINTE GENEVIEVE, Ste. Genevieve, MO | Pass | State |
| 2024-11-08 | TOWER ROCK STONE COMPANY | SAINTE GENEVIEVE, Ste. Genevieve, MO | Pass | State |
| 2024-11-08 | TOWER ROCK STONE COMPANY | SAINTE GENEVIEVE, Ste. Genevieve, MO | Pass | State |
| 2024-11-08 | TOWER ROCK STONE COMPANY | SAINTE GENEVIEVE, Ste. Genevieve, MO | Pass | State |
| 2024-11-08 | TEXANA COMPRESSOR STATION | CARLSBAD, Eddy, NM | Pass | State |
| 2024-11-08 | HORNED FROG COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-11-08 | SANTEE COOPER WINYAH GENERATING STATION | GEORGETOWN, Georgetown, SC | Pass | State |
| 2024-11-07 | MICHELIN TIRE CORPORATION | MIDLAND CITY, Dale, AL | Pass | State |
| 2024-11-07 | DESOTO GATHERING COMPANY, LLC - NORTHWEST CHARLEY CPF-2 | GREERS FERRY, Cleburne, AR | Pass | State |
| 2024-11-07 | ENTERGY ARKANSAS, LLC - WHITE BLUFF PLANT | REDFIELD, Jefferson, AR | Pass | State |
| 2024-11-07 | DESOTO GATHERING COMPANY, LLC - MAKO CPF-1 | PANGBURN, White, AR | Pass | State |
| 2024-11-07 | BLYTHE ENERGY LLC (FPL FLORIDA POWER) | BLYTHE, Riverside, CA | Pass | Local |
| 2024-11-07 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-11-07 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-11-07 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-11-07 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-11-07 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-11-07 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-11-07 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-11-07 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-11-07 | WES DJ GAS PROC - WATTENBERG PLANT | AURORA, Adams, CO | Pass | State |
| 2024-11-07 | JAX LNG LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2024-11-07 | JAX LNG LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2024-11-07 | ARGLASS YAMAMURA SE, LLC — high-priority violation on file | VALDOSTA, Lowndes, GA | Pass | State |
| 2024-11-07 | ARGLASS YAMAMURA SE, LLC — high-priority violation on file | VALDOSTA, Lowndes, GA | Pass | State |
| 2024-11-07 | BUCKEYE TERMINALS LLC | BEDFORD PARK, Cook, IL | Pass | State |
| 2024-11-07 | METALX LLC DBA METALX WABASH | WABASH, Wabash, IN | Pass | State |
| 2024-11-07 | METALX LLC DBA METALX WABASH | WABASH, Wabash, IN | Pass | State |
| 2024-11-07 | METALX LLC DBA METALX WABASH | WABASH, Wabash, IN | Pass | State |
| 2024-11-07 | METALX LLC DBA METALX WABASH | WABASH, Wabash, IN | Pass | State |
| 2024-11-07 | HARSHMAN CONST. - FLORENCE QUARRY (AIR) | FLORENCE QUARRY, Marion, KS | Pass | State |
| 2024-11-07 | HARSHMAN CONST. - FLORENCE QUARRY (AIR) | FLORENCE QUARRY, Marion, KS | Pass | State |
| 2024-11-07 | HARSHMAN CONST (MASTER EQUIP LIST) (AIR) | CEDAR POINT, Marion, KS | Pass | State |
| 2024-11-07 | HARSHMAN CONST (MASTER EQUIP LIST) (AIR) | CEDAR POINT, Marion, KS | Pass | State |
| 2024-11-07 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2024-11-07 | CLARIOS, LLC | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2024-11-07 | GEORGIA PACIFIC MONTICELLO LLC | MONTICELLO, Lawrence, MS | Pass | State |
| 2024-11-07 | ALTER TRADING CORPORATION - SARDIS | SARDIS, Panola, MS | Pass | State |
| 2024-11-07 | ALTER TRADING CORPORATION - SARDIS | SARDIS, Panola, MS | Pass | State |
| 2024-11-07 | ASH GROVE CEMENT | CLANCY, Jefferson, MT | Pass | State |
| 2024-11-07 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2024-11-07 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2024-11-07 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2024-11-07 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2024-11-07 | NORTH DAKOTA STATE UNIVERSITY (NDSU) - HEATING PLANT - AQ | FARGO, Cass, ND | Pass | State |
| 2024-11-07 | FLEXCON COMPANY INC | COLUMBUS, Platte, NE | Pass | State |
| 2024-11-07 | TITAN COMPRESSOR STATION | MALAGA, Lea, NM | Pass | State |
| 2024-11-07 | GLOBAL COMPANIES LLC - ALBANY TERMINAL | ALBANY, Albany, NY | Pass | State |
| 2024-11-07 | GLOBAL COMPANIES LLC - ALBANY TERMINAL | ALBANY, Albany, NY | Pass | State |
| 2024-11-07 | ASCENT RESOURCES - UTICA LLC - SMITH CLR BL | BRIDGEPORT, Belmont, OH | Pass | State |
| 2024-11-07 | ASCENT RESOURCES - UTICA LLC - SMITH CLR BL | BRIDGEPORT, Belmont, OH | Pass | State |
| 2024-11-07 | ASCENT RESOURCES - UTICA LLC - SMITH CLR BL | BRIDGEPORT, Belmont, OH | Pass | State |
| 2024-11-07 | ASCENT RESOURCES - UTICA LLC - LORRAINE CLR BL | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2024-11-07 | ASCENT RESOURCES - UTICA LLC - LORRAINE CLR BL | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2024-11-07 | ASCENT RESOURCES - UTICA LLC - LORRAINE CLR BL | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2024-11-07 | EOG RESOURCES, INC. - OUR LAND CO 20-13-6 PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2024-11-07 | EOG RESOURCES, INC. - OUR LAND CO 20-13-6 PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2024-11-07 | EOG RESOURCES, INC. - OUR LAND CO 20-13-6 PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2024-11-07 | ONEOK FIELD SERVICES CO LLC / CEDAR LAKE COMPRESSOR STATION | CALUMET, Canadian, OK | Pass | State |
| 2024-11-07 | ONEOK FIELD SERVICES CO LLC / CEDAR LAKE COMPRESSOR STATION | CALUMET, Canadian, OK | Pass | State |
| 2024-11-07 | PEOPLES ELECTRIC COOP / TARGA — high-priority violation on file | CENTRAHOMA, Coal, OK | Pass | State |
| 2024-11-07 | ET GATHERING PROCESSING LLC / CHEVRON KNOX COMPRESSOR STATION | COX CITY, Grady, OK | Pass | State |
| 2024-11-07 | ET GATHERING PROCESSING LLC / GRADY COMPRESSOR STATION | CHICKASHA, Grady, OK | Pass | State |
| 2024-11-07 | INTERNATIONAL PAPER | SPRINGFIELD, Lane, OR | Pass | Local |
| 2024-11-07 | INTER POWER AHLCON LP/COLVER POWER PROJ — high-priority violation on file | COLVER, Cambria, PA | Pass | State |
| 2024-11-07 | SCHUYLKILL ENERGY RES/ST NICHOLAS COGEN — high-priority violation on file | SHENANDOAH, Schuylkill, PA | Pass | State |
| 2024-11-07 | SVP AGGREGATES — high-priority violation on file | ARCHBALD, Lackawanna, PA | Pass | State |
| 2024-11-07 | SANTEE COOPER WINYAH GENERATING STATION | GEORGETOWN, Georgetown, SC | Pass | State |
| 2024-11-07 | AMRIZE CEMENT INC. - HOLLY HILL PLANT | HOLLY HILL, Orangeburg, SC | Pass | State |
| 2024-11-07 | EQUINIX LLC | ASHBURN, Loudoun, VA | Pass | State |
| 2024-11-07 | GRIFFIN PIPE PRODUCTS CO LLC | LYNCHBURG, Lynchburg (city), VA | Pass | State |
| 2024-11-07 | AMAZON DATA SERVICES INC - IAD-104/105/106 | MANASSAS, Manassas (city), VA | Pass | State |
| 2024-11-07 | PHILLIPS 66 | FERNDALE, Whatcom, WA | Pass | Local |
| 2024-11-07 | MONONGAHELA POWER COMPANY, HARRISON STATION | HAYWOOD, Harrison, WV | Pass | State |
| 2024-11-07 | GREEN RIVER WORKS (TATA CHEMICALS (SODA ASH) PARTNERS) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2024-11-07 | GREEN RIVER WORKS (TATA CHEMICALS (SODA ASH) PARTNERS) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2024-11-06 | PETRO STAR, INC. / PETRO STAR VALDEZ REFINERY — high-priority violation on file | VALDEZ, Valdez-Cordova (CA), AK | Pass | State |
| 2024-11-06 | COPPER VALLEY ELECTRIC ASSOCIATION / CVEA COGENERATION PROJECT | VALDEZ, Valdez-Cordova (CA), AK | Pass | State |
| 2024-11-06 | INTERNATIONAL PAPER COMPANY — high-priority violation on file | SELMA, Dallas, AL | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.