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 |
|---|---|---|---|---|
| 2023-08-31 | TENARIS/AMBRIDGE | AMBRIDGE, Beaver, PA | Pass | State |
| 2023-08-31 | CLEVELAND CLIFFS MONESSEN COKE LLC/MONESSEN COKE PLT — high-priority violation on file | MONESSEN, Westmoreland, PA | Pass | State |
| 2023-08-31 | GLENN O HAWBAKER/CRUSHING & ASPHALT PLT SR0064 | BELLEFONTE, Centre, PA | Pass | State |
| 2023-08-31 | TENNESSEE GAS PIPELINE/COMP STA 303 | JAMESTOWN, Venango, PA | Pass | State |
| 2023-08-31 | HERSHEY CO/WWTP | HERSHEY, Dauphin, PA | Pass | State |
| 2023-08-31 | EXPAND OPERATING LLC/SCOTT WELLPAD | NEW MILFORD, Susquehanna, PA | Fail | State |
| 2023-08-31 | LAUFFER, J. PAD 1 — high-priority violation on file | SPRINGVILLE, Susquehanna, PA | Fail | State |
| 2023-08-31 | REAL ALLOYING RECYCLING, LLC | LOUDON, Loudon, TN | Pass | State |
| 2023-08-31 | TENNESSEE VALLEY AUTHORITY - GALLATIN FOSSIL PLANT | GALLATIN, Sumner, TN | Pass | State |
| 2023-08-31 | SIGNAL MOUNTAIN CEMENT COMPANY D/B/A BUZZI UNICEM USA | CHATTANOOGA, Hamilton, TN | Pass | Local |
| 2023-08-31 | PEARSALL POWER PLANT | PEARSALL, Frio, TX | Pass | State |
| 2023-08-31 | PEARSALL POWER PLANT | PEARSALL, Frio, TX | Pass | State |
| 2023-08-31 | PEARSALL POWER PLANT | PEARSALL, Frio, TX | Pass | State |
| 2023-08-31 | PEARSALL POWER PLANT | PEARSALL, Frio, TX | Pass | State |
| 2023-08-31 | PEARSALL POWER PLANT | PEARSALL, Frio, TX | Pass | State |
| 2023-08-31 | PEARSALL POWER PLANT | PEARSALL, Frio, TX | Pass | State |
| 2023-08-31 | PEARSALL POWER PLANT | PEARSALL, Frio, TX | Pass | State |
| 2023-08-31 | PEARSALL POWER PLANT | PEARSALL, Frio, TX | Pass | State |
| 2023-08-31 | PEARSALL POWER PLANT | PEARSALL, Frio, TX | Pass | State |
| 2023-08-31 | PEARSALL POWER PLANT | PEARSALL, Frio, TX | Pass | State |
| 2023-08-31 | NORTH LONGHORN CENTRAL TANK BATTERY | KARNES CITY, Karnes, TX | Pass | State |
| 2023-08-31 | NORTH LONGHORN CENTRAL TANK BATTERY | KARNES CITY, Karnes, TX | Pass | State |
| 2023-08-31 | NORTH LONGHORN CENTRAL TANK BATTERY | KARNES CITY, Karnes, TX | Pass | State |
| 2023-08-31 | OSPREY COMPRESSOR STATION | STANTON, Martin, TX | Pass | State |
| 2023-08-31 | OSPREY COMPRESSOR STATION | STANTON, Martin, TX | Pass | State |
| 2023-08-31 | NORTHWEST PIPELINE CORP CHEHALIS | CHEHALIS, Lewis, WA | Pass | Local |
| 2023-08-31 | THREE PETALS RNG, LLC | BERLIN, Green Lake, WI | Pass | State |
| 2023-08-31 | FLINT HILLS RESOURCES PINE BEND LLC - JUNCTION CITY TERMINAL | JUNCTION CITY, Price, WI | Pass | State |
| 2023-08-31 | APPALACHIA MIDSTREAM SERVICES, L.L.C., RIDGELINE STATION | CAMERON, Marshall, WV | Pass | State |
| 2023-08-31 | LARAMIE RIVER STATION (BASIN ELECTRIC POWER COOPERATIVE) — high-priority violation on file | WHEATLAND, Platte, WY | Pass | State |
| 2023-08-31 | LARAMIE RIVER STATION (BASIN ELECTRIC POWER COOPERATIVE) — high-priority violation on file | WHEATLAND, Platte, WY | Pass | State |
| 2023-08-31 | LARAMIE RIVER STATION (BASIN ELECTRIC POWER COOPERATIVE) — high-priority violation on file | WHEATLAND, Platte, WY | Pass | State |
| 2023-08-31 | LARAMIE RIVER STATION (BASIN ELECTRIC POWER COOPERATIVE) — high-priority violation on file | WHEATLAND, Platte, WY | Pass | State |
| 2023-08-31 | LARAMIE RIVER STATION (BASIN ELECTRIC POWER COOPERATIVE) — high-priority violation on file | WHEATLAND, Platte, WY | Pass | State |
| 2023-08-31 | LARAMIE RIVER STATION (BASIN ELECTRIC POWER COOPERATIVE) — high-priority violation on file | WHEATLAND, Platte, WY | Pass | State |
| 2023-08-30 | IRONHORSE COMPLEX | UTAH, Undetermined, UT | Pass | U.S. EPA |
| 2023-08-30 | IRONHORSE COMPLEX | UTAH, Undetermined, UT | Pass | U.S. EPA |
| 2023-08-30 | WESTROCK MILL COMPANY LLC | DEMOPOLIS, Marengo, AL | Pass | State |
| 2023-08-30 | HARRELL'S COATING SOLUTIONS, LLC | SYLACAUGA, Talladega, AL | Pass | State |
| 2023-08-30 | USMC - YERMO LOGISTICS CNTR | BARSTOW, San Bernardino, CA | Pass | Local |
| 2023-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Fail | Local |
| 2023-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Fail | Local |
| 2023-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Fail | Local |
| 2023-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Fail | Local |
| 2023-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Fail | Local |
| 2023-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Fail | Local |
| 2023-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Fail | Local |
| 2023-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Fail | Local |
| 2023-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Fail | Local |
| 2023-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Fail | Local |
| 2023-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Fail | Local |
| 2023-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Fail | Local |
| 2023-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Fail | Local |
| 2023-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Fail | Local |
| 2023-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Fail | Local |
| 2023-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Fail | Local |
| 2023-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2023-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2023-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2023-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2023-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2023-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2023-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2023-08-30 | E & J GALLO WINERY | FRESNO, Fresno, CA | Pass | Local |
| 2023-08-30 | PHILLIPS 66 PIPELINE LLC — high-priority violation on file | CALIFORNIA, Undetermined, CA | Pass | Local |
| 2023-08-30 | PHILLIPS 66 PIPELINE LLC — high-priority violation on file | CALIFORNIA, Undetermined, CA | Pass | Local |
| 2023-08-30 | PHILLIPS 66 PIPELINE LLC — high-priority violation on file | CALIFORNIA, Undetermined, CA | Pass | Local |
| 2023-08-30 | PHILLIPS 66 PIPELINE LLC — high-priority violation on file | CALIFORNIA, Undetermined, CA | Pass | Local |
| 2023-08-30 | PHILLIPS 66 PIPELINE LLC — high-priority violation on file | CALIFORNIA, Undetermined, CA | Pass | Local |
| 2023-08-30 | PHILLIPS 66 PIPELINE LLC — high-priority violation on file | CALIFORNIA, Undetermined, CA | Pass | Local |
| 2023-08-30 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-30 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-30 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-30 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-30 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-30 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-30 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-30 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-30 | LIBERTY PACKING CO. | VOLTA, Merced, CA | Pass | Local |
| 2023-08-30 | LIBERTY PACKING CO. | VOLTA, Merced, CA | Pass | Local |
| 2023-08-30 | LIBERTY PACKING CO. | VOLTA, Merced, CA | Pass | Local |
| 2023-08-30 | LIBERTY PACKING CO. | VOLTA, Merced, CA | Pass | Local |
| 2023-08-30 | LIBERTY PACKING CO. | VOLTA, Merced, CA | Pass | Local |
| 2023-08-30 | LIBERTY PACKING CO. | VOLTA, Merced, CA | Pass | Local |
| 2023-08-30 | LIBERTY PACKING CO. | VOLTA, Merced, CA | Pass | Local |
| 2023-08-30 | LIBERTY PACKING CO. | VOLTA, Merced, CA | Pass | Local |
| 2023-08-30 | LIBERTY PACKING CO. | VOLTA, Merced, CA | Pass | Local |
| 2023-08-30 | LIBERTY PACKING CO. | VOLTA, Merced, CA | Pass | Local |
| 2023-08-30 | LIBERTY PACKING CO. | VOLTA, Merced, CA | Pass | Local |
| 2023-08-30 | BISON IV - TRUE RANCH FEE 2326H | NUNN 19.5 MI. N OF, Weld, CO | Pass | State |
| 2023-08-30 | YALE UNIVERSITY, SCHOOL OF MEDICINE PREMISES | NEW HAVEN, New Haven, CT | Pass | State |
| 2023-08-30 | YALE UNIVERSITY, SCHOOL OF MEDICINE PREMISES | NEW HAVEN, New Haven, CT | Pass | State |
| 2023-08-30 | YALE UNIVERSITY, SCHOOL OF MEDICINE PREMISES | NEW HAVEN, New Haven, CT | Pass | State |
| 2023-08-30 | WALLINGFORD ENERGY, LLC | WALLINGFORD, New Haven, CT | Pass | State |
| 2023-08-30 | WASHINGTON HOSPITAL CENTER — high-priority violation on file | WASHINGTON, District of Columbia, DC | Pass | State |
| 2023-08-30 | HILLSBOROUGH CTY. RESOURCE RECOVERY FAC. | TAMPA, Hillsborough, FL | Pass | State |
| 2023-08-30 | HILLSBOROUGH CTY. RESOURCE RECOVERY FAC. | TAMPA, Hillsborough, FL | Pass | State |
| 2023-08-30 | HILLSBOROUGH CTY. RESOURCE RECOVERY FAC. | TAMPA, Hillsborough, FL | Pass | State |
| 2023-08-30 | HILLSBOROUGH CTY. RESOURCE RECOVERY FAC. | TAMPA, Hillsborough, FL | Pass | State |
| 2023-08-30 | HILLSBOROUGH CTY. RESOURCE RECOVERY FAC. | TAMPA, Hillsborough, FL | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.