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 |
|---|---|---|---|---|
| 2023-11-10 | STERILIZATION SERVICES OF GEORGIA | ATLANTA, Fulton, GA | Pass | State |
| 2023-11-10 | STERILIZATION SERVICES OF GEORGIA | ATLANTA, Fulton, GA | Pass | State |
| 2023-11-10 | HECO - HONOLULU INTERNATIONAL AIRPORT | HONOLULU, Honolulu, HI | Pass | State |
| 2023-11-10 | BIG RIVER UNITED ENERGY LLC-W BURLINGTON | WEST BURLINGTON, Des Moines, IA | Pass | State |
| 2023-11-10 | BIG RIVER UNITED ENERGY LLC-W BURLINGTON | WEST BURLINGTON, Des Moines, IA | Pass | State |
| 2023-11-10 | BIG RIVER UNITED ENERGY LLC-W BURLINGTON | WEST BURLINGTON, Des Moines, IA | Pass | State |
| 2023-11-10 | BIG RIVER UNITED ENERGY LLC-W BURLINGTON | WEST BURLINGTON, Des Moines, IA | Pass | State |
| 2023-11-10 | CAMERON LNG LLC - CAMERON LNG FACILITY — high-priority violation on file | HACKBERRY, Cameron, LA | Pass | State |
| 2023-11-10 | ZFS ITHACA, LLC — high-priority violation on file | ITHACA, Gratiot, MI | Pass | State |
| 2023-11-10 | NORTHERN BORDER PIPELINE COMPANY - GLEN ULLIN COMPRESSOR STATION - AQ | GLEN ULLIN, Morton, ND | Pass | State |
| 2023-11-10 | BITTER LAKE COMPRESSOR STATION | ROSWELL, Chaves, NM | Pass | State |
| 2023-11-10 | NAILED IT B COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2023-11-10 | WINNEMUCCA PLANT — high-priority violation on file | WINNEMUCCA, Humboldt, NV | Pass | State |
| 2023-11-10 | CLEVELAND-CLIFFS CLEVELAND WORKS LLC — high-priority violation on file | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2023-11-10 | CLEVELAND-CLIFFS CLEVELAND WORKS LLC — high-priority violation on file | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2023-11-10 | CLEVELAND-CLIFFS CLEVELAND WORKS LLC — high-priority violation on file | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2023-11-10 | CLEVELAND-CLIFFS CLEVELAND WORKS LLC — high-priority violation on file | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2023-11-10 | CLEVELAND-CLIFFS CLEVELAND WORKS LLC — high-priority violation on file | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2023-11-10 | CLEVELAND-CLIFFS CLEVELAND WORKS LLC — high-priority violation on file | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2023-11-10 | FW MIDCON I LLC / TYLER 1107 2 36 25 MXH 3 36 25MXH | UNION CITY, Canadian, OK | Pass | State |
| 2023-11-10 | ET GATHERING PROCESSING LLC / GEARY COMPRESSOR STATION | GEARY, Canadian, OK | Pass | State |
| 2023-11-10 | PEOPLES ELECTRIC COOP / CENTRAHOMA — high-priority violation on file | CENTRAHOMA, Coal, OK | Pass | State |
| 2023-11-10 | VM ARKOMA STACK LLC / CENTRAHOMA COMPRESSOR STATION | COALGATE, Coal, OK | Pass | State |
| 2023-11-10 | FW MIDCON I LLC / TAN 1509 1 2 3 4 5 6 7 8 9 4 33 | KINGFISHER, Kingfisher, OK | Pass | State |
| 2023-11-10 | FW MIDCON I LLC / TAN 1509 1 2 3 4 5 6 7 8 9 4 33 | KINGFISHER, Kingfisher, OK | Pass | State |
| 2023-11-10 | INTERNATIONAL PAPER | SPRINGFIELD, Lane, OR | Pass | Local |
| 2023-11-10 | INTERNATIONAL PAPER | SPRINGFIELD, Lane, OR | Pass | Local |
| 2023-11-10 | WARD MFG LLC/BLOSSBURG PLTS 1-3 | BLOSSBURG, Tioga, PA | Pass | State |
| 2023-11-10 | WOODGRAIN INC/FIBER DIV PA | TOWANDA, Bradford, PA | Pass | State |
| 2023-11-10 | COLUMBIA GAS TRANS LLC/REDD FARM COMP STA | WASHINGTON, Washington, PA | Pass | State |
| 2023-11-09 | DESOTO GATHERING COMPANY, LLC - COVE CREEK CPF-3 | SPRINGFIELD, Conway, AR | Pending | State |
| 2023-11-09 | DESOTO GATHERING COMPANY, LLC - COVE CREEK CPF-3 | SPRINGFIELD, Conway, AR | Pass | State |
| 2023-11-09 | ENTERGY ARKANSAS, LLC - WHITE BLUFF PLANT | REDFIELD, Jefferson, AR | Pass | State |
| 2023-11-09 | LANXESS CORPORATION - CENTRAL PLANT | EL DORADO, Union, AR | Pass | State |
| 2023-11-09 | DESOTO GATHERING COMPANY, LLC.-OLIVER CPF-1 | SEARCY, White, AR | Pass | State |
| 2023-11-09 | BLYTHE ENERGY LLC (FPL FLORIDA POWER) | BLYTHE, Riverside, CA | Pass | Local |
| 2023-11-09 | SO CAL GAS CO | NORTHRIDGE, Los Angeles, CA | Pass | Local |
| 2023-11-09 | VA MEDICAL CENTER — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-09 | VA MEDICAL CENTER — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-09 | VA MEDICAL CENTER — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-09 | VA MEDICAL CENTER — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-09 | VA MEDICAL CENTER — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-09 | VA MEDICAL CENTER — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-09 | VA MEDICAL CENTER — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-09 | VA MEDICAL CENTER — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-09 | VA MEDICAL CENTER — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-09 | VA MEDICAL CENTER — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-09 | VA MEDICAL CENTER — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-09 | VA MEDICAL CENTER — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | CHALK CLIFF LIMITED | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-09 | E&J GALLO WINERY — high-priority violation on file | LIVINGSTON, Merced, CA | Pass | Local |
| 2023-11-09 | E&J GALLO WINERY — high-priority violation on file | LIVINGSTON, Merced, CA | Pass | Local |
| 2023-11-09 | E&J GALLO WINERY — high-priority violation on file | LIVINGSTON, Merced, CA | Pass | Local |
| 2023-11-09 | E&J GALLO WINERY — high-priority violation on file | LIVINGSTON, Merced, CA | Pass | Local |
| 2023-11-09 | E&J GALLO WINERY — high-priority violation on file | LIVINGSTON, Merced, CA | Pass | Local |
| 2023-11-09 | E&J GALLO WINERY — high-priority violation on file | LIVINGSTON, Merced, CA | Pass | Local |
| 2023-11-09 | E&J GALLO WINERY — high-priority violation on file | LIVINGSTON, Merced, CA | Pass | Local |
| 2023-11-09 | E&J GALLO WINERY — high-priority violation on file | LIVINGSTON, Merced, CA | Pass | Local |
| 2023-11-09 | E&J GALLO WINERY — high-priority violation on file | LIVINGSTON, Merced, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.