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 |
|---|---|---|---|---|
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | ELK HILLS POWER LLC | TUPMAN, Kern, CA | Pass | Local |
| 2023-11-01 | BONANZA CREEK - ANTELOPE CPF 13-21 | KERSEY 10.4 MI. E OF, Weld, CO | Pass | State |
| 2023-11-01 | BONANZA CREEK - ANTELOPE CPF 13-21 | KERSEY 10.4 MI. E OF, Weld, CO | Fail | State |
| 2023-11-01 | BONANZA CREEK - ANTELOPE CPF 13-21 | KERSEY 10.4 MI. E OF, Weld, CO | Fail | State |
| 2023-11-01 | PDC ENERGY - BOST FARM 5-7 PAD | GREELEY, Weld, CO | Fail | State |
| 2023-11-01 | PDC ENERGY - BOST FARM 5-7 PAD | GREELEY, Weld, CO | Fail | State |
| 2023-11-01 | FLORIDA POWER & LIGHT COMPANY (PCC) | COCOA, Brevard, FL | Pass | State |
| 2023-11-01 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2023-11-01 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2023-11-01 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2023-11-01 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2023-11-01 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2023-11-01 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2023-11-01 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2023-11-01 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2023-11-01 | DUKE ENERGY FLORIDA, LLC | LIVE OAK, Suwannee, FL | Pass | State |
| 2023-11-01 | DUKE ENERGY FLORIDA, LLC | LIVE OAK, Suwannee, FL | Pass | State |
| 2023-11-01 | DUKE ENERGY FLORIDA, LLC | LIVE OAK, Suwannee, FL | Pass | State |
| 2023-11-01 | DUKE ENERGY FLORIDA, LLC | LIVE OAK, Suwannee, FL | Pass | State |
| 2023-11-01 | BD COVINGTON | COVINGTON, Newton, GA | Pass | State |
| 2023-11-01 | BD COVINGTON | COVINGTON, Newton, GA | Pass | State |
| 2023-11-01 | ADVICS MANUFACTURING GEORGIA, L.L.C. | LAGRANGE, Troup, GA | Pass | State |
| 2023-11-01 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MASON CITY, Cerro Gordo, IA | Fail | State |
| 2023-11-01 | SUBARU OF INDIANA AUTOMOTIVE INC — high-priority violation on file | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2023-11-01 | GAUNT & SON ASPHALT INC | WABASH, Wabash, IN | Pass | State |
| 2023-11-01 | GAUNT & SON ASPHALT INC | WABASH, Wabash, IN | Pass | State |
| 2023-11-01 | GAUNT & SON ASPHALT INC | WABASH, Wabash, IN | Pass | State |
| 2023-11-01 | GAUNT & SON ASPHALT INC | WABASH, Wabash, IN | Pass | State |
| 2023-11-01 | ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file | NEWBURGH, Warrick, IN | Pass | State |
| 2023-11-01 | NORTHSHORE MINING CO - SILVER BAY | SILVER BAY, Lake, MN | Pass | State |
| 2023-11-01 | EVERGY-LAKE ROAD GENERATING STATION | SAINT JOSEPH, Buchanan, MO | N/A | State |
| 2023-11-01 | EVERGY-LAKE ROAD GENERATING STATION | SAINT JOSEPH, Buchanan, MO | N/A | State |
| 2023-11-01 | EVERGY-LAKE ROAD GENERATING STATION | SAINT JOSEPH, Buchanan, MO | N/A | State |
| 2023-11-01 | EVERGY-LAKE ROAD GENERATING STATION | SAINT JOSEPH, Buchanan, MO | N/A | State |
| 2023-11-01 | ST. FRANCIS POWER PLANT | CAMPBELL, Dunklin, MO | N/A | State |
| 2023-11-01 | MAGNITUDE 7 METALS, LLC | MARSTON, New Madrid, MO | N/A | State |
| 2023-11-01 | MAGNITUDE 7 METALS, LLC | MARSTON, New Madrid, MO | Pending | State |
| 2023-11-01 | LEAF RIVER CELLULOSE LLC — high-priority violation on file | NEW AUGUSTA, Perry, MS | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.