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 |
|---|---|---|---|---|
| 2023-11-02 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-02 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-02 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-02 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-02 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-02 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-02 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-02 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-02 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-02 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-02 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-02 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-02 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-02 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-02 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-02 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-02 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-02 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-02 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-02 | BONANZA CREEK - STATE PRONGHORN CPF 41-3 | WIGGINS 11.6 MI. NW OF, Weld, CO | Fail | State |
| 2023-11-02 | BONANZA CREEK - STATE ANTELOPE CPF O-1 | KERSEY 14.0 MI. E OF, Weld, CO | Fail | State |
| 2023-11-02 | PDC ENERGY - BOST FARM 5-7 PAD | GREELEY, Weld, CO | Fail | State |
| 2023-11-02 | PDC ENERGY - BOST FARM 5-7 PAD | GREELEY, Weld, CO | Fail | State |
| 2023-11-02 | HOLCIM SOLUTIONS AND PRODUCTS US, LLC | BRISTOL, Hartford, CT | Pass | State |
| 2023-11-02 | FLORIDA POWER & LIGHT COMPANY (PCC) | COCOA, Brevard, FL | Pass | State |
| 2023-11-02 | CENTRAL MATERIALS COMPANY, INC. | LECANTO, Citrus, FL | Pass | State |
| 2023-11-02 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2023-11-02 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2023-11-02 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2023-11-02 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2023-11-02 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2023-11-02 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2023-11-02 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2023-11-02 | NEW HOPE POWER COMPANY | SOUTH BAY, Palm Beach, FL | Pass | State |
| 2023-11-02 | NEW HOPE POWER COMPANY | SOUTH BAY, Palm Beach, FL | Pass | State |
| 2023-11-02 | NEW HOPE POWER COMPANY | SOUTH BAY, Palm Beach, FL | Pass | State |
| 2023-11-02 | NEW HOPE POWER COMPANY | SOUTH BAY, Palm Beach, FL | Pass | State |
| 2023-11-02 | NEW HOPE POWER COMPANY | SOUTH BAY, Palm Beach, FL | Pass | State |
| 2023-11-02 | NEW HOPE POWER COMPANY | SOUTH BAY, Palm Beach, FL | Pass | State |
| 2023-11-02 | DUKE ENERGY FLORIDA, LLC | LIVE OAK, Suwannee, FL | Pass | State |
| 2023-11-02 | DUKE ENERGY FLORIDA, LLC | LIVE OAK, Suwannee, FL | Pass | State |
| 2023-11-02 | DUKE ENERGY FLORIDA, LLC | LIVE OAK, Suwannee, FL | Pass | State |
| 2023-11-02 | DUKE ENERGY FLORIDA, LLC | LIVE OAK, Suwannee, FL | Pass | State |
| 2023-11-02 | BD COVINGTON | COVINGTON, Newton, GA | Pass | State |
| 2023-11-02 | HECO - CAMPBELL INDUSTRIAL PARK | KAPOLEI, Honolulu, HI | Pass | State |
| 2023-11-02 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MASON CITY, Cerro Gordo, IA | Pass | State |
| 2023-11-02 | AG PROCESSING INC-SHELDON | SHELDON, O'Brien, IA | Pass | State |
| 2023-11-02 | AG PROCESSING INC-SHELDON | SHELDON, O'Brien, IA | Pass | State |
| 2023-11-02 | J R SIMPLOT COMPANY-DON SIDING POCATELLO — high-priority violation on file | POCATELLO, Power, ID | Pass | State |
| 2023-11-02 | CLEVELAND-CLIFFS STEEL LLC — high-priority violation on file | EAST CHICAGO, Lake, IN | Pass | State |
| 2023-11-02 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2023-11-02 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2023-11-02 | ARCOSA LW HPB LLC — high-priority violation on file | MOORESVILLE, Morgan, IN | Pass | State |
| 2023-11-02 | ARCOSA LW HPB LLC — high-priority violation on file | MOORESVILLE, Morgan, IN | Pass | State |
| 2023-11-02 | ARCOSA LW HPB LLC — high-priority violation on file | MOORESVILLE, Morgan, IN | Pass | State |
| 2023-11-02 | DTE ELECTRIC COMPANY - WILMOT PEAKING FACILITY | KINGSTON, Tuscola, MI | Pass | State |
| 2023-11-02 | MICHIGAN SUGAR COMPANY, CROSWELL FACTORY — high-priority violation on file | CROSWELL, Sanilac, MI | Pass | State |
| 2023-11-02 | LEAF RIVER CELLULOSE LLC — high-priority violation on file | NEW AUGUSTA, Perry, MS | Pass | State |
| 2023-11-02 | LEAF RIVER CELLULOSE LLC — high-priority violation on file | NEW AUGUSTA, Perry, MS | Pass | State |
| 2023-11-02 | LEAF RIVER CELLULOSE LLC — high-priority violation on file | NEW AUGUSTA, Perry, MS | Pass | State |
| 2023-11-02 | LEAF RIVER CELLULOSE LLC — high-priority violation on file | NEW AUGUSTA, Perry, MS | Pass | State |
| 2023-11-02 | LEAF RIVER CELLULOSE LLC — high-priority violation on file | NEW AUGUSTA, Perry, MS | Pass | State |
| 2023-11-02 | LEAF RIVER CELLULOSE LLC — high-priority violation on file | NEW AUGUSTA, Perry, MS | Pass | State |
| 2023-11-02 | LEAF RIVER CELLULOSE LLC — high-priority violation on file | NEW AUGUSTA, Perry, MS | Pass | State |
| 2023-11-02 | LEAF RIVER CELLULOSE LLC — high-priority violation on file | NEW AUGUSTA, Perry, MS | Pass | State |
| 2023-11-02 | LEAF RIVER CELLULOSE LLC — high-priority violation on file | NEW AUGUSTA, Perry, MS | Pass | State |
| 2023-11-02 | 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.