EPA Air · stack tests by state and year
Air-emissions stack tests in Alabama, 2026
- 357Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in Alabama during 2026; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Alabama, 2026
- Mobile County 64
- Jefferson County 34
- Shelby County 23
- Calhoun County 23
- Chambers County 16
- Pike County 14
- Talladega County 13
- Choctaw County 12
- Morgan County 10
- Coosa County 10
- Tuscaloosa County 10
- Dallas County 9
- Colbert County 9
- Wilcox County 9
- Marengo County 8
- St. Clair County 8
- Montgomery County 8
- Russell County 7
- Lamar County 6
- Randolph County 6
- Autauga County 6
- Sumter County 5
- Butler County 4
- Jackson County 4
- Washington County 4
- Escambia County 4
- Cullman County 3
- Pickens County 3
- Lee County 3
- Elmore County 3
Alabama, other years
Air-emissions stack tests recorded in Alabama, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-03-24 | WILLIAMS MOBILE BAY PRODUCER SERVICES, LLC | CODEN, Mobile, AL | Pass | State |
| 2026-03-24 | HYUNDAI MOTOR MANUFACTURING ALABAMA LLC. | MONTGOMERY, Montgomery, AL | Pass | State |
| 2026-03-23 | GULFSTREAM NATURAL GAS SYSTEM LLC | CODEN, Mobile, AL | Pass | State |
| 2026-03-23 | GULFSTREAM NATURAL GAS SYSTEM LLC | CODEN, Mobile, AL | Pass | State |
| 2026-03-23 | GULFSTREAM NATURAL GAS SYSTEM LLC | CODEN, Mobile, AL | Pass | State |
| 2026-03-19 | WESTROCK COATED BOARD LLC-MAHRT MILL | PHENIX CITY, Russell, AL | Pass | State |
| 2026-03-18 | NUCOR STEEL DECATUR LLC | TRINITY, Morgan, AL | Pass | State |
| 2026-03-17 | WESTROCK COATED BOARD LLC-MAHRT MILL | PHENIX CITY, Russell, AL | Pass | State |
| 2026-03-12 | BOISE WHITE PAPER LLC | JACKSON, Clarke, AL | Pass | State |
| 2026-03-12 | BOISE WHITE PAPER LLC | JACKSON, Clarke, AL | Pass | State |
| 2026-03-12 | W&T OFFSHORE, INC. | THEODORE, Mobile, AL | Pass | State |
| 2026-03-12 | W&T OFFSHORE, INC. | THEODORE, Mobile, AL | Pass | State |
| 2026-03-11 | CULLMAN CASTING CORPORATION | CULLMAN, Cullman, AL | Pass | State |
| 2026-03-11 | CULLMAN CASTING CORPORATION | CULLMAN, Cullman, AL | Pass | State |
| 2026-03-11 | W&T OFFSHORE, INC. | THEODORE, Mobile, AL | Pass | State |
| 2026-03-11 | W&T OFFSHORE, INC. | THEODORE, Mobile, AL | Pass | State |
| 2026-03-11 | W&T OFFSHORE, INC. | THEODORE, Mobile, AL | Pass | State |
| 2026-03-11 | RESOLUTE FP US INC. | COOSA PINES, Talladega, AL | Pass | State |
| 2026-03-10 | RESOLUTE FP US INC. | COOSA PINES, Talladega, AL | Pass | State |
| 2026-03-05 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | ROCKFORD, Coosa, AL | Pass | State |
| 2026-03-05 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | ROCKFORD, Coosa, AL | Pass | State |
| 2026-03-05 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | ROCKFORD, Coosa, AL | Pass | State |
| 2026-03-05 | STEEL DUST RECYCLING LLC | MILLPORT, Lamar, AL | Pass | State |
| 2026-03-05 | NATIONAL CEMENT CO OF ALABAMA — high-priority violation on file | RAGLAND, St. Clair, AL | Pass | State |
| 2026-03-05 | NATIONAL CEMENT CO OF ALABAMA — high-priority violation on file | RAGLAND, St. Clair, AL | Pass | State |
| 2026-03-04 | COASTAL FOREST PRODUCTS LLC | CHAPMAN, Butler, AL | Pass | State |
| 2026-03-04 | COASTAL FOREST PRODUCTS LLC | CHAPMAN, Butler, AL | Pass | State |
| 2026-03-04 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | ROCKFORD, Coosa, AL | Pass | State |
| 2026-03-04 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | ROCKFORD, Coosa, AL | Pass | State |
| 2026-03-04 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | ROCKFORD, Coosa, AL | Pass | State |
| 2026-03-04 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | ROCKFORD, Coosa, AL | Pass | State |
| 2026-03-04 | STEEL DUST RECYCLING LLC | MILLPORT, Lamar, AL | Pass | State |
| 2026-03-04 | EVONIK CORPORATION | THEODORE, Mobile, AL | Pass | State |
| 2026-03-04 | NUCOR STEEL DECATUR LLC | TRINITY, Morgan, AL | Pass | State |
| 2026-03-04 | NATIONAL CEMENT CO OF ALABAMA — high-priority violation on file | RAGLAND, St. Clair, AL | Pass | State |
| 2026-03-04 | NATIONAL CEMENT CO OF ALABAMA — high-priority violation on file | RAGLAND, St. Clair, AL | Pass | State |
| 2026-03-03 | COASTAL FOREST PRODUCTS LLC | CHAPMAN, Butler, AL | Pass | State |
| 2026-03-03 | COASTAL FOREST PRODUCTS LLC | CHAPMAN, Butler, AL | Pass | State |
| 2026-03-03 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | BILLINGSLEY, Autauga, AL | Pass | State |
| 2026-03-03 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | BILLINGSLEY, Autauga, AL | Pass | State |
| 2026-03-03 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | ROCKFORD, Coosa, AL | Pass | State |
| 2026-03-03 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | ROCKFORD, Coosa, AL | Pass | State |
| 2026-03-03 | STEEL DUST RECYCLING LLC | MILLPORT, Lamar, AL | Pass | State |
| 2026-03-03 | SSAB ALABAMA INC | AXIS, Mobile, AL | Pass | State |
| 2026-03-03 | NUCOR STEEL DECATUR LLC | TRINITY, Morgan, AL | Pass | State |
| 2026-02-27 | LHOIST NORTH AMERICA OF ALABAMA, LLC | CALERA, Shelby, AL | Pass | State |
| 2026-02-26 | HSAA | ENTERPRISE, Coffee, AL | Pass | State |
| 2026-02-26 | HIGH-PURITY SILICON AMERICA CORPORATION | THEODORE, Mobile, AL | Pass | State |
| 2026-02-26 | SANDERS LEAD CO | TROY, Pike, AL | Pass | State |
| 2026-02-26 | SANDERS LEAD CO | TROY, Pike, AL | Pass | State |
| 2026-02-26 | SANDERS LEAD CO | TROY, Pike, AL | Pass | State |
| 2026-02-26 | SANDERS LEAD CO | TROY, Pike, AL | Pass | State |
| 2026-02-26 | SANDERS LEAD CO | TROY, Pike, AL | Pass | State |
| 2026-02-26 | HARRELL'S COATING SOLUTIONS, LLC | SYLACAUGA, Talladega, AL | Pass | State |
| 2026-02-25 | INTERNATIONAL PAPER COMPANY — high-priority violation on file | SELMA, Dallas, AL | Pass | State |
| 2026-02-25 | HIGH-PURITY SILICON AMERICA CORPORATION | THEODORE, Mobile, AL | Pass | State |
| 2026-02-25 | SANDERS LEAD CO | TROY, Pike, AL | Pass | State |
| 2026-02-25 | SANDERS LEAD CO | TROY, Pike, AL | Pass | State |
| 2026-02-25 | SANDERS LEAD CO | TROY, Pike, AL | Pass | State |
| 2026-02-25 | SANDERS LEAD CO | TROY, Pike, AL | Pass | State |
| 2026-02-25 | SANDERS LEAD CO | TROY, Pike, AL | Pass | State |
| 2026-02-25 | SANDERS LEAD CO | TROY, Pike, AL | Pass | State |
| 2026-02-25 | HARRELL'S COATING SOLUTIONS, LLC | SYLACAUGA, Talladega, AL | Pass | State |
| 2026-02-24 | HIGH-PURITY SILICON AMERICA CORPORATION | THEODORE, Mobile, AL | Pass | State |
| 2026-02-24 | HIGH-PURITY SILICON AMERICA CORPORATION | THEODORE, Mobile, AL | Pass | State |
| 2026-02-24 | HIGH-PURITY SILICON AMERICA CORPORATION | THEODORE, Mobile, AL | Pass | State |
| 2026-02-24 | SANDERS LEAD CO | TROY, Pike, AL | Pass | State |
| 2026-02-24 | SANDERS LEAD CO | TROY, Pike, AL | Pass | State |
| 2026-02-24 | SANDERS LEAD CO | TROY, Pike, AL | Pass | State |
| 2026-02-24 | HARRELL'S COATING SOLUTIONS, LLC | SYLACAUGA, Talladega, AL | Pass | State |
| 2026-02-20 | OUTOKUMPU STAINLESS USA, LLC | CALVERT, Mobile, AL | Pass | State |
| 2026-02-18 | ASCEND PERFORMANCE MATERIALS LLC — high-priority violation on file | DECATUR, Morgan, AL | Pass | State |
| 2026-02-18 | ALABAMA POWER COMPANY (MILLER POWER PLANT) | QUINTON, Jefferson, AL | Pass | Local |
| 2026-02-18 | ALABAMA POWER COMPANY (MILLER POWER PLANT) | QUINTON, Jefferson, AL | Pass | Local |
| 2026-02-17 | INTERNATIONAL PAPER COMPANY | PRATTVILLE, Autauga, AL | Pass | State |
| 2026-02-17 | NOURYON FUNCTIONAL CHEMICALS LLC | AXIS, Mobile, AL | Pass | State |
| 2026-02-17 | NOURYON FUNCTIONAL CHEMICALS LLC | AXIS, Mobile, AL | Pass | State |
| 2026-02-17 | NOURYON FUNCTIONAL CHEMICALS LLC | AXIS, Mobile, AL | Pass | State |
| 2026-02-17 | 3M COMPANY | DECATUR, Morgan, AL | Pass | State |
| 2026-02-17 | LHOIST NORTH AMERICA OF ALABAMA, LLC | CALERA, Shelby, AL | Pass | State |
| 2026-02-17 | ALABAMA POWER COMPANY (MILLER POWER PLANT) | QUINTON, Jefferson, AL | Pass | Local |
| 2026-02-17 | ALABAMA POWER COMPANY (MILLER POWER PLANT) | QUINTON, Jefferson, AL | Pass | Local |
| 2026-02-13 | HONDA MANUFACTURING OF ALABAMA LLC | LINCOLN, Talladega, AL | Pass | State |
| 2026-02-12 | HONDA MANUFACTURING OF ALABAMA LLC | LINCOLN, Talladega, AL | Pass | State |
| 2026-02-11 | OCCIDENTAL CHEMICAL CORPORATION | MUSCLE SHOALS, Colbert, AL | Pass | State |
| 2026-02-11 | OCCIDENTAL CHEMICAL CORPORATION | MUSCLE SHOALS, Colbert, AL | Pass | State |
| 2026-02-11 | INTERNATIONAL PAPER COMPANY — high-priority violation on file | SELMA, Dallas, AL | Pass | State |
| 2026-02-11 | INTERNATIONAL PAPER COMPANY — high-priority violation on file | SELMA, Dallas, AL | Pass | State |
| 2026-02-11 | INTERNATIONAL PAPER COMPANY — high-priority violation on file | SELMA, Dallas, AL | Pass | State |
| 2026-02-11 | ALABAMA POWER COMPANY | WILSONVILLE, Shelby, AL | Pass | State |
| 2026-02-11 | ALABAMA POWER COMPANY (MILLER POWER PLANT) | QUINTON, Jefferson, AL | Pass | Local |
| 2026-02-11 | ALABAMA POWER COMPANY (MILLER POWER PLANT) | QUINTON, Jefferson, AL | Pass | Local |
| 2026-02-10 | OCCIDENTAL CHEMICAL CORPORATION | MUSCLE SHOALS, Colbert, AL | Pass | State |
| 2026-02-10 | OCCIDENTAL CHEMICAL CORPORATION | MUSCLE SHOALS, Colbert, AL | Pass | State |
| 2026-02-10 | ALABAMA POWER COMPANY (MILLER POWER PLANT) | QUINTON, Jefferson, AL | Pass | Local |
| 2026-02-10 | ALABAMA POWER COMPANY (MILLER POWER PLANT) | QUINTON, Jefferson, AL | Pass | Local |
| 2026-02-05 | SALEM LANDFILL | OPELIKA, Lee, AL | Pass | State |
| 2026-02-04 | FREEBIRD GAS STORAGE | DETROIT, Lamar, AL | Pass | State |
| 2026-02-04 | INEOS PHENOL | THEODORE, Mobile, AL | Pass | State |
| 2026-02-04 | INEOS PHENOL | THEODORE, Mobile, AL | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.