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

Alabama, other years

Air-emissions stack tests recorded in Alabama, 2026

Date	Facility	Where	Kind	Agency
2026-02-04	WESTROCK COATED BOARD LLC-MAHRT MILL	PHENIX CITY, Russell, AL	Pass	State
2026-02-04	HONDA MANUFACTURING OF ALABAMA LLC	LINCOLN, Talladega, AL	Pass	State
2026-02-03	PRUET PRODUCTION COMPANY	ATMORE, Escambia, AL	Pass	State
2026-02-03	FREEBIRD GAS STORAGE	DETROIT, Lamar, AL	Pass	State
2026-02-03	FREEBIRD GAS STORAGE	DETROIT, Lamar, AL	Pass	State
2026-02-03	INEOS PHENOL	THEODORE, Mobile, AL	Pass	State
2026-01-30	KRONOSPAN USA — high-priority violation on file	EASTABOGA, Calhoun, AL	Pass	State
2026-01-30	KRONOSPAN USA — high-priority violation on file	EASTABOGA, Calhoun, AL	Pass	State
2026-01-30	BBT ALATENN, LLC	TANNER, Limestone, AL	Pass	State
2026-01-29	KRONOSPAN USA — high-priority violation on file	EASTABOGA, Calhoun, AL	Pass	State
2026-01-29	KRONOSPAN USA — high-priority violation on file	EASTABOGA, Calhoun, AL	Pass	State
2026-01-29	NEXTERA ENERGY PIPELINE HOLDINGS (LOWMAN), INC.	BUTLER, Choctaw, AL	Pass	State
2026-01-29	ALABAMA POWER COMPANY	BUCKS, Mobile, AL	Pass	State
2026-01-29	HYUNDAI MOTOR MANUFACTURING ALABAMA LLC.	MONTGOMERY, Montgomery, AL	Pass	State
2026-01-29	LHOIST NORTH AMERICA OF ALABAMA, LLC	CALERA, Shelby, AL	Pass	State
2026-01-28	NEXTERA ENERGY PIPELINE HOLDINGS (LOWMAN), INC.	BUTLER, Choctaw, AL	Pass	State
2026-01-28	HYUNDAI MOTOR MANUFACTURING ALABAMA LLC.	MONTGOMERY, Montgomery, AL	Pass	State
2026-01-28	LHOIST NORTH AMERICA OF ALABAMA, LLC	CALERA, Shelby, AL	Pass	State
2026-01-28	ALABAMA POWER COMPANY (MILLER POWER PLANT)	QUINTON, Jefferson, AL	Pass	Local
2026-01-27	INDORAMA VENTURES XYLENES & PTA LLC	DECATUR, Morgan, AL	Pass	State
2026-01-27	BBT ALATENN, LLC	TANNER, Limestone, AL	Pass	State
2026-01-27	ALABAMA POWER COMPANY (MILLER POWER PLANT)	QUINTON, Jefferson, AL	Pass	Local
2026-01-22	AM/NS CALVERT LLC	CALVERT, Mobile, AL	Pass	State
2026-01-22	AM/NS CALVERT LLC	CALVERT, Mobile, AL	Pass	State
2026-01-21	CARMEUSE LIME & STONE INC	SAGINAW, Shelby, AL	Pass	State
2026-01-21	CARMEUSE LIME & STONE INC	SAGINAW, Shelby, AL	Pass	State
2026-01-20	WESTROCK COMPANY, LLC	STEVENSON, Jackson, AL	Pass	State
2026-01-20	AM/NS CALVERT LLC	CALVERT, Mobile, AL	Pass	State
2026-01-15	MURPHY OIL USA INC	ANNISTON, Calhoun, AL	Pass	State
2026-01-15	AM/NS CALVERT LLC	CALVERT, Mobile, AL	Pass	State
2026-01-14	HENRY BRICK COMPANY, INC.	SELMA, Dallas, AL	Pass	State
2026-01-14	VERTEX REFINING ALABAMA LLC	SARALAND, Mobile, AL	Pass	State
2026-01-14	GENPAK LLC	MONTGOMERY, Montgomery, AL	Pass	State
2026-01-14	ALABAMA POWER COMPANY (MILLER POWER PLANT)	QUINTON, Jefferson, AL	Pass	Local
2026-01-13	MURPHY OIL USA INC	SHEFFIELD, Colbert, AL	Pass	State
2026-01-13	HENRY BRICK COMPANY, INC.	SELMA, Dallas, AL	Pass	State
2026-01-13	ALABAMA POWER COMPANY (MILLER POWER PLANT)	QUINTON, Jefferson, AL	Pass	Local
2026-01-13	AMERICAN CAST IRON PIPE COMPANY	BIRMINGHAM, Jefferson, AL	Pass	Local
2026-01-09	POWERSOUTH ENERGY COOPERATIVE INC	MCINTOSH, Washington, AL	Pass	State
2026-01-09	POWERSOUTH ENERGY COOPERATIVE INC	MCINTOSH, Washington, AL	Pass	State
2026-01-08	SOUTHERN NATURAL GAS	AUBURN, Lee, AL	Pass	State
2026-01-08	SOUTHERN NATURAL GAS	AUBURN, Lee, AL	Pass	State
2026-01-08	GROOMS ALUMINUM PROCESSING — high-priority violation on file	ASHVILLE, St. Clair, AL	Pass	State
2026-01-07	SOUTHERN NATURAL GAS	SELMA, Dallas, AL	Pass	State
2026-01-07	BUNGE NORTH AMERICA, INC.	DECATUR, Morgan, AL	Pass	State
2026-01-07	GROOMS ALUMINUM PROCESSING — high-priority violation on file	ASHVILLE, St. Clair, AL	Pass	State
2026-01-07	CARMEUSE LIME & STONE INC	SAGINAW, Shelby, AL	Pass	State
2026-01-07	CARMEUSE LIME & STONE INC	SAGINAW, Shelby, AL	Pass	State
2026-01-07	CARMEUSE LIME & STONE INC	SAGINAW, Shelby, AL	Pass	State
2026-01-07	SOUTHERN NATURAL GAS	NORTHPORT, Tuscaloosa, AL	Pass	State
2026-01-06	CITY OF DOTHAN SANITARY LANDFILL	DOTHAN, Houston, AL	Pass	State
2026-01-06	INDORAMA VENTURES XYLENES & PTA LLC	DECATUR, Morgan, AL	Pass	State
2026-01-06	SOUTHERN NATURAL GAS	YORK, Sumter, AL	Pass	State
2026-01-06	SOUTHERN NATURAL GAS	YORK, Sumter, AL	Pass	State
2026-01-06	SOUTHERN NATURAL GAS	NORTHPORT, Tuscaloosa, AL	Pass	State
2026-01-06	SOUTHERN NATURAL GAS	NORTHPORT, Tuscaloosa, AL	Pass	State
2026-01-06	SOUTHERN NATURAL GAS	NORTHPORT, Tuscaloosa, AL	Pass	State

Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.