EPA Air · stack tests by state and year
Air-emissions stack tests in Arkansas, 2025
- 619Stack 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 Arkansas during 2025; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Arkansas, 2025
- Van Buren County 72
- Mississippi County 66
- White County 64
- Cleburne County 49
- Benton County 47
- Conway County 46
- Hot Spring County 32
- Faulkner County 20
- Union County 16
- Columbia County 15
- Randolph County 15
- Izard County 14
- Washington County 13
- Jefferson County 12
- Little River County 11
- Logan County 11
- Franklin County 11
- Sebastian County 10
- Calhoun County 9
- Pope County 8
- Independence County 8
- Miller County 7
- Howard County 6
- Lincoln County 6
- Ouachita County 5
- Nevada County 5
- Greene County 4
- Desha County 4
- Clark County 3
- Crawford County 3
- Prairie County 3
- Pulaski County 3
Arkansas, other years
Air-emissions stack tests recorded in Arkansas, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-04-24 | ECO-VISTA, LLC - WASTE MANAGEMENT OF ARKANSAS, INC. — high-priority violation on file | SPRINGDALE, Washington, AR | Pass | State |
| 2025-04-24 | ECO-VISTA, LLC - WASTE MANAGEMENT OF ARKANSAS, INC. — high-priority violation on file | SPRINGDALE, Washington, AR | Pass | State |
| 2025-04-23 | NUCOR YAMATO STEEL COMPANY | BLYTHEVILLE, Mississippi, AR | Pass | State |
| 2025-04-23 | NUCOR CORPORATION - NUCOR STEEL, ARKANSAS | BLYTHEVILLE, Mississippi, AR | Pass | State |
| 2025-04-23 | EXPLORATORY VENTURES, LLC. | OSCEOLA, Mississippi, AR | Pass | State |
| 2025-04-23 | EXPLORATORY VENTURES, LLC. | OSCEOLA, Mississippi, AR | Pass | State |
| 2025-04-22 | NUCOR YAMATO STEEL COMPANY | BLYTHEVILLE, Mississippi, AR | Pass | State |
| 2025-04-22 | NUCOR CORPORATION - NUCOR STEEL, ARKANSAS | BLYTHEVILLE, Mississippi, AR | Pass | State |
| 2025-04-22 | NUCOR CORPORATION - NUCOR STEEL, ARKANSAS | BLYTHEVILLE, Mississippi, AR | Pass | State |
| 2025-04-22 | NUCOR CORPORATION - NUCOR STEEL, ARKANSAS | BLYTHEVILLE, Mississippi, AR | Pass | State |
| 2025-04-20 | NUCOR CORPORATION - NUCOR STEEL, ARKANSAS | BLYTHEVILLE, Mississippi, AR | Fail | State |
| 2025-04-20 | NUCOR CORPORATION - NUCOR STEEL, ARKANSAS | BLYTHEVILLE, Mississippi, AR | Pass | State |
| 2025-04-17 | POTLATCHDELTIC MANUFACTURING LLC - WALDO LUMBER MILL | WALDO, Columbia, AR | Pass | State |
| 2025-04-17 | POTLATCHDELTIC MANUFACTURING LLC - WALDO LUMBER MILL | WALDO, Columbia, AR | Pass | State |
| 2025-04-17 | POTLATCHDELTIC MANUFACTURING LLC - WALDO LUMBER MILL | WALDO, Columbia, AR | Pass | State |
| 2025-04-17 | POTLATCHDELTIC MANUFACTURING LLC - WALDO LUMBER MILL | WALDO, Columbia, AR | Pass | State |
| 2025-04-17 | DESOTO GATHERING COMPANY, LLC - PHILLIPS MOUNTAIN CPF-2 | CLEVELAND, Conway, AR | Pass | State |
| 2025-04-17 | DESOTO GATHERING COMPANY, LLC - COVE CREEK CPF-2 | BEE BRANCH, Van Buren, AR | Pass | State |
| 2025-04-16 | DESOTO GATHERING COMPANY, LLC.-STONEFLY CPF 1 | SIDON, Cleburne, AR | Pass | State |
| 2025-04-16 | DESOTO GATHERING COMPANY, LLC.-STONEFLY CPF 1 | SIDON, Cleburne, AR | Pass | State |
| 2025-04-16 | DESOTO GATHERING COMPANY, LLC.-STONEFLY CPF 1 | SIDON, Cleburne, AR | Pass | State |
| 2025-04-16 | DESOTO GATHERING COMPANY, LLC.-STONEFLY CPF 1 | SIDON, Cleburne, AR | Pass | State |
| 2025-04-16 | DESOTO GATHERING COMPANY, LLC - YELLOWSTONE CPF-3 | BEE BRANCH, Van Buren, AR | Pass | State |
| 2025-04-15 | AMERICAN KRAFT PAPER INDUSTRIES, LLC. | WHITE HALL, Jefferson, AR | Pass | State |
| 2025-04-14 | DESOTO GATHERING COMPANY, LLC - WEST CUTTHROAT CPF-2 | QUITMAN, Cleburne, AR | Pass | State |
| 2025-04-14 | DESOTO GATHERING COMPANY, LLC - WEST CUTTHROAT CPF-2 | QUITMAN, Cleburne, AR | Pass | State |
| 2025-04-11 | RAZORBACK GATHERING COMPANY, LLC. - HARMONY CPF 1 | SEARCY, White, AR | Pass | State |
| 2025-04-11 | DESOTO GATHERING COMPANY, LLC.-OLIVER CPF-1 | SEARCY, White, AR | Pass | State |
| 2025-04-10 | DESOTO GATHERING COMPANY, LLC - NEW QUITMAN CPF-1 | QUITMAN, Faulkner, AR | Pass | State |
| 2025-04-10 | ET GATHERING & PROCESSING LLC. - WITCHERVILLE COMPRESS STATION | HUNTINGTON, Sebastian, AR | Pass | State |
| 2025-04-10 | DESOTO GATHERING COMPANY, LLC - MIDGE CPF-1 | SEARCY, White, AR | Pass | State |
| 2025-04-09 | DESOTO GATHERING COMPANY, LLC - SOUTH RAINBOW CPF-4 | CENTER RIDGE, Conway, AR | Pass | State |
| 2025-04-09 | ENABLE GAS TRANSMISSION, LLC - WALKER COMPRESSOR STATION | CECIL, Franklin, AR | Pass | State |
| 2025-04-09 | ENABLE GAS TRANSMISSION, LLC - WALKER COMPRESSOR STATION | CECIL, Franklin, AR | Pass | State |
| 2025-04-09 | ARKANSAS STEEL ASSOCIATES, LLC | NEWPORT, Jackson, AR | Pass | State |
| 2025-04-09 | ARKANSAS STEEL ASSOCIATES, LLC | NEWPORT, Jackson, AR | Pass | State |
| 2025-04-09 | EXPLORATORY VENTURES, LLC. | OSCEOLA, Mississippi, AR | Pass | State |
| 2025-04-09 | LANXESS CORPORATION - CENTRAL PLANT | EL DORADO, Union, AR | Pass | State |
| 2025-04-09 | DESOTO GATHERING CO., LLC - BALD MOUNTAIN CPF -36 | CLINTON, Van Buren, AR | Pass | State |
| 2025-04-09 | DESOTO GATHERING COMPANY, LLC - STEELHEAD CPF-3 | CLINTON, Van Buren, AR | Pass | State |
| 2025-04-08 | ET GATHERING & PROCESSING LLC. - KIBLER COMPRESSOR STATION | VAN BUREN, Crawford, AR | Pass | State |
| 2025-04-08 | ET GATHERING & PROCESSING LLC - SOUTH KIBLER COMPRESSOR STATION | KIBLER, Crawford, AR | Pass | State |
| 2025-04-08 | DESOTO GATHERING COMPANY, LLC - GRAVEL HILL CPF-4 | SCOTLAND, Van Buren, AR | Pass | State |
| 2025-04-07 | ET GATHERING & PROCESSING LLC. - EAST CHISMVILLE COMPRESSOR STATION | BOONEVILLE, Logan, AR | Pass | State |
| 2025-04-07 | ET GATHERING & PROCESSING LLC. - BROWNSVILLE COMPRESSOR STATION | BOONEVILLE, Logan, AR | Pass | State |
| 2025-04-06 | BIG RIVER STEEL LLC | OSCEOLA, Mississippi, AR | Pass | State |
| 2025-04-06 | BIG RIVER STEEL LLC | OSCEOLA, Mississippi, AR | Pass | State |
| 2025-04-01 | ENABLE MRT, LLC - GLENDALE COMPRESSOR STATION | STAR CITY, Lincoln, AR | Pass | State |
| 2025-04-01 | ENABLE MRT, LLC - GLENDALE COMPRESSOR STATION | STAR CITY, Lincoln, AR | Pass | State |
| 2025-04-01 | ENABLE MRT, LLC - GLENDALE COMPRESSOR STATION | STAR CITY, Lincoln, AR | Pass | State |
| 2025-04-01 | ENABLE MRT, LLC - GLENDALE COMPRESSOR STATION | STAR CITY, Lincoln, AR | Pass | State |
| 2025-04-01 | ENABLE MRT, LLC - GLENDALE COMPRESSOR STATION | STAR CITY, Lincoln, AR | Pass | State |
| 2025-04-01 | ENABLE MRT, LLC - GLENDALE COMPRESSOR STATION | STAR CITY, Lincoln, AR | Pass | State |
| 2025-04-01 | LANXESS CORPORATION-SOUTH PLANT | EL DORADO, Union, AR | Pass | State |
| 2025-03-27 | POWERSECURE, INC. | NASHVILLE, Howard, AR | Pass | State |
| 2025-03-26 | POWERSECURE, INC. | NASHVILLE, Howard, AR | Pass | State |
| 2025-03-26 | POWERSECURE, INC. | NASHVILLE, Howard, AR | Pass | State |
| 2025-03-25 | NATURAL GAS PIPELINE COMPANY OF AMERICA LLC - STATION 305 | TEXARKANA, Miller, AR | Pass | State |
| 2025-03-25 | EXPLORATORY VENTURES, LLC. | OSCEOLA, Mississippi, AR | Pass | State |
| 2025-03-25 | EXPLORATORY VENTURES, LLC. | OSCEOLA, Mississippi, AR | Pass | State |
| 2025-03-25 | EXPLORATORY VENTURES, LLC. | OSCEOLA, Mississippi, AR | Pass | State |
| 2025-03-25 | TYSON POULTRY, INC. | SPRINGDALE, Washington, AR | Pass | State |
| 2025-03-25 | TYSON POULTRY, INC. | SPRINGDALE, Washington, AR | Pass | State |
| 2025-03-25 | TYSON POULTRY, INC. | SPRINGDALE, Washington, AR | Pass | State |
| 2025-03-25 | TYSON POULTRY, INC. | SPRINGDALE, Washington, AR | Pass | State |
| 2025-03-25 | TEXAS GAS - BALD KNOB COMPRESSOR | BALD KNOB, White, AR | Pass | State |
| 2025-03-25 | TEXAS GAS - BALD KNOB COMPRESSOR | BALD KNOB, White, AR | Pass | State |
| 2025-03-21 | RAZORBACK GATHERING COMPANY, LLC - HILLTOP COMPRESSOR STATION | CLINTON, Van Buren, AR | Pass | State |
| 2025-03-21 | RAZORBACK GATHERING COMPANY, LLC - HILLTOP COMPRESSOR STATION | CLINTON, Van Buren, AR | Pass | State |
| 2025-03-20 | GEORGIA-PACIFIC WOOD PRODUCTS, LLC--FORDYCE OSB | FORDYCE, Calhoun, AR | Pass | State |
| 2025-03-20 | ACME BRICK COMPANY - PERLA PLANT | MALVERN, Hot Spring, AR | Pass | State |
| 2025-03-20 | ACME BRICK COMPANY - PERLA PLANT | MALVERN, Hot Spring, AR | Pass | State |
| 2025-03-20 | ACME BRICK COMPANY - OUACHITA PLANT | MALVERN, Hot Spring, AR | Pass | State |
| 2025-03-20 | FUTUREFUEL CHEMICAL COMPANY | BATESVILLE, Independence, AR | Pass | State |
| 2025-03-20 | RAZORBACK GATHERING COMPANY, LLC - HILLTOP COMPRESSOR STATION | CLINTON, Van Buren, AR | Pass | State |
| 2025-03-20 | RAZORBACK GATHERING COMPANY, LLC. - PEAR TREE CPF 1 | PANGBURN, White, AR | Pass | State |
| 2025-03-19 | RAZORBACK GATHERING COMPANY, LLC. - PEAR TREE CPF 1 | PANGBURN, White, AR | Pass | State |
| 2025-03-19 | RAZORBACK GATHERING COMPANY, LLC. - HARMONY CPF 1 | SEARCY, White, AR | Pass | State |
| 2025-03-19 | RAZORBACK GATHERING COMPANY, LLC. - HARMONY CPF 1 | SEARCY, White, AR | Pass | State |
| 2025-03-18 | GEORGIA-PACIFIC WOOD PRODUCTS, LLC--FORDYCE OSB | FORDYCE, Calhoun, AR | Pass | State |
| 2025-03-18 | RAZORBACK GATHERING COMPANY, LLC. - SUNNY HILL COMPRESSOR STATION | SEARCY, White, AR | Pass | State |
| 2025-03-18 | RAZORBACK GATHERING COMPANY, LLC. - SUNNY HILL COMPRESSOR STATION | SEARCY, White, AR | Pass | State |
| 2025-03-13 | DESOTO GATHERING COMPANY, LLC - GRIFFIN MOUNTAIN CPF-2 | JERUSALEM, Conway, AR | Pass | State |
| 2025-03-13 | DESOTO GATHERING COMPANY, LLC - STURGEON CPF-3 | CENTER RIDGE, Conway, AR | Pass | State |
| 2025-03-13 | AMRIZE BUILDING ENVELOPE LLC. | PRESCOTT, Nevada, AR | Pass | State |
| 2025-03-13 | AMRIZE BUILDING ENVELOPE LLC. | PRESCOTT, Nevada, AR | Pass | State |
| 2025-03-13 | AMRIZE BUILDING ENVELOPE LLC. | PRESCOTT, Nevada, AR | Pass | State |
| 2025-03-12 | DESOTO GATHERING COMPANY, LLC - S. RAINBOW CPF-2 | CLINTON, Conway, AR | Pass | State |
| 2025-03-12 | DESOTO GATHERING COMPANY, LLC - COVE CREEK CPF-4 | DAMASCUS, Van Buren, AR | Pass | State |
| 2025-03-11 | DESOTO GATHERING COMPANY, LLC - WEST CUTTHROAT CPF-2 | QUITMAN, Cleburne, AR | Pass | State |
| 2025-03-11 | DESOTO GATHERING COMPANY, LLC - WEST CUTTHROAT CPF-2 | QUITMAN, Cleburne, AR | Pass | State |
| 2025-03-11 | AMRIZE BUILDING ENVELOPE LLC. | PRESCOTT, Nevada, AR | Pass | State |
| 2025-03-11 | AMRIZE BUILDING ENVELOPE LLC. | PRESCOTT, Nevada, AR | Pass | State |
| 2025-03-10 | ET ENERGY & PROCESSING LLC. - BONANZA COMPRESSOR STATION | BONANZA, Sebastian, AR | Pass | State |
| 2025-03-10 | ET ENERGY & PROCESSING LLC. - BONANZA COMPRESSOR STATION | BONANZA, Sebastian, AR | Pass | State |
| 2025-03-10 | DESOTO GATHERING COMPANY, LLC - STEELHEAD CPF-2 | CLINTON, Van Buren, AR | Pass | State |
| 2025-03-10 | DESOTO GATHERING COMPANY, LLC - STEELHEAD CPF-2 | CLINTON, Van Buren, AR | Pass | State |
| 2025-03-07 | DESOTO GATHERING COMPANY, LLC - SOUTH RAINBOW CPF-4 | CENTER RIDGE, Conway, AR | Pass | State |
| 2025-03-07 | DESOTO GATHERING COMPANY, LLC - SOUTH RAINBOW CPF-4 | CENTER RIDGE, Conway, AR | Pass | State |
| 2025-03-07 | NATURAL GAS PIPELINE COMPANY OF AMERICA LLC - STATION 307 — high-priority violation on file | SEARCY, White, AR | Fail | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.