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 |
|---|---|---|---|---|
| 2025-03-06 | MARTIN MARIETTA MATERIALS, INC. - HATTON QUARRY | COVE, Polk, AR | Pass | State |
| 2025-03-06 | MARTIN MARIETTA MATERIALS, INC. - HATTON QUARRY | COVE, Polk, AR | Pass | State |
| 2025-03-06 | DESOTO GATHERING COMPANY LLC. - SOUTHWEST GREER LAKE CPF-3 | BEE BRANCH, Van Buren, AR | Pass | State |
| 2025-03-06 | DESOTO GATHERING COMPANY, LLC - NORTH YELLOWSTONE CPF-2 | BEE BRANCH, Van Buren, AR | Pass | State |
| 2025-03-06 | NATURAL GAS PIPELINE COMPANY OF AMERICA LLC - STATION 307 — high-priority violation on file | SEARCY, White, AR | Fail | State |
| 2025-03-06 | NATURAL GAS PIPELINE COMPANY OF AMERICA LLC - STATION 307 — high-priority violation on file | SEARCY, White, AR | Fail | State |
| 2025-03-06 | NATURAL GAS PIPELINE COMPANY OF AMERICA LLC - STATION 307 — high-priority violation on file | SEARCY, White, AR | Fail | State |
| 2025-03-06 | NATURAL GAS PIPELINE COMPANY OF AMERICA LLC - STATION 307 — high-priority violation on file | SEARCY, White, AR | Pass | State |
| 2025-03-05 | LANXESS CORPORATION - CENTRAL PLANT | EL DORADO, Union, AR | Pass | State |
| 2025-03-05 | DESOTO GATHERING COMPANY, LLC - SOUTHWEST GREER LAKE CPF-5 | CLINTON, Van Buren, AR | Pass | State |
| 2025-03-05 | DESOTO GATHERING COMPANY, LLC - SOUTHWEST GREER LAKE CPF-5 | CLINTON, Van Buren, AR | Pass | State |
| 2025-03-05 | NATURAL GAS PIPELINE COMPANY OF AMERICA LLC - STATION 307 — high-priority violation on file | SEARCY, White, AR | Fail | State |
| 2025-03-04 | SOUTHWESTERN ELECTRIC POWER COMPANY D/B/A FLINT CREEK POWER PLANT | GENTRY, Benton, AR | Pass | State |
| 2025-03-04 | DESOTO GATHERING COMPANY LLC - CHARLEY CPF-3 | HEBER SPRINGS, Cleburne, AR | Pass | State |
| 2025-03-04 | PLUM POINT SERVICES COMPANY, LLC - PLUM POINT ENERGY STATION | OSCEOLA, Mississippi, AR | Pass | State |
| 2025-03-04 | DESOTO GATHERING COMPANY, LLC - MAKO CPF-1 | PANGBURN, White, AR | Pass | State |
| 2025-03-03 | DESOTO GATHERING COMPANY, LLC - NEW QUITMAN CPF-3 | QUITMAN, Cleburne, AR | Pass | State |
| 2025-03-03 | DESOTO GATHERING COMPANY, LLC - NEW QUITMAN CPF-2 | QUITMAN, Faulkner, AR | Pass | State |
| 2025-02-28 | DESOTO GATHERING COMPANY, LLC - YOGI CPF-2 | BEE BRANCH, Van Buren, AR | Pass | State |
| 2025-02-28 | DESOTO GATHERING COMPANY, LLC - SOUTHWEST GREER LAKE CPF-5 | CLINTON, Van Buren, AR | Pass | State |
| 2025-02-27 | DESOTO GATHERING COMPANY, LLC - NORTHWEST CHARLEY CPF-2 | GREERS FERRY, Cleburne, AR | Pass | State |
| 2025-02-27 | ENABLE GAS TRANSMISSION, LLC - NORTH CECIL COMPRESSOR STATION | OZARK, Franklin, AR | Pass | State |
| 2025-02-27 | ENABLE GAS TRANSMISSION, LLC - NORTH CECIL COMPRESSOR STATION | OZARK, Franklin, AR | Pass | State |
| 2025-02-27 | DESOTO GATHERING COMPANY, LLC - TIGER CPF-1 | BRADFORD, White, AR | Pass | State |
| 2025-02-26 | NATURAL GAS PIPELINE COMPANY OF AMERICA - #308 | BIGGERS, Randolph, AR | Pass | State |
| 2025-02-26 | NATURAL GAS PIPELINE COMPANY OF AMERICA - #308 | BIGGERS, Randolph, AR | Pass | State |
| 2025-02-26 | NATURAL GAS PIPELINE COMPANY OF AMERICA - #308 | BIGGERS, Randolph, AR | Pass | State |
| 2025-02-26 | NATURAL GAS PIPELINE COMPANY OF AMERICA - #308 | BIGGERS, Randolph, AR | Pass | State |
| 2025-02-26 | NATURAL GAS PIPELINE COMPANY OF AMERICA - #308 | BIGGERS, Randolph, AR | Pass | State |
| 2025-02-26 | NATURAL GAS PIPELINE COMPANY OF AMERICA - #308 | BIGGERS, Randolph, AR | Pass | State |
| 2025-02-26 | NATURAL GAS PIPELINE COMPANY OF AMERICA - #308 | BIGGERS, Randolph, AR | Pass | State |
| 2025-02-26 | NATURAL GAS PIPELINE COMPANY OF AMERICA - #308 | BIGGERS, Randolph, AR | Pass | State |
| 2025-02-26 | NATURAL GAS PIPELINE COMPANY OF AMERICA - #308 | BIGGERS, Randolph, AR | Pass | State |
| 2025-02-26 | ANTHONY FOREST PRODUCTS COMPANY, LLC | EL DORADO, Union, AR | Pass | State |
| 2025-02-26 | ANTHONY FOREST PRODUCTS COMPANY, LLC | EL DORADO, Union, AR | Pass | State |
| 2025-02-26 | DESOTO GATHERING COMPANY, LLC - NORTH YELLOWSTONE CPF-1 | BEE BRANCH, Van Buren, AR | Pass | State |
| 2025-02-26 | DESOTO GATHERING COMPANY, LLC - NORTH YELLOWSTONE CPF-1 | BEE BRANCH, Van Buren, AR | Pass | State |
| 2025-02-25 | DESOTO GATHERING COMPANY, LLC - PHILLIPS MOUNTAIN CPF-2 | CLEVELAND, Conway, AR | Pass | State |
| 2025-02-25 | DESOTO GATHERING COMPANY, LLC - GRAVEL HILL CPF-4 | SCOTLAND, Van Buren, AR | Pass | State |
| 2025-02-24 | DESOTO GATHEIRNG COMPANY, LLC - GRAVEL HILL CPF-2 | CLEVELAND (HISTORICAL), TOWNSHIP OF, Van Buren, AR | Pass | State |
| 2025-02-24 | DESOTO GATHEIRNG COMPANY, LLC - GRAVEL HILL CPF-2 | CLEVELAND (HISTORICAL), TOWNSHIP OF, Van Buren, AR | Pass | State |
| 2025-02-18 | NATURAL GAS PIPELINE COMPANY OF AMERICA LLC - STATION 306 | MALVERN, Hot Spring, AR | Pass | State |
| 2025-02-17 | DESOTO GATHERING COMPANY, LLC - SOUTHEAST RAINBOW CPF-2 | BEE BRANCH, Conway, AR | Pass | State |
| 2025-02-17 | DESOTO GATHERING COMPANY, LLC - STEELHEAD CPF-2 | CLINTON, Van Buren, AR | Pass | State |
| 2025-02-14 | U.S. VANADIUM - BENTON LLC | BENTON, Saline, AR | Pass | State |
| 2025-02-14 | TEXAS GAS - BALD KNOB COMPRESSOR | BALD KNOB, White, AR | Pass | State |
| 2025-02-06 | DESOTO GATHERING COMPANY, LLC - CHARLEY CPF-4 | HEBER SPRINGS, Cleburne, AR | Pass | State |
| 2025-02-06 | DESOTO GATHERING COMPANY, LLC - CHARLEY CPF-4 | HEBER SPRINGS, Cleburne, AR | Pass | State |
| 2025-02-05 | DESOTO GATHERING COMPANY, LLC - MIDGE CPF-5 | HEBER SPRINGS, Cleburne, AR | Pass | State |
| 2025-02-05 | NATURAL GAS PIPELINE COMPANY OF AMERICA LLC - STATION 306 | MALVERN, Hot Spring, AR | Pass | State |
| 2025-02-05 | NATURAL GAS PIPELINE COMPANY OF AMERICA LLC - STATION 306 | MALVERN, Hot Spring, AR | Pass | State |
| 2025-02-05 | NATURAL GAS PIPELINE COMPANY OF AMERICA LLC - STATION 306 | MALVERN, Hot Spring, AR | Pass | State |
| 2025-02-05 | NATURAL GAS PIPELINE COMPANY OF AMERICA LLC - STATION 306 | MALVERN, Hot Spring, AR | Pass | State |
| 2025-02-05 | NATURAL GAS PIPELINE COMPANY OF AMERICA LLC - STATION 306 | MALVERN, Hot Spring, AR | Pass | State |
| 2025-02-05 | NATURAL GAS PIPELINE COMPANY OF AMERICA LLC - STATION 306 | MALVERN, Hot Spring, AR | Pass | State |
| 2025-02-05 | NATURAL GAS PIPELINE COMPANY OF AMERICA LLC - STATION 306 | MALVERN, Hot Spring, AR | Pass | State |
| 2025-02-05 | NATURAL GAS PIPELINE COMPANY OF AMERICA LLC - STATION 306 | MALVERN, Hot Spring, AR | Pass | State |
| 2025-02-05 | NATURAL GAS PIPELINE COMPANY OF AMERICA LLC - STATION 306 | MALVERN, Hot Spring, AR | Pass | State |
| 2025-02-05 | NATURAL GAS PIPELINE COMPANY OF AMERICA LLC - STATION 306 | MALVERN, Hot Spring, AR | Pass | State |
| 2025-02-05 | ROEHM AMERICA, LLC | OSCEOLA, Mississippi, AR | Pass | State |
| 2025-02-05 | ROEHM AMERICA, LLC | OSCEOLA, Mississippi, AR | Pass | State |
| 2025-02-05 | WASTE CORPORATION OF ARKANSAS, LLC - WCA ROLLING MEADOWS LANDFILL | HAZEN, Prairie, AR | Fail | State |
| 2025-02-05 | DESOTO GATHERING COMPANY, LLC - STEELHEAD CPF-3 | CLINTON, Van Buren, AR | Pass | State |
| 2025-02-04 | DESOTO GATHERING COMPANY, LLC. - PUMA CPF-1 | HEBER SPRINGS, Cleburne, AR | Pass | State |
| 2025-02-04 | DESOTO GATHERING COMPANY, LLC. - PUMA CPF-1 | HEBER SPRINGS, Cleburne, AR | Pass | State |
| 2025-02-04 | DESOTO GATHERING COMPANY, LLC - NEW QUITMAN CPF-3 | QUITMAN, Cleburne, AR | Pass | State |
| 2025-02-04 | DESOTO GATHERING COMPANY, LLC - NEW QUITMAN CPF-1 | QUITMAN, Faulkner, AR | Pass | State |
| 2025-02-03 | DESOTO GATHERING COMPANY, LLC - MAKO CPF-1 | PANGBURN, White, AR | Pass | State |
| 2025-01-31 | ENABLE GAS TRANSMISSION, LLC - PINEY COMPRESSOR STATION | LONDON, Pope, AR | Pass | State |
| 2025-01-31 | ENABLE GAS TRANSMISSION, LLC - PINEY COMPRESSOR STATION | LONDON, Pope, AR | Pass | State |
| 2025-01-31 | ENABLE GAS TRANSMISSION, LLC - PINEY COMPRESSOR STATION | LONDON, Pope, AR | Pass | State |
| 2025-01-30 | DESOTO GATHEIRNG COMPANY, LLC - GRAVEL HILL CPF-2 | CLEVELAND (HISTORICAL), TOWNSHIP OF, Van Buren, AR | Pass | State |
| 2025-01-30 | DESOTO GATHERING COMPANY, LLC - GRAVEL HILL CPF-4 | SCOTLAND, Van Buren, AR | Pass | State |
| 2025-01-29 | ENABLE GAS TRANSMISSION, LLC - WALKER COMPRESSOR STATION | CECIL, Franklin, AR | Pass | State |
| 2025-01-29 | NATURAL GAS PIPELINE COMPANY OF AMERICA LLC - STATION 305 | TEXARKANA, Miller, AR | Pass | State |
| 2025-01-29 | NATURAL GAS PIPELINE COMPANY OF AMERICA LLC - STATION 305 | TEXARKANA, Miller, AR | Pass | State |
| 2025-01-29 | NATURAL GAS PIPELINE COMPANY OF AMERICA LLC - STATION 305 | TEXARKANA, Miller, AR | Pass | State |
| 2025-01-29 | NATURAL GAS PIPELINE COMPANY OF AMERICA LLC - STATION 305 | TEXARKANA, Miller, AR | Incomplete | State |
| 2025-01-29 | NATURAL GAS PIPELINE COMPANY OF AMERICA LLC - STATION 305 | TEXARKANA, Miller, AR | Pass | State |
| 2025-01-29 | ET GATHERING & PROCESSING LLC. - FEDERAL COMPRESSOR STATION | GREENWOOD, Sebastian, AR | Pass | State |
| 2025-01-29 | DESOTO GATHERING COMPANY, LLC - MIDGE CPF-1 | SEARCY, White, AR | Pass | State |
| 2025-01-29 | DESOTO GATHERING COMPANY, LLC - MIDGE CPF-2 | PANGBURN, White, AR | Pass | State |
| 2025-01-28 | DOMTAR A.W. LLC - ASHDOWN MILL — high-priority violation on file | ASHDOWN, Little River, AR | Pass | State |
| 2025-01-28 | ET GATHERING & PROCESSING LLC. - HINKLE COMPRESSOR STATION | GREENWOOD, Sebastian, AR | Pass | State |
| 2025-01-28 | ET GATHERING & PROCESSING LLC - WASHBURN COMPRESSOR STATION | GREENWOOD, Sebastian, AR | Pass | State |
| 2025-01-27 | DOMTAR A.W. LLC - ASHDOWN MILL — high-priority violation on file | ASHDOWN, Little River, AR | Pass | State |
| 2025-01-27 | DOMTAR A.W. LLC - ASHDOWN MILL — high-priority violation on file | ASHDOWN, Little River, AR | Pass | State |
| 2025-01-22 | BIG RIVER STEEL LLC | OSCEOLA, Mississippi, AR | Pass | State |
| 2025-01-21 | DESOTO GATHERING COMPANY, LLC - SHARKEY CPF-1 | JUDSONIA, White, AR | Pass | State |
| 2025-01-21 | DESOTO GATHERING COMPANY, LLC - TIGER CPF 2 | JUDSONIA, White, AR | Pass | State |
| 2025-01-20 | DESOTO GATHERING COMPANY LLC - NEW QUITMAN CPF-4 | QUITMAN, Faulkner, AR | Pass | State |
| 2025-01-17 | KIMBERLY-CLARK CORPORATION - MAUMELLE | MAUMELLE, Pulaski, AR | Pass | State |
| 2025-01-17 | KIMBERLY-CLARK CORPORATION - MAUMELLE | MAUMELLE, Pulaski, AR | Pass | State |
| 2025-01-17 | CITY OF DARDANELLE — high-priority violation on file | DARDANELLE, Yell, AR | Pass | State |
| 2025-01-16 | DESOTO GATHERING COMPANY, LLC - WEST CUTTHROAT CPF-1 | QUITMAN, Cleburne, AR | Pass | State |
| 2025-01-16 | DESOTO GATHERING COMPANY, LLC - WEST CUTTHROAT CPF-1 | QUITMAN, Cleburne, AR | Pass | State |
| 2025-01-15 | DESOTO GATHERING COMPANY, LLC - SOUTHWEST GREER LAKE CPF-5 | CLINTON, Van Buren, AR | Pass | State |
| 2025-01-15 | DESOTO GATHERING COMPANY, LLC - SOUTHWEST GREER LAKE CPF-5 | CLINTON, Van Buren, AR | Pass | State |
| 2025-01-14 | DESOTO GATHERING COMPANY LLC - CHARLEY CPF-3 | HEBER SPRINGS, Cleburne, AR | Pass | State |
| 2025-01-14 | ENTERGY ARKANSAS, LLC - WHITE BLUFF PLANT | REDFIELD, Jefferson, AR | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.