EPA Air · stack tests by state and year
Air-emissions stack tests in Arkansas, 2026
- 374Stack 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 2026; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Arkansas, 2026
- Washington County 55
- Van Buren County 53
- Cleburne County 39
- Conway County 33
- White County 33
- Pulaski County 29
- Mississippi County 26
- Faulkner County 16
- Jefferson County 14
- Franklin County 13
- Sebastian County 8
- Union County 6
- Lincoln County 6
- Independence County 5
- Pope County 3
- Hot Spring County 3
- Logan County 3
- Columbia County 3
- Yell County 3
Arkansas, other years
Air-emissions stack tests recorded in Arkansas, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-04-01 | ENABLE GAS TRANSMISSION, LLC - WALKER COMPRESSOR STATION | CECIL, Franklin, AR | Pass | State |
| 2026-04-01 | ENABLE GAS TRANSMISSION, LLC - WALKER COMPRESSOR STATION | CECIL, Franklin, AR | Pass | State |
| 2026-03-31 | ET GATHERING & PROCESSING LLC. - EAST CHISMVILLE COMPRESSOR STATION | BOONEVILLE, Logan, AR | Pass | State |
| 2026-03-31 | ET GATHERING & PROCESSING LLC. - WITCHERVILLE COMPRESS STATION | HUNTINGTON, Sebastian, AR | Pass | State |
| 2026-03-30 | ET GATHERING & PROCESSING LLC. - KIBLER COMPRESSOR STATION | VAN BUREN, Crawford, AR | Pass | State |
| 2026-03-30 | ET GATHERING & PROCESSING LLC - SOUTH KIBLER COMPRESSOR STATION | KIBLER, Crawford, AR | Pass | State |
| 2026-03-17 | CHEROKEE SANITARY LANDFILL COMPANY | CHEROKEE VILLAGE, Fulton, AR | Pass | State |
| 2026-03-17 | DESOTO GATHERING COMPANY, LLC - COVE CREEK CPF-4 | DAMASCUS, Van Buren, AR | Pass | State |
| 2026-03-17 | DESOTO GATHERING COMPANY LLC. - SOUTHWEST GREER LAKE CPF-3 | BEE BRANCH, Van Buren, AR | Pass | State |
| 2026-03-16 | DESOTO GATHERING COMPANY, LLC - PHILLIPS MOUNTAIN CPF-2 | CLEVELAND, Conway, AR | Pass | State |
| 2026-03-16 | DESOTO GATHERING COMPANY, LLC - COVE CREEK CPF-2 | BEE BRANCH, Van Buren, AR | Pass | State |
| 2026-03-16 | DESOTO GATHERING COMPANY, LLC - COVE CREEK CPF-2 | BEE BRANCH, Van Buren, AR | Pass | State |
| 2026-03-16 | CITY OF DARDANELLE — high-priority violation on file | DARDANELLE, Yell, AR | Pass | State |
| 2026-03-14 | HYBAR LLC | OSCEOLA, Mississippi, AR | Pass | State |
| 2026-03-14 | HYBAR LLC | OSCEOLA, Mississippi, AR | Pass | State |
| 2026-03-12 | DESOTO GATHERING COMPANY, LLC - YELLOWSTONE CPF-3 | BEE BRANCH, Van Buren, AR | Pass | State |
| 2026-03-11 | DESOTO GATHERING COMPANY, LLC.-STONEFLY CPF 1 | SIDON, Cleburne, AR | Pass | State |
| 2026-03-11 | DESOTO GATHERING COMPANY, LLC.-STONEFLY CPF 1 | SIDON, Cleburne, AR | Pass | State |
| 2026-03-11 | DESOTO GATHERING COMPANY, LLC.-STONEFLY CPF 1 | SIDON, Cleburne, AR | Pass | State |
| 2026-03-10 | DESOTO GATHERING COMPANY, LLC - WEST CUTTHROAT CPF-2 | QUITMAN, Cleburne, AR | Pass | State |
| 2026-03-10 | DESOTO GATHERING COMPANY, LLC - WEST CUTTHROAT CPF-2 | QUITMAN, Cleburne, AR | Pass | State |
| 2026-03-10 | ET ENERGY & PROCESSING LLC. - BONANZA COMPRESSOR STATION | BONANZA, Sebastian, AR | Pass | State |
| 2026-03-10 | ET ENERGY & PROCESSING LLC. - BONANZA COMPRESSOR STATION | BONANZA, Sebastian, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-10 | APAC CENTRAL, INC. - SHARPS CRUSHER | CITY OF SPRINGDALE, Washington, AR | Pass | State |
| 2026-03-09 | RAZORBACK GATHERING COMPANY, LLC. - HARMONY CPF 1 | SEARCY, White, AR | Pass | State |
| 2026-03-09 | RAZORBACK GATHERING COMPANY, LLC. - HARMONY CPF 1 | SEARCY, White, AR | Pass | State |
| 2026-03-09 | DESOTO GATHERING COMPANY, LLC.-OLIVER CPF-1 | SEARCY, White, AR | Pass | State |
| 2026-03-05 | DESOTO GATHERING COMPANY, LLC - NEW QUITMAN CPF-1 | QUITMAN, Faulkner, AR | Pass | State |
| 2026-03-05 | DESOTO GATHERING COMPANY, LLC - MIDGE CPF-1 | SEARCY, White, AR | Pass | State |
| 2026-03-04 | DESOTO GATHERING COMPANY LLC - CHARLEY CPF-3 | HEBER SPRINGS, Cleburne, AR | Pass | State |
| 2026-03-04 | DESOTO GATHERING CO., LLC - BALD MOUNTAIN CPF -36 | CLINTON, Van Buren, AR | Pass | State |
| 2026-03-03 | DESOTO GATHERING COMPANY, LLC - SOUTH RAINBOW CPF-4 | CENTER RIDGE, Conway, AR | Pass | State |
| 2026-03-03 | DESOTO GATHEIRNG COMPANY, LLC - GRAVEL HILL CPF-2 | CLEVELAND (HISTORICAL), TOWNSHIP OF, Van Buren, AR | Pass | State |
| 2026-03-02 | DESOTO GATHERING COMPANY, LLC - GRAVEL HILL CPF-4 | SCOTLAND, Van Buren, AR | Pass | State |
| 2026-03-02 | DESOTO GATHERING COMPANY, LLC - GRAVEL HILL CPF-4 | SCOTLAND, Van Buren, AR | Pass | State |
| 2026-02-26 | GEORGIA-PACIFIC CROSSETT LLC | CROSSETT, Ashley, AR | Pass | State |
| 2026-02-26 | SOUTHWESTERN ELECTRIC POWER COMPANY D/B/A FLINT CREEK POWER PLANT | GENTRY, Benton, AR | Pass | State |
| 2026-02-26 | THE BRYCE COMPANY, LLC | SEARCY, White, AR | Pass | State |
| 2026-02-25 | BIG RIVER STEEL LLC | OSCEOLA, Mississippi, AR | Pass | State |
| 2026-02-25 | BIG RIVER STEEL LLC | OSCEOLA, Mississippi, AR | Pass | State |
| 2026-02-24 | DESOTO GATHERING COMPANY, LLC - CHARLEY CPF-4 | HEBER SPRINGS, Cleburne, AR | Pass | State |
| 2026-02-24 | DESOTO GATHERING COMPANY, LLC - COVE CREEK CPF-4 | DAMASCUS, Van Buren, AR | Pass | State |
| 2026-02-23 | RAZORBACK GATHERING COMPANY, LLC - HILLTOP COMPRESSOR STATION | CLINTON, Van Buren, AR | Pass | State |
| 2026-02-23 | RAZORBACK GATHERING COMPANY, LLC - HILLTOP COMPRESSOR STATION | CLINTON, Van Buren, AR | Pass | State |
| 2026-02-19 | RAZORBACK GATHERING COMPANY, LLC. - PEAR TREE CPF 1 | PANGBURN, White, AR | Pass | State |
| 2026-02-19 | RAZORBACK GATHERING COMPANY, LLC. - PEAR TREE CPF 1 | PANGBURN, White, AR | Pass | State |
| 2026-02-18 | RAZORBACK GATHERING COMPANY, LLC. - HARMONY CPF 1 | SEARCY, White, AR | Pass | State |
| 2026-02-18 | RAZORBACK GATHERING COMPANY, LLC. - HARMONY CPF 1 | SEARCY, White, AR | Pass | State |
| 2026-02-17 | RAZORBACK GATHERING COMPANY, LLC. - SUNNY HILL COMPRESSOR STATION | SEARCY, White, AR | Pass | State |
| 2026-02-17 | RAZORBACK GATHERING COMPANY, LLC. - SUNNY HILL COMPRESSOR STATION | SEARCY, White, AR | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.