EPA Air · stack tests by state and year
Air-emissions stack tests in Louisiana, 2025
- 117Stack 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 Louisiana 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 Louisiana, 2025
- Plaquemines County 23
- Caddo County 18
- St. Charles County 12
- De Soto County 8
- Beauregard County 7
- Iberville County 7
- Calcasieu County 6
- St. James County 5
- Jefferson County 4
- Ascension County 4
- Lafourche County 3
- Morehouse County 3
Louisiana, other years
Air-emissions stack tests recorded in Louisiana, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-02-26 | BRAZZELL LATERAL DEHYDRATION FACILITY | KINGSTON, De Soto, LA | Pass | State |
| 2025-02-26 | VENTURE GLOBAL PLAQUEMINES LNG LLC - PLAQUEMINES LNG TERMINAL | PORT SULPHUR, Plaquemines, LA | Pass | State |
| 2025-02-25 | BROOME HZ #1 20-17HC #1-ALT & 29-32HC #1-ALT TANK BATTERY - BELLE BOWER FIELD | LOGANSPORT, De Soto, LA | Pass | State |
| 2025-02-25 | BROOME HZ #1 20-17HC #1-ALT & 29-32HC #1-ALT TANK BATTERY - BELLE BOWER FIELD | LOGANSPORT, De Soto, LA | Pass | State |
| 2025-02-13 | FORMENTERA OPERATIONS LLC - FIELD COMPRESSOR A-4 FACILITY | EASTON, Evangeline, LA | Pass | State |
| 2025-02-12 | TEXAS EASTERN TRANSMISSION LP - WHITE CASTLE COMPRESSOR STATION | WHITE CASTLE, Iberville, LA | Pass | State |
| 2025-02-12 | TEXAS GAS TRANSMISSION LLC - BASTROP COMPRESSOR STATION | BASTROP, Morehouse, LA | Pass | State |
| 2025-02-11 | TEXAS EASTERN TRANSMISSION LP - WHITE CASTLE COMPRESSOR STATION | WHITE CASTLE, Iberville, LA | Pass | State |
| 2025-02-11 | TEXAS GAS TRANSMISSION LLC - BASTROP COMPRESSOR STATION | BASTROP, Morehouse, LA | Pass | State |
| 2025-02-11 | TEXAS GAS TRANSMISSION LLC - BASTROP COMPRESSOR STATION | BASTROP, Morehouse, LA | Pass | State |
| 2025-01-29 | SHINTECH LOUISIANA LLC - SHINTECH PLAQUEMINE PLANT | PLAQUEMINE, Iberville, LA | Pass | State |
| 2025-01-28 | SHINTECH LOUISIANA LLC - SHINTECH PLAQUEMINE PLANT | PLAQUEMINE, Iberville, LA | Pass | State |
| 2025-01-28 | TRANSCONTINENTAL GAS PIPE LINE CO LLC (TRANSCO) - COMPRESSOR STATION #54 | WASHINGTON, St. Landry, LA | Pass | State |
| 2025-01-27 | WERNER 29 PAD | RUSTON, Lincoln, LA | Pass | State |
| 2025-01-16 | UNION CARBIDE CORP - ST CHARLES OPERATIONS | HAHNVILLE, St. Charles, LA | Fail | State |
| 2025-01-15 | TRUNKLINE GAS COMPANY LLC - TETCO BEAUREGARD COMPRESSOR STATION | RAGLEY, Beauregard, LA | Pass | State |
| 2025-01-15 | TRUNKLINE GAS COMPANY LLC - TETCO BEAUREGARD COMPRESSOR STATION | RAGLEY, Beauregard, LA | Pass | State |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.