EPA Air · stack tests by state and year
Air-emissions stack tests in Mississippi, 2025
- 688Stack 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 Mississippi 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 Mississippi, 2025
- Madison County 67
- Lowndes County 58
- Hinds County 55
- Jackson County 47
- Monroe County 47
- Lawrence County 41
- Perry County 26
- Lee County 25
- Smith County 25
- Harrison County 20
- Wayne County 20
- Choctaw County 19
- Jones County 19
- Simpson County 18
- Yazoo County 17
- Warren County 15
- Grenada County 14
- DeSoto County 13
- Noxubee County 12
- Covington County 11
- Panola County 11
- Forrest County 11
- Stone County 10
- Clarke County 10
- Jasper County 8
- Jefferson Davis County 7
- Copiah County 6
- George County 6
- Greene County 6
- Lamar County 5
- Alcorn County 4
- Humphreys County 4
- Washington County 4
- Scott County 4
- Kemper County 4
- Union County 4
- Hancock County 3
- Marshall County 3
- Walthall County 3
- Pontotoc County 3
- Lauderdale County 3
Mississippi, other years
Air-emissions stack tests recorded in Mississippi, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-07-08 | SUNSHINE MILLS INC — high-priority violation on file | TUPELO, Lee, MS | Pass | State |
| 2025-07-08 | SUNSHINE MILLS INC — high-priority violation on file | TUPELO, Lee, MS | Pass | State |
| 2025-07-08 | SUNSHINE MILLS INC — high-priority violation on file | TUPELO, Lee, MS | Pass | State |
| 2025-07-08 | SUNSHINE MILLS INC — high-priority violation on file | TUPELO, Lee, MS | Pass | State |
| 2025-07-08 | SUNSHINE MILLS INC — high-priority violation on file | TUPELO, Lee, MS | Pass | State |
| 2025-07-08 | SUNSHINE MILLS INC — high-priority violation on file | TUPELO, Lee, MS | Pass | State |
| 2025-07-08 | SUNSHINE MILLS INC — high-priority violation on file | TUPELO, Lee, MS | Pass | State |
| 2025-07-02 | GEORGIA PACIFIC WOOD PRODUCTS LLC, TAYLORSVILLE | TAYLORSVILLE, Smith, MS | Pass | State |
| 2025-07-02 | TELLUS OPERATING GROUP LLC, RALEIGH CO2 PLANT | RALEIGH, Smith, MS | Pass | State |
| 2025-07-02 | TELLUS OPERATING GROUP LLC, RALEIGH CO2 PLANT | RALEIGH, Smith, MS | Pass | State |
| 2025-07-02 | TELLUS OPERATING GROUP LLC, RALEIGH CO2 PLANT | RALEIGH, Smith, MS | Pass | State |
| 2025-07-01 | DENBURY ONSHORE LLC, EAST HEIDELBERG MEMBRANE SITE | HEIDELBERG, Jasper, MS | Pass | State |
| 2025-07-01 | DENBURY ONSHORE LLC, EAST HEIDELBERG MEMBRANE SITE | HEIDELBERG, Jasper, MS | Pass | State |
| 2025-07-01 | DENBURY ONSHORE LLC, EAST HEIDELBERG MEMBRANE SITE | HEIDELBERG, Jasper, MS | Pass | State |
| 2025-06-27 | WATCO TRANSLOADING LLC, WTPS AMORY BULK TERMINAL — high-priority violation on file | AMORY, Monroe, MS | Pass | State |
| 2025-06-27 | WATCO TRANSLOADING LLC, WTPS AMORY BULK TERMINAL — high-priority violation on file | AMORY, Monroe, MS | Pass | State |
| 2025-06-27 | WATCO TRANSLOADING LLC, WTPS AMORY BULK TERMINAL — high-priority violation on file | AMORY, Monroe, MS | Pass | State |
| 2025-06-27 | WATCO TRANSLOADING LLC, WTPS AMORY BULK TERMINAL — high-priority violation on file | AMORY, Monroe, MS | Pass | State |
| 2025-06-27 | WATCO TRANSLOADING LLC, WTPS AMORY BULK TERMINAL — high-priority violation on file | AMORY, Monroe, MS | Pass | State |
| 2025-06-27 | WATCO TRANSLOADING LLC, WTPS AMORY BULK TERMINAL — high-priority violation on file | AMORY, Monroe, MS | Pass | State |
| 2025-06-26 | ALUMINUM DYNAMICS, LLC | COLUMBUS, Lowndes, MS | Fail | State |
| 2025-06-26 | ALUMINUM DYNAMICS, LLC | COLUMBUS, Lowndes, MS | Pass | State |
| 2025-06-26 | ALUMINUM DYNAMICS, LLC | COLUMBUS, Lowndes, MS | Pass | State |
| 2025-06-26 | ALUMINUM DYNAMICS, LLC | COLUMBUS, Lowndes, MS | Fail | State |
| 2025-06-26 | ALUMINUM DYNAMICS, LLC | COLUMBUS, Lowndes, MS | Fail | State |
| 2025-06-26 | ALUMINUM DYNAMICS, LLC | COLUMBUS, Lowndes, MS | Pass | State |
| 2025-06-26 | ALUMINUM DYNAMICS, LLC | COLUMBUS, Lowndes, MS | Pass | State |
| 2025-06-26 | ALUMINUM DYNAMICS, LLC | COLUMBUS, Lowndes, MS | Pass | State |
| 2025-06-26 | THREE RIVERS SOLID WASTE MANAGEMENT AUTHORITY, THREE RIVERS REGIONAL LANDFILL | PONTOTOC, Pontotoc, MS | Pass | State |
| 2025-06-26 | THREE RIVERS SOLID WASTE MANAGEMENT AUTHORITY, THREE RIVERS REGIONAL LANDFILL | PONTOTOC, Pontotoc, MS | Pass | State |
| 2025-06-26 | THREE RIVERS SOLID WASTE MANAGEMENT AUTHORITY, THREE RIVERS REGIONAL LANDFILL | PONTOTOC, Pontotoc, MS | Pass | State |
| 2025-06-26 | SOUTHERN NATURAL GAS COMPANY LLC, PICKENS COMPRESSOR STATION | PICKENS, Yazoo, MS | Pass | State |
| 2025-06-26 | SOUTHERN NATURAL GAS COMPANY LLC, PICKENS COMPRESSOR STATION | PICKENS, Yazoo, MS | Pass | State |
| 2025-06-25 | MISSISSIPPI POWER COMPANY, CHEVRON COGENERATING PLANT | PASCAGOULA, Jackson, MS | Pass | State |
| 2025-06-25 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | PASCAGOULA, Jackson, MS | Pass | State |
| 2025-06-25 | ANR PIPELINE COMPANY, SARDIS COMPRESSOR STATION | SARDIS, Panola, MS | Pass | State |
| 2025-06-25 | ANR PIPELINE COMPANY, SARDIS COMPRESSOR STATION | SARDIS, Panola, MS | Pass | State |
| 2025-06-25 | ANR PIPELINE COMPANY, SARDIS COMPRESSOR STATION | SARDIS, Panola, MS | Pass | State |
| 2025-06-24 | RAIN CII CARBON LLC | PURVIS, Lamar, MS | Pass | State |
| 2025-06-24 | RAIN CII CARBON LLC | PURVIS, Lamar, MS | Pass | State |
| 2025-06-18 | MISSISSIPPI POWER COMPANY, PLANT VICTOR J DANIEL | MOSS POINT, Jackson, MS | Pass | State |
| 2025-06-18 | MISSISSIPPI POWER COMPANY, PLANT VICTOR J DANIEL | MOSS POINT, Jackson, MS | Pass | State |
| 2025-06-18 | MISSISSIPPI POWER COMPANY, PLANT VICTOR J DANIEL | MOSS POINT, Jackson, MS | Pass | State |
| 2025-06-18 | MISSISSIPPI POWER COMPANY, PLANT VICTOR J DANIEL | MOSS POINT, Jackson, MS | Pass | State |
| 2025-06-18 | MISSISSIPPI POWER COMPANY, PLANT VICTOR J DANIEL | MOSS POINT, Jackson, MS | Pass | State |
| 2025-06-18 | MISSISSIPPI POWER COMPANY, PLANT VICTOR J DANIEL | MOSS POINT, Jackson, MS | Pass | State |
| 2025-06-17 | JACK BATTE AND SONS INC | FOREST, Smith, MS | Pass | State |
| 2025-06-13 | TELLUS OPERATING GROUP LLC, RALEIGH CO2 PLANT | RALEIGH, Smith, MS | Pass | State |
| 2025-06-12 | COOPERATIVE ENERGY, A MISSISSIPPI ELECTRIC COOPERATIVE, BATESVILLE GENERATING ST | BATESVILLE, Panola, MS | Pass | State |
| 2025-06-12 | COOPERATIVE ENERGY, A MISSISSIPPI ELECTRIC COOPERATIVE, BATESVILLE GENERATING ST | BATESVILLE, Panola, MS | Pass | State |
| 2025-06-11 | COOPERATIVE ENERGY, A MISSISSIPPI ELECTRIC COOPERATIVE, BATESVILLE GENERATING ST | BATESVILLE, Panola, MS | Pass | State |
| 2025-06-11 | COOPERATIVE ENERGY, A MISSISSIPPI ELECTRIC COOPERATIVE, BATESVILLE GENERATING ST | BATESVILLE, Panola, MS | Pass | State |
| 2025-06-10 | COOPERATIVE ENERGY, A MISSISSIPPI ELECTRIC COOPERATIVE, BATESVILLE GENERATING ST | BATESVILLE, Panola, MS | Pass | State |
| 2025-06-10 | COOPERATIVE ENERGY, A MISSISSIPPI ELECTRIC COOPERATIVE, BATESVILLE GENERATING ST | BATESVILLE, Panola, MS | Pass | State |
| 2025-06-04 | CALEDONIA ENERGY PARTNERS LLC, CALEDONIA GAS STORAGE FACILITY | CALEDONIA, Lowndes, MS | Pass | State |
| 2025-06-04 | CALEDONIA ENERGY PARTNERS LLC, CALEDONIA GAS STORAGE FACILITY | CALEDONIA, Lowndes, MS | Pass | State |
| 2025-06-04 | CALEDONIA ENERGY PARTNERS LLC, CALEDONIA GAS STORAGE FACILITY | CALEDONIA, Lowndes, MS | Pass | State |
| 2025-06-03 | GULF SOUTH PIPELINE COMPANY LLC, MOSS POINT COMPRESSOR STATION | MOSS POINT, Jackson, MS | Pass | State |
| 2025-06-03 | GULF SOUTH PIPELINE COMPANY LLC, MOSS POINT COMPRESSOR STATION | MOSS POINT, Jackson, MS | Pass | State |
| 2025-06-03 | GULF SOUTH PIPELINE COMPANY LLC, MOSS POINT COMPRESSOR STATION | MOSS POINT, Jackson, MS | Pass | State |
| 2025-06-03 | CALEDONIA ENERGY PARTNERS LLC, CALEDONIA GAS STORAGE FACILITY | CALEDONIA, Lowndes, MS | Pass | State |
| 2025-06-03 | CALEDONIA ENERGY PARTNERS LLC, CALEDONIA GAS STORAGE FACILITY | CALEDONIA, Lowndes, MS | Pass | State |
| 2025-06-03 | CALEDONIA ENERGY PARTNERS LLC, CALEDONIA GAS STORAGE FACILITY | CALEDONIA, Lowndes, MS | Pass | State |
| 2025-06-03 | CALEDONIA ENERGY PARTNERS LLC, CALEDONIA GAS STORAGE FACILITY | CALEDONIA, Lowndes, MS | Pass | State |
| 2025-06-03 | CALEDONIA ENERGY PARTNERS LLC, CALEDONIA GAS STORAGE FACILITY | CALEDONIA, Lowndes, MS | Pass | State |
| 2025-06-03 | CALEDONIA ENERGY PARTNERS LLC, CALEDONIA GAS STORAGE FACILITY | CALEDONIA, Lowndes, MS | Pass | State |
| 2025-06-03 | GREENLEAF CO2 SOLUTIONS LLC, WEST YELLOW CREEK COMPRESSOR STATION — high-priority violation on file | WAYNESBORO, Wayne, MS | Pass | State |
| 2025-06-03 | GREENLEAF CO2 SOLUTIONS LLC, WEST YELLOW CREEK COMPRESSOR STATION — high-priority violation on file | WAYNESBORO, Wayne, MS | Pass | State |
| 2025-06-03 | GREENLEAF CO2 SOLUTIONS LLC, WEST YELLOW CREEK COMPRESSOR STATION — high-priority violation on file | WAYNESBORO, Wayne, MS | Pass | State |
| 2025-06-03 | GREENLEAF CO2 SOLUTIONS LLC, WEST YELLOW CREEK COMPRESSOR STATION — high-priority violation on file | WAYNESBORO, Wayne, MS | Pass | State |
| 2025-06-03 | GREENLEAF CO2 SOLUTIONS LLC, WEST YELLOW CREEK COMPRESSOR STATION — high-priority violation on file | WAYNESBORO, Wayne, MS | Pass | State |
| 2025-06-03 | GREENLEAF CO2 SOLUTIONS LLC, WEST YELLOW CREEK COMPRESSOR STATION — high-priority violation on file | WAYNESBORO, Wayne, MS | Pass | State |
| 2025-05-30 | GEORGIA PACIFIC MONTICELLO LLC | MONTICELLO, Lawrence, MS | Pass | State |
| 2025-05-30 | GEORGIA PACIFIC MONTICELLO LLC | MONTICELLO, Lawrence, MS | Pass | State |
| 2025-05-30 | GEORGIA PACIFIC MONTICELLO LLC | MONTICELLO, Lawrence, MS | Pass | State |
| 2025-05-30 | GEORGIA PACIFIC MONTICELLO LLC | MONTICELLO, Lawrence, MS | Pass | State |
| 2025-05-30 | GEORGIA PACIFIC MONTICELLO LLC | MONTICELLO, Lawrence, MS | Pass | State |
| 2025-05-30 | GEORGIA PACIFIC MONTICELLO LLC | MONTICELLO, Lawrence, MS | Pass | State |
| 2025-05-29 | GEORGIA PACIFIC MONTICELLO LLC | MONTICELLO, Lawrence, MS | Pass | State |
| 2025-05-28 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | PASCAGOULA, Jackson, MS | Pass | State |
| 2025-05-28 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | PASCAGOULA, Jackson, MS | Pass | State |
| 2025-05-28 | GEORGIA PACIFIC MONTICELLO LLC | MONTICELLO, Lawrence, MS | Pass | State |
| 2025-05-28 | GEORGIA PACIFIC MONTICELLO LLC | MONTICELLO, Lawrence, MS | Pass | State |
| 2025-05-28 | GEORGIA PACIFIC MONTICELLO LLC | MONTICELLO, Lawrence, MS | Pass | State |
| 2025-05-28 | GEORGIA PACIFIC MONTICELLO LLC | MONTICELLO, Lawrence, MS | Pass | State |
| 2025-05-28 | GEORGIA PACIFIC MONTICELLO LLC | MONTICELLO, Lawrence, MS | Pass | State |
| 2025-05-23 | GCF US HOLDINGS, LLC - COLUMBUS MILL — high-priority violation on file | COLUMBUS, Lowndes, MS | Pass | State |
| 2025-05-23 | GCF US HOLDINGS, LLC - COLUMBUS MILL — high-priority violation on file | COLUMBUS, Lowndes, MS | Pass | State |
| 2025-05-23 | GCF US HOLDINGS, LLC - COLUMBUS MILL — high-priority violation on file | COLUMBUS, Lowndes, MS | Pass | State |
| 2025-05-23 | GCF US HOLDINGS, LLC - COLUMBUS MILL — high-priority violation on file | COLUMBUS, Lowndes, MS | Pass | State |
| 2025-05-23 | GCF US HOLDINGS, LLC - COLUMBUS MILL — high-priority violation on file | COLUMBUS, Lowndes, MS | Pass | State |
| 2025-05-22 | NISSAN NORTH AMERICA INC, CANTON MANUFACTURING FACILITY | CANTON, Madison, MS | Pass | State |
| 2025-05-22 | FLORIDA GAS TRANSMISSION COMPANY LLC, WIGGINS COMPRESSOR STATION NUMBER 10 | WIGGINS, Perry, MS | Pass | State |
| 2025-05-21 | RESOLUTE FP US INC, GRENADA OPERATIONS | GRENADA, Grenada, MS | Pass | State |
| 2025-05-21 | RESOLUTE FP US INC, GRENADA OPERATIONS | GRENADA, Grenada, MS | Pass | State |
| 2025-05-21 | RESOLUTE FP US INC, GRENADA OPERATIONS | GRENADA, Grenada, MS | Pass | State |
| 2025-05-21 | RESOLUTE FP US INC, GRENADA OPERATIONS | GRENADA, Grenada, MS | Pass | State |
| 2025-05-21 | GCF US HOLDINGS, LLC - COLUMBUS MILL — high-priority violation on file | COLUMBUS, Lowndes, MS | Pass | State |
| 2025-05-21 | GCF US HOLDINGS, LLC - COLUMBUS MILL — high-priority violation on file | COLUMBUS, Lowndes, MS | Pass | State |
| 2025-05-21 | GCF US HOLDINGS, LLC - COLUMBUS MILL — high-priority violation on file | COLUMBUS, Lowndes, MS | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.