EPA Air · stack tests by year
Air-emissions stack tests in 2023
- 26,911Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2023
- California 7,676
- Ohio 2,800
- Florida 1,589
- Indiana 1,487
- Oklahoma 1,420
- New Mexico 1,087
- Georgia 1,057
- Pennsylvania 889
- Alabama 689
- Wyoming 670
- Mississippi 625
- Arkansas 602
- Iowa 453
- Colorado 436
- Texas 395
- Missouri 328
- North Carolina 302
- Washington 283
- Wisconsin 251
- Michigan 229
- Minnesota 228
- Delaware 224
- South Carolina 222
- West Virginia 218
- Kentucky 210
- Tennessee 200
- Utah 196
- Montana 177
- Virginia 170
- North Dakota 157
- Illinois 152
- Nebraska 152
- Alaska 140
- Nevada 127
- New York 123
- Maine 111
- Connecticut 108
- Arizona 102
- Louisiana 77
- Idaho 77
- Hawaii 72
- New Hampshire 58
- New Jersey 56
- South Dakota 54
- Maryland 49
- Kansas 45
- Oregon 44
- District of Columbia 36
- Massachusetts 27
- Rhode Island 20
- Puerto Rico 6
- Vermont 5
Other years
Air-emissions stack tests recorded in 2023
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2023-09-28 | LINN OPERATING INC | KERN (SUBDIVISION), Kern, CA | Pass | Local |
| 2023-09-28 | LINN OPERATING INC | KERN (SUBDIVISION), Kern, CA | Pass | Local |
| 2023-09-28 | LINN OPERATING INC | KERN (SUBDIVISION), Kern, CA | Pass | Local |
| 2023-09-28 | WARREN F BEASLEY POWER STATION (DEMEC) | SMYRNA, Kent, DE | Pass | State |
| 2023-09-28 | WARREN F BEASLEY POWER STATION (DEMEC) | SMYRNA, Kent, DE | Pass | State |
| 2023-09-28 | WARREN F BEASLEY POWER STATION (DEMEC) | SMYRNA, Kent, DE | Pass | State |
| 2023-09-28 | WARREN F BEASLEY POWER STATION (DEMEC) | SMYRNA, Kent, DE | Pass | State |
| 2023-09-28 | WARREN F BEASLEY POWER STATION (DEMEC) | SMYRNA, Kent, DE | Pass | State |
| 2023-09-28 | WARREN F BEASLEY POWER STATION (DEMEC) | SMYRNA, Kent, DE | Pass | State |
| 2023-09-28 | WARREN F BEASLEY POWER STATION (DEMEC) | SMYRNA, Kent, DE | Pass | State |
| 2023-09-28 | WARREN F BEASLEY POWER STATION (DEMEC) | SMYRNA, Kent, DE | Pass | State |
| 2023-09-28 | WARREN F BEASLEY POWER STATION (DEMEC) | SMYRNA, Kent, DE | Pass | State |
| 2023-09-28 | WARREN F BEASLEY POWER STATION (DEMEC) | SMYRNA, Kent, DE | Pass | State |
| 2023-09-28 | WARREN F BEASLEY POWER STATION (DEMEC) | SMYRNA, Kent, DE | Pass | State |
| 2023-09-28 | WARREN F BEASLEY POWER STATION (DEMEC) | SMYRNA, Kent, DE | Pass | State |
| 2023-09-28 | WARREN F BEASLEY POWER STATION (DEMEC) | SMYRNA, Kent, DE | Pass | State |
| 2023-09-28 | WARREN F BEASLEY POWER STATION (DEMEC) | SMYRNA, Kent, DE | Pass | State |
| 2023-09-28 | WARREN F BEASLEY POWER STATION (DEMEC) | SMYRNA, Kent, DE | Pass | State |
| 2023-09-28 | WARREN F BEASLEY POWER STATION (DEMEC) | SMYRNA, Kent, DE | Pass | State |
| 2023-09-28 | WARREN F BEASLEY POWER STATION (DEMEC) | SMYRNA, Kent, DE | Pass | State |
| 2023-09-28 | JAX LNG LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-09-28 | JAX LNG LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-09-28 | JAX LNG LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-09-28 | CERTAINTEED GYPSUM PALATKA, LLC | PALATKA, Putnam, FL | Pass | State |
| 2023-09-28 | ALUDYNE COLUMBUS LLC | COLUMBUS, Muscogee, GA | Pass | State |
| 2023-09-28 | CLEARWATER PAPER CORPORATION - AUGUSTA MILL — high-priority violation on file | AUGUSTA, Richmond, GA | Pass | State |
| 2023-09-28 | CLEARWATER PAPER CORPORATION - AUGUSTA MILL — high-priority violation on file | AUGUSTA, Richmond, GA | Pass | State |
| 2023-09-28 | ZINPRO CORP - SHELL ROCK | SHELL ROCK, Butler, IA | Incomplete | State |
| 2023-09-28 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2023-09-28 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2023-09-28 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2023-09-28 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2023-09-28 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2023-09-28 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2023-09-28 | ANR PIPELINE COMPANY SHELBYVILLE COMPRESSOR STATION | SHELBYVILLE, Shelby, IN | Pass | State |
| 2023-09-28 | ANR PIPELINE COMPANY SHELBYVILLE COMPRESSOR STATION | SHELBYVILLE, Shelby, IN | Pass | State |
| 2023-09-28 | ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file | NEWBURGH, Warrick, IN | Pass | State |
| 2023-09-28 | ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file | NEWBURGH, Warrick, IN | Pass | State |
| 2023-09-28 | CONSTELLATION POWER - PERRYMAN POWER PLANT | ABERDEEN, Harford, MD | Fail | State |
| 2023-09-28 | BANKS HARDWOODS, INC. | WHITE PIGEON, St. Joseph, MI | Pass | State |
| 2023-09-28 | DOE RUN CO-BUICK RESOURCE RECYCLING FCLT | BOSS, Dent, MO | Pass | State |
| 2023-09-28 | DOE RUN CO-BUICK RESOURCE RECYCLING FCLT | BOSS, Dent, MO | Pending | State |
| 2023-09-28 | OWENS-CORNING CORPORATION | SEDALIA, Pettis, MO | Fail | State |
| 2023-09-28 | THOMAS HILL ENERGY CENTER - POWER DIVISION | CLIFTON HILL, Randolph, MO | Pass | State |
| 2023-09-28 | PRAIRIELAND FS | MEMPHIS, Scotland, MO | Pending | State |
| 2023-09-28 | COOPERATIVE ENERGY, A MISSISSIPPI ELECTRIC COOPERATIVE, MOSELLE GENERATING PLANT | MOSELLE, Jones, MS | Pass | State |
| 2023-09-28 | COOPERATIVE ENERGY, A MISSISSIPPI ELECTRIC COOPERATIVE, MOSELLE GENERATING PLANT | MOSELLE, Jones, MS | Pass | State |
| 2023-09-28 | COOPERATIVE ENERGY, A MISSISSIPPI ELECTRIC COOPERATIVE, MOSELLE GENERATING PLANT | MOSELLE, Jones, MS | Pass | State |
| 2023-09-28 | PCS PHOSPHATE COMPANY, INC. - AURORA | AURORA, Beaufort, NC | Pass | State |
| 2023-09-28 | C & H NORRIS CONSTRUCTION COMPANY, INC. | TABOR CITY, Columbus, NC | Pass | State |
| 2023-09-28 | UNILIN FLOORING, N.V. — high-priority violation on file | MOUNT GILEAD, Montgomery, NC | Pass | State |
| 2023-09-28 | OCEAN CNTY UTIL AUTH CWPCF | BAYVILLE, Ocean, NJ | Pass | State |
| 2023-09-28 | CEDAR CANYON 28 COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2023-09-28 | ENERGY TRANSFER COMPANY - DOMINATOR COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2023-09-28 | ENERGY TRANSFER COMPANY - DOMINATOR COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2023-09-28 | ENERGY TRANSFER COMPANY - DOMINATOR COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2023-09-28 | ENERGY TRANSFER COMPANY - DOMINATOR COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2023-09-28 | ENERGY TRANSFER COMPANY - DOMINATOR COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2023-09-28 | APEX REGIONAL LANDFILL — high-priority violation on file | LAS VEGAS, Clark, NV | Pass | Local |
| 2023-09-28 | LIMA REFINING COMPANY — high-priority violation on file | LIMA, Allen, OH | Pass | State |
| 2023-09-28 | LIMA REFINING COMPANY — high-priority violation on file | LIMA, Allen, OH | Pass | State |
| 2023-09-28 | ROCKIES EXPRESS PIPELINE - SENECA COMPRESSOR STATION — high-priority violation on file | OHIO, Undetermined, OH | Pass | State |
| 2023-09-28 | ROCKIES EXPRESS PIPELINE - SENECA COMPRESSOR STATION — high-priority violation on file | OHIO, Undetermined, OH | Pass | State |
| 2023-09-28 | ROCKIES EXPRESS PIPELINE - SENECA COMPRESSOR STATION — high-priority violation on file | OHIO, Undetermined, OH | Pass | State |
| 2023-09-28 | ROCKIES EXPRESS PIPELINE - SENECA COMPRESSOR STATION — high-priority violation on file | OHIO, Undetermined, OH | Pass | State |
| 2023-09-28 | ROCKIES EXPRESS PIPELINE - SENECA COMPRESSOR STATION — high-priority violation on file | OHIO, Undetermined, OH | Pass | State |
| 2023-09-28 | ROCKIES EXPRESS PIPELINE - SENECA COMPRESSOR STATION — high-priority violation on file | OHIO, Undetermined, OH | Pass | State |
| 2023-09-28 | ROCKIES EXPRESS PIPELINE - SENECA COMPRESSOR STATION — high-priority violation on file | OHIO, Undetermined, OH | Pass | State |
| 2023-09-28 | ROCKIES EXPRESS PIPELINE - SENECA COMPRESSOR STATION — high-priority violation on file | OHIO, Undetermined, OH | Pass | State |
| 2023-09-28 | ROCKIES EXPRESS PIPELINE - SENECA COMPRESSOR STATION — high-priority violation on file | OHIO, Undetermined, OH | Pass | State |
| 2023-09-28 | ROCKIES EXPRESS PIPELINE - SENECA COMPRESSOR STATION — high-priority violation on file | OHIO, Undetermined, OH | Pass | State |
| 2023-09-28 | ROCKIES EXPRESS PIPELINE - SENECA COMPRESSOR STATION — high-priority violation on file | OHIO, Undetermined, OH | Pass | State |
| 2023-09-28 | ROCKIES EXPRESS PIPELINE - SENECA COMPRESSOR STATION — high-priority violation on file | OHIO, Undetermined, OH | Pass | State |
| 2023-09-28 | BUCKEYE POWER GREENVILLE STATION | GREENVILLE, Darke, OH | Pass | State |
| 2023-09-28 | HARBISONWALKER INTERNATIONAL, INC. | WINDHAM, Portage, OH | Pass | State |
| 2023-09-28 | DCP OPERATING CO LP / CRESCENT STATION | CRESCENT, Kingfisher, OK | Pass | State |
| 2023-09-28 | BCE MACH III LLC / HOSKINS 1705 3 9MH 4 9MH 5 9MH 6 9MH P | KINGFISHER, Kingfisher, OK | Pass | State |
| 2023-09-28 | BCE MACH III LLC / LSEOU 43 4HO LSEOU 45 3HO | CRESCENT, Kingfisher, OK | Pass | State |
| 2023-09-28 | BCE MACH III LLC / LNU 80 5HO LNU 81 4HO LNU 53 2HO | DOVER, Kingfisher, OK | Pass | State |
| 2023-09-28 | PONDEROSA GATHERING LLC / PONDEROSA COMPRESSOR STATION 1 | QUINTON, Pittsburg, OK | Pass | State |
| 2023-09-28 | PONDEROSA GATHERING LLC / PONDEROSA COMPRESSOR STATION 1 | QUINTON, Pittsburg, OK | Pass | State |
| 2023-09-28 | SPEER CARBON CO LLC/ST MARYS | SAINT MARYS, Elk, PA | Pass | State |
| 2023-09-28 | NATL FUEL SUPPLY CORP/BUFFALO COMP STA | WASHINGTON, Washington, PA | Pass | State |
| 2023-09-28 | APPALACHIA MIDSTREAM SVC LLC/STONEHOUSE COMP STA | RUSH, Susquehanna, PA | Pass | State |
| 2023-09-28 | SYLVAMO NORTH AMERICA LLC - EASTOVER MILL | EASTOVER, Richland, SC | Pass | State |
| 2023-09-28 | THE CHEMOURS COMPANY FC, LLC | NEW JOHNSONVILLE, Humphreys, TN | Pass | State |
| 2023-09-28 | K&T SMOKE LLC | PALL MALL, Pickett, TN | Incomplete | State |
| 2023-09-28 | TENNESSEE VALLEY BLACKTOP INC. | DICKSON, Dickson, TN | Fail | State |
| 2023-09-28 | DOW TEXAS OPERATIONS FREEPORT — high-priority violation on file | FREEPORT, Brazoria, TX | Pass | State |
| 2023-09-28 | EXXONMOBIL OIL BEAUMONT CHEMICAL PLANT — high-priority violation on file | BEAUMONT, Jefferson, TX | N/A | State |
| 2023-09-28 | EXXONMOBIL OIL BEAUMONT CHEMICAL PLANT — high-priority violation on file | BEAUMONT, Jefferson, TX | N/A | State |
| 2023-09-28 | EXXONMOBIL OIL BEAUMONT CHEMICAL PLANT — high-priority violation on file | BEAUMONT, Jefferson, TX | N/A | State |
| 2023-09-28 | KINDER MORGAN LLC - MAIN GAS PLANT | ALTAMONT, Duchesne, UT | Pass | State |
| 2023-09-28 | MATERION NATURAL RESOURCES/BRUSH WELLMAN | UTAH, Undetermined, UT | Pass | State |
| 2023-09-28 | MATERION NATURAL RESOURCES/BRUSH WELLMAN | UTAH, Undetermined, UT | Pass | State |
| 2023-09-28 | TRANSMONTAIGNE OPERATING COMPANY L.P. - FAIRFAX TERMINAL | FAIRFAX, Fairfax (city), VA | Pass | State |
| 2023-09-28 | RES DBA STEEL DYNAMICS ROANOKE BAR DIVISION | ROANOKE, Roanoke (city), VA | Pass | State |
| 2023-09-28 | BOEING DEVELOPMENTAL CENTER | TUKWILA, King, WA | Pass | Local |
| 2023-09-28 | BOEING DEVELOPMENTAL CENTER | TUKWILA, King, WA | Pass | Local |
| 2023-09-28 | LANXESS CORPORATION — high-priority violation on file | KALAMA, Cowlitz, WA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.