EPA Air · stack tests by year
Air-emissions stack tests in 2024
- 39,252Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2024
- California 18,905
- Ohio 2,721
- Oklahoma 1,804
- Indiana 1,704
- New Mexico 1,428
- Florida 1,427
- Wyoming 1,285
- Georgia 1,104
- Pennsylvania 905
- Alabama 721
- Arkansas 569
- Missouri 539
- Iowa 464
- Mississippi 437
- Colorado 400
- Washington 338
- Texas 271
- Wisconsin 269
- North Carolina 254
- Minnesota 250
- West Virginia 230
- South Carolina 223
- Kentucky 218
- Delaware 185
- Montana 180
- Michigan 159
- Virginia 159
- Alaska 158
- Utah 157
- Tennessee 155
- Nebraska 150
- North Dakota 138
- Arizona 126
- Connecticut 122
- New York 115
- Maine 114
- Louisiana 113
- Illinois 109
- Idaho 91
- Nevada 88
- Hawaii 67
- Kansas 64
- New Hampshire 61
- South Dakota 59
- Maryland 58
- Massachusetts 52
- Oregon 35
- Rhode Island 29
- District of Columbia 25
- New Jersey 8
- Puerto Rico 5
- Vermont 4
Other years
Air-emissions stack tests recorded in 2024
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2024-09-10 | GENERAL DYNAMICS-OTS, INC. | SACO, York, ME | Pass | State |
| 2024-09-10 | ULLAND BROTHERS INC - PLANT 3605 | CLOQUET, Carlton, MN | Pass | State |
| 2024-09-10 | TRANSCONTINENTAL GAS PIPE LINE COMPANY LLC, STATION 77 | SEMINARY, Covington, MS | Pass | State |
| 2024-09-10 | TRANSCONTINENTAL GAS PIPE LINE COMPANY LLC, STATION 77 | SEMINARY, Covington, MS | Pass | State |
| 2024-09-10 | TRANSCONTINENTAL GAS PIPE LINE COMPANY LLC, STATION 77 | SEMINARY, Covington, MS | Pass | State |
| 2024-09-10 | TRANSCONTINENTAL GAS PIPE LINE COMPANY LLC, STATION 77 | SEMINARY, Covington, MS | Pass | State |
| 2024-09-10 | TRANSCONTINENTAL GAS PIPE LINE COMPANY LLC, STATION 77 | SEMINARY, Covington, MS | Pass | State |
| 2024-09-10 | TRANSCONTINENTAL GAS PIPE LINE COMPANY LLC, STATION 77 | SEMINARY, Covington, MS | Pass | State |
| 2024-09-10 | TRANSCONTINENTAL GAS PIPE LINE COMPANY LLC, STATION 77 | SEMINARY, Covington, MS | Pass | State |
| 2024-09-10 | GULF SOUTH PIPELINE COMPANY LLC, HARRISVILLE COMPRESSOR STATION | HARRISVILLE, Simpson, MS | Pass | State |
| 2024-09-10 | GULF SOUTH PIPELINE COMPANY LLC, HARRISVILLE COMPRESSOR STATION | HARRISVILLE, Simpson, MS | Pass | State |
| 2024-09-10 | WESTROCK KRAFT PAPER, LLC | ROANOKE RAPIDS, Halifax, NC | Pass | State |
| 2024-09-10 | CAROLINA POULTRY POWER RG1, LLC | FARMVILLE, Pitt, NC | Pass | State |
| 2024-09-10 | FXI, INC. - HIGH POINT | HIGH POINT, Randolph, NC | Pass | State |
| 2024-09-10 | POET BIOREFINING-FAIRMONT LLC — high-priority violation on file | FAIRMONT, Fillmore, NE | N/A | State |
| 2024-09-10 | RAVEN NORTHBROOK LLC | SPRINGFIELD, Sarpy, NE | Pass | State |
| 2024-09-10 | MAVERICK COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2024-09-10 | MAVERICK COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2024-09-10 | MAVERICK COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2024-09-10 | MAVERICK COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2024-09-10 | BLUE QUAIL COMPRESSOR STATION | LOCO HILLS, Eddy, NM | Pass | State |
| 2024-09-10 | WILMA CENTRAL GATHERING FACILITY | MALAGA, Eddy, NM | Pass | State |
| 2024-09-10 | ACE STERN VEGAS FACILITY | LOVING, Eddy, NM | Pass | State |
| 2024-09-10 | MICHAEL RYAN TB | LIVINGSTON WHEELER, Eddy, NM | Pass | State |
| 2024-09-10 | PECOS RIVER COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2024-09-10 | PECOS RIVER COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2024-09-10 | PIRATE STATE COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-09-10 | PIRATE STATE COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-09-10 | EOG - VIPER LOCALIZED GAS LIFT STATION | JAL, Lea, NM | Pass | State |
| 2024-09-10 | EOG - VIPER LOCALIZED GAS LIFT STATION | JAL, Lea, NM | Pass | State |
| 2024-09-10 | EOG - BOA LOCALIZED GAS LIFT STATION | JAL, Lea, NM | Pass | State |
| 2024-09-10 | BALD EAGLE LGL STATION | JAL, Lea, NM | Pass | State |
| 2024-09-10 | BALD EAGLE LGL STATION | JAL, Lea, NM | Pass | State |
| 2024-09-10 | CERRO COLORADO LANDFILL (FACILITY) | ALBUQUERQUE, Bernalillo, NM | Pass | Local |
| 2024-09-10 | BROADWAY HMA PLANT | ALBUQUERQUE, Bernalillo, NM | Pass | Local |
| 2024-09-10 | PAVONIA COUNTER STORAGE | ASHLAND, Ashland, OH | Pass | State |
| 2024-09-10 | PAVONIA COUNTER STORAGE | ASHLAND, Ashland, OH | Pass | State |
| 2024-09-10 | PAVONIA COUNTER STORAGE | ASHLAND, Ashland, OH | Pass | State |
| 2024-09-10 | JOHNS MANVILLE / PLANT #01 - WTV1 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-09-10 | JOHNS MANVILLE / PLANT #01 - WTV1 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-09-10 | JOHNS MANVILLE / PLANT #01 - WTV1 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-09-10 | JOHNS MANVILLE / PLANT #01 - WTV1 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-09-10 | JOHNS MANVILLE / PLANT #01 - WTV1 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-09-10 | JOHNS MANVILLE / PLANT #01 - WTV1 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-09-10 | JOHNS MANVILLE / PLANT #01 - WTV1 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-09-10 | JOHNS MANVILLE / PLANT #01 - WTV1 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-09-10 | JOHNS MANVILLE / PLANT #01 - WTV1 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-09-10 | JOHNS MANVILLE / PLANT #01 - WTV1 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-09-10 | JOHNS MANVILLE / PLANT #01 - WTV1 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-09-10 | JOHNS MANVILLE / PLANT #01 - WTV1 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-09-10 | JOHNS MANVILLE / PLANT #01 - WTV1 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-09-10 | JOHNS MANVILLE / PLANT #01 - WTV1 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-09-10 | JOHNS MANVILLE / PLANT #01 - WTV1 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-09-10 | JOHNS MANVILLE / PLANT #01 - WTV1 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-09-10 | KINDER MORGAN TENNESSEE GAS PIPELINE STATION 204 | ALBANY, Athens, OH | Pass | State |
| 2024-09-10 | KINDER MORGAN TENNESSEE GAS PIPELINE STATION 204 | ALBANY, Athens, OH | Pass | State |
| 2024-09-10 | ASCENT RESOURCES - UTICA LLC - BANNOCK UNN BL | LAFFERTY, Belmont, OH | Pass | State |
| 2024-09-10 | ASCENT RESOURCES - UTICA LLC - BANNOCK UNN BL | LAFFERTY, Belmont, OH | Pass | State |
| 2024-09-10 | ASCENT RESOURCES - UTICA LLC - BANNOCK UNN BL | LAFFERTY, Belmont, OH | Pass | State |
| 2024-09-10 | ASCENT RESOURCES - UTICA, LLC - WASSMANN | BELLAIRE, Belmont, OH | Pass | State |
| 2024-09-10 | ASCENT RESOURCES - UTICA, LLC - WASSMANN | BELLAIRE, Belmont, OH | Pass | State |
| 2024-09-10 | ASCENT RESOURCES - UTICA, LLC - WASSMANN | BELLAIRE, Belmont, OH | Pass | State |
| 2024-09-10 | MAR-ZANE, INC. PLANT #24 | AKRON, Summit, OH | Pass | State |
| 2024-09-10 | INEOS ABS (USA) CORPORATION — high-priority violation on file | ADDYSTON, Hamilton, OH | Pass | State |
| 2024-09-10 | ET GATHERING PROCESSING LLC / GRADY COMPRESSOR STATION | CHICKASHA, Grady, OK | Pass | State |
| 2024-09-10 | ET GATHERING PROCESSING LLC / GRADY COMPRESSOR STATION | CHICKASHA, Grady, OK | Pass | State |
| 2024-09-10 | CHISHOLM OIL AND GAS OPERATING LLC / STATES 18 06 10 2OH 3OH | KINGFISHER, Kingfisher, OK | Pass | State |
| 2024-09-10 | MAGNESITA REFRACTORIES/YORK — high-priority violation on file | YORK, York, PA | Pass | State |
| 2024-09-10 | COLUMBIA GAS TRANS CORP/SALISBURY COMP STA | SALISBURY, Somerset, PA | Pass | State |
| 2024-09-10 | APPALACHIA MIDSTREAM SVC LLC/WILMOT COMP STA | WYALUSING, Bradford, PA | Pass | State |
| 2024-09-10 | MANCHESTER STREET, LLC | PROVIDENCE, Providence, RI | Pass | State |
| 2024-09-10 | ASPEN AEROGELS, INC. — high-priority violation on file | EAST PROVIDENCE, Providence, RI | Pass | State |
| 2024-09-10 | HM SOUTHEAST CEMENT LLC | HARLEYVILLE, Dorchester, SC | Pass | State |
| 2024-09-10 | KING ASPHALT INC ANDERSON PLANT | ANDERSON, Anderson, SC | Pass | State |
| 2024-09-10 | INGEVITY VIRGINIA CORPORATION | COVINGTON, Covington (city), VA | Pass | State |
| 2024-09-10 | BP WEST COAST PRODUCTS LLC — high-priority violation on file | BLAINE, Whatcom, WA | Pass | Local |
| 2024-09-10 | PUGET PAVING | PUYALLUP, Pierce, WA | Fail | Local |
| 2024-09-10 | GEORGIA PACIFIC BROADWAY LLC | GREEN BAY, Brown, WI | Pass | State |
| 2024-09-10 | BROWNTOWN FOUNDRY LLC — high-priority violation on file | BROWNTOWN, Green, WI | Pass | State |
| 2024-09-10 | CHARTER AARROWCAST | SHAWANO, Sheboygan, WI | Pass | State |
| 2024-09-10 | KOHLER CO - METALS PROCESSING COMPLEX | KOHLER, Taylor, WI | Pass | State |
| 2024-09-10 | AMCOR FILMS | OSHKOSH, Wood, WI | Pass | State |
| 2024-09-10 | CHEYENNE PRAIRIE GENERATING STATION (CHEYENNE LIGHT FUEL & POWER) | CHEYENNE, Laramie, WY | Pass | State |
| 2024-09-10 | CHEYENNE PRAIRIE GENERATING STATION (CHEYENNE LIGHT FUEL & POWER) | CHEYENNE, Laramie, WY | Pass | State |
| 2024-09-10 | CHEYENNE PRAIRIE GENERATING STATION (CHEYENNE LIGHT FUEL & POWER) | CHEYENNE, Laramie, WY | Pass | State |
| 2024-09-09 | VERTEX REFINING ALABAMA LLC | SARALAND, Mobile, AL | Pass | State |
| 2024-09-09 | DESOTO GATHERING COMPANY, LLC.-OLIVER CPF-1 | SEARCY, White, AR | Pass | State |
| 2024-09-09 | DESOTO GATHERING COMPANY, LLC - TIGER CPF 2 | JUDSONIA, White, AR | Pass | State |
| 2024-09-09 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-09-09 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-09-09 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-09-09 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-09-09 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-09-09 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-09-09 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-09-09 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2024-09-09 | FLORIDA POWER & LIGHT (PMR) | INDIANTOWN, Martin, FL | Pass | State |
| 2024-09-09 | FLORIDA POWER & LIGHT (PMR) | INDIANTOWN, Martin, FL | Pass | State |
| 2024-09-09 | FLORIDA POWER & LIGHT (PMR) | INDIANTOWN, Martin, FL | Pass | State |
| 2024-09-09 | GENERAL ASPHALT OF LAKELAND, LLC | LAKELAND, Polk, FL | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.