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 |
|---|---|---|---|---|
| 2024-10-08 | GENERAL SHALE BRICK INCORPORATED PLANT 67 | TERRE HAUTE, Vigo, IN | Pass | State |
| 2024-10-08 | GENERAL SHALE BRICK INCORPORATED PLANT 67 | TERRE HAUTE, Vigo, IN | Pass | State |
| 2024-10-08 | GENERAL SHALE BRICK INCORPORATED PLANT 67 | TERRE HAUTE, Vigo, IN | Pass | State |
| 2024-10-08 | CENTURY ALUMINUM SEBREE LLC | ROBARDS, Henderson, KY | Pass | State |
| 2024-10-08 | AGC FLAT GLASS N AMERICA INC — high-priority violation on file | RICHMOND, Madison, KY | Pass | State |
| 2024-10-08 | RESRG AUTOMOTIVE TRIM LLC | MOREHEAD (ROWAN), Rowan, KY | Pass | State |
| 2024-10-08 | BURCH 14-11HC #1-ALT #2-ALT & #3-ALT TANK BATTERY - GRAND CANE FIELD | MANSFIELD, De Soto, LA | Pass | State |
| 2024-10-08 | BURCH 14-11HC #1-ALT #2-ALT & #3-ALT TANK BATTERY - GRAND CANE FIELD | MANSFIELD, De Soto, LA | Pass | State |
| 2024-10-08 | BURCH 14-11HC #1-ALT #2-ALT & #3-ALT TANK BATTERY - GRAND CANE FIELD | MANSFIELD, De Soto, LA | Pass | State |
| 2024-10-08 | TEXAS GAS TRANSMISSION LLC - PINEVILLE COMPRESSOR STATION | PINEVILLE, Rapides, LA | Pass | State |
| 2024-10-08 | TEXAS GAS TRANSMISSION LLC - PINEVILLE COMPRESSOR STATION | PINEVILLE, Rapides, LA | Pass | State |
| 2024-10-08 | SPRAGUE OPERATING RESOURCES LLC | SEARSPORT, Waldo, ME | Pass | State |
| 2024-10-08 | HIBBING PUBLIC UTILITIES COMMISSION | HIBBING, St. Louis, MN | Fail | State |
| 2024-10-08 | TRUEROCK MATERIALS - SILER CITY PLANT | STALEY (CHATHAM,NC), Chatham, NC | Pass | State |
| 2024-10-08 | RICHMOND COUNTY TRANSFER FACILITY (ACI) | ROCKINGHAM, Richmond, NC | Pass | State |
| 2024-10-08 | MINN-DAK FARMERS COOPERATIVE (MDFC) - WAHPETON PLANT - AQ | WAHPETON, Richland, ND | Pass | State |
| 2024-10-08 | OPPD NEBRASKA CITY STATION | NEBRASKA CITY, Otoe, NE | Fail | State |
| 2024-10-08 | ADM CORN PROCESSING — high-priority violation on file | COLUMBUS, Platte, NE | N/A | State |
| 2024-10-08 | DOGTOWN COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2024-10-08 | MOCKINGBIRD CENTRAL GATHERING FACILITY | MALAGA, Eddy, NM | Pass | State |
| 2024-10-08 | MOCKINGBIRD CENTRAL GATHERING FACILITY | MALAGA, Eddy, NM | Pass | State |
| 2024-10-08 | LOST TANK 13 BOO STATION | LOVING, Eddy, NM | Pass | State |
| 2024-10-08 | LOST TANK 13 BOO STATION | LOVING, Eddy, NM | Pass | State |
| 2024-10-08 | LOST TANK 13 BOO STATION | LOVING, Eddy, NM | Pass | State |
| 2024-10-08 | ELG UTICA ALLOYS-HERKIMER | HERKIMER, Herkimer, NY | Pass | State |
| 2024-10-08 | INNOVATIVE DANC | RODMAN, Jefferson, NY | Pass | State |
| 2024-10-08 | TENNESSEE GAS PIPELINE CO COMPRESSOR STATION 230-C | LOCKPORT, Niagara, NY | Pass | State |
| 2024-10-08 | TFO TECH CO LTD | JEFFERSONVILLE, Fayette, OH | Pass | State |
| 2024-10-08 | ASCENT RESOURCES - UTICA LLC - FAUNA WEL JF | MINGO JUNCTION, Jefferson, OH | Pass | State |
| 2024-10-08 | ASCENT RESOURCES - UTICA LLC - FAUNA WEL JF | MINGO JUNCTION, Jefferson, OH | Pass | State |
| 2024-10-08 | ASCENT RESOURCES - UTICA LLC - FAUNA WEL JF | MINGO JUNCTION, Jefferson, OH | Pass | State |
| 2024-10-08 | HERRICK PAD 952535 | SARDIS, Monroe, OH | Pass | State |
| 2024-10-08 | HERRICK PAD 952535 | SARDIS, Monroe, OH | Pass | State |
| 2024-10-08 | HERRICK PAD 952535 | SARDIS, Monroe, OH | Pass | State |
| 2024-10-08 | MIAMI FORT POWER COMPANY LLC | NORTH BEND, Hamilton, OH | Pass | State |
| 2024-10-08 | VALIDUS ENERGY II MIDCON LLC / SCHULTE FIU 2 19 18XHM 3 19 18XHM | GREENFIELD, Blaine, OK | Pass | State |
| 2024-10-08 | VALIDUS ENERGY II MIDCON LLC / SCHULTE FEDERAL 6 19 18XHM SCHULTE FED | GREENFIELD, Blaine, OK | Pass | State |
| 2024-10-08 | UNBRIDLED RESOURCES LLC / BERRYMAN CTB | ARNETT, Ellis, OK | Pass | State |
| 2024-10-08 | ET GATHERING PROCESSING LLC / SILVER STRATTON COMPRESSOR STATION | ALEX, Grady, OK | Pass | State |
| 2024-10-08 | ET GATHERING PROCESSING LLC / SILVER STRATTON COMPRESSOR STATION | ALEX, Grady, OK | Pass | State |
| 2024-10-08 | TOM STACK LLC / CHISHOLM PLANT | CASHION, Kingfisher, OK | Pass | State |
| 2024-10-08 | EOG RESOURCES INC / DOROTHY COMPRESSOR STATION | BLANCHARD, McClain, OK | Pass | State |
| 2024-10-08 | EOG RESOURCES INC / DOROTHY COMPRESSOR STATION | BLANCHARD, McClain, OK | Pass | State |
| 2024-10-08 | MONROE ENERGY LLC/TRAINER — high-priority violation on file | TRAINER, Delaware, PA | Pass | State |
| 2024-10-08 | MARKWEST LIBERTY MIDSTREAM RES/DOWN HOME COMPRESSOR STATION | ROBINSON TWP, Washington, PA | Pass | State |
| 2024-10-08 | GLAXOSMITHKLINE/UPPER MERION BIOPHARM | WEST CONSHOHOCKEN, Montgomery, PA | Pass | State |
| 2024-10-08 | EQM GATHERING OPCO LLC/SNAPPING TURTLE COMP STA | WIND RIDGE, Greene, PA | Pass | State |
| 2024-10-08 | GCC DACOTAH — high-priority violation on file | RAPID CITY, Pennington, SD | Pass | State |
| 2024-10-08 | SUMIRIKO TENNESSEE, INC. | MIDWAY, Greene, TN | Pass | State |
| 2024-10-08 | MINASOLVE, LLC | MEMPHIS, Shelby, TN | Pass | Local |
| 2024-10-08 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | BEAUMONT, Jefferson, TX | N/A | State |
| 2024-10-08 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | BEAUMONT, Jefferson, TX | N/A | State |
| 2024-10-08 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | BEAUMONT, Jefferson, TX | N/A | State |
| 2024-10-08 | BASF TOTAL FINA NAFTA REGION OLEFINS COMPLEX — high-priority violation on file | PORT ARTHUR, Jefferson, TX | Pass | State |
| 2024-10-08 | NYDIG DFM LLC - DUCHESNE DATA POWER STATION (FORMERLY CRUSOE ENERGY SYSTEMS) | UPALCO, Duchesne, UT | Pass | State |
| 2024-10-08 | PORT TOWNSEND PAPER CORPORATION — high-priority violation on file | PORT TOWNSEND, Jefferson, WA | Pass | State |
| 2024-10-08 | BP WEST COAST PRODUCTS LLC — high-priority violation on file | BLAINE, Whatcom, WA | Pass | Local |
| 2024-10-08 | LENZ ENTERPRISES INC | STANWOOD, Snohomish, WA | Pass | Local |
| 2024-10-08 | STEELSCAPE, LC | WASHINGTON, Undetermined, WA | Pass | Local |
| 2024-10-08 | WISCONSIN ELECTRIC POWER COMPANY (DBA WE ENERGIES) - ROTHSCHILD BIOMASS COGENERA — high-priority violation on file | ROTHSCHILD, Marathon, WI | Pass | State |
| 2024-10-08 | BIEWER WISCONSIN SAWMILL | PRENTICE, Price, WI | Pass | State |
| 2024-10-08 | ROXUL USA INC., RAN FACILITY | RANSON, Jefferson, WV | Pass | State |
| 2024-10-08 | EASTERN GAS TRANSMISSION AND STORAGE, INC., CORNWELL STATION | CLENDENIN, Kanawha, WV | Pass | State |
| 2024-10-08 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | CHEYENNE, Laramie, WY | Pass | State |
| 2024-10-08 | WESTVACO FACILITY (WE SODA WYOMING LP) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2024-10-07 | RAZORBACK GATHERING COMPANY, LLC. - TWIN GROVES CPF 1 | GREENBRIER, Faulkner, AR | Pass | State |
| 2024-10-07 | RAZORBACK GATHERING COMPANY, LLC. - TWIN GROVES CPF 1 | GREENBRIER, Faulkner, AR | Pass | State |
| 2024-10-07 | RAZORBACK GATHERING COMPANY, LLC. - TWIN GROVES CPF 1 | GREENBRIER, Faulkner, AR | Pass | State |
| 2024-10-07 | RAZORBACK GATHERING COMPANY, LLC. - TWIN GROVES CPF 1 | GREENBRIER, Faulkner, AR | Pass | State |
| 2024-10-07 | DESOTO GATHERING COMPANY, LLC - COVE CREEK CPF-4 | DAMASCUS, Van Buren, AR | Pass | State |
| 2024-10-07 | DESOTO GATHERING COMPANY, LLC - COVE CREEK CPF-4 | DAMASCUS, Van Buren, AR | Pass | State |
| 2024-10-07 | GATX CORPORATION | COLTON, San Bernardino, CA | Pass | Local |
| 2024-10-07 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-07 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-07 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-07 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-07 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-07 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-07 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-07 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-07 | CHAFFEE COUNTY LANDFILL | SALIDA 9.0 MI. NW OF, Chaffee, CO | Pass | State |
| 2024-10-07 | ORLANDO UTILITIES COMMISSION (OUC) | TITUSVILLE, Brevard, FL | Pass | State |
| 2024-10-07 | ORLANDO UTILITIES COMMISSION (OUC) | TITUSVILLE, Brevard, FL | Pass | State |
| 2024-10-07 | OLEANDER POWER PROJECT, LP | COCOA, Brevard, FL | Pass | State |
| 2024-10-07 | BSMC LA 20-29-32 HC #1-ALT & #2-ALT TANK BATTERY - CONVERSE FIELD | LOGANSPORT, De Soto, LA | Pass | State |
| 2024-10-07 | BSMC LA 20-29-32 HC #1-ALT & #2-ALT TANK BATTERY - CONVERSE FIELD | LOGANSPORT, De Soto, LA | Pass | State |
| 2024-10-07 | WELLESLEY COLLEGE | WELLESLEY, TOWN OF, Norfolk, MA | Pass | State |
| 2024-10-07 | BOISE WHITE PAPER LLC | INTERNATIONAL FALLS, Koochiching, MN | Pass | State |
| 2024-10-07 | MARTIN MARIETTA MATERIALS, INC. - ASHEBORO QUARRY | ASHEBORO, Randolph, NC | Pass | State |
| 2024-10-07 | NPPD SHELDON STATION | HALLAM, Lancaster, NE | Pass | Local |
| 2024-10-07 | GRANDI COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2024-10-07 | MOCKINGBIRD CENTRAL GATHERING FACILITY | MALAGA, Eddy, NM | Pass | State |
| 2024-10-07 | MOCKINGBIRD CENTRAL GATHERING FACILITY | MALAGA, Eddy, NM | Pass | State |
| 2024-10-07 | RICO COMPRESSOR STATION | MALAGA, Lea, NM | Pass | State |
| 2024-10-07 | GHOST RIDER NORTH SATELLITE AND GAS LIFT | JAL, Lea, NM | Pass | State |
| 2024-10-07 | EOG RESOURCES, INC - SPARKMAN GY CEN PAD | CAMBRIDGE, Guernsey, OH | Pass | State |
| 2024-10-07 | EOG RESOURCES, INC - SPARKMAN GY CEN PAD | CAMBRIDGE, Guernsey, OH | Pass | State |
| 2024-10-07 | PALO DURO PIPELINES TEXAS GATHERING LP / KNIGHT COMPRESSOR STATION | ELK CITY, Beckham, OK | Pass | State |
| 2024-10-07 | VALIDUS ENERGY II MIDCON LLC / BLURTON 1 7 6XH | HITCHCOCK, Blaine, OK | Pass | State |
| 2024-10-07 | TOM STACK LLC / BIG SKY COMPRESSOR STATION | UNION CITY, Canadian, OK | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.