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 |
|---|---|---|---|---|
| 2024-09-30 | PCS PHOSPHATE COMPANY, INC. - AURORA | AURORA, Beaufort, NC | Pass | State |
| 2024-09-30 | CHUCK'S CONSTRUCTION MINE | CALABASH, Brunswick, NC | Pass | State |
| 2024-09-30 | HOUSE OF RAEFORD FARMS, INC. - WALLACE DIVISION | TEACHEY, Duplin, NC | Pass | State |
| 2024-09-30 | WHITEHORN COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2024-09-30 | DUNDEE & KOALA CTB 1 | LA HUERTA, Eddy, NM | Pass | State |
| 2024-09-30 | PECOS RIVER TREATER | MALAGA, Eddy, NM | Pass | State |
| 2024-09-30 | PLANTVIEW COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-09-30 | PLANTVIEW COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-09-30 | HORNED FROG COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-09-30 | MOCKINGBIRD COMPRESSOR STATION | LOVING, Lea, NM | Pass | State |
| 2024-09-30 | MOCKINGBIRD COMPRESSOR STATION | LOVING, Lea, NM | Pass | State |
| 2024-09-30 | MOCKINGBIRD COMPRESSOR STATION | LOVING, Lea, NM | Pass | State |
| 2024-09-30 | MOCKINGBIRD COMPRESSOR STATION | LOVING, Lea, NM | Pass | State |
| 2024-09-30 | EOG RESOURCES, INC. - SPROUL 20-13-7 PAD | UHRICHSVILLE, Tuscarawas, OH | Pass | State |
| 2024-09-30 | EOG RESOURCES, INC. - SPROUL 20-13-7 PAD | UHRICHSVILLE, Tuscarawas, OH | Pass | State |
| 2024-09-30 | EOG RESOURCES, INC. - SPROUL 20-13-7 PAD | UHRICHSVILLE, Tuscarawas, OH | Pass | State |
| 2024-09-30 | FW MIDCON I LLC / GARMS 1709 2H 3H 4H 17X JOHN 1709 2H 3 | LOYAL, Kingfisher, OK | Pass | State |
| 2024-09-30 | MUSTANG GAS PRODUCTS LLC / SILVER LAKE GAS PLANT | AMES, Major, OK | Pass | State |
| 2024-09-30 | ET GATHERING PROCESSING LLC / ROBBERSON COMPRESSOR STATION | BRAY, Stephens, OK | Pass | State |
| 2024-09-30 | ET GATHERING PROCESSING LLC / ROBBERSON COMPRESSOR STATION | BRAY, Stephens, OK | Pass | State |
| 2024-09-30 | EAST PENN MFG CO INC/SMELTER PLT | LYONS, Berks, PA | Pass | State |
| 2024-09-30 | BKV OPR LLC/P & G WAREHOUSE PAD | MESHOPPEN, Wyoming, PA | Pass | State |
| 2024-09-30 | EAGLE FLEXIBLE PACKAGING INC | WAUPUN, Fond du Lac, WI | Pass | State |
| 2024-09-30 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | CHEYENNE, Laramie, WY | Pass | State |
| 2024-09-29 | TESORO LOGISTICS, WILMINGTON TERMINAL | WILMINGTON, Los Angeles, CA | Pass | Local |
| 2024-09-29 | MOCKINGBIRD COMPRESSOR STATION | LOVING, Lea, NM | Pass | State |
| 2024-09-29 | MOCKINGBIRD COMPRESSOR STATION | LOVING, Lea, NM | Pass | State |
| 2024-09-29 | G LYBROOK UT NO 726,758,729,759,760,761 | NAGEEZI, San Juan, NM | Pass | State |
| 2024-09-29 | A M WILLIAMS STATION | GOOSE CREEK, Berkeley, SC | Pass | State |
| 2024-09-28 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-28 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-28 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-28 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-28 | CAROLINA POULTRY POWER RG1, LLC | FARMVILLE, Pitt, NC | Pass | State |
| 2024-09-28 | ANCHOR GLASS - ELMIRA | ELMIRA(C), Chemung, NY | Pass | State |
| 2024-09-28 | INTERMOUNTAIN POWER SERVICE CORPORATION | DELTA, Millard, UT | Pass | State |
| 2024-09-28 | INTERMOUNTAIN POWER SERVICE CORPORATION | DELTA, Millard, UT | Pass | State |
| 2024-09-28 | INTERMOUNTAIN POWER SERVICE CORPORATION | DELTA, Millard, UT | Pass | State |
| 2024-09-27 | B BRAUN MEDICAL | IRVINE, Orange, CA | Pass | Local |
| 2024-09-27 | BETA OFFSHORE | HUNTINGTON BEACH, Orange, CA | Pending | Local |
| 2024-09-27 | ALL AMERICAN OIL & GAS CO | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-27 | ALL AMERICAN OIL & GAS CO | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-27 | ALL AMERICAN OIL & GAS CO | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-27 | ALL AMERICAN OIL & GAS CO | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-27 | ALL AMERICAN OIL & GAS CO | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-27 | ALL AMERICAN OIL & GAS CO | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-27 | ALL AMERICAN OIL & GAS CO | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-27 | ALL AMERICAN OIL & GAS CO | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-27 | ALL AMERICAN OIL & GAS CO | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-27 | ALL AMERICAN OIL & GAS CO | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-27 | ALL AMERICAN OIL & GAS CO | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-27 | ALL AMERICAN OIL & GAS CO | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-27 | ALL AMERICAN OIL & GAS CO | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-27 | ALL AMERICAN OIL & GAS CO | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-27 | ALL AMERICAN OIL & GAS CO | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-27 | ALL AMERICAN OIL & GAS CO | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-27 | ALL AMERICAN OIL & GAS CO | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-27 | ALL AMERICAN OIL & GAS CO | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-27 | ALL AMERICAN OIL & GAS CO | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-27 | ALL AMERICAN OIL & GAS CO | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-27 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-27 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-27 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-27 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-27 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Pass | Local |
| 2024-09-27 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Pass | Local |
| 2024-09-27 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Pass | Local |
| 2024-09-27 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Pass | Local |
| 2024-09-27 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Pass | Local |
| 2024-09-27 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Pass | Local |
| 2024-09-27 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Pass | Local |
| 2024-09-27 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Pass | Local |
| 2024-09-27 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Pass | Local |
| 2024-09-27 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Pass | Local |
| 2024-09-27 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Pass | Local |
| 2024-09-27 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Pass | Local |
| 2024-09-27 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Pass | Local |
| 2024-09-27 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Pass | Local |
| 2024-09-27 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Pass | Local |
| 2024-09-27 | VERBIO — high-priority violation on file | NEVADA, Story, IA | Pass | State |
| 2024-09-27 | NICOR GAS | ANCONA, Livingston, IL | Pass | State |
| 2024-09-27 | HEIDELBERG MATERIALS US CEMENT LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2024-09-27 | HEIDELBERG MATERIALS US CEMENT LLC | LOGANSPORT, Cass, IN | Fail | State |
| 2024-09-27 | HEIDELBERG MATERIALS US CEMENT LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2024-09-27 | HEIDELBERG MATERIALS US CEMENT LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2024-09-27 | HEIDELBERG MATERIALS US CEMENT LLC | LOGANSPORT, Cass, IN | Fail | State |
| 2024-09-27 | HEIDELBERG MATERIALS US CEMENT LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2024-09-27 | ARAYMOND MANUFACTURING CENTER NORTH AMERICA INCORPORATED | LOGANSPORT, Cass, IN | Pass | State |
| 2024-09-27 | CERTAINTEED LLC (AIR) — high-priority violation on file | KANSAS CITY, Wyandotte, KS | Pass | State |
| 2024-09-27 | HEBRON-BRIDGEWATER REGIONAL REFUSE DISTRICT — high-priority violation on file | BRIDGEWATER, Grafton, NH | Pass | State |
| 2024-09-27 | CORRAL CANYON COMPRESSOR STATION | CARLSBAD, Eddy, NM | Pass | State |
| 2024-09-27 | VICTORY COMPRESSOR STATION | LA HUERTA, Eddy, NM | Pass | State |
| 2024-09-27 | ZIA II GAS PLANT | LOCO HILLS, Lea, NM | Pass | State |
| 2024-09-27 | GENIE COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-09-27 | FIREBIRD LGL STATION | JAL, Lea, NM | Pass | State |
| 2024-09-27 | HAWTHORNE ARMY DEPOT | HAWTHORNE, Mineral, NV | Pass | State |
| 2024-09-27 | ALBERT EINSTEIN COLLEGE OF MEDICINE | BRONX, Bronx, NY | Pass | State |
| 2024-09-27 | CUYAHOGA ASPHALT MATERIALS PLANT 5101 | EAST CLARIDON, Geauga, OH | Pass | State |
| 2024-09-27 | CUYAHOGA ASPHALT MATERIALS PLANT 5101 | EAST CLARIDON, Geauga, OH | Pass | State |
| 2024-09-27 | CERTAINTEED LLC | MILAN, Erie, OH | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.