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 |
|---|---|---|---|---|
| 2023-10-26 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-26 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-26 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-26 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-26 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-26 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-26 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-26 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-26 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-26 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-26 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-26 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-26 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-26 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-26 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-26 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-26 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-26 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-26 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-26 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-26 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-26 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-26 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-26 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-26 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-26 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-26 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-26 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-26 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-26 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-26 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-26 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-26 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-26 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-26 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-26 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2023-10-26 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2023-10-26 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2023-10-26 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2023-10-26 | HARTFORD WATER POLLUTION CONTROL FACILITY — high-priority violation on file | HARTFORD, Hartford, CT | Pass | State |
| 2023-10-26 | ARMSTRONG WORLD INDUSTRIES, INC. | PENSACOLA, Escambia, FL | Pass | State |
| 2023-10-26 | ARMSTRONG WORLD INDUSTRIES, INC. | PENSACOLA, Escambia, FL | Pass | State |
| 2023-10-26 | GA POWER CO. - PLANT BOWEN | CARTERSVILLE, Bartow, GA | Pass | State |
| 2023-10-26 | NEW WINCUP HOLDINGS, INC. STONE MOUNTAIN | STONE MOUNTAIN, DeKalb, GA | Pass | State |
| 2023-10-26 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2023-10-26 | BD COVINGTON | COVINGTON, Newton, GA | Pass | State |
| 2023-10-26 | BD COVINGTON | COVINGTON, Newton, GA | Pass | State |
| 2023-10-26 | ABSOLUTE ENERGY LLC-SAINT ANSGAR (MONA) | SAINT ANSGAR, Mitchell, IA | Pass | State |
| 2023-10-26 | USDA-NATIONAL ANIMAL DISEASE CENTER & NATIONAL VETERINARY SERVICE LABORATORY | AMES, Story, IA | Pass | State |
| 2023-10-26 | MIDAMERICAN ENERGY CO PLEASANT HILL GDMEC | PLEASANT HILL, Polk, IA | Pass | Local |
| 2023-10-26 | SARAH BUSH LINCOLN HEALTH CENTER | MATTOON, Coles, IL | Pass | State |
| 2023-10-26 | HARRISON STEEL CASTINGS COMPANY — high-priority violation on file | ATTICA, Fountain, IN | Pass | State |
| 2023-10-26 | HARRISON STEEL CASTINGS COMPANY — high-priority violation on file | ATTICA, Fountain, IN | Pass | State |
| 2023-10-26 | HARRISON STEEL CASTINGS COMPANY — high-priority violation on file | ATTICA, Fountain, IN | Pass | State |
| 2023-10-26 | ATLAS FOUNDRY COMPANY INC | MARION, Grant, IN | Pass | State |
| 2023-10-26 | GARY SANITARY LANDFILL | GARY, Lake, IN | Pass | State |
| 2023-10-26 | KNAUF INSULATION INCORPORATED — high-priority violation on file | SHELBYVILLE, Shelby, IN | Pass | State |
| 2023-10-26 | CLEVELAND-CLIFFS STEEL CORPORATION, ROCKPORT WORKS | ROCKPORT, Spencer, IN | Pass | State |
| 2023-10-26 | CLEVELAND-CLIFFS STEEL CORPORATION, ROCKPORT WORKS | ROCKPORT, Spencer, IN | Pass | State |
| 2023-10-26 | CLEVELAND-CLIFFS STEEL CORPORATION, ROCKPORT WORKS | ROCKPORT, Spencer, IN | Pass | State |
| 2023-10-26 | CLEVELAND-CLIFFS STEEL CORPORATION, ROCKPORT WORKS | ROCKPORT, Spencer, IN | Pass | State |
| 2023-10-26 | CLEVELAND-CLIFFS STEEL CORPORATION, ROCKPORT WORKS | ROCKPORT, Spencer, IN | Pass | State |
| 2023-10-26 | CLEVELAND-CLIFFS STEEL CORPORATION, ROCKPORT WORKS | ROCKPORT, Spencer, IN | Pass | State |
| 2023-10-26 | DELTA ASPHALT | WILLIAMSVILLE, Butler, MO | Pass | State |
| 2023-10-26 | CONCORD ENERGY, LLC | CONCORD, Cabarrus, NC | Pass | State |
| 2023-10-26 | GASTON COUNTY LANDFILL - HARDIN SITE | DALLAS, Gaston, NC | Pass | State |
| 2023-10-26 | CITY OF GREENSBORO - T.Z. OSBORNE WATER RECLAMATION FACILITY — high-priority violation on file | MCLEANSVILLE, Guilford, NC | Pass | State |
| 2023-10-26 | FUTURE FOAM, INC. | HIGH POINT, Guilford, NC | Pass | State |
| 2023-10-26 | PINE HALL BRICK CO., INC. | MADISON, Rockingham, NC | Fail | State |
| 2023-10-26 | VALERO RENEWABLE FUELS COMPANY — high-priority violation on file | ALBION, Boone, NE | N/A | State |
| 2023-10-26 | GHOST COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2023-10-26 | GHOST COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2023-10-26 | TS POWER PLANT | DUNPHY, Eureka, NV | Pass | State |
| 2023-10-26 | APEX REGIONAL LANDFILL — high-priority violation on file | LAS VEGAS, Clark, NV | Pass | Local |
| 2023-10-26 | CARROLLTON COMPRESSOR FACILITY | CARROLLTON, Carroll, OH | Pass | State |
| 2023-10-26 | CARROLLTON COMPRESSOR FACILITY | CARROLLTON, Carroll, OH | Pass | State |
| 2023-10-26 | CARROLLTON COMPRESSOR FACILITY | CARROLLTON, Carroll, OH | Pass | State |
| 2023-10-26 | CHEMSULTANTS PLANT 2 | MENTOR, Lake, OH | Pass | State |
| 2023-10-26 | ULTIUM CELLS LLC | WARREN, Trumbull, OH | Fail | State |
| 2023-10-26 | EOG RESOURCES, INC. - HENDERSON SOUTH 10-12-6 PAD | SCIO, Harrison, OH | Pass | State |
| 2023-10-26 | EOG RESOURCES, INC. - HENDERSON SOUTH 10-12-6 PAD | SCIO, Harrison, OH | Pass | State |
| 2023-10-26 | EOG RESOURCES, INC. - HENDERSON SOUTH 10-12-6 PAD | SCIO, Harrison, OH | Pass | State |
| 2023-10-26 | EOG RESOURCES, INC. - MASTERS HN MON 24-12-6 PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2023-10-26 | EOG RESOURCES, INC. - MASTERS HN MON 24-12-6 PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2023-10-26 | CARDINAL POWER PLANT (CARDINAL OPERATING COMPANY) | BRILLIANT, Jefferson, OH | Pass | State |
| 2023-10-26 | ET GATHERING PROCESSING LLC / GEARY COMPRESSOR STATION | GEARY, Canadian, OK | Pass | State |
| 2023-10-26 | ET GATHERING PROCESSING LLC / GEARY COMPRESSOR STATION | GEARY, Canadian, OK | Pass | State |
| 2023-10-26 | PEOPLES ELECTRIC COOP / TARGA — high-priority violation on file | CENTRAHOMA, Coal, OK | Pass | State |
| 2023-10-26 | PEOPLES ELECTRIC COOP / TARGA — high-priority violation on file | CENTRAHOMA, Coal, OK | Pass | State |
| 2023-10-26 | PEOPLES ELECTRIC COOP / TARGA — high-priority violation on file | CENTRAHOMA, Coal, OK | Pass | State |
| 2023-10-26 | PEOPLES ELECTRIC COOP / TARGA — high-priority violation on file | CENTRAHOMA, Coal, OK | Pass | State |
| 2023-10-26 | PEOPLES ELECTRIC COOP / TARGA — high-priority violation on file | CENTRAHOMA, Coal, OK | Pass | State |
| 2023-10-26 | PEOPLES ELECTRIC COOP / TARGA — high-priority violation on file | CENTRAHOMA, Coal, OK | Pass | State |
| 2023-10-26 | BCE MACH III LLC / EHU 217H 218H | HENNESSEY, Kingfisher, OK | Pass | State |
| 2023-10-26 | BCE MACH III LLC / ROWDY 1706 1 23MH DOUGHERTY 26 17 6 1H | KINGFISHER, Kingfisher, OK | Pass | State |
| 2023-10-26 | EOG RESOURCES INC / DOROTHY COMPRESSOR STATION | BLANCHARD, McClain, OK | Pass | State |
| 2023-10-26 | EOG RESOURCES INC / DOROTHY COMPRESSOR STATION | BLANCHARD, McClain, OK | Pass | State |
| 2023-10-26 | PORTLAND GENERAL ELECTRIC COMPANY — high-priority violation on file | CLATSKANIE, Columbia, OR | Pass | State |
| 2023-10-26 | OWENS BROCKWAY GLASS CONTAINER PLT 18 — high-priority violation on file | BROCKWAY, Jefferson, PA | Pass | State |
| 2023-10-26 | KNOUSE FOODS COOP INC/PEACH GLEN TYRONE TWP | PEACH GLEN, Adams, PA | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.