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 |
|---|---|---|---|---|
| 2023-08-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-10 | PRAIRIE OPERATING CO - MEAD TANK BATTERY | AULT AREA, Weld, CO | Pass | State |
| 2023-08-10 | CMC STEEL US, LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-08-10 | CMC STEEL US, LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-08-10 | CMC STEEL US, LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-08-10 | CMC STEEL US, LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-08-10 | CMC STEEL US, LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-08-10 | CMC STEEL US, LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-08-10 | FLORIDA GAS TRANSMISSION COMPANY, LLC | TRENTON, Gilchrist, FL | Pass | State |
| 2023-08-10 | FLORIDA GAS TRANSMISSION COMPANY, LLC | TRENTON, Gilchrist, FL | Pass | State |
| 2023-08-10 | WESTROCK CP, LLC | FERNANDINA BEACH, Nassau, FL | Pass | State |
| 2023-08-10 | WESTROCK CP, LLC | FERNANDINA BEACH, Nassau, FL | Pass | State |
| 2023-08-10 | WESTROCK CP, LLC | FERNANDINA BEACH, Nassau, FL | Pass | State |
| 2023-08-10 | FLORIDA POWER AND LIGHT COMPANY | LOXAHATCHEE, Palm Beach, FL | Pass | State |
| 2023-08-10 | FLORIDA POWER AND LIGHT COMPANY | LOXAHATCHEE, Palm Beach, FL | Pass | State |
| 2023-08-10 | APAC - ATLANTIC, INC. - SAVANNAH ASPHALT PLANT | SAVANNAH, Chatham, GA | Pass | State |
| 2023-08-10 | GEORGIA-PACIFIC CEDAR SPRINGS LLC | CEDAR SPRINGS, Early, GA | Pass | State |
| 2023-08-10 | GEORGIA-PACIFIC CEDAR SPRINGS LLC | CEDAR SPRINGS, Early, GA | Pass | State |
| 2023-08-10 | GEORGIA-PACIFIC CEDAR SPRINGS LLC | CEDAR SPRINGS, Early, GA | Pass | State |
| 2023-08-10 | GEORGIA-PACIFIC CEDAR SPRINGS LLC | CEDAR SPRINGS, Early, GA | Pass | State |
| 2023-08-10 | GEORGIA-PACIFIC CEDAR SPRINGS LLC | CEDAR SPRINGS, Early, GA | Fail | State |
| 2023-08-10 | GEORGIA-PACIFIC CEDAR SPRINGS LLC | CEDAR SPRINGS, Early, GA | Pass | State |
| 2023-08-10 | GEORGIA-PACIFIC CEDAR SPRINGS LLC | CEDAR SPRINGS, Early, GA | Pass | State |
| 2023-08-10 | GEORGIA-PACIFIC CEDAR SPRINGS LLC | CEDAR SPRINGS, Early, GA | Pass | State |
| 2023-08-10 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2023-08-10 | INTERNATIONAL PAPER - FLINT RIVER MILL | OGLETHORPE, Macon, GA | Pass | State |
| 2023-08-10 | INTERNATIONAL PAPER - FLINT RIVER MILL | OGLETHORPE, Macon, GA | Pass | State |
| 2023-08-10 | INTERNATIONAL PAPER - FLINT RIVER MILL | OGLETHORPE, Macon, GA | Pass | State |
| 2023-08-10 | INTERNATIONAL PAPER - FLINT RIVER MILL | OGLETHORPE, Macon, GA | Pass | State |
| 2023-08-10 | INTERNATIONAL PAPER - FLINT RIVER MILL | OGLETHORPE, Macon, GA | Pass | State |
| 2023-08-10 | PLYMOUTH ENERGY LLC | MERRILL, Plymouth, IA | Fail | State |
| 2023-08-10 | PRESTAGE FOODS OF IOWA, LLC | EAGLE GROVE, Wright, IA | Pass | State |
| 2023-08-10 | TRI-K LANDFILL INC | STANFORD, Lincoln, KY | Pass | State |
| 2023-08-10 | T&D WOOD ENERGY LLC — high-priority violation on file | SANFORD, York, ME | Fail | State |
| 2023-08-10 | ST. FRANCIS POWER PLANT | CAMPBELL, Dunklin, MO | Pass | State |
| 2023-08-10 | ST. FRANCIS POWER PLANT | CAMPBELL, Dunklin, MO | Pass | State |
| 2023-08-10 | NUCOR STEEL SEDALIA LLC | SEDALIA, Pettis, MO | Pass | State |
| 2023-08-10 | NUCOR STEEL SEDALIA LLC | SEDALIA, Pettis, MO | Pass | State |
| 2023-08-10 | NUCOR STEEL SEDALIA LLC | SEDALIA, Pettis, MO | Pass | State |
| 2023-08-10 | NUCOR STEEL SEDALIA LLC | SEDALIA, Pettis, MO | Pass | State |
| 2023-08-10 | NUCOR STEEL SEDALIA LLC | SEDALIA, Pettis, MO | Pass | State |
| 2023-08-10 | AGP SOY PROCESSING — high-priority violation on file | HASTINGS, Adams, NE | N/A | State |
| 2023-08-10 | POET BIOREFINING-FAIRMONT LLC — high-priority violation on file | FAIRMONT, Fillmore, NE | N/A | State |
| 2023-08-10 | BRIDGEWATER POWER COMPANY, L.P. | BRIDGEWATER, Grafton, NH | Pass | State |
| 2023-08-10 | BRIDGEWATER POWER COMPANY, L.P. | BRIDGEWATER, Grafton, NH | Pass | State |
| 2023-08-10 | WILDCAT COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2023-08-10 | WILDCAT COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2023-08-10 | WILDCAT COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2023-08-10 | WILDCAT COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2023-08-10 | MARLAN EAST TANK BATTERY | EUNICE, Lea, NM | Pass | State |
| 2023-08-10 | EL CEDRO COMPRESSOR STATION | NAVAJO DAM, Rio Arriba, NM | Pass | State |
| 2023-08-10 | TWIN CREEKS MINE — high-priority violation on file | GOLCONDA, Humboldt, NV | Pass | State |
| 2023-08-10 | TWIN CREEKS MINE — high-priority violation on file | GOLCONDA, Humboldt, NV | Pass | State |
| 2023-08-10 | TWIN CREEKS MINE — high-priority violation on file | GOLCONDA, Humboldt, NV | Pass | State |
| 2023-08-10 | TWIN CREEKS MINE — high-priority violation on file | GOLCONDA, Humboldt, NV | Pass | State |
| 2023-08-10 | MSC WALBRIDGE COATINGS INC — high-priority violation on file | WALBRIDGE, Wood, OH | Pass | State |
| 2023-08-10 | MSC WALBRIDGE COATINGS INC — high-priority violation on file | WALBRIDGE, Wood, OH | Pass | State |
| 2023-08-10 | ASCENT RESOURCES - UTICA LLC - DALRYMPLE SMF JF | ADENA, Jefferson, OH | Pass | State |
| 2023-08-10 | ASCENT RESOURCES - UTICA LLC - DALRYMPLE SMF JF | ADENA, Jefferson, OH | Pass | State |
| 2023-08-10 | ASCENT RESOURCES - UTICA LLC - DALRYMPLE SMF JF | ADENA, Jefferson, OH | Pass | State |
| 2023-08-10 | ASCENT RESOURCES - UTICA LLC - RONALD SMF JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2023-08-10 | ASCENT RESOURCES - UTICA LLC - RONALD SMF JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2023-08-10 | ASCENT RESOURCES - UTICA LLC - RONALD SMF JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2023-08-10 | FAIRBORN CEMENT COMPANY LLC | XENIA, Greene, OH | Pass | State |
| 2023-08-10 | FAIRBORN CEMENT COMPANY LLC | XENIA, Greene, OH | Pass | State |
| 2023-08-10 | CONTINENTAL RESOURCES / DALWHINNIE 1R 5 4 3XHW PORTMAGEE 1 32 | DAVIS, Garvin, OK | Pass | State |
| 2023-08-10 | CONTINENTAL RESOURCES / DALWHINNIE 1R 5 4 3XHW PORTMAGEE 1 32 | DAVIS, Garvin, OK | Pass | State |
| 2023-08-10 | MARKWEST OKLAHOMA GAS CO LLC / DOROTHY COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2023-08-10 | MARKWEST OKLAHOMA GAS CO LLC / DOROTHY COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2023-08-10 | BCE MACH II LLC / BLM ROMAN NOSE 1H 28 OIL AND GAS FACIL | REYDON, Roger Mills, OK | Pass | State |
| 2023-08-10 | RAUSCH CREEK GENERATION LLC/FRAILEY TWP — high-priority violation on file | TREMONT, Schuylkill, PA | Pass | State |
| 2023-08-10 | PA DHS/POLK CTR — high-priority violation on file | POLK, Venango, PA | Pass | State |
| 2023-08-10 | CNX MIDSTREAM OPR CO LLC/NV-57 COMP STA | PROSPERITY, Washington, PA | Pass | State |
| 2023-08-10 | EXPAND OPERATING LLC/SCOTT WELLPAD | NEW MILFORD, Susquehanna, PA | Fail | State |
| 2023-08-10 | OTTER TAIL POWER COMPANY | BIG STONE CITY, Grant, SD | Pass | State |
| 2023-08-10 | OTTER TAIL POWER COMPANY | BIG STONE CITY, Grant, SD | Pass | State |
| 2023-08-10 | CARDIN FOREST PRODUCTS, LLC | SOUTH PITTSBURG, Marion, TN | Pass | State |
| 2023-08-10 | WASATCH INTEGRATED WASTE MANAGEMENT | LAYTON, Davis, UT | Fail | State |
| 2023-08-10 | GRAYMONT WESTERN (CONTINENTAL LIME) | DELTA, Millard, UT | Pass | State |
| 2023-08-10 | OWENS-BROCKWAY GLASS CONTAINER INC - TOANO | TOANO, James City, VA | Pass | State |
| 2023-08-10 | MONONGAHELA POWER COMPANY, HARRISON STATION | HAYWOOD, Harrison, WV | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.