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 |
|---|---|---|---|---|
| 2023-09-06 | TURNKEY RECYCLING & ENVIRONMENTAL ENTERPRISES | ROCHESTER, Strafford, NH | Pass | State |
| 2023-09-06 | WEST TURKEY TRACK BOOSTER — high-priority violation on file | LOCO HILLS, Eddy, NM | Pass | State |
| 2023-09-06 | WEST TURKEY TRACK BOOSTER — high-priority violation on file | LOCO HILLS, Eddy, NM | Pass | State |
| 2023-09-06 | PAUL FACILITY | MALAGA, Eddy, NM | Pass | State |
| 2023-09-06 | PADUCA BREAKS CENTRAL GATHERING FACILITY | JAL, Lea, NM | Pass | State |
| 2023-09-06 | MARGARITA CTB | MONUMENT, Lea, NM | Pass | State |
| 2023-09-06 | MARGARITA CTB | MONUMENT, Lea, NM | Pass | State |
| 2023-09-06 | GRANITE CONSTRUCTION- ASPHALT | SPARKS, Washoe, NV | Pass | Local |
| 2023-09-06 | GRAND RIVER ASPHALT CO | GRAND RIVER, Lake, OH | Pass | State |
| 2023-09-06 | AVERY DENNISON, SPECIALTY TAPE DIVISION, BLDG. 14&19 | MENTOR, Lake, OH | Pass | State |
| 2023-09-06 | EUREKA MIDSTREAM-ZINK COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2023-09-06 | EUREKA MIDSTREAM-ZINK COMPRESSOR STATION | CLARINGTON, Monroe, OH | Pass | State |
| 2023-09-06 | PENN-OHIO COAL CO., D.B.A KIMBLE SANITARY LANDFILL | DOVER, Tuscarawas, OH | Pass | State |
| 2023-09-06 | PENN-OHIO COAL CO., D.B.A KIMBLE SANITARY LANDFILL | DOVER, Tuscarawas, OH | Pass | State |
| 2023-09-06 | CROSBY-HARRISON COMPRESSOR STATION | HARRISON, Hamilton, OH | Pass | State |
| 2023-09-06 | CROSBY-HARRISON COMPRESSOR STATION | HARRISON, Hamilton, OH | Pass | State |
| 2023-09-06 | CROSBY-HARRISON COMPRESSOR STATION | HARRISON, Hamilton, OH | Pass | State |
| 2023-09-06 | CROSBY-HARRISON COMPRESSOR STATION | HARRISON, Hamilton, OH | Pass | State |
| 2023-09-06 | CROSBY-HARRISON COMPRESSOR STATION | HARRISON, Hamilton, OH | Pass | State |
| 2023-09-06 | BCE MACH LLC / LODGE TRUST 18 27 10 STA | CHEROKEE, Alfalfa, OK | Pass | State |
| 2023-09-06 | BCE MACH LLC / DORTON 31 27 11 STA | CHEROKEE, Alfalfa, OK | Pass | State |
| 2023-09-06 | BCE MACH LLC / KDL 3 26 11 STA | CHEROKEE, Alfalfa, OK | Pass | State |
| 2023-09-06 | ONEOK FIELD SERVICES CO LLC / WARD COMPRESSOR STATION NORTHERN ROWS | GEARY, Canadian, OK | Pass | State |
| 2023-09-06 | DIVERSIFIED PRODUCTION LLC / SEIFRIED TRUST 4 18 16 1H PAD | SEILING, Dewey, OK | Pass | State |
| 2023-09-06 | DIVERSIFIED PRODUCTION LLC / MYRNA 8 19 17 1H WELL PAD | SEILING, Dewey, OK | Pass | State |
| 2023-09-06 | IRON HORSE MIDSTREAM LLC / REMINGTON COMPRESSOR STATION | MINCO, Grady, OK | Pass | State |
| 2023-09-06 | MARKWEST OKLAHOMA GAS CO LLC / MOSS COMPRESSOR STATION | HOLDENVILLE, Hughes, OK | Pass | State |
| 2023-09-06 | MARKWEST OKLAHOMA GAS CO LLC / MOSS COMPRESSOR STATION | HOLDENVILLE, Hughes, OK | Pass | State |
| 2023-09-06 | MARKWEST OKLAHOMA GAS CO LLC / MOSS COMPRESSOR STATION | HOLDENVILLE, Hughes, OK | Pass | State |
| 2023-09-06 | MARKWEST OKLAHOMA GAS CO LLC / KINGFISHER COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2023-09-06 | BCE MACH III LLC / EHU 226H 227H | HENNESSEY, Kingfisher, OK | Pass | State |
| 2023-09-06 | BCE MACH III LLC / EHU 230H 231H 232H 233H | HENNESSEY, Kingfisher, OK | Pass | State |
| 2023-09-06 | PETROLINK ENERGY LLC / NORTH AJAX COMPRESSOR STATION | KENDRICK, Lincoln, OK | Pass | State |
| 2023-09-06 | TALL OAK WOODFORD LLC / TREE HOUSE COMPRESSOR FACILITY | MCALESTER, Pittsburg, OK | Pass | State |
| 2023-09-06 | TALL OAK WOODFORD LLC / TREE HOUSE COMPRESSOR FACILITY | MCALESTER, Pittsburg, OK | Pass | State |
| 2023-09-06 | CLEVELAND CLIFFS MONESSEN COKE LLC/MONESSEN COKE PLT — high-priority violation on file | MONESSEN, Westmoreland, PA | Pass | State |
| 2023-09-06 | SPEER CARBON CO LLC/ST MARYS | SAINT MARYS, Elk, PA | Pass | State |
| 2023-09-06 | NFG MIDSTREAM COVINGTON LLC/EMPIRE BOOSTER CS | MANSFIELD, Tioga, PA | Pass | State |
| 2023-09-06 | REGENCY MARCELLUS GAS GATHERING LLC/ AUBURN STA | MESHOPPEN, Susquehanna, PA | Pass | State |
| 2023-09-06 | PETE LIEN & SONS, INC. MAIN PLANT | RAPID CITY, Pennington, SD | Pass | State |
| 2023-09-06 | STABILIT AMERICA, INC. — high-priority violation on file | MOSCOW, Fayette, TN | Pass | State |
| 2023-09-06 | ECO-ENERGY STONE MOUNTAIN, LLC DBA STONE MOUNTAIN PROCESSING INLET FEED | ROGERSVILLE, Hawkins, TN | Pass | State |
| 2023-09-06 | EXXONMOBIL OIL CORP. (EMOC) | MEMPHIS, Shelby, TN | Pass | Local |
| 2023-09-06 | TESORO WEST COAST/FORMER BP AMOCO | SALT LAKE CITY, Salt Lake, UT | Pass | State |
| 2023-09-06 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2023-09-06 | PUGET SOUND ENERGY - SUMAS | SUMAS, Whatcom, WA | Pass | Local |
| 2023-09-06 | AEROJET ROCKETDYNE, INC. | REDMOND, King, WA | Pass | Local |
| 2023-09-06 | AEROJET ROCKETDYNE, INC. | REDMOND, King, WA | Pass | Local |
| 2023-09-06 | DAIRYLAND POWER COOP ALMA SITE | ALMA, Buffalo, WI | Pass | State |
| 2023-09-06 | DAIRYLAND POWER COOP ALMA SITE | ALMA, Buffalo, WI | Pass | State |
| 2023-09-06 | AMERICAN PACKAGING CORP | COLUMBUS, Columbia, WI | Pass | State |
| 2023-09-06 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | SUPERIOR, Douglas, WI | Pass | State |
| 2023-09-06 | AMCOR WISCONSIN, LLC - BOSCOBEL — high-priority violation on file | BOSCOBEL, Grant, WI | Pass | State |
| 2023-09-06 | ARDAGH GLASS INC — high-priority violation on file | BURLINGTON, Richland, WI | N/A | State |
| 2023-09-06 | OMNIS PLEASANTS, LLC, PLEASANTS POWER STATION | WILLOW ISLAND, Pleasants, WV | Pass | State |
| 2023-09-06 | AOC MATERIALS, LLC, NEAL PLANT | KENOVA, Wayne, WV | Pass | State |
| 2023-09-06 | PRCC COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-09-06 | PRCC COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-09-06 | PRCC COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-09-06 | PRCC COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-09-06 | WESTVACO FACILITY (WE SODA WYOMING LP) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2023-09-05 | COLORMASTERS INC | ALBERTVILLE, Marshall, AL | Pass | State |
| 2023-09-05 | POLARIS PRODUCTION OPCO - BIG SKY 4-11 | GENOA 18.8 MI. N OF, Lincoln, CO | Pass | State |
| 2023-09-05 | DCP OPERATING CO - GREELEY NATURAL GAS P | EVANS AREA, Weld, CO | Pass | State |
| 2023-09-05 | DCP OPERATING CO - GREELEY NATURAL GAS P | EVANS AREA, Weld, CO | Pass | State |
| 2023-09-05 | DCP OPERATING CO - GREELEY NATURAL GAS P | EVANS AREA, Weld, CO | Pass | State |
| 2023-09-05 | DCP OPERATING CO - GREELEY NATURAL GAS P | EVANS AREA, Weld, CO | Pass | State |
| 2023-09-05 | TITAN AMERICA, LLC | TAMPA, Hillsborough, FL | Pass | State |
| 2023-09-05 | SAMPLE & SON CONSTRUCTION AND DEMOLITION LANDFILL — high-priority violation on file | GROVETOWN, Columbia, GA | Pass | State |
| 2023-09-05 | OWLS HEAD ALLOYS INC | BOWLING GREEN, Warren, KY | Pass | State |
| 2023-09-05 | MCCAIN FOODS USA, INC. | EASTON, Aroostook, ME | Pass | State |
| 2023-09-05 | AMRIZE MIDWEST INC - NONMETALLIC | EAGAN, Dakota, MN | Pass | State |
| 2023-09-05 | EP ENGINEERED CLAYS CORPORATION — high-priority violation on file | JACKSON, Hinds, MS | Pass | State |
| 2023-09-05 | EP ENGINEERED CLAYS CORPORATION — high-priority violation on file | JACKSON, Hinds, MS | Pass | State |
| 2023-09-05 | EP ENGINEERED CLAYS CORPORATION — high-priority violation on file | JACKSON, Hinds, MS | Pass | State |
| 2023-09-05 | SUN MOUNTAIN LUMBER | DEER LODGE, Powell, MT | Pass | State |
| 2023-09-05 | TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC - STATION 150 | MOORESVILLE, Iredell, NC | Pending | State |
| 2023-09-05 | SAMPSON COUNTY DISPOSAL, LLC | ROSEBORO, Sampson, NC | Pass | State |
| 2023-09-05 | HUSKER AG LLC | PLAINVIEW, Pierce, NE | N/A | State |
| 2023-09-05 | WEST TURKEY TRACK BOOSTER — high-priority violation on file | LOCO HILLS, Eddy, NM | Pass | State |
| 2023-09-05 | WEST TURKEY TRACK BOOSTER — high-priority violation on file | LOCO HILLS, Eddy, NM | Pass | State |
| 2023-09-05 | AVALON COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2023-09-05 | AVALON COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2023-09-05 | IRON HORSE MIDSTREAM LLC / TERRITORY COMPRESSOR STATION | EL RENO, Canadian, OK | Pass | State |
| 2023-09-05 | MARKWEST OKLAHOMA GAS CO LLC / WOMACK COMPRESSOR STATION | COALGATE, Coal, OK | Pass | State |
| 2023-09-05 | DIVERSIFIED PRODUCTION LLC / IRVING 19 19 16 1H PAD | SEILING, Dewey, OK | Pass | State |
| 2023-09-05 | DIVERSIFIED PRODUCTION LLC / AMANDA 13 19 17 1H PAD | SEILING, Dewey, OK | Pass | State |
| 2023-09-05 | MARKWEST OKLAHOMA GAS CO LLC / STUART NORTH COMPRESSOR STATION | STUART, Hughes, OK | Pass | State |
| 2023-09-05 | BCE MACH III LLC / EHU 236H 237H 238HMN | HENNESSEY, Kingfisher, OK | Pass | State |
| 2023-09-05 | BCE MACH III LLC / EHU 236H 237H 238HMN | HENNESSEY, Kingfisher, OK | Pass | State |
| 2023-09-05 | MARKWEST OKLAHOMA GAS CO LLC / STANGL COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2023-09-05 | MARKWEST OKLAHOMA GAS CO LLC / STANGL COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2023-09-05 | BCE MACH LLC / LAURA 34 29 15 1H STA | ALVA, Woods, OK | Pass | State |
| 2023-09-05 | BCE MACH LLC / LITTLE 4 28 15 1H WARREN 4 28 15 1H S | ALVA, Woods, OK | Pass | State |
| 2023-09-05 | BCE MACH LLC / UMBER 11 28 16 STA | ALVA, Woods, OK | Pass | State |
| 2023-09-05 | EQM GATHERING OPCO LLC/PISCES COMP STA | CLAYSVILLE, Washington, PA | Pass | State |
| 2023-09-05 | EXPAND OPERATING LLC/HOOKER SUS PAD | MESHOPPEN, Susquehanna, PA | Pass | State |
| 2023-09-05 | EXPAND OPERATING LLC/ADAMS WYO PAD | LACEYVILLE, Wyoming, PA | Pass | State |
| 2023-09-05 | HF SINCLAIR PARCO REFINING LLC — high-priority violation on file | SINCLAIR, Carbon, WY | Pass | State |
| 2023-09-05 | HF SINCLAIR PARCO REFINING LLC — high-priority violation on file | SINCLAIR, Carbon, WY | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.