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EPA Air · stack tests by year
Air-emissions stack tests in 2022
- 29,136Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2022
- California 10,813
- Ohio 2,355
- Indiana 1,925
- Florida 1,564
- Oklahoma 1,350
- Georgia 1,096
- New Mexico 981
- Pennsylvania 830
- Alabama 630
- Mississippi 577
- Arkansas 562
- Colorado 460
- Iowa 434
- Missouri 359
- Texas 288
- Michigan 288
- Wisconsin 262
- Washington 260
- North Carolina 252
- Kentucky 245
- Wyoming 241
- Minnesota 236
- South Carolina 228
- West Virginia 210
- Delaware 209
- Utah 162
- Montana 155
- Nebraska 143
- Nevada 137
- Illinois 136
- Tennessee 134
- Louisiana 131
- Alaska 131
- Virginia 126
- Maine 116
- Connecticut 115
- Arizona 114
- New York 113
- North Dakota 110
- New Jersey 104
- Idaho 99
- Hawaii 69
- District of Columbia 60
- South Dakota 55
- Maryland 52
- Oregon 49
- New Hampshire 48
- Puerto Rico 39
- Kansas 37
- Rhode Island 23
- Massachusetts 19
- Vermont 4
Other years
Air-emissions stack tests recorded in 2022
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2022-06-28 | ANR PIPELINE CO - WOOLFOLK COMPRESSOR STATION | BIG RAPIDS, Mecosta, MI | Pass | State |
| 2022-06-28 | XCEL ENERGY - SHERBURNE COUNTY GENERATING PLANT | BECKER, Sherburne, MN | Pass | State |
| 2022-06-28 | RJ ZAVORAL AND SONS INC HMA PORTABLE PLANT 1 | EAST GRAND FORKS, Polk, MN | Pass | State |
| 2022-06-28 | DOE RUN CO-BUICK RESOURCE RECYCLING FCLT | BOSS, Dent, MO | Pass | State |
| 2022-06-28 | OWENS-CORNING STATELINE | JOPLIN, Jasper, MO | Fail | State |
| 2022-06-28 | OWENS-CORNING STATELINE | JOPLIN, Jasper, MO | Fail | State |
| 2022-06-28 | OWENS-CORNING STATELINE | JOPLIN, Jasper, MO | Fail | State |
| 2022-06-28 | APAC MISSISSIPPI INC, MOUNT OLIVE ASPHALT PLANT | MOUNT OLIVE, Covington, MS | Pass | State |
| 2022-06-28 | TRONOX LLC, HAMILTON FACILITY | HAMILTON, Monroe, MS | Pass | State |
| 2022-06-28 | TRONOX LLC, HAMILTON FACILITY | HAMILTON, Monroe, MS | Pass | State |
| 2022-06-28 | TRONOX LLC, HAMILTON FACILITY | HAMILTON, Monroe, MS | Pass | State |
| 2022-06-28 | GOLDEN TRIANGLE REGIONAL SOLID WASTE MANAGEMENT AUTHORITY | STARKVILLE, Oktibbeha, MS | Pass | State |
| 2022-06-28 | GOLDEN TRIANGLE REGIONAL SOLID WASTE MANAGEMENT AUTHORITY | STARKVILLE, Oktibbeha, MS | Pass | State |
| 2022-06-28 | GOLDEN TRIANGLE REGIONAL SOLID WASTE MANAGEMENT AUTHORITY | STARKVILLE, Oktibbeha, MS | Pass | State |
| 2022-06-28 | PECOS COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2022-06-28 | PECOS COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2022-06-28 | JERRITT CANYON MINE — high-priority violation on file | ELKO, Elko, NV | Fail | State |
| 2022-06-28 | ENBRIDGE GAS OHIO - NEW LYME COMPRESSOR STATION | JEFFERSON, Ashtabula, OH | Pass | State |
| 2022-06-28 | ENBRIDGE GAS OHIO - NEW LYME COMPRESSOR STATION | JEFFERSON, Ashtabula, OH | Pass | State |
| 2022-06-28 | ENBRIDGE GAS OHIO - NEW LYME COMPRESSOR STATION | JEFFERSON, Ashtabula, OH | Pass | State |
| 2022-06-28 | NLS ASPHALT, INC. - PLANT #4 | CAMBRIDGE, Guernsey, OH | Pass | State |
| 2022-06-28 | OSCO INC.-JACKSON DIVISION | JACKSON, Jackson, OH | Pass | State |
| 2022-06-28 | TOM STACK LLC / SPINDLETAP COMPRESSOR STATION | WATONGA, Blaine, OK | Pass | State |
| 2022-06-28 | TOM STACK LLC / SPINDLETAP COMPRESSOR STATION | WATONGA, Blaine, OK | Pass | State |
| 2022-06-28 | VALIDUS ENERGY II MIDCON LLC / OAKES PAD | SEILING, Dewey, OK | Pass | State |
| 2022-06-28 | SUPERIOR MIDSTREAM LLC / MINCO GAS PLANT | TUTTLE, Grady, OK | Pass | State |
| 2022-06-28 | FW MIDCON I LLC / HAYGOOD 1H 13X | BLANCHARD, Grady, OK | Pass | State |
| 2022-06-28 | DCP OPERATING CO LP / LIGHTNING COMPRESSOR STATION | BRAY, Stephens, OK | Pass | State |
| 2022-06-28 | DCP OPERATING CO LP / LIGHTNING COMPRESSOR STATION | BRAY, Stephens, OK | Pass | State |
| 2022-06-28 | EASTERN GAS TRANSMISSION & STORAGE INC/NORTH SUMMIT | HOPWOOD, Fayette, PA | Pass | State |
| 2022-06-28 | INTER POWER AHLCON LP/COLVER POWER PROJ — high-priority violation on file | COLVER, Cambria, PA | Pass | State |
| 2022-06-28 | INTER POWER AHLCON LP/COLVER POWER PROJ — high-priority violation on file | COLVER, Cambria, PA | Pass | State |
| 2022-06-28 | YORK CNTY SOLID WASTE/YORK CNTY RESOURCE RECOVERY — high-priority violation on file | YORK, York, PA | Pass | State |
| 2022-06-28 | REWORLD DELAWARE VALLEY LP/DELAWARE VALLEY RES REC — high-priority violation on file | CHESTER, Delaware, PA | Pass | State |
| 2022-06-28 | CLEVELAND CLIFFS STEEL CORP/ BUTLER WORKS | BUTLER, Butler, PA | Pass | State |
| 2022-06-28 | REGENCY MARCELLUS GAS GATHERING LLC/QUAKER STATE RD COMP STA | MONTOURSVILLE, Lycoming, PA | Pass | State |
| 2022-06-28 | REGENCY MARCELLUS GAS GATHERING LLC/ AUBURN STA | MESHOPPEN, Susquehanna, PA | Pass | State |
| 2022-06-28 | HOLSUM DE PUERTO RICO INC | TOA BAJA, Toa Baja, PR | Fail | U.S. EPA |
| 2022-06-28 | MILLIKEN & COMPANY - MAGNOLIA FINISHING PLANT | BLACKSBURG, Cherokee, SC | Pass | State |
| 2022-06-28 | NORTHWESTERN ENERGY PUBLIC SERVICE CORPORATION - HURON | HURON, Beadle, SD | Pass | State |
| 2022-06-28 | CEMEX CONSTRUCTION MATERIALS ATLANTIC, LLC - KNOXVILLE CEMENT PLANT | KNOXVILLE, Knox, TN | Pass | Local |
| 2022-06-28 | CENTRAL VALLEY WATER RECLAMATION | SALT LAKE CITY, Salt Lake, UT | Pass | State |
| 2022-06-28 | MG&E WEST CAMPUS COGENERATION FTY | MADISON, Dane, WI | Pass | State |
| 2022-06-28 | WPL - SHEBOYGAN FALLS ENERGY FACILITY | PLYMOUTH, Taylor, WI | Pass | State |
| 2022-06-28 | MUDDY CREEK STATION (KERN RIVER GAS TRANS) | LINCOLN COUNTY, Lincoln, WY | Pass | State |
| 2022-06-28 | CKN-ROCK SPRINGS STATION (MOUNTAIN WEST PIPELINE, LLC) | SWEETWATER COUNTY, Sweetwater, WY | Pending | State |
| 2022-06-28 | FREWEN LAKE COMPRESSOR STATION (WILLIAMS FIELD SERVICES) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2022-06-27 | US ECOLOGY ALASKA LLC (FORMERLY NRC AL / MOOSE CREEK FACILITY | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2022-06-27 | WIREGRASS CONSTRUCTION COMPANY INC | JASPER, Walker, AL | Pass | State |
| 2022-06-27 | SFPP,LP - TUCSON TERMINAL | TUCSON, Pima, AZ | Pass | Local |
| 2022-06-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2022-06-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2022-06-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2022-06-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2022-06-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2022-06-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2022-06-27 | ABSOLUTE ENERGY LLC-SAINT ANSGAR (MONA) | SAINT ANSGAR, Mitchell, IA | Fail | State |
| 2022-06-27 | ND OTM LLC | OLD TOWN, Penobscot, ME | Pass | State |
| 2022-06-27 | KENT COUNTY WASTE TO ENERGY FACILITY | GRAND RAPIDS, Kent, MI | Pass | State |
| 2022-06-27 | PIONEER METAL FINISHING INDUSTRIAL HWY | WARREN, Macomb, MI | Pass | State |
| 2022-06-27 | BLUE EARTH LIGHT AND WATER | BLUE EARTH, Faribault, MN | Pass | State |
| 2022-06-27 | DENBURY ONSHORE LLC, EAST HEIDELBERG MEMBRANE SITE | HEIDELBERG, Jasper, MS | Pass | State |
| 2022-06-27 | DENBURY ONSHORE LLC, EAST HEIDELBERG MEMBRANE SITE | HEIDELBERG, Jasper, MS | Pass | State |
| 2022-06-27 | DENBURY ONSHORE LLC, EAST HEIDELBERG MEMBRANE SITE | HEIDELBERG, Jasper, MS | Pass | State |
| 2022-06-27 | TRONOX LLC, HAMILTON FACILITY | HAMILTON, Monroe, MS | Pass | State |
| 2022-06-27 | TRONOX LLC, HAMILTON FACILITY | HAMILTON, Monroe, MS | Pass | State |
| 2022-06-27 | ROCKY MOUNTAIN LABORATORIES FACILITY | HAMILTON, Ravalli, MT | Pass | State |
| 2022-06-27 | PECOS COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2022-06-27 | POKER LAKE NO1 COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2022-06-27 | POKER LAKE NO1 COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2022-06-27 | ROVER PIPELINE - MAINLINE CS3 | CHATFIELD, TOWNSHIP OF, Crawford, OH | Pass | State |
| 2022-06-27 | ROVER PIPELINE - MAINLINE CS3 | CHATFIELD, TOWNSHIP OF, Crawford, OH | Pass | State |
| 2022-06-27 | ROVER PIPELINE - MAINLINE CS3 | CHATFIELD, TOWNSHIP OF, Crawford, OH | Pass | State |
| 2022-06-27 | ROVER PIPELINE - MAINLINE CS3 | CHATFIELD, TOWNSHIP OF, Crawford, OH | Pass | State |
| 2022-06-27 | ROVER PIPELINE - MAINLINE CS3 | CHATFIELD, TOWNSHIP OF, Crawford, OH | Pass | State |
| 2022-06-27 | SUPERIOR MIDSTREAM LLC / REEDING COMPRESSOR STATION | CASHION, Kingfisher, OK | Pass | State |
| 2022-06-27 | SUPERIOR MIDSTREAM LLC / REEDING COMPRESSOR STATION | CASHION, Kingfisher, OK | Pass | State |
| 2022-06-26 | ABSOLUTE ENERGY LLC-SAINT ANSGAR (MONA) | SAINT ANSGAR, Mitchell, IA | Fail | State |
| 2022-06-25 | US ECOLOGY ALASKA LLC (FORMERLY NRC AL / MOOSE CREEK FACILITY | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2022-06-25 | US ECOLOGY ALASKA LLC (FORMERLY NRC AL / MOOSE CREEK FACILITY | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2022-06-25 | INTERSTATE CONCRETE & ASPHALT SANDPOINT | SANDPOINT, Bonner, ID | Pass | State |
| 2022-06-25 | DUKE ENERGY CAROLINAS, LLC - CLIFFSIDE STEAM STATION | MOORESBORO, Rutherford, NC | Pass | State |
| 2022-06-25 | DUKE ENERGY CAROLINAS, LLC - CLIFFSIDE STEAM STATION | MOORESBORO, Rutherford, NC | Pass | State |
| 2022-06-25 | MUSTANG GAS PRODUCTS LLC / THUNDERBIRD COMPRESSOR STATION | AMES, Major, OK | Pass | State |
| 2022-06-25 | WYODAK PLANT (PACIFICORP) | GILLETTE, Campbell, WY | Pass | State |
| 2022-06-24 | LHOIST NORTH AMERICA OF ALABAMA, LLC | CALERA, Shelby, AL | Pass | State |
| 2022-06-24 | TUCSON ELECTRIC POWER - SPRINGERVILLE GENERATING STATION | SPRINGERVILLE, Apache, AZ | Pass | State |
| 2022-06-24 | LUNDAY-THAGARD CO DBA WORLD OIL REFINING — high-priority violation on file | SOUTH GATE, Los Angeles, CA | Pass | Local |
| 2022-06-24 | LINN OPERATING INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-06-24 | LINN OPERATING INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-06-24 | LINN OPERATING INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-06-24 | LINN OPERATING INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-06-24 | LINN OPERATING INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-06-24 | LINN OPERATING INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-06-24 | LINN OPERATING INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-06-24 | LINN OPERATING INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-06-24 | LINN OPERATING INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-06-24 | LINN OPERATING INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-06-24 | LINN OPERATING INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-06-24 | LINN OPERATING INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.