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 |
|---|---|---|---|---|
| 2022-08-17 | ENVIVA, LLC | COTTONDALE, Jackson, FL | Pass | State |
| 2022-08-17 | ENVIVA, LLC | COTTONDALE, Jackson, FL | Pass | State |
| 2022-08-17 | FLORIDA POWER AND LIGHT COMPANY | LOXAHATCHEE, Palm Beach, FL | Pass | State |
| 2022-08-17 | MOSAIC FERTILIZER, LLC — high-priority violation on file | BARTOW, Polk, FL | Pass | State |
| 2022-08-17 | MOSAIC FERTILIZER, LLC — high-priority violation on file | BARTOW, Polk, FL | Pass | State |
| 2022-08-17 | REG MASON CITY LLC | MASON CITY, Cerro Gordo, IA | Pass | State |
| 2022-08-17 | VALERO RENEWABLE FUELS COMPANY. LLC D/B/A VALERO LAKOTA PLANT — high-priority violation on file | LAKOTA, Kossuth, IA | Pass | State |
| 2022-08-17 | VALERO RENEWABLE FUELS COMPANY. LLC D/B/A VALERO LAKOTA PLANT — high-priority violation on file | LAKOTA, Kossuth, IA | Pass | State |
| 2022-08-17 | ELITE OCTANE, LLC — high-priority violation on file | ATLANTIC, Cass, IA | Pass | State |
| 2022-08-17 | GRAIN PROCESSING CORPORATION — high-priority violation on file | WASHINGTON, Daviess, IN | Pass | State |
| 2022-08-17 | GRAIN PROCESSING CORPORATION — high-priority violation on file | WASHINGTON, Daviess, IN | Pass | State |
| 2022-08-17 | GRAIN PROCESSING CORPORATION — high-priority violation on file | WASHINGTON, Daviess, IN | Pass | State |
| 2022-08-17 | GRAIN PROCESSING CORPORATION — high-priority violation on file | WASHINGTON, Daviess, IN | Fail | State |
| 2022-08-17 | GRAIN PROCESSING CORPORATION — high-priority violation on file | WASHINGTON, Daviess, IN | Pass | State |
| 2022-08-17 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2022-08-17 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2022-08-17 | POET BIOREFINING - ALEXANDRIA LLC | ALEXANDRIA, Madison, IN | Pass | State |
| 2022-08-17 | POET BIOREFINING - ALEXANDRIA LLC | ALEXANDRIA, Madison, IN | Pass | State |
| 2022-08-17 | POET BIOREFINING - ALEXANDRIA LLC | ALEXANDRIA, Madison, IN | Pass | State |
| 2022-08-17 | POET BIOREFINING - ALEXANDRIA LLC | ALEXANDRIA, Madison, IN | Pass | State |
| 2022-08-17 | POET BIOREFINING - ALEXANDRIA LLC | ALEXANDRIA, Madison, IN | Pass | State |
| 2022-08-17 | SIGECO AB BROWN GENERATING STATION | MOUNT VERNON, Posey, IN | Pass | State |
| 2022-08-17 | COUNTRYMARK REFINING AND LOGISTICS LLC | MOUNT VERNON, Posey, IN | Pass | State |
| 2022-08-17 | INDIANA MICHIGAN POWER COMPANY DBA AEP ROCKPORT PLANT | ROCKPORT, Spencer, IN | Pass | State |
| 2022-08-17 | INDIANA MICHIGAN POWER COMPANY DBA AEP ROCKPORT PLANT | ROCKPORT, Spencer, IN | Pass | State |
| 2022-08-17 | INDIANA MICHIGAN POWER COMPANY DBA AEP ROCKPORT PLANT | ROCKPORT, Spencer, IN | Pass | State |
| 2022-08-17 | HARSHMAN CONST. - HOWARD QUARRY (AIR) | HOWARD, Elk, KS | Pass | State |
| 2022-08-17 | KY UTILITIES CO - GHENT STATION | GHENT, Carroll, KY | Pass | State |
| 2022-08-17 | SABINE PASS LNG LP AND SABINE PASS LIQUEFACTION LLC - SABINE PASS LNG TERMINAL | CAMERON, Cameron, LA | Pass | State |
| 2022-08-17 | SABINE PASS LNG LP AND SABINE PASS LIQUEFACTION LLC - SABINE PASS LNG TERMINAL | CAMERON, Cameron, LA | Fail | State |
| 2022-08-17 | INTERTAPE POLYMER GROUP | MARYSVILLE, St. Clair, MI | Pending | State |
| 2022-08-17 | CLEVELAND-CLIFFS STEEL CORPORATION DEARBORN WORKS | DEARBORN, Wayne, MI | Pass | State |
| 2022-08-17 | GRAYMONT WESTERN LIME INC — high-priority violation on file | GULLIVER, Schoolcraft, MI | Pending | State |
| 2022-08-17 | BCP INGREDIENTS | VERONA, Lawrence, MO | Pending | U.S. EPA |
| 2022-08-17 | MAGNITUDE 7 METALS, LLC | MARSTON, New Madrid, MO | Pass | State |
| 2022-08-17 | MAGNITUDE 7 METALS, LLC | MARSTON, New Madrid, MO | Pass | State |
| 2022-08-17 | MAGNITUDE 7 METALS, LLC | MARSTON, New Madrid, MO | Pass | State |
| 2022-08-17 | MAGNITUDE 7 METALS, LLC | MARSTON, New Madrid, MO | Pass | State |
| 2022-08-17 | MAGNITUDE 7 METALS, LLC | MARSTON, New Madrid, MO | Pass | State |
| 2022-08-17 | METROPOLITAN ST. LOUIS SEWER DISTRICT BISSELL POINT WWTP | SAINT LOUIS, St. Louis (city), MO | Fail | State |
| 2022-08-17 | GEORGIA PACIFIC MONTICELLO LLC | MONTICELLO, Lawrence, MS | Pass | State |
| 2022-08-17 | GRIFOLS THERAPEUTICS LLC | CLAYTON, Johnston, NC | Pass | State |
| 2022-08-17 | WILDCAT COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2022-08-17 | WILDCAT COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2022-08-17 | AZTEC COMPRESSOR STATION — high-priority violation on file | MONUMENT, Lea, NM | Pass | State |
| 2022-08-17 | AZTEC COMPRESSOR STATION — high-priority violation on file | MONUMENT, Lea, NM | Pass | State |
| 2022-08-17 | ALAMO COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2022-08-17 | ALAMO COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2022-08-17 | SYRACUSE TERMINAL | VAN BUREN, Onondaga, NY | Pass | State |
| 2022-08-17 | GERKEN MATERIALS, INC. HMA 21 | OAKWOOD, Paulding, OH | Pass | State |
| 2022-08-17 | ASCENT RESOURCES - UTICA LLC - RECTOR MTP JF WELLPAD | ADENA, Jefferson, OH | Pass | State |
| 2022-08-17 | ASCENT RESOURCES - UTICA LLC - RECTOR MTP JF WELLPAD | ADENA, Jefferson, OH | Pass | State |
| 2022-08-17 | ASCENT RESOURCES - UTICA LLC - RECTOR MTP JF WELLPAD | ADENA, Jefferson, OH | Pass | State |
| 2022-08-17 | ASCENT RESOURCES - UTICA LLC - WILMA WRN JF | RAYLAND, Jefferson, OH | Pass | State |
| 2022-08-17 | ASCENT RESOURCES - UTICA LLC - WILMA WRN JF | RAYLAND, Jefferson, OH | Pass | State |
| 2022-08-17 | ASCENT RESOURCES - UTICA LLC - WILMA WRN JF | RAYLAND, Jefferson, OH | Pass | State |
| 2022-08-17 | MAR ZANE PLANT NO 6 | ZANESVILLE, Muskingum, OH | Fail | State |
| 2022-08-17 | MAR ZANE PLANT NO 6 | ZANESVILLE, Muskingum, OH | Pass | State |
| 2022-08-17 | MAR ZANE PLANT NO 6 | ZANESVILLE, Muskingum, OH | Pass | State |
| 2022-08-17 | MIAMI FORT POWER COMPANY LLC | NORTH BEND, Hamilton, OH | Pass | State |
| 2022-08-17 | MARKWEST OKLAHOMA GAS CO LLC / BUTLER ARAPAHO GAS PLANT — high-priority violation on file | BUTLER, Custer, OK | Pass | State |
| 2022-08-17 | MARKWEST OKLAHOMA GAS CO LLC / BUTLER ARAPAHO GAS PLANT — high-priority violation on file | BUTLER, Custer, OK | Pass | State |
| 2022-08-17 | FW MIDCON I LLC / INCE 0604 4HM 5HW 22X | CRINER, McClain, OK | Pass | State |
| 2022-08-17 | FW MIDCON I LLC / DOYLE 1H 21X | PURDY, Stephens, OK | Pass | State |
| 2022-08-17 | SEI INVESTMENTS CO/OAKS | OAKS, Montgomery, PA | Pass | State |
| 2022-08-17 | ENERGY DEVS MORGANTOWN LLC/CAERNARVON TWP | MORGANTOWN, Berks, PA | Fail | State |
| 2022-08-17 | EASTERN GAS TRANS & STORAG INC/ROCK SPRINGS COMP STA | DELMONT, Westmoreland, PA | Pass | State |
| 2022-08-17 | USS/CLAIRTON WORKS — high-priority violation on file | CLAIRTON, Allegheny, PA | Pass | Local |
| 2022-08-17 | MCCONWAY & TORLEY LLC/STEEL CASTINGS MFG | PITTSBURGH, Allegheny, PA | Pass | Local |
| 2022-08-17 | SANTEE COOPER WINYAH GENERATING STATION | GEORGETOWN, Georgetown, SC | Pass | State |
| 2022-08-17 | C R JACKSON INC - SUMTER ASPHALT PLANT | SUMTER, Sumter, SC | Pass | State |
| 2022-08-17 | ALLEN COMBINED CYCLE PLANT - TVA | MEMPHIS, Shelby, TN | Pass | Local |
| 2022-08-17 | KENNECOTT MAIN STACK, SMELTER AND | BINGHAM CANYON, Salt Lake, UT | Pass | State |
| 2022-08-17 | HUBER ENGINEERED WOODS, LLC | HALIFAX, Halifax, VA | Pass | State |
| 2022-08-17 | INGEVITY VIRGINIA CORPORATION | COVINGTON, Covington (city), VA | Pass | State |
| 2022-08-17 | GRAYS HARBOR ENERGY LLC | ELMA, Grays Harbor, WA | Pass | Local |
| 2022-08-17 | IRON MOUNTAIN QUARRY LLC | GRANITE FALLS, Snohomish, WA | Fail | Local |
| 2022-08-17 | MONONGAHELA POWER COMPANY, HARRISON STATION | HAYWOOD, Harrison, WV | Pass | State |
| 2022-08-17 | MPLX TERMINALS LLC, KENOVA | KENOVA, Wayne, WV | Pass | State |
| 2022-08-17 | ECHO SPRINGS GAS PLANT (WILLIAMS FIELD SERVICES) | CARBON COUNTY, Carbon, WY | Pass | State |
| 2022-08-16 | WEXPRO ISLAND COMPRESSOR (FRMLY MPLX) | VERNAL, Uintah, UT | Pass | U.S. EPA |
| 2022-08-16 | INTERNATIONAL PAPER COMPANY | PRATTVILLE, Autauga, AL | Pass | State |
| 2022-08-16 | INTERNATIONAL PAPER COMPANY | PRATTVILLE, Autauga, AL | Pass | State |
| 2022-08-16 | INTERNATIONAL PAPER COMPANY | PRATTVILLE, Autauga, AL | Pass | State |
| 2022-08-16 | INTERNATIONAL PAPER COMPANY | PRATTVILLE, Autauga, AL | Pass | State |
| 2022-08-16 | SOUTHERN NATURAL GAS | AUBURN, Lee, AL | Pass | State |
| 2022-08-16 | GP CELLULOSE ALABAMA RIVER CELLULOSE LLC | PERDUE HILL, Monroe, AL | Pass | State |
| 2022-08-16 | WESTROCK COATED BOARD LLC-MAHRT MILL | PHENIX CITY, Russell, AL | Pass | State |
| 2022-08-16 | WESTROCK COATED BOARD LLC-MAHRT MILL | PHENIX CITY, Russell, AL | Pass | State |
| 2022-08-16 | WESTROCK COATED BOARD LLC-MAHRT MILL | PHENIX CITY, Russell, AL | Pass | State |
| 2022-08-16 | WESTROCK COATED BOARD LLC-MAHRT MILL | PHENIX CITY, Russell, AL | Pass | State |
| 2022-08-16 | CITGO PETROLEUM CORP. | BIRMINGHAM, Jefferson, AL | Pass | Local |
| 2022-08-16 | ABIDE FARMS, LLC | LITTLE ROCK, Pulaski, AR | Pass | State |
| 2022-08-16 | APACHE GENERATING STATION | COCHISE, Cochise, AZ | Pass | State |
| 2022-08-16 | CALPORTLAND - RILLITO CEMENT PLANT | MARANA, Pima, AZ | Pass | State |
| 2022-08-16 | GRAND RIVER GATHERING - HUNTER MESA CS | RIFLE 3.3 MI. SE OF, Garfield, CO | Pass | State |
| 2022-08-16 | COORSTEK INC - CLEAR CREEK VALLEY PLANT — high-priority violation on file | GOLDEN AREA, Jefferson, CO | Pass | State |
| 2022-08-16 | LEPRINO FOODS COMPANY - GREELEY PLANT | GREELEY, Weld, CO | Pass | State |
| 2022-08-16 | LEPRINO FOODS COMPANY - GREELEY PLANT | GREELEY, Weld, CO | Pass | State |
| 2022-08-16 | DCP OPERATING CO - GREELEY NATURAL GAS P | EVANS AREA, Weld, CO | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.