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 |
|---|---|---|---|---|
| 2022-09-13 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2022-09-13 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2022-09-13 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2022-09-13 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2022-09-13 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2022-09-13 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2022-09-13 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2022-09-13 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2022-09-13 | WASTE MANAGEMENT - COLORADO SPRINGS RECY | COLORADO SPRINGS AREA, El Paso, CO | Pass | State |
| 2022-09-13 | DCP OPERATING CO - PLATTEVILLE GPP | PLATTEVILLE AREA, Weld, CO | Pass | State |
| 2022-09-13 | WILLIAMS FRONT RANGE - HOOKSIDE COMPRESS | GROVER 11.1 MI. N OF, Weld, CO | Pass | State |
| 2022-09-13 | MIDDLETOWN POWER LLC | MIDDLETOWN, Middlesex, CT | Pass | State |
| 2022-09-13 | MIDDLETOWN POWER LLC | MIDDLETOWN, Middlesex, CT | Pass | State |
| 2022-09-13 | FLORIDA POWER & LIGHT (PMR) | INDIANTOWN, Martin, FL | Pass | State |
| 2022-09-13 | FLORIDA POWER & LIGHT (PMR) | INDIANTOWN, Martin, FL | Pass | State |
| 2022-09-13 | DUKE ENERGY FLORIDA, LLC | LIVE OAK, Suwannee, FL | Pass | State |
| 2022-09-13 | DUKE ENERGY FLORIDA, LLC | LIVE OAK, Suwannee, FL | Pass | State |
| 2022-09-13 | DUKE ENERGY FLORIDA, LLC | LIVE OAK, Suwannee, FL | Pass | State |
| 2022-09-13 | DUKE ENERGY FLORIDA, LLC | LIVE OAK, Suwannee, FL | Pass | State |
| 2022-09-13 | LANGBOARD OSB, QUITMAN | QUITMAN, Brooks, GA | Pass | State |
| 2022-09-13 | LANGBOARD OSB, QUITMAN | QUITMAN, Brooks, GA | Pass | State |
| 2022-09-13 | HELCO - KAPUA | KAPUA, Hawaii, HI | Pass | State |
| 2022-09-13 | PICO ENERGY LLC | JEROME, Jerome, ID | Pass | State |
| 2022-09-13 | GENEVA GENERATING PLANT | GENEVA, Kane, IL | Pass | State |
| 2022-09-13 | BIMBO BAKERIES USA INCORPORATED — high-priority violation on file | ELKHART, Elkhart, IN | Pass | State |
| 2022-09-13 | ROCHESTER METAL PRODUCTS CORPORATION — high-priority violation on file | ROCHESTER, Fulton, IN | Pass | State |
| 2022-09-13 | ROCHESTER METAL PRODUCTS CORPORATION — high-priority violation on file | ROCHESTER, Fulton, IN | Pass | State |
| 2022-09-13 | ROCHESTER METAL PRODUCTS CORPORATION — high-priority violation on file | ROCHESTER, Fulton, IN | Pass | State |
| 2022-09-13 | DAVE OMARA CONTRACTOR INC PLANT 8 | HAYDEN, Jennings, IN | Pass | State |
| 2022-09-13 | DAVE OMARA CONTRACTOR INC PLANT 8 | HAYDEN, Jennings, IN | Pass | State |
| 2022-09-13 | DAVE OMARA CONTRACTOR INC PLANT 8 | HAYDEN, Jennings, IN | Pass | State |
| 2022-09-13 | DAVE OMARA CONTRACTOR INC PLANT 8 | HAYDEN, Jennings, IN | Pass | State |
| 2022-09-13 | MPLX TERMINALS LLC - MT VERNON TERMINAL | MOUNT VERNON, Posey, IN | Pass | State |
| 2022-09-13 | FLANDERS ELECTRIC MOTOR SERVICE LLC | EVANSVILLE, Vanderburgh, IN | Pass | State |
| 2022-09-13 | FLANDERS ELECTRIC MOTOR SERVICE LLC | EVANSVILLE, Vanderburgh, IN | Pass | State |
| 2022-09-13 | CENTURY ALUMINUM SEBREE LLC | ROBARDS, Henderson, KY | Pass | State |
| 2022-09-13 | TRANSMONTAIGNE OPERATING COMPANY LP - PADUCAH TERMINAL | PADUCAH, McCracken, KY | Pass | State |
| 2022-09-13 | TEXAS EASTERN TRANSMISSION LP - GILLIS COMPRESSOR STATION | RAGLEY, Beauregard, LA | Pass | State |
| 2022-09-13 | EAGLE POINT ENERGY CENTER, LLC | ORRINGTON, Penobscot, ME | Pass | State |
| 2022-09-13 | ND OTM LLC | OLD TOWN, Penobscot, ME | Pass | State |
| 2022-09-13 | NAVAL SUPPORT ACTIVITY (NSA) CUTLER | CUTLER, Washington, ME | Pass | State |
| 2022-09-13 | NAVAL SUPPORT ACTIVITY (NSA) CUTLER | CUTLER, Washington, ME | Pass | State |
| 2022-09-13 | BILLERUD ESCANABA LLC | ESCANABA, Delta, MI | Pass | State |
| 2022-09-13 | PIONEER METAL FINISHING INDUSTRIAL HWY | WARREN, Macomb, MI | Pass | State |
| 2022-09-13 | COVERT GENERATING STATION — high-priority violation on file | COVERT, Van Buren, MI | Pass | State |
| 2022-09-13 | BLUEWATER GAS STORAGE FACILITY - COLUMBUS | COLUMBUS, St. Clair, MI | Pass | State |
| 2022-09-13 | GRAYMONT WESTERN LIME INC — high-priority violation on file | GULLIVER, Schoolcraft, MI | Pass | State |
| 2022-09-13 | TRANSCONTINENTAL GAS PIPE LINE COMPANY LLC, STATION 77 | SEMINARY, Covington, MS | Pass | State |
| 2022-09-13 | TRANSCONTINENTAL GAS PIPE LINE COMPANY LLC, STATION 77 | SEMINARY, Covington, MS | Pass | State |
| 2022-09-13 | TRANSCONTINENTAL GAS PIPE LINE COMPANY LLC, STATION 77 | SEMINARY, Covington, MS | Pass | State |
| 2022-09-13 | TRANSCONTINENTAL GAS PIPE LINE COMPANY LLC, STATION 77 | SEMINARY, Covington, MS | Pass | State |
| 2022-09-13 | TRANSCONTINENTAL GAS PIPE LINE COMPANY LLC, STATION 77 | SEMINARY, Covington, MS | Pass | State |
| 2022-09-13 | TRANSCONTINENTAL GAS PIPE LINE COMPANY LLC, STATION 77 | SEMINARY, Covington, MS | Pass | State |
| 2022-09-13 | TRANSCONTINENTAL GAS PIPE LINE COMPANY LLC, STATION 77 | SEMINARY, Covington, MS | Pass | State |
| 2022-09-13 | CHEMOURS COMPANY FC LLC THE, DELISLE PLANT | PASS CHRISTI, Harrison, MS | Pass | State |
| 2022-09-13 | CHEMOURS COMPANY FC LLC THE, DELISLE PLANT | PASS CHRISTI, Harrison, MS | Pass | State |
| 2022-09-13 | CHEMOURS COMPANY FC LLC THE, DELISLE PLANT | PASS CHRISTI, Harrison, MS | Pass | State |
| 2022-09-13 | CHEMOURS COMPANY FC LLC THE, DELISLE PLANT | PASS CHRISTI, Harrison, MS | Pass | State |
| 2022-09-13 | CHEMOURS COMPANY FC LLC THE, DELISLE PLANT | PASS CHRISTI, Harrison, MS | Pass | State |
| 2022-09-13 | EAGLE COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2022-09-13 | EAGLE COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2022-09-13 | GUARDIAN INDUSTRIES CORP | GENEVA, Ontario, NY | Pass | State |
| 2022-09-13 | INEOS NITRILES USA LLC | LIMA, Allen, OH | Pass | State |
| 2022-09-13 | INEOS NITRILES USA LLC | LIMA, Allen, OH | Pass | State |
| 2022-09-13 | PILKINGTON NORTH AMERICA INC — high-priority violation on file | ROSSFORD, Wood, OH | Pass | State |
| 2022-09-13 | BLUE RACER MIDSTREAM, LLC - MIZER STATION | CADIZ, Harrison, OH | Pass | State |
| 2022-09-13 | BLUE RACER MIDSTREAM, LLC - MIZER STATION | CADIZ, Harrison, OH | Pass | State |
| 2022-09-13 | BLUE RACER MIDSTREAM, LLC - MIZER STATION | CADIZ, Harrison, OH | Pass | State |
| 2022-09-13 | BLUE RACER MIDSTREAM, LLC - MIZER STATION | CADIZ, Harrison, OH | Pass | State |
| 2022-09-13 | BLUE RACER MIDSTREAM, LLC - MIZER STATION | CADIZ, Harrison, OH | Pass | State |
| 2022-09-13 | BLUE RACER MIDSTREAM, LLC - MIZER STATION | CADIZ, Harrison, OH | Pass | State |
| 2022-09-13 | ASCENT RESOURCES - WINSTON SMITH STC NBL 36 | SUMMERFIELD, Noble, OH | Pass | State |
| 2022-09-13 | ASCENT RESOURCES - WINSTON SMITH STC NBL 36 | SUMMERFIELD, Noble, OH | Pass | State |
| 2022-09-13 | ASCENT RESOURCES - WINSTON SMITH STC NBL 36 | SUMMERFIELD, Noble, OH | Pass | State |
| 2022-09-13 | CLEVELAND-CLIFFS CLEVELAND WORKS LLC — high-priority violation on file | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2022-09-13 | COTERRA ENERGY OPERATING CO / LEHMAN BIA 4 6 11H FACILITY | WATONGA, Blaine, OK | Pass | State |
| 2022-09-13 | MARKWEST OKLAHOMA GAS CO LLC / ALPHA COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2022-09-13 | ET GATHERING PROCESSING LLC / ROLL COMPRESSOR STATION | CRAWFORD, Roger Mills, OK | Pass | State |
| 2022-09-13 | ET GATHERING PROCESSING LLC / PACK MULE COMPRESSOR STATION | CRAWFORD, Roger Mills, OK | Pass | State |
| 2022-09-13 | HAMPTON LUMBER MILLS, INC. DBA TILLAMOOK LUMBER CO | TILLAMOOK, Tillamook, OR | Pass | State |
| 2022-09-13 | SUNBURY GENERATION LP/SUNBURY SES | SHAMOKIN DAM, Snyder, PA | Pass | State |
| 2022-09-13 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/FULTON BOOSTER STA — high-priority violation on file | HICKORY, Washington, PA | Pass | State |
| 2022-09-13 | WILLIAMS FIELD SVC CO LLC/CENTRAL COMP STA | MONTROSE, Susquehanna, PA | Pass | State |
| 2022-09-13 | SOUTHWESTERN ENERGY CO/KOZIOL 5H-6H | NEW MILFORD, Susquehanna, PA | Pass | State |
| 2022-09-13 | EQM GATHERING OPCO LLC/PISCES COMP STA | CLAYSVILLE, Washington, PA | Pass | State |
| 2022-09-13 | MANCHESTER STREET, LLC | PROVIDENCE, Providence, RI | Pass | State |
| 2022-09-13 | FAIRFIELD ROAD RECYCLING | COLUMBIA, Richland, SC | Pass | State |
| 2022-09-13 | ENVIRONMENTAL TRUST COMPANY | ATHENS, McMinn, TN | Pass | State |
| 2022-09-13 | EXXONMOBIL OIL CORP. (EMOC) | MEMPHIS, Shelby, TN | Pass | Local |
| 2022-09-13 | CORPORATE OFFICE PROPERTIES, L.P. - PARK CENTER | CHANTILLY, Fairfax, VA | Pass | State |
| 2022-09-13 | BROWNTOWN FOUNDRY LLC — high-priority violation on file | BROWNTOWN, Green, WI | Pass | State |
| 2022-09-13 | S.C. JOHNSON & SON, INC | STURTEVANT, Racine, WI | Pass | State |
| 2022-09-13 | LOUISIANA-PACIFIC CORPORATION - HAYWARD | HAYWARD, Shawano, WI | Pass | State |
| 2022-09-13 | USG INTERIORS LLC | WALWORTH, Washburn, WI | Pass | State |
| 2022-09-13 | IBP SOLUTIONS US LLC | MARSHFIELD, Menominee, WI | Pass | State |
| 2022-09-13 | COLUMBIA GAS TRANSMISSION, LLC, HUBBALL | BRANCHLAND, Lincoln, WV | Pass | State |
| 2022-09-13 | FLETCHER/TERHUNE (POWDER RIVER MIDSTREAM, LLC) | JOHNSON COUNTY, Johnson, WY | Pass | State |
| 2022-09-13 | MICROSOFT CHEYENNE DATA CENTER (MICROSOFT CORPORATION) | CHEYENNE, Laramie, WY | Pass | State |
| 2022-09-13 | HANSEN LAKE COMPRESSOR STATION (WILLIAMS FIELD SERVICES CO.) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2022-09-12 | ET GATHERING & PROCESSING LLC. - MANSFIELD COMPRESSOR STATION | MANSFIELD, Scott, AR | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.