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 |
|---|---|---|---|---|
| 2023-08-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-29 | BALL WESTERN CAN COMPANY | OAKDALE, Stanislaus, CA | Pass | Local |
| 2023-08-29 | BALL WESTERN CAN COMPANY | OAKDALE, Stanislaus, CA | Pass | Local |
| 2023-08-29 | BALL WESTERN CAN COMPANY | OAKDALE, Stanislaus, CA | Pass | Local |
| 2023-08-29 | BALL WESTERN CAN COMPANY | OAKDALE, Stanislaus, CA | Pass | Local |
| 2023-08-29 | BALL WESTERN CAN COMPANY | OAKDALE, Stanislaus, CA | Pass | Local |
| 2023-08-29 | BALL WESTERN CAN COMPANY | OAKDALE, Stanislaus, CA | Pass | Local |
| 2023-08-29 | BALL WESTERN CAN COMPANY | OAKDALE, Stanislaus, CA | Pass | Local |
| 2023-08-29 | WALLINGFORD ENERGY, LLC | WALLINGFORD, New Haven, CT | Pass | State |
| 2023-08-29 | WASHINGTON HOSPITAL CENTER — high-priority violation on file | WASHINGTON, District of Columbia, DC | Fail | State |
| 2023-08-29 | JEA | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-08-29 | SEMINOLE ELECTRIC COOPERATIVE, INC. | PALATKA, Putnam, FL | Pass | State |
| 2023-08-29 | DUKE ENERGY FLORIDA, LLC | DE BARY-ORANGE CITY DIVISION, Volusia, FL | Pass | State |
| 2023-08-29 | DUKE ENERGY FLORIDA, LLC | DE BARY-ORANGE CITY DIVISION, Volusia, FL | Pass | State |
| 2023-08-29 | ATLANTA GAS LIGHT COMPANY - RIVERDALE LNG PLANT — high-priority violation on file | RIVERDALE, Clayton, GA | Pass | State |
| 2023-08-29 | ENVIVA PELLETS WAYCROSS, LLC — high-priority violation on file | WAYCROSS, Ware, GA | Pass | State |
| 2023-08-29 | ENVIVA PELLETS WAYCROSS, LLC — high-priority violation on file | WAYCROSS, Ware, GA | Pass | State |
| 2023-08-29 | ENVIVA PELLETS WAYCROSS, LLC — high-priority violation on file | WAYCROSS, Ware, GA | Pass | State |
| 2023-08-29 | ENVIVA PELLETS WAYCROSS, LLC — high-priority violation on file | WAYCROSS, Ware, GA | Pass | State |
| 2023-08-29 | ENVIVA PELLETS WAYCROSS, LLC — high-priority violation on file | WAYCROSS, Ware, GA | Pass | State |
| 2023-08-29 | ENVIVA PELLETS WAYCROSS, LLC — high-priority violation on file | WAYCROSS, Ware, GA | Pass | State |
| 2023-08-29 | ENVIVA PELLETS WAYCROSS, LLC — high-priority violation on file | WAYCROSS, Ware, GA | Pass | State |
| 2023-08-29 | HELCO - WAIMEA | KAMUELA, Hawaii, HI | Pass | State |
| 2023-08-29 | HOMELAND ENERGY SOLUTIONS LLC — high-priority violation on file | LAWLER, Chickasaw, IA | Pass | State |
| 2023-08-29 | HOMELAND ENERGY SOLUTIONS LLC — high-priority violation on file | LAWLER, Chickasaw, IA | Pass | State |
| 2023-08-29 | U S GYPSUM CO-MEDIAPOLIS (SPERRY) | MEDIAPOLIS (HISTORICAL), Des Moines, IA | Pass | State |
| 2023-08-29 | IDAHO SAND & GRAVEL 00351 | NAMPA, Canyon, ID | Pass | State |
| 2023-08-29 | ECOBAT RESOURCES INDIANA LLC | INDIANAPOLIS, Marion, IN | Pass | State |
| 2023-08-29 | ECOBAT RESOURCES INDIANA LLC | INDIANAPOLIS, Marion, IN | Pass | State |
| 2023-08-29 | ECOBAT RESOURCES INDIANA LLC | INDIANAPOLIS, Marion, IN | Pass | State |
| 2023-08-29 | OPTA WALKERTON | WALKERTON, St. Joseph, IN | Pass | State |
| 2023-08-29 | ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file | NEWBURGH, Warrick, IN | Pass | State |
| 2023-08-29 | GLASGOW REGIONAL LANDFILL | GLASGOW, Barren, KY | Pass | State |
| 2023-08-29 | MARATHON PETROLEUM CO LLC - CATLETTSBURG REFINING — high-priority violation on file | CATLETTSBURG, Boyd, KY | Pass | State |
| 2023-08-29 | KY UTILITIES CO - BROWN STATION | HARRODSBURG, Mercer, KY | Pass | State |
| 2023-08-29 | KY UTILITIES CO - BROWN STATION | HARRODSBURG, Mercer, KY | Pass | State |
| 2023-08-29 | EUROVIA ATLANTIC COAST LLC | HERMON, Penobscot, ME | Pass | State |
| 2023-08-29 | CONSUMERS ENERGY - RAY COMPRESSOR STATION | ARMADA, Macomb, MI | Pass | State |
| 2023-08-29 | LOUISIANA-PACIFIC CORP SAGOLA PLANT | SAGOLA, Dickinson, MI | Fail | State |
| 2023-08-29 | USG INTERIORS LLC - CLOQUET MN | CLOQUET, Carlton, MN | Fail | State |
| 2023-08-29 | MOORHEAD CITY OF - AIR CURTAIN INCINERATOR | MOORHEAD, Clay, MN | Pass | State |
| 2023-08-29 | DENCO II LLC | MORRIS, Stevens, MN | N/A | State |
| 2023-08-29 | MISSOURI JOINT MUN. UTILITY COMMISSION | LADDONIA, Audrain, MO | Pending | State |
| 2023-08-29 | FORD MOTOR CO-KANSAS CITY ASSEMBLY PLANT | CLAYCOMO, Clay, MO | N/A | State |
| 2023-08-29 | FORD MOTOR CO-KANSAS CITY ASSEMBLY PLANT | CLAYCOMO, Clay, MO | N/A | State |
| 2023-08-29 | FORD MOTOR CO-KANSAS CITY ASSEMBLY PLANT | CLAYCOMO, Clay, MO | N/A | State |
| 2023-08-29 | FORD MOTOR CO-KANSAS CITY ASSEMBLY PLANT | CLAYCOMO, Clay, MO | N/A | State |
| 2023-08-29 | FORD MOTOR CO-KANSAS CITY ASSEMBLY PLANT | CLAYCOMO, Clay, MO | N/A | State |
| 2023-08-29 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | PASCAGOULA, Jackson, MS | Pass | State |
| 2023-08-29 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | PASCAGOULA, Jackson, MS | Pass | State |
| 2023-08-29 | GEORGIA PACIFIC MONTICELLO LLC | MONTICELLO, Lawrence, MS | Pass | State |
| 2023-08-29 | PCS PHOSPHATE COMPANY, INC. - AURORA | AURORA, Beaufort, NC | Pass | State |
| 2023-08-29 | HOM DEVELOPMENT, LLC (ACI) | EAST LAKE, Dare, NC | Pass | State |
| 2023-08-29 | CITY OF GREENSBORO - T.Z. OSBORNE WATER RECLAMATION FACILITY — high-priority violation on file | MCLEANSVILLE, Guilford, NC | Pass | State |
| 2023-08-29 | HILAND PARTNERS HOLDINGS LLC - ALEX COMPRESSOR STATION | WATFORD CITY, McKenzie, ND | N/A | State |
| 2023-08-29 | OTTER TAIL POWER COMPANY - COYOTE STATION - AQ | BEULAH, Mercer, ND | Pass | State |
| 2023-08-29 | HESS TIOGA GAS PLANT LLC - TIOGA GAS PLANT - AQ | TIOGA, Williams, ND | Pass | State |
| 2023-08-29 | HF SINCLAIR NAVAJO REFINING LLC (ARTESIA) — high-priority violation on file | ARTESIA, Eddy, NM | Pass | State |
| 2023-08-29 | MIYAMURA COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2023-08-29 | MIYAMURA COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2023-08-29 | MIYAMURA COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2023-08-29 | DIMENSIONS 6 SECTION 8 GAS SALES COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2023-08-29 | DAWSON/SHAMROCK BATTERY | CARLSBAD, Eddy, NM | Pass | State |
| 2023-08-29 | FULLER EAST MEGA BATTERY NO 1 | MALAGA, Eddy, NM | Pass | State |
| 2023-08-29 | PILOT PEAK PLANT | WEST WENDOVER, Elko, NV | Incomplete | State |
| 2023-08-29 | PILOT PEAK PLANT | WEST WENDOVER, Elko, NV | Pass | State |
| 2023-08-29 | CONSOLIDATED CORTEZ & PIPELINE | CRESCENT VALLEY, Lander, NV | Pass | State |
| 2023-08-29 | HIGH DESERT STATE PRISON — high-priority violation on file | INDIAN SPRINGS, Clark, NV | Pass | Local |
| 2023-08-29 | HIGH DESERT STATE PRISON — high-priority violation on file | INDIAN SPRINGS, Clark, NV | Pass | Local |
| 2023-08-29 | GUARDIAN INDUSTRIES CORP | GENEVA, Ontario, NY | Fail | State |
| 2023-08-29 | SMALL'S SAND AND GRAVEL | GAMBIER, Knox, OH | Pass | State |
| 2023-08-29 | MPLX TERMINALS LLC - YOUNGSTOWN TERMINAL | YOUNGSTOWN, Mahoning, OH | Pass | State |
| 2023-08-29 | GRAYMONT DOLIME (OH), INC. | GENOA, Ottawa, OH | Pass | State |
| 2023-08-29 | GRAYMONT DOLIME (OH), INC. | GENOA, Ottawa, OH | Pass | State |
| 2023-08-29 | GRAYMONT DOLIME (OH), INC. | GENOA, Ottawa, OH | Pass | State |
| 2023-08-29 | GRAYMONT DOLIME (OH), INC. | GENOA, Ottawa, OH | Pass | State |
| 2023-08-29 | GRAYMONT DOLIME (OH), INC. | GENOA, Ottawa, OH | Pass | State |
| 2023-08-29 | GRAYMONT DOLIME (OH), INC. | GENOA, Ottawa, OH | Pass | State |
| 2023-08-29 | PILKINGTON NORTH AMERICA INC — high-priority violation on file | ROSSFORD, Wood, OH | Pass | State |
| 2023-08-29 | EOG RESOURCES, INC. - STOCKER HN MON PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2023-08-29 | EOG RESOURCES, INC. - STOCKER HN MON PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2023-08-29 | EOG RESOURCES, INC. - STOCKER HN MON PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2023-08-29 | SHROYER PAD 952884 | CLARINGTON, Monroe, OH | Pass | State |
| 2023-08-29 | SHROYER PAD 952884 | CLARINGTON, Monroe, OH | Pass | State |
| 2023-08-29 | SHROYER PAD 952884 | CLARINGTON, Monroe, OH | Pass | State |
| 2023-08-29 | CARGILL, INCORPORATED - SALT DIVISION | AKRON, Summit, OH | Pass | State |
| 2023-08-29 | WYNNEWOOD REFINING CO LLC / WYNNEWOOD REFINERY — high-priority violation on file | WYNNEWOOD, Garvin, OK | Pass | State |
| 2023-08-29 | ET GATHERING PROCESSING LLC / HOPETON GAS PLANT | ALVA, Woods, OK | Pass | State |
| 2023-08-29 | ET GATHERING PROCESSING LLC / HOPETON GAS PLANT | ALVA, Woods, OK | Pass | State |
| 2023-08-29 | ET GATHERING PROCESSING LLC / HOPETON GAS PLANT | ALVA, Woods, OK | Pass | State |
| 2023-08-29 | ALTA PERFORMANCE MATERIALS US, LLC | PITTSBURGH, Allegheny, PA | Pass | Local |
| 2023-08-29 | PACKAGING CORPORATION OF AMERICA | COUNCE, Hardin, TN | Pass | State |
| 2023-08-29 | CRUCIBLE ZINC, LLC — high-priority violation on file | CLARKSVILLE, Montgomery, TN | Pass | State |
| 2023-08-29 | TENNESSEE OPERATIONS OF EASTMAN CHEMICAL COMPANY — high-priority violation on file | KINGSPORT, Sullivan, TN | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.