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 |
|---|---|---|---|---|
| 2022-11-22 | AMERICAN BITUMINOUS POWER PARTNERS, L. P., GRANT | GRANT TOWN, Marion, WV | Pass | State |
| 2022-11-22 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2022-11-22 | GREEN RIVER SODIUM PRODUCTS PLANT (CHURCH & DWIGHT INC) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2022-11-21 | COYOTE WASH COMPRESSOR STATION | VERNAL, Uintah, UT | Pass | U.S. EPA |
| 2022-11-21 | COYOTE WASH COMPRESSOR STATION | VERNAL, Uintah, UT | Pass | U.S. EPA |
| 2022-11-21 | ALABAMA POWER COMPANY | BILLINGSLEY, Autauga, AL | Pass | State |
| 2022-11-21 | BIG RIVER STEEL LLC | OSCEOLA, Mississippi, AR | Fail | State |
| 2022-11-21 | BIG RIVER STEEL LLC | OSCEOLA, Mississippi, AR | Pass | State |
| 2022-11-21 | BIG RIVER STEEL LLC | OSCEOLA, Mississippi, AR | Fail | State |
| 2022-11-21 | RONNIE DUFFIELD GRAVEL COMPANY-ALEXANDER QUARRY | MOUNT IDA, Montgomery, AR | Pass | State |
| 2022-11-21 | RONNIE DUFFIELD GRAVEL COMPANY-ALEXANDER QUARRY | MOUNT IDA, Montgomery, AR | Pass | State |
| 2022-11-21 | RONNIE DUFFIELD GRAVEL COMPANY-ALEXANDER QUARRY | MOUNT IDA, Montgomery, AR | Pass | State |
| 2022-11-21 | CHEVRON PRODUCTS CO — high-priority violation on file | EL SEGUNDO, Los Angeles, CA | Pass | Local |
| 2022-11-21 | CHEVRON PRODUCTS CO — high-priority violation on file | EL SEGUNDO, Los Angeles, CA | Pass | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | WOODLAND GENERATION STATION | MODESTO, Stanislaus, CA | Fail | Local |
| 2022-11-21 | LOCKHEED MARTIN - WATERTON PLANT USAF PJ | LITTLETON, Jefferson, CO | N/A | State |
| 2022-11-21 | LOCKHEED MARTIN - WATERTON PLANT USAF PJ | LITTLETON, Jefferson, CO | N/A | State |
| 2022-11-21 | DCP OPERATING CO - ROGGEN NGPP — high-priority violation on file | KEENESBURG 4.4 MI. E OF, Weld, CO | Pass | State |
| 2022-11-21 | DCP OPERATING CO - SULLIVAN C.S. | KERSEY 16.1 MI. NE OF, Weld, CO | Pass | State |
| 2022-11-21 | LIGNOTECH FLORIDA LLC | FERNANDINA BEACH, Nassau, FL | Pass | State |
| 2022-11-21 | SAMPLE & SON CONSTRUCTION AND DEMOLITION LANDFILL — high-priority violation on file | GROVETOWN, Columbia, GA | Pass | State |
| 2022-11-21 | SIGECO AB BROWN GENERATING STATION | MOUNT VERNON, Posey, IN | Pass | State |
| 2022-11-21 | AMERICAN CRYSTAL SUGAR - MOORHEAD — high-priority violation on file | MOORHEAD, Clay, MN | Pass | State |
| 2022-11-21 | UNITED TACONITE LLC - FAIRLANE PLANT | FORBES, St. Louis, MN | Pass | State |
| 2022-11-21 | GCF US HOLDINGS, LLC - COLUMBUS MILL — high-priority violation on file | COLUMBUS, Lowndes, MS | Pass | State |
| 2022-11-21 | IREDELL COUNTY LANDFILL | STATESVILLE, Iredell, NC | Pending | State |
| 2022-11-21 | KAAPA ETHANOL RAVENNA LLC — high-priority violation on file | RAVENNA, Buffalo, NE | N/A | State |
| 2022-11-21 | SAND DUNES CS 11 — high-priority violation on file | MALAGA, Eddy, NM | Pass | State |
| 2022-11-21 | SAND DUNES CS 11 — high-priority violation on file | MALAGA, Eddy, NM | Pass | State |
| 2022-11-21 | FLORENCE STATE 23 FACILITY | JAL, Lea, NM | Pass | State |
| 2022-11-21 | LEO THORSNESS FACILITY | JAL, Lea, NM | Pass | State |
| 2022-11-21 | GHOST COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2022-11-21 | GHOST COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2022-11-21 | AMERICAN PACKAGING CORP | CHILI, Monroe, NY | Pass | State |
| 2022-11-21 | EOG RESOURCES, INC. - POINSETTIA 36-12-5 PAD | KILGORE, Carroll, OH | Pass | State |
| 2022-11-21 | EOG RESOURCES, INC. - POINSETTIA 36-12-5 PAD | KILGORE, Carroll, OH | Pass | State |
| 2022-11-21 | EOG RESOURCES, INC. - POINSETTIA 36-12-5 PAD | KILGORE, Carroll, OH | Pass | State |
| 2022-11-21 | EOG RESOURCES, INC. - DELMAR 24-13-6 PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2022-11-21 | EOG RESOURCES, INC. - DELMAR 24-13-6 PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2022-11-21 | EOG RESOURCES, INC. - DELMAR 24-13-6 PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2022-11-21 | GULFPORT APPALACHIA, LLC - SHIMBLE PAD | BELLAIRE, Belmont, OH | Pass | State |
| 2022-11-21 | GULFPORT APPALACHIA, LLC - SHIMBLE PAD | BELLAIRE, Belmont, OH | Pass | State |
| 2022-11-21 | GULFPORT APPALACHIA, LLC - SHIMBLE PAD | BELLAIRE, Belmont, OH | Pass | State |
| 2022-11-21 | GULFPORT APPALACHIA, LLC - LANCE WELL PAD | MARTINS FERRY, Belmont, OH | Pass | State |
| 2022-11-21 | GULFPORT APPALACHIA, LLC - LANCE WELL PAD | MARTINS FERRY, Belmont, OH | Pass | State |
| 2022-11-21 | GULFPORT APPALACHIA, LLC - LANCE WELL PAD | MARTINS FERRY, Belmont, OH | Pass | State |
| 2022-11-21 | BCE MACH LLC / ANNETTE 1 23 26H | EL RENO, Canadian, OK | Pass | State |
| 2022-11-21 | IRON HORSE MIDSTREAM LLC / TERRITORY COMPRESSOR STATION | EL RENO, Canadian, OK | Pass | State |
| 2022-11-21 | IRON HORSE MIDSTREAM LLC / CRUSADER COMPRESSOR STATION | EL RENO, Canadian, OK | Pass | State |
| 2022-11-21 | IRON HORSE MIDSTREAM LLC / CRUSADER COMPRESSOR STATION | EL RENO, Canadian, OK | Pass | State |
| 2022-11-21 | IRON HORSE MIDSTREAM LLC / CRUSADER COMPRESSOR STATION | EL RENO, Canadian, OK | Pass | State |
| 2022-11-21 | BCE MACH LLC / BIMBAT 21 16 12N 6W 1 2MHX ROSEANNADA | YUKON, Canadian, OK | Pass | State |
| 2022-11-21 | VALIDUS ENERGY II MIDCON LLC / WORLEY CREEK 20 29 PAD | TUTTLE, Grady, OK | Pass | State |
| 2022-11-21 | VALIDUS ENERGY II MIDCON LLC / WORLEY CREEK 20 29 PAD | TUTTLE, Grady, OK | Pass | State |
| 2022-11-21 | BCE MACH LLC / SANDHILL PAD A | OKARCHE, Kingfisher, OK | Pass | State |
| 2022-11-21 | SANTEE COOPER WINYAH GENERATING STATION | GEORGETOWN, Georgetown, SC | Pass | State |
| 2022-11-21 | COMPASS MINERALS | UTAH, Undetermined, UT | Pass | State |
| 2022-11-21 | COMPASS MINERALS | UTAH, Undetermined, UT | Pass | State |
| 2022-11-21 | EASTMAN PERFORMANCE FILMS LLC - FIELDALE | FIELDALE, Henry, VA | Pass | State |
| 2022-11-21 | FRANZ SEATTLE DIVISION - WELLER ST. | SEATTLE, King, WA | Pass | Local |
| 2022-11-21 | PINEDALE COMPLEX (HARVEST MIDSTREAM COMPANY) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.