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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 |
|---|---|---|---|---|
| 2022-08-01 | ALABAMA POWER COMPANY | FORKLAND, Greene, AL | Pass | State |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2022-08-01 | DCP OPERATING CO - WELLS RANCH CS | KERSEY 7.7 MI. NE OF, Weld, CO | Pass | State |
| 2022-08-01 | DCP OPERATING CO - WELLS RANCH CS | KERSEY 7.7 MI. NE OF, Weld, CO | Pass | State |
| 2022-08-01 | SUMMIT DJ-O OPERATING - KOKI — high-priority violation on file | JACKSON LAKE, Weld, CO | Pass | State |
| 2022-08-01 | BRADLEY INTERNATIONAL AIRPORT / AMERESCO SELECT, INC. | WINDSOR LOCKS, Hartford, CT | Fail | State |
| 2022-08-01 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2022-08-01 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2022-08-01 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2022-08-01 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2022-08-01 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2022-08-01 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2022-08-01 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2022-08-01 | REAL ALLOY RECYCLING LLC | WABASH, Wabash, IN | Pass | State |
| 2022-08-01 | REAL ALLOY RECYCLING LLC | WABASH, Wabash, IN | Pass | State |
| 2022-08-01 | REAL ALLOY RECYCLING LLC | WABASH, Wabash, IN | Pass | State |
| 2022-08-01 | REAL ALLOY RECYCLING LLC | WABASH, Wabash, IN | Pass | State |
| 2022-08-01 | EAST BAY CENTRAL FACILITY — high-priority violation on file | VENICE, Plaquemines, LA | Pass | State |
| 2022-08-01 | GENERAL MOTORS LLC DETROIT-HAMTRAMCK ASSEMBLY | DETROIT, Wayne, MI | Pass | State |
| 2022-08-01 | GENERAL MOTORS LLC DETROIT-HAMTRAMCK ASSEMBLY | DETROIT, Wayne, MI | Pending | State |
| 2022-08-01 | WOLVERINE POWER SUPPLY COOPERATIVE INC. - ALPINE POWER PLANT | ELMIRA, Otsego, MI | Pass | State |
| 2022-08-01 | MINNESOTA POWER - BOSWELL ENERGY CENTER | COHASSET, Itasca, MN | Pass | State |
| 2022-08-01 | PIEDMONT NATURAL GAS - LUMBERTON FACILITY | LUMBERTON, Robeson, NC | Pass | State |
| 2022-08-01 | MOSAIC COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2022-08-01 | BENNETVILLE COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2022-08-01 | BENNETVILLE COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2022-08-01 | BLUE RACER MIDSTREAM LLC - BFS#2 (FLUSHING A) | FLUSHING, Belmont, OH | Pass | State |
| 2022-08-01 | BLUE RACER MIDSTREAM LLC - BFS#2 (FLUSHING A) | FLUSHING, Belmont, OH | Pass | State |
| 2022-08-01 | BLUE RACER MIDSTREAM LLC - BFS#2 (FLUSHING A) | FLUSHING, Belmont, OH | Pass | State |
| 2022-08-01 | COTERRA ENERGY OPERATING CO / ELDER CAREL | UNION CITY, Canadian, OK | Pass | State |
| 2022-08-01 | MUSTANG GAS PRODUCTS LLC / RODMAN GAS PLANT — high-priority violation on file | DRUMMOND, Garfield, OK | Pass | State |
| 2022-08-01 | FW MIDCON I LLC / HOLINSWORTH 1H 16 | PURDY, Garvin, OK | Pass | State |
| 2022-08-01 | WILLIAMS FIELD SVC CO LLC/SNAKE CREEK COMP STA | CLARKS SUMMIT, Susquehanna, PA | Pass | State |
| 2022-08-01 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | Pass | State |
| 2022-08-01 | AHLSTROM NA SPECIALTY SOLUTIONS LLC — high-priority violation on file | KAUKAUNA, Ozaukee, WI | Pass | State |
| 2022-07-31 | TWIN LANDFILL CORP. - MILNER LANDFILL — high-priority violation on file | STEAMBOAT SPRINGS 8.1 MI. W OF, Routt, CO | Pass | State |
| 2022-07-31 | POET BIOREFINING IOWA FALLS, LLC — high-priority violation on file | IOWA FALLS, Hardin, IA | Pass | State |
| 2022-07-31 | INTERMOUNTAIN POWER SERVICE CORPORATION | DELTA, Millard, UT | Pass | State |
| 2022-07-31 | INTERMOUNTAIN POWER SERVICE CORPORATION | DELTA, Millard, UT | Pass | State |
| 2022-07-30 | POET BIOREFINING IOWA FALLS, LLC — high-priority violation on file | IOWA FALLS, Hardin, IA | Pass | State |
| 2022-07-30 | REAL ALLOY SPECIFICATION LLC | WABASH, Wabash, IN | Pass | State |
| 2022-07-30 | REAL ALLOY SPECIFICATION LLC | WABASH, Wabash, IN | Pass | State |
| 2022-07-30 | REAL ALLOY SPECIFICATION LLC | WABASH, Wabash, IN | Pass | State |
| 2022-07-30 | REAL ALLOY SPECIFICATION LLC | WABASH, Wabash, IN | Pass | State |
| 2022-07-30 | LANXESS CORPORATION - CHARLESTON FACILITY — high-priority violation on file | CHARLESTON, Charleston, SC | Pass | State |
| 2022-07-30 | STARBUCKS MANUFACTURING CORPORATION | KENT, King, WA | Pass | Local |
| 2022-07-29 | BLUECREST ALASKA OPERATING LLC / COSMOPOLITAN PROJECT | KENAI, Kenai Peninsula, AK | Pass | State |
| 2022-07-29 | BLUECREST ALASKA OPERATING LLC / COSMOPOLITAN PROJECT | KENAI, Kenai Peninsula, AK | Pass | State |
| 2022-07-29 | CRESTWOOD CORPORATION | DOTHAN, Houston, AL | Pass | State |
| 2022-07-29 | EVONIK CORPORATION | LITTLE ROCK, Pulaski, AR | Pass | State |
| 2022-07-29 | EVONIK CORPORATION | LITTLE ROCK, Pulaski, AR | Pass | State |
| 2022-07-29 | EVONIK CORPORATION | LITTLE ROCK, Pulaski, AR | Pass | State |
| 2022-07-29 | EVONIK CORPORATION | LITTLE ROCK, Pulaski, AR | Pass | State |
| 2022-07-29 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-07-29 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-07-29 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-07-29 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-07-29 | PUBLIC SERVICE CO - CHEROKEE PLT | COMMERCE CITY AREA, Adams, CO | Pass | State |
| 2022-07-29 | SOUTH FLORIDA WATER MANAGEMENT DISTRICT | BROWARD COUNTY, Broward, FL | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.