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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 |
|---|---|---|---|---|
| 2022-06-14 | SYLVAMO NORTH AMERICA LLC - EASTOVER MILL | EASTOVER, Richland, SC | Pass | State |
| 2022-06-14 | HARVEST FOUR CORNERS, LLC - IGNACIO GAS PLANT | DURANGO, La Plata, CO | Pass | State |
| 2022-06-14 | FASHING GAS TREATING PLANT | KARNES CITY, Atascosa, TX | Pass | State |
| 2022-06-14 | NORTHWEST PIPELINE CORP CHEHALIS | CHEHALIS, Lewis, WA | Pass | Local |
| 2022-06-14 | MONONGAHELA POWER COMPANY, FORT MARTIN STATION | MAIDSVILLE, Monongalia, WV | Pass | State |
| 2022-06-14 | NEIL SIMPSON COMPLEX (BLACK HILLS CORPORATION) | GILLETTE, Campbell, WY | Pass | State |
| 2022-06-14 | HF SINCLAIR PARCO REFINING LLC — high-priority violation on file | SINCLAIR, Carbon, WY | Pass | State |
| 2022-06-14 | ECHO SPRINGS GAS PLANT (WILLIAMS FIELD SERVICES) | CARBON COUNTY, Carbon, WY | Pass | State |
| 2022-06-14 | DOUGLAS GAS PLANT (TALLGRASS MIDSTREAM) | DOUGLAS, Converse, WY | Pass | State |
| 2022-06-13 | MARION COUNTY QUARRY | YELLVILLE, Marion, AR | Pass | State |
| 2022-06-13 | MARION COUNTY QUARRY | YELLVILLE, Marion, AR | Pass | State |
| 2022-06-13 | MARION COUNTY QUARRY | YELLVILLE, Marion, AR | Pass | State |
| 2022-06-13 | MARION COUNTY QUARRY | YELLVILLE, Marion, AR | Pass | State |
| 2022-06-13 | MARION COUNTY QUARRY | YELLVILLE, Marion, AR | Pass | State |
| 2022-06-13 | MARION COUNTY QUARRY | YELLVILLE, Marion, AR | Pass | State |
| 2022-06-13 | MARION COUNTY QUARRY | YELLVILLE, Marion, AR | Pass | State |
| 2022-06-13 | MARION COUNTY QUARRY | YELLVILLE, Marion, AR | Pass | State |
| 2022-06-13 | MARION COUNTY QUARRY | YELLVILLE, Marion, AR | Pass | State |
| 2022-06-13 | MARION COUNTY QUARRY | YELLVILLE, Marion, AR | Pass | State |
| 2022-06-13 | MARION COUNTY QUARRY | YELLVILLE, Marion, AR | Pass | State |
| 2022-06-13 | CHEVRON PRODUCTS CO — high-priority violation on file | EL SEGUNDO, Los Angeles, CA | Pass | Local |
| 2022-06-13 | TESORO REFINING & MARKETING CO, LLC — high-priority violation on file | CARSON, Los Angeles, CA | Pass | Local |
| 2022-06-13 | SAN BERNARDINO CO- SOLID WASTE MGMT | RIALTO, San Bernardino, CA | Pending | Local |
| 2022-06-13 | BLACK HILLS ELECTRIC GENERATION - PAGS | PUEBLO, Pueblo, CO | Pass | State |
| 2022-06-13 | GB II NEW HAVEN, LLC - NEW HAVEN HARBOR STATION | NEW HAVEN, New Haven, CT | Pass | State |
| 2022-06-13 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2022-06-13 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2022-06-13 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2022-06-13 | SEMINOLE ELECTRIC COOPERATIVE, INC. | PALATKA, Putnam, FL | Pass | State |
| 2022-06-13 | TALBOT ENERGY FACILITY | BOX SPRINGS, Talbot, GA | Pass | State |
| 2022-06-13 | TALBOT ENERGY FACILITY | BOX SPRINGS, Talbot, GA | Pass | State |
| 2022-06-13 | TALBOT ENERGY FACILITY | BOX SPRINGS, Talbot, GA | Pass | State |
| 2022-06-13 | TALBOT ENERGY FACILITY | BOX SPRINGS, Talbot, GA | Pass | State |
| 2022-06-13 | VANTAGE CORN PROCESSORS, LLC | CEDAR RAPIDS, Linn, IA | Pass | Local |
| 2022-06-13 | MILESTONE CONTRACTORS LP | DALEVILLE, Delaware, IN | Pass | State |
| 2022-06-13 | MILESTONE CONTRACTORS LP | DALEVILLE, Delaware, IN | Pass | State |
| 2022-06-13 | MILESTONE CONTRACTORS LP | DALEVILLE, Delaware, IN | Pass | State |
| 2022-06-13 | MILESTONE CONTRACTORS LP | DALEVILLE, Delaware, IN | Pass | State |
| 2022-06-13 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2022-06-13 | LIBERTY LANDFILL LLC | MONTICELLO, White, IN | Fail | State |
| 2022-06-13 | LIBERTY LANDFILL LLC | MONTICELLO, White, IN | Fail | State |
| 2022-06-13 | LIBERTY LANDFILL LLC | MONTICELLO, White, IN | Pass | State |
| 2022-06-13 | LIBERTY LANDFILL LLC | MONTICELLO, White, IN | Pass | State |
| 2022-06-13 | LIBERTY LANDFILL LLC | MONTICELLO, White, IN | Pass | State |
| 2022-06-13 | SOUTHERN MINNESOTA MUNICIPAL POWER AGENCY FAIRMONT ENERGY STATION | FAIRMONT, Martin, MN | Pass | State |
| 2022-06-13 | NSLC SOUTHERN INC | HERMANVILLE, Claiborne, MS | Pass | State |
| 2022-06-13 | NSLC SOUTHERN INC | HERMANVILLE, Claiborne, MS | Pass | State |
| 2022-06-13 | NSLC SOUTHERN INC | HERMANVILLE, Claiborne, MS | Pass | State |
| 2022-06-13 | NSLC SOUTHERN INC | HERMANVILLE, Claiborne, MS | Pass | State |
| 2022-06-13 | NSLC SOUTHERN INC | HERMANVILLE, Claiborne, MS | Pass | State |
| 2022-06-13 | NSLC SOUTHERN INC | HERMANVILLE, Claiborne, MS | Pass | State |
| 2022-06-13 | DRY CREEK FIELD STATION 056 | RED LODGE, Carbon, MT | Pass | State |
| 2022-06-13 | PCS PHOSPHATE COMPANY, INC. - AURORA | AURORA, Beaufort, NC | Pass | State |
| 2022-06-13 | MARKWEST - RED HILLS COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2022-06-13 | MARKWEST - RED HILLS COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2022-06-13 | EOG - VIPER LOCALIZED GAS LIFT STATION | JAL, Lea, NM | Pass | State |
| 2022-06-13 | EOG - VIPER LOCALIZED GAS LIFT STATION | JAL, Lea, NM | Pass | State |
| 2022-06-13 | ONEOK FIELD SERVICES CO LLC / WARD COMPRESSOR STATION NORTHERN ROWS | GEARY, Canadian, OK | Pass | State |
| 2022-06-13 | ONEOK FIELD SERVICES CO LLC / WARD COMPRESSOR STATION NORTHERN ROWS | GEARY, Canadian, OK | Pass | State |
| 2022-06-13 | FORMENTERA OPERATIONS / STEJSKAL 36 25 11 6 1H 2H PRODUCTION F | YUKON, Canadian, OK | Pass | State |
| 2022-06-13 | IRON HORSE MIDSTREAM LLC / TERRITORY COMPRESSOR STATION | EL RENO, Canadian, OK | Pass | State |
| 2022-06-13 | IRON HORSE MIDSTREAM LLC / TERRITORY COMPRESSOR STATION | EL RENO, Canadian, OK | Pass | State |
| 2022-06-13 | FORMENTERA OPERATIONS / GADWALL REMINGTON PRODUCTION FACILITY | OKLAHOMA CITY, Canadian, OK | Pass | State |
| 2022-06-13 | FOUNDATION ENERGY MANAGEMENT LLC / NORTHRIDGE GAS PLANT | GERTY, Hughes, OK | Pass | State |
| 2022-06-13 | FW MIDCON I LLC / LAURA 1507 2H 3H 17X | OKARCHE, Kingfisher, OK | Pass | State |
| 2022-06-13 | FW MIDCON I LLC / RALPH 1507 2H 3H 4H 15X | KINGFISHER, Kingfisher, OK | Pass | State |
| 2022-06-13 | REGENCY MARCELLUS GAS GATHERING LLC/LONE WALNUT COMP STA | JERSEY SHORE, Lycoming, PA | Pass | State |
| 2022-06-13 | ALLIANT ENERGY - WPL - COLUMBIA ENERGY CENTER | PARDEEVILLE, Columbia, WI | Pass | State |
| 2022-06-13 | ARDAGH GLASS INC — high-priority violation on file | BURLINGTON, Richland, WI | Pass | State |
| 2022-06-12 | TRACY GENERATING STATION | MCCARRAN, Storey, NV | Pass | State |
| 2022-06-10 | PETRO STAR, INC. / PETRO STAR VALDEZ REFINERY — high-priority violation on file | VALDEZ, Valdez-Cordova (CA), AK | Pass | State |
| 2022-06-10 | DESOTO GATHERING COMPANY, LLC - NEW QUITMAN CPF-2 | QUITMAN, Faulkner, AR | Pass | State |
| 2022-06-10 | EVONIK CORPORATION | LITTLE ROCK, Pulaski, AR | Pass | State |
| 2022-06-10 | DESOTO GATHERING COMPANY, LLC - YOGI CPF-1 | BEE BRANCH, Van Buren, AR | Pass | State |
| 2022-06-10 | CA DEPT CORRECTIONS STATE PRISON-AVENAL | AVENAL, Kings, CA | Pass | Local |
| 2022-06-10 | CA DEPT CORRECTIONS STATE PRISON-AVENAL | AVENAL, Kings, CA | Pass | Local |
| 2022-06-10 | CA DEPT CORRECTIONS STATE PRISON-AVENAL | AVENAL, Kings, CA | Pass | Local |
| 2022-06-10 | CA DEPT CORRECTIONS STATE PRISON-AVENAL | AVENAL, Kings, CA | Pass | Local |
| 2022-06-10 | CA DEPT CORRECTIONS STATE PRISON-AVENAL | AVENAL, Kings, CA | Pass | Local |
| 2022-06-10 | CA DEPT CORRECTIONS STATE PRISON-AVENAL | AVENAL, Kings, CA | Pass | Local |
| 2022-06-10 | CA DEPT CORRECTIONS STATE PRISON-AVENAL | AVENAL, Kings, CA | Pass | Local |
| 2022-06-10 | CA DEPT CORRECTIONS STATE PRISON-AVENAL | AVENAL, Kings, CA | Pass | Local |
| 2022-06-10 | CA DEPT CORRECTIONS STATE PRISON-AVENAL | AVENAL, Kings, CA | Pass | Local |
| 2022-06-10 | CA DEPT CORRECTIONS STATE PRISON-AVENAL | AVENAL, Kings, CA | Pass | Local |
| 2022-06-10 | CA DEPT CORRECTIONS STATE PRISON-AVENAL | AVENAL, Kings, CA | Pass | Local |
| 2022-06-10 | CA DEPT CORRECTIONS STATE PRISON-AVENAL | AVENAL, Kings, CA | Pass | Local |
| 2022-06-10 | CA DEPT CORRECTIONS STATE PRISON-AVENAL | AVENAL, Kings, CA | Pass | Local |
| 2022-06-10 | CA DEPT CORRECTIONS STATE PRISON-AVENAL | AVENAL, Kings, CA | Pass | Local |
| 2022-06-10 | CA DEPT CORRECTIONS STATE PRISON-AVENAL | AVENAL, Kings, CA | Pass | Local |
| 2022-06-10 | CA DEPT CORRECTIONS STATE PRISON-AVENAL | AVENAL, Kings, CA | Pass | Local |
| 2022-06-10 | CA DEPT CORRECTIONS STATE PRISON-AVENAL | AVENAL, Kings, CA | Pass | Local |
| 2022-06-10 | CA DEPT CORRECTIONS STATE PRISON-AVENAL | AVENAL, Kings, CA | Pass | Local |
| 2022-06-10 | CA DEPT CORRECTIONS STATE PRISON-AVENAL | AVENAL, Kings, CA | Pass | Local |
| 2022-06-10 | CA DEPT CORRECTIONS STATE PRISON-AVENAL | AVENAL, Kings, CA | Pass | Local |
| 2022-06-10 | CA DEPT CORRECTIONS STATE PRISON-AVENAL | AVENAL, Kings, CA | Pass | Local |
| 2022-06-10 | CA DEPT CORRECTIONS STATE PRISON-AVENAL | AVENAL, Kings, CA | Pass | Local |
| 2022-06-10 | CA DEPT CORRECTIONS STATE PRISON-AVENAL | AVENAL, Kings, CA | Pass | Local |
| 2022-06-10 | CA DEPT CORRECTIONS STATE PRISON-AVENAL | AVENAL, Kings, CA | Pass | Local |
| 2022-06-10 | CA DEPT CORRECTIONS STATE PRISON-AVENAL | AVENAL, Kings, CA | Pass | Local |
| 2022-06-10 | CA DEPT CORRECTIONS STATE PRISON-AVENAL | AVENAL, Kings, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.