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 |
|---|---|---|---|---|
| 2022-08-22 | EXPAND OPERATING LLC/TI-09-BROWN WELL PAD | LIBERTY, Lycoming, PA | Pass | State |
| 2022-08-22 | EXPAND OPERATING LLC/TI-07 CUPPER WELL PAD | LIBERTY, Tioga, PA | Pass | State |
| 2022-08-22 | GERDAU MIDLOTHIAN PLANT | MIDLOTHIAN, Ellis, TX | N/A | State |
| 2022-08-22 | GERDAU MIDLOTHIAN PLANT | MIDLOTHIAN, Ellis, TX | N/A | State |
| 2022-08-22 | LATERAL E COMPRESSOR STATION | BRIDGEPORT, Wise, TX | Pass | State |
| 2022-08-22 | ALLISON COMPRESSOR STATION — high-priority violation on file | DECATUR, Wise, TX | Pass | State |
| 2022-08-22 | NUCOR STEEL | PLYMOUTH, Box Elder, UT | Pass | State |
| 2022-08-22 | WISCONSIN PUBLIC SERVICE CORP-WEST MARIN | PESHTIGO, Marinette, WI | Pass | State |
| 2022-08-21 | PETRO STAR, INC. / NORTH POLE REFINERY | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2022-08-21 | TECK ALASKA, INC. (TECK) / RED DOG MINE — high-priority violation on file | KOTZEBUE, Northwest Arctic, AK | Pass | State |
| 2022-08-21 | TECK ALASKA, INC. (TECK) / RED DOG MINE — high-priority violation on file | KOTZEBUE, Northwest Arctic, AK | Pass | State |
| 2022-08-21 | TECK ALASKA, INC. (TECK) / RED DOG MINE — high-priority violation on file | KOTZEBUE, Northwest Arctic, AK | Pass | State |
| 2022-08-21 | ASCEND PERFORMANCE MATERIALS LLC — high-priority violation on file | DECATUR, Morgan, AL | Pass | State |
| 2022-08-21 | PANHANDLE EASTERN PIPELINE COMPANY | MONTEZUMA, Parke, IN | Pass | State |
| 2022-08-20 | ASCEND PERFORMANCE MATERIALS LLC — high-priority violation on file | DECATUR, Morgan, AL | Pass | State |
| 2022-08-20 | KINDER MORGAN OLP C | TAMPA, Hillsborough, FL | Pass | State |
| 2022-08-20 | HILLSBORO ENERGY LLC | HILLSBORO, Montgomery, IL | Pass | State |
| 2022-08-20 | A M WILLIAMS STATION | GOOSE CREEK, Berkeley, SC | Pass | State |
| 2022-08-19 | FREEPORT-MCMORAN SIERRITA | GREEN VALLEY, Pima, AZ | Pass | Local |
| 2022-08-19 | USMC - YERMO LOGISTICS CNTR | BARSTOW, San Bernardino, CA | Pass | Local |
| 2022-08-19 | TOMA-TEK | FIREBAUGH, Fresno, CA | Pass | Local |
| 2022-08-19 | TOMA-TEK | FIREBAUGH, Fresno, CA | Pass | Local |
| 2022-08-19 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2022-08-19 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2022-08-19 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2022-08-19 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2022-08-19 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2022-08-19 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2022-08-19 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2022-08-19 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2022-08-19 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2022-08-19 | GRAND RIVER GATHERING - HUNTER MESA CS | RIFLE 3.3 MI. SE OF, Garfield, CO | Pass | State |
| 2022-08-19 | GRAND RIVER GATHERING - HUNTER MESA CS | RIFLE 3.3 MI. SE OF, Garfield, CO | Pass | State |
| 2022-08-19 | COORSTEK INC - CLEAR CREEK VALLEY PLANT — high-priority violation on file | GOLDEN AREA, Jefferson, CO | Fail | State |
| 2022-08-19 | COORSTEK INC - CLEAR CREEK VALLEY PLANT — high-priority violation on file | GOLDEN AREA, Jefferson, CO | Fail | State |
| 2022-08-19 | COORSTEK INC - CLEAR CREEK VALLEY PLANT — high-priority violation on file | GOLDEN AREA, Jefferson, CO | Fail | State |
| 2022-08-19 | SOWEGA POWER LLC | BACONTON, Mitchell, GA | Pass | State |
| 2022-08-19 | PAR - REFINERY — high-priority violation on file | KAPOLEI, Honolulu, HI | Pass | State |
| 2022-08-19 | INDIANA MUNICIPAL POWER AGENCY-WHITEWATER VALLEY GENERATING | RICHMOND, Wayne, IN | Pass | State |
| 2022-08-19 | INDIANA MUNICIPAL POWER AGENCY-WHITEWATER VALLEY GENERATING | RICHMOND, Wayne, IN | Pass | State |
| 2022-08-19 | OWENS-CORNING STATELINE | JOPLIN, Jasper, MO | Fail | State |
| 2022-08-19 | OWENS-CORNING STATELINE | JOPLIN, Jasper, MO | Fail | State |
| 2022-08-19 | OWENS-CORNING STATELINE | JOPLIN, Jasper, MO | Fail | State |
| 2022-08-19 | MAGNITUDE 7 METALS, LLC | MARSTON, New Madrid, MO | Pass | State |
| 2022-08-19 | MAGNITUDE 7 METALS, LLC | MARSTON, New Madrid, MO | Pass | State |
| 2022-08-19 | MAGNITUDE 7 METALS, LLC | MARSTON, New Madrid, MO | Pass | State |
| 2022-08-19 | MAGNITUDE 7 METALS, LLC | MARSTON, New Madrid, MO | Pass | State |
| 2022-08-19 | HILAND PARTNERS HOLDINGS LLC - EPPING COMPRESSOR STATION | EPPING, Williams, ND | N/A | State |
| 2022-08-19 | POET BIOREFINING-FAIRMONT LLC — high-priority violation on file | FAIRMONT, Fillmore, NE | N/A | State |
| 2022-08-19 | AMG VANADIUM LLC — high-priority violation on file | CAMBRIDGE, Guernsey, OH | Pass | State |
| 2022-08-19 | AMG VANADIUM LLC — high-priority violation on file | CAMBRIDGE, Guernsey, OH | Pass | State |
| 2022-08-19 | AMG VANADIUM LLC — high-priority violation on file | CAMBRIDGE, Guernsey, OH | Pass | State |
| 2022-08-19 | AMG VANADIUM LLC — high-priority violation on file | CAMBRIDGE, Guernsey, OH | Pass | State |
| 2022-08-19 | AMG VANADIUM LLC — high-priority violation on file | CAMBRIDGE, Guernsey, OH | Pass | State |
| 2022-08-19 | BLUE RACER MIDSTREAM LLC - HFS#3 (ATHENS B) | NEW ATHENS, Harrison, OH | Pass | State |
| 2022-08-19 | BLUE RACER MIDSTREAM LLC - HFS#3 (ATHENS B) | NEW ATHENS, Harrison, OH | Pass | State |
| 2022-08-19 | BLUE RACER MIDSTREAM LLC - HFS#3 (ATHENS B) | NEW ATHENS, Harrison, OH | Pass | State |
| 2022-08-19 | ET GATHERING PROCESSING LLC / DRY CREEK COMPRESSOR STATION | BURLINGTON, Alfalfa, OK | Pass | State |
| 2022-08-19 | FW MIDCON I LLC / DICKENS 1H 10X OLIVER 1H 22X | BLANCHARD, Grady, OK | Pass | State |
| 2022-08-19 | FW MIDCON I LLC / GARMS 1709 2H 3H 4H 17X JOHN 1709 2H 3 | LOYAL, Kingfisher, OK | Pass | State |
| 2022-08-19 | OG AND E / MUSKOGEE GENERATING STATION — high-priority violation on file | FORT GIBSON, Muskogee, OK | Pass | State |
| 2022-08-19 | PA DEPT OF CORR/LAUREL HIGHLANDS SCI | SOMERSET, Somerset, PA | Pass | State |
| 2022-08-19 | DIVERSIFIED PROD LLC/NV 34 WELLPAD — high-priority violation on file | PROSPERITY, Washington, PA | Pass | State |
| 2022-08-19 | DIVERSIFIED PROD LLC/NINEVEH 58 WELL PAD — high-priority violation on file | PROSPERITY, Washington, PA | Pass | State |
| 2022-08-19 | DIVERSIFIED PROD LLC/NV 60 WELLPAD | CLAYSVILLE, Washington, PA | Pass | State |
| 2022-08-19 | ALLEN COMBINED CYCLE PLANT - TVA | MEMPHIS, Shelby, TN | Pass | Local |
| 2022-08-19 | HF SINCLAIR PARCO REFINING LLC — high-priority violation on file | SINCLAIR, Carbon, WY | Pass | State |
| 2022-08-18 | GP CELLULOSE ALABAMA RIVER CELLULOSE LLC | PERDUE HILL, Monroe, AL | Pass | State |
| 2022-08-18 | WESTROCK COATED BOARD LLC-MAHRT MILL | PHENIX CITY, Russell, AL | Pass | State |
| 2022-08-18 | SOUTHERN NATURAL GAS | YORK, Sumter, AL | Pass | State |
| 2022-08-18 | SOUTHERN NATURAL GAS | YORK, Sumter, AL | Pass | State |
| 2022-08-18 | APS REDHAWK GENERATING FACILITY | MARICOPA COUNTY, Maricopa, AZ | Pending | Local |
| 2022-08-18 | ARLINGTON VALLEY — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pending | Local |
| 2022-08-18 | USMC - YERMO LOGISTICS CNTR | BARSTOW, San Bernardino, CA | Pass | Local |
| 2022-08-18 | LONG BEACH SERRF PROJECT | LONG BEACH, Los Angeles, CA | Pass | Local |
| 2022-08-18 | LONG BEACH SERRF PROJECT | LONG BEACH, Los Angeles, CA | Pass | Local |
| 2022-08-18 | LONG BEACH SERRF PROJECT | LONG BEACH, Los Angeles, CA | Pass | Local |
| 2022-08-18 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
| 2022-08-18 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
| 2022-08-18 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
| 2022-08-18 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
| 2022-08-18 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
| 2022-08-18 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
| 2022-08-18 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
| 2022-08-18 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
| 2022-08-18 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
| 2022-08-18 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
| 2022-08-18 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
| 2022-08-18 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
| 2022-08-18 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
| 2022-08-18 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
| 2022-08-18 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
| 2022-08-18 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
| 2022-08-18 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
| 2022-08-18 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
| 2022-08-18 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
| 2022-08-18 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
| 2022-08-18 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
| 2022-08-18 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
| 2022-08-18 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.