EPA Air · stack tests by year
Air-emissions stack tests in 2020
- 33,437Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2020
- California 15,352
- Ohio 2,194
- Florida 1,532
- Oklahoma 1,517
- Indiana 1,473
- Georgia 1,147
- New Mexico 846
- Pennsylvania 725
- Alabama 674
- Texas 617
- Missouri 607
- Arkansas 589
- Mississippi 438
- Colorado 429
- Washington 407
- Iowa 355
- North Carolina 274
- Wyoming 235
- Wisconsin 229
- Michigan 222
- South Carolina 221
- Montana 217
- Minnesota 213
- Delaware 211
- Kentucky 184
- West Virginia 175
- Utah 158
- Tennessee 149
- Kansas 144
- Nebraska 142
- Alaska 141
- Maine 136
- Nevada 134
- Virginia 132
- Illinois 129
- North Dakota 129
- New Jersey 122
- Connecticut 110
- Arizona 97
- New York 93
- Hawaii 84
- Louisiana 83
- Idaho 81
- New Hampshire 72
- Maryland 46
- South Dakota 46
- Oregon 39
- Rhode Island 30
- District of Columbia 30
- Vermont 17
- Massachusetts 7
- Puerto Rico 3
Other years
Air-emissions stack tests recorded in 2020
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | ROCKY MOUNTAIN MIDSTREAM - POWHATON C.S. | BRIGHTON 3.0 MI. E OF, Adams, CO | Fail | State |
| 2020-10-20 | ROCKY MOUNTAIN MIDSTREAM - POWHATON C.S. | BRIGHTON 3.0 MI. E OF, Adams, CO | Pass | State |
| 2020-10-20 | BLACK HILLS ELECTRIC GENERATION - PAGS | PUEBLO, Pueblo, CO | Pass | State |
| 2020-10-20 | BLACK HILLS ELECTRIC GENERATION - PAGS | PUEBLO, Pueblo, CO | Pass | State |
| 2020-10-20 | NOBLE ENERGY - WELLS RANCH AA24, AA23, B | KERSEY 9.4 MI. NE OF, Weld, CO | Pass | State |
| 2020-10-20 | QUIKRETE CONSTRUCTION MATERIALS, LLC | TAMPA, Hillsborough, FL | Pass | State |
| 2020-10-20 | QUIKRETE CONSTRUCTION MATERIALS, LLC | TAMPA, Hillsborough, FL | Pass | State |
| 2020-10-20 | MARTA - LAREDO DRIVE CNG STATION | DECATUR, DeKalb, GA | Pass | State |
| 2020-10-20 | MARTA - LAREDO DRIVE CNG STATION | DECATUR, DeKalb, GA | Pass | State |
| 2020-10-20 | MARTA - LAREDO DRIVE CNG STATION | DECATUR, DeKalb, GA | Pass | State |
| 2020-10-20 | MARTA - LAREDO DRIVE CNG STATION | DECATUR, DeKalb, GA | Pass | State |
| 2020-10-20 | AMCOR TOBACCO PACKAGING AMERICAS, INC. | PEACHTREE CITY, Fayette, GA | Pass | State |
| 2020-10-20 | AMCOR TOBACCO PACKAGING AMERICAS, INC. | PEACHTREE CITY, Fayette, GA | Pass | State |
| 2020-10-20 | C. W. MATHEWS CONTRACTING CO, INC | PEACHTREE CORNERS, Gwinnett, GA | Fail | State |
| 2020-10-20 | POET BIOREFINING - SHELL ROCK, LLC — high-priority violation on file | SHELL ROCK, Butler, IA | Fail | State |
| 2020-10-20 | HINSDALE HOSPITAL | HINSDALE, DuPage, IL | Pass | State |
| 2020-10-20 | ILLINOIS CEMENT CO | LASALLE, La Salle, IL | Pass | State |
| 2020-10-20 | JASPER RUBBER PRODUCTS INC — high-priority violation on file | JASPER, Dubois, IN | Pass | State |
| 2020-10-20 | JASPER RUBBER PRODUCTS INC — high-priority violation on file | JASPER, Dubois, IN | Pass | State |
| 2020-10-20 | JASPER RUBBER PRODUCTS INC — high-priority violation on file | JASPER, Dubois, IN | Pass | State |
| 2020-10-20 | JASPER RUBBER PRODUCTS INC — high-priority violation on file | JASPER, Dubois, IN | Pass | State |
| 2020-10-20 | JASPER RUBBER PRODUCTS INC — high-priority violation on file | JASPER, Dubois, IN | Pass | State |
| 2020-10-20 | JASPER RUBBER PRODUCTS INC — high-priority violation on file | JASPER, Dubois, IN | Pass | State |
| 2020-10-20 | JASPER RUBBER PRODUCTS INC — high-priority violation on file | JASPER, Dubois, IN | Pass | State |
| 2020-10-20 | JASPER RUBBER PRODUCTS INC — high-priority violation on file | JASPER, Dubois, IN | Pass | State |
| 2020-10-20 | JASPER RUBBER PRODUCTS INC — high-priority violation on file | JASPER, Dubois, IN | Pass | State |
| 2020-10-20 | JASPER RUBBER PRODUCTS INC — high-priority violation on file | JASPER, Dubois, IN | Pass | State |
| 2020-10-20 | JASPER RUBBER PRODUCTS INC — high-priority violation on file | JASPER, Dubois, IN | Pass | State |
| 2020-10-20 | JASPER RUBBER PRODUCTS INC — high-priority violation on file | JASPER, Dubois, IN | Pass | State |
| 2020-10-20 | WM TECHNOLOGIES LLC — high-priority violation on file | MICHIGAN CITY, LaPorte, IN | Pass | State |
| 2020-10-20 | WM TECHNOLOGIES LLC — high-priority violation on file | MICHIGAN CITY, LaPorte, IN | Pass | State |
| 2020-10-20 | WM TECHNOLOGIES LLC — high-priority violation on file | MICHIGAN CITY, LaPorte, IN | Pass | State |
| 2020-10-20 | FEDERAL EXPRESS CORPORATION | INDIANAPOLIS, Marion, IN | Pass | State |
| 2020-10-20 | FEDERAL EXPRESS CORPORATION | INDIANAPOLIS, Marion, IN | Pass | State |
| 2020-10-20 | FEDERAL EXPRESS CORPORATION | INDIANAPOLIS, Marion, IN | Pass | State |
| 2020-10-20 | FEDERAL EXPRESS CORPORATION | INDIANAPOLIS, Marion, IN | Pass | State |
| 2020-10-20 | URSCHEL LABORATORIES INC | CHESTERTON, Porter, IN | Pass | State |
| 2020-10-20 | URSCHEL LABORATORIES INC | CHESTERTON, Porter, IN | Pass | State |
| 2020-10-20 | URSCHEL LABORATORIES INC | CHESTERTON, Porter, IN | Pass | State |
| 2020-10-20 | URSCHEL LABORATORIES INC | CHESTERTON, Porter, IN | Pass | State |
| 2020-10-20 | LIBERTY LANDFILL LLC | MONTICELLO, White, IN | Pass | State |
| 2020-10-20 | LIBERTY LANDFILL LLC | MONTICELLO, White, IN | Pass | State |
| 2020-10-20 | LIBERTY LANDFILL LLC | MONTICELLO, White, IN | Pass | State |
| 2020-10-20 | LIBERTY LANDFILL LLC | MONTICELLO, White, IN | Pass | State |
| 2020-10-20 | LIBERTY LANDFILL LLC | MONTICELLO, White, IN | Pass | State |
| 2020-10-20 | LIBERTY LANDFILL LLC | MONTICELLO, White, IN | Pass | State |
| 2020-10-20 | LIBERTY LANDFILL LLC | MONTICELLO, White, IN | Pass | State |
| 2020-10-20 | LIBERTY LANDFILL LLC | MONTICELLO, White, IN | Pass | State |
| 2020-10-20 | LIBERTY LANDFILL LLC | MONTICELLO, White, IN | Pass | State |
| 2020-10-20 | EVERGY - LA CYGNE (AIR) | LA CYGNE, Linn, KS | Pass | State |
| 2020-10-20 | EAST KY POWER COOP - BAVARIAN LGTE | WALTON, Boone, KY | Pass | State |
| 2020-10-20 | HILLSHIRE BRANDS - CLARYVILLE PLANT | ALEXANDRIA (CAMPBELL), Campbell, KY | Pass | State |
| 2020-10-20 | KY UTILITIES CO - BROWN STATION | HARRODSBURG, Mercer, KY | Pass | State |
| 2020-10-20 | DOMINION TRANSMISSION, INC | MIDDLETOWN, Frederick, MD | Pass | State |
| 2020-10-20 | EAGLE POINT ENERGY CENTER, LLC | ORRINGTON, Penobscot, ME | Pass | State |
| 2020-10-20 | DOW SILICONES CORPORATION | MIDLAND, Midland, MI | Pass | State |
| 2020-10-20 | ZEELAND FARM SERVICES, INC. — high-priority violation on file | ZEELAND, Ottawa, MI | Pass | State |
| 2020-10-20 | VENICE PARK RDF | LENNON, Shiawassee, MI | Pass | State |
| 2020-10-20 | HENKEL US OPERATIONS CORP - CANNON FALLS | CANNON FALLS, Goodhue, MN | Pass | State |
| 2020-10-20 | SMMPA METHANE ENERGY FACILITY | MORA, Kanabec, MN | Pass | State |
| 2020-10-20 | ANDERSEN CORPORATION | BAYPORT, Washington, MN | Pass | State |
| 2020-10-20 | MISSISSIPPI POWER COMPANY, CHEVRON COGENERATING PLANT | PASCAGOULA, Jackson, MS | Pass | State |
| 2020-10-20 | MISSISSIPPI POWER COMPANY, CHEVRON COGENERATING PLANT | PASCAGOULA, Jackson, MS | Pass | State |
| 2020-10-20 | MISSISSIPPI POWER COMPANY, CHEVRON COGENERATING PLANT | PASCAGOULA, Jackson, MS | Pass | State |
| 2020-10-20 | MISSISSIPPI POWER COMPANY, CHEVRON COGENERATING PLANT | PASCAGOULA, Jackson, MS | Pass | State |
| 2020-10-20 | REGULATOR MARINE, INC. | EDENTON, Chowan, NC | Pending | State |
| 2020-10-20 | ONEOK ROCKIES MIDSTREAM, L.L.C. - GARDEN CREEK GAS PLANT - AQ | WATFORD CITY, McKenzie, ND | Pending | State |
| 2020-10-20 | ONEOK ROCKIES MIDSTREAM, L.L.C. - GARDEN CREEK GAS PLANT - AQ | WATFORD CITY, McKenzie, ND | Pass | State |
| 2020-10-20 | ONEOK ROCKIES MIDSTREAM, L.L.C. - BEAVERTAIL COMPRESSOR STATION - AQ | WATFORD CITY, McKenzie, ND | Pass | State |
| 2020-10-20 | ONEOK ROCKIES MIDSTREAM, L.L.C. - BEAVERTAIL COMPRESSOR STATION - AQ | WATFORD CITY, McKenzie, ND | Pending | State |
| 2020-10-20 | BRAEN ROYALTY LLC — high-priority violation on file | SPARTA, Sussex, NJ | Fail | State |
| 2020-10-20 | STRAWBERRY FIELDS BOOSTER STATION | LOCO HILLS, Eddy, NM | Pass | State |
| 2020-10-20 | STRAWBERRY FIELDS BOOSTER STATION | LOCO HILLS, Eddy, NM | Pass | State |
| 2020-10-20 | BLOOMFIELD PRODUCTS TERMINAL | BLOOMFIELD, San Juan, NM | Pass | State |
| 2020-10-20 | AUGUSTA COMPRESSOR FACILITY- UTICA GAS SERVICES, L.L.C. | EAST, TOWNSHIP OF, Carroll, OH | Pass | State |
| 2020-10-20 | AUGUSTA COMPRESSOR FACILITY- UTICA GAS SERVICES, L.L.C. | EAST, TOWNSHIP OF, Carroll, OH | Pass | State |
| 2020-10-20 | AUGUSTA COMPRESSOR FACILITY- UTICA GAS SERVICES, L.L.C. | EAST, TOWNSHIP OF, Carroll, OH | Pass | State |
| 2020-10-20 | AUGUSTA COMPRESSOR FACILITY- UTICA GAS SERVICES, L.L.C. | EAST, TOWNSHIP OF, Carroll, OH | Pass | State |
| 2020-10-20 | AUGUSTA COMPRESSOR FACILITY- UTICA GAS SERVICES, L.L.C. | EAST, TOWNSHIP OF, Carroll, OH | Pass | State |
| 2020-10-20 | AUGUSTA COMPRESSOR FACILITY- UTICA GAS SERVICES, L.L.C. | EAST, TOWNSHIP OF, Carroll, OH | Pass | State |
| 2020-10-20 | AUGUSTA COMPRESSOR FACILITY- UTICA GAS SERVICES, L.L.C. | EAST, TOWNSHIP OF, Carroll, OH | Pass | State |
| 2020-10-20 | AUGUSTA COMPRESSOR FACILITY- UTICA GAS SERVICES, L.L.C. | EAST, TOWNSHIP OF, Carroll, OH | Pass | State |
| 2020-10-20 | AUGUSTA COMPRESSOR FACILITY- UTICA GAS SERVICES, L.L.C. | EAST, TOWNSHIP OF, Carroll, OH | Pass | State |
| 2020-10-20 | AUGUSTA COMPRESSOR FACILITY- UTICA GAS SERVICES, L.L.C. | EAST, TOWNSHIP OF, Carroll, OH | Pass | State |
| 2020-10-20 | AUGUSTA COMPRESSOR FACILITY- UTICA GAS SERVICES, L.L.C. | EAST, TOWNSHIP OF, Carroll, OH | Pass | State |
| 2020-10-20 | AUGUSTA COMPRESSOR FACILITY- UTICA GAS SERVICES, L.L.C. | EAST, TOWNSHIP OF, Carroll, OH | Pass | State |
| 2020-10-20 | CARMEUSE LIME, INC. - MAPLE GROVE OPERATIONS — high-priority violation on file | BETTSVILLE, Seneca, OH | Fail | State |
| 2020-10-20 | CARMEUSE LIME, INC. - MAPLE GROVE OPERATIONS — high-priority violation on file | BETTSVILLE, Seneca, OH | Fail | State |
| 2020-10-20 | CARMEUSE LIME, INC. - MAPLE GROVE OPERATIONS — high-priority violation on file | BETTSVILLE, Seneca, OH | Pass | State |
| 2020-10-20 | CARMEUSE LIME, INC. - MAPLE GROVE OPERATIONS — high-priority violation on file | BETTSVILLE, Seneca, OH | Pass | State |
| 2020-10-20 | CARMEUSE LIME, INC. - MAPLE GROVE OPERATIONS — high-priority violation on file | BETTSVILLE, Seneca, OH | Pass | State |
| 2020-10-20 | CARMEUSE LIME, INC. - MAPLE GROVE OPERATIONS — high-priority violation on file | BETTSVILLE, Seneca, OH | Pass | State |
| 2020-10-20 | CARMEUSE LIME, INC. - MAPLE GROVE OPERATIONS — high-priority violation on file | BETTSVILLE, Seneca, OH | Pass | State |
| 2020-10-20 | CARMEUSE LIME, INC. - MAPLE GROVE OPERATIONS — high-priority violation on file | BETTSVILLE, Seneca, OH | Pass | State |
| 2020-10-20 | CARMEUSE LIME, INC. - MAPLE GROVE OPERATIONS — high-priority violation on file | BETTSVILLE, Seneca, OH | Pass | State |
| 2020-10-20 | CARMEUSE LIME, INC. - MAPLE GROVE OPERATIONS — high-priority violation on file | BETTSVILLE, Seneca, OH | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.