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 |
|---|---|---|---|---|
| 2020-09-02 | EGT DEVELOPMENT, LLC | LONGVIEW, Cowlitz, WA | Pass | Local |
| 2020-09-02 | TRANSALTA CENTRALIA GENERATION, LLC — high-priority violation on file | CENTRALIA, Lewis, WA | Pass | Local |
| 2020-09-02 | QUAD/GRAPHICS, INC., HEDGESVILLE | MARTINSBURG, Berkeley, WV | Pass | State |
| 2020-09-02 | BIG ISLAND MINE & REFINERY (SISECAM WYOMING LLC) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2020-09-02 | GREEN RIVER SODA ASH PLANT (AMERICAN SODA LLC) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2020-09-01 | INTERNATIONAL PAPER COMPANY — high-priority violation on file | SELMA, Dallas, AL | Pass | State |
| 2020-09-01 | INTERNATIONAL PAPER COMPANY — high-priority violation on file | SELMA, Dallas, AL | Pass | State |
| 2020-09-01 | TR MILLER MILL CO INC | BREWTON, Escambia, AL | Pass | State |
| 2020-09-01 | TENNESSEE GAS PIPELINE COMPANY, LLC | HAMILTON, Marion, AL | Pass | State |
| 2020-09-01 | TENNESSEE GAS PIPELINE COMPANY, LLC | HAMILTON, Marion, AL | Pass | State |
| 2020-09-01 | TENNESSEE GAS PIPELINE COMPANY, LLC | HAMILTON, Marion, AL | Pass | State |
| 2020-09-01 | ALABAMA POWER COMPANY | BUCKS, Mobile, AL | Pass | State |
| 2020-09-01 | RAZORBACK GATHERING COMPANY, LLC. - HARMONY CPF 1 | SEARCY, White, AR | Pass | State |
| 2020-09-01 | USMC - YERMO LOGISTICS CNTR | BARSTOW, San Bernardino, CA | Pass | Local |
| 2020-09-01 | AES ALAMITOS STATION, LLC | LONG BEACH, Los Angeles, CA | Pass | Local |
| 2020-09-01 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2020-09-01 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2020-09-01 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2020-09-01 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2020-09-01 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2020-09-01 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2020-09-01 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2020-09-01 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2020-09-01 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2020-09-01 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2020-09-01 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2020-09-01 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2020-09-01 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2020-09-01 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2020-09-01 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2020-09-01 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2020-09-01 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2020-09-01 | TRICOR REFINING, LLC — high-priority violation on file | OILDALE, Kern, CA | Pass | Local |
| 2020-09-01 | TAFT PRODUCTION CO. | TAFT, Kern, CA | Pass | Local |
| 2020-09-01 | TAFT PRODUCTION CO. | TAFT, Kern, CA | Pass | Local |
| 2020-09-01 | TAFT PRODUCTION CO. | TAFT, Kern, CA | Pass | Local |
| 2020-09-01 | TAFT PRODUCTION CO. | TAFT, Kern, CA | Pass | Local |
| 2020-09-01 | TAFT PRODUCTION CO. | TAFT, Kern, CA | Pass | Local |
| 2020-09-01 | TAFT PRODUCTION CO. | TAFT, Kern, CA | Pass | Local |
| 2020-09-01 | TAFT PRODUCTION CO. | TAFT, Kern, CA | Pass | Local |
| 2020-09-01 | TAFT PRODUCTION CO. | TAFT, Kern, CA | Pass | Local |
| 2020-09-01 | TAFT PRODUCTION CO. | TAFT, Kern, CA | Pass | Local |
| 2020-09-01 | TAFT PRODUCTION CO. | TAFT, Kern, CA | Pass | Local |
| 2020-09-01 | TAFT PRODUCTION CO. | TAFT, Kern, CA | Pass | Local |
| 2020-09-01 | TAFT PRODUCTION CO. | TAFT, Kern, CA | Pass | Local |
| 2020-09-01 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-01 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-01 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-01 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-01 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-01 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-01 | DCP OPERATING CO - GREELEY NATURAL GAS P | EVANS AREA, Weld, CO | Pass | State |
| 2020-09-01 | DCP OPERATING CO - GREELEY NATURAL GAS P | EVANS AREA, Weld, CO | Pass | State |
| 2020-09-01 | DCP OPERATING CO - GREELEY NATURAL GAS P | EVANS AREA, Weld, CO | Pass | State |
| 2020-09-01 | DCP OPERATING CO - GREELEY NATURAL GAS P | EVANS AREA, Weld, CO | Pass | State |
| 2020-09-01 | DCP OPERATING CO - GREELEY NATURAL GAS P | EVANS AREA, Weld, CO | Pass | State |
| 2020-09-01 | SCAPA TAPE NORTH AMERICA | WINDSOR, Hartford, CT | Pass | State |
| 2020-09-01 | JEA | JACKSONVILLE, Duval, FL | Pass | State |
| 2020-09-01 | FLORIDA POWER & LIGHT (PMR) | INDIANTOWN, Martin, FL | Pass | State |
| 2020-09-01 | CITGO PETROLEUM CORPORATION | NICEVILLE, Okaloosa, FL | Pass | State |
| 2020-09-01 | RTX CORPORATION | JUPITER, Palm Beach, FL | Pass | State |
| 2020-09-01 | RTX CORPORATION | JUPITER, Palm Beach, FL | Pass | State |
| 2020-09-01 | SEMINOLE ELECTRIC COOPERATIVE, INC. | PALATKA, Putnam, FL | Pass | State |
| 2020-09-01 | FLINT EMC - KOHLS | MACON, Bibb, GA | Pass | State |
| 2020-09-01 | FLINT EMC - KOHLS | MACON, Bibb, GA | Pass | State |
| 2020-09-01 | WALMART SUPER STORE #3750 | WARNER ROBINS, Houston, GA | Pass | State |
| 2020-09-01 | MURPHY-BROWN LLC | ALGONA, Kossuth, IA | Pass | State |
| 2020-09-01 | PRESTAGE FOODS OF IOWA, LLC | EAGLE GROVE, Wright, IA | Pass | State |
| 2020-09-01 | CLEARWATER PAPER CORP-PPD | LEWISTON, Nez Perce, ID | Pass | State |
| 2020-09-01 | CLEARWATER PAPER CORP-PPD | LEWISTON, Nez Perce, ID | Pass | State |
| 2020-09-01 | KNIFE RIVER CORP - MTN WEST 00533 | BOISE, Ada, ID | Fail | State |
| 2020-09-01 | OMNISOURCE LLC | FORT WAYNE, Allen, IN | Pass | State |
| 2020-09-01 | OMNISOURCE LLC | FORT WAYNE, Allen, IN | Pass | State |
| 2020-09-01 | OMNISOURCE LLC | FORT WAYNE, Allen, IN | Pass | State |
| 2020-09-01 | OMNISOURCE LLC | FORT WAYNE, Allen, IN | Pass | State |
| 2020-09-01 | OMNISOURCE LLC | FORT WAYNE, Allen, IN | Pass | State |
| 2020-09-01 | OMNISOURCE LLC | FORT WAYNE, Allen, IN | Pass | State |
| 2020-09-01 | OMNISOURCE LLC | FORT WAYNE, Allen, IN | Pass | State |
| 2020-09-01 | OMNISOURCE LLC | FORT WAYNE, Allen, IN | Pass | State |
| 2020-09-01 | MILESTONE CONTRACTORS LIMITED PARTNERSHIP | COLUMBUS, Bartholomew, IN | Pass | State |
| 2020-09-01 | MILESTONE CONTRACTORS LIMITED PARTNERSHIP | COLUMBUS, Bartholomew, IN | Pass | State |
| 2020-09-01 | MILESTONE CONTRACTORS LIMITED PARTNERSHIP | COLUMBUS, Bartholomew, IN | Pass | State |
| 2020-09-01 | MILESTONE CONTRACTORS LIMITED PARTNERSHIP | COLUMBUS, Bartholomew, IN | Pass | State |
| 2020-09-01 | ANR PIPELINE CO CELESTINE COMPRESSOR STATION | CELESTINE, Dubois, IN | Pass | State |
| 2020-09-01 | US STEEL CORPORATION GARY WORKS — high-priority violation on file | GARY, Lake, IN | Pass | State |
| 2020-09-01 | ECOBAT RESOURCES INDIANA LLC | INDIANAPOLIS, Marion, IN | Pass | State |
| 2020-09-01 | INTAT PRECISION INCORPORATED — high-priority violation on file | RUSHVILLE, Rush, IN | Pass | State |
| 2020-09-01 | INTAT PRECISION INCORPORATED — high-priority violation on file | RUSHVILLE, Rush, IN | Pass | State |
| 2020-09-01 | INTAT PRECISION INCORPORATED — high-priority violation on file | RUSHVILLE, Rush, IN | Pass | State |
| 2020-09-01 | INTAT PRECISION INCORPORATED — high-priority violation on file | RUSHVILLE, Rush, IN | Pass | State |
| 2020-09-01 | INTAT PRECISION INCORPORATED — high-priority violation on file | RUSHVILLE, Rush, IN | Pass | State |
| 2020-09-01 | INTAT PRECISION INCORPORATED — high-priority violation on file | RUSHVILLE, Rush, IN | Pass | State |
| 2020-09-01 | INTAT PRECISION INCORPORATED — high-priority violation on file | RUSHVILLE, Rush, IN | Pass | State |
| 2020-09-01 | INTAT PRECISION INCORPORATED — high-priority violation on file | RUSHVILLE, Rush, IN | Pass | State |
| 2020-09-01 | INTAT PRECISION INCORPORATED — high-priority violation on file | RUSHVILLE, Rush, IN | Pass | State |
| 2020-09-01 | LYONDELLBASELL ADVANCED POLYMERS INCORPORATED — high-priority violation on file | EVANSVILLE, Vanderburgh, IN | Pass | State |
| 2020-09-01 | LYONDELLBASELL ADVANCED POLYMERS INCORPORATED — high-priority violation on file | EVANSVILLE, Vanderburgh, IN | Pass | State |
| 2020-09-01 | LYONDELLBASELL ADVANCED POLYMERS INCORPORATED — high-priority violation on file | EVANSVILLE, Vanderburgh, IN | Pass | State |
| 2020-09-01 | LYONDELLBASELL ADVANCED POLYMERS INCORPORATED — high-priority violation on file | EVANSVILLE, Vanderburgh, IN | Pass | State |
| 2020-09-01 | GLASGOW REGIONAL LANDFILL | GLASGOW, Barren, KY | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in 2020. It lists 33,437 stack tests recorded nationwide in 2020.