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 |
|---|---|---|---|---|
| 2020-09-04 | DOMINION ENERGY - ALTAVISTA POWER STATION | ALTAVISTA, Campbell, VA | Pass | State |
| 2020-09-04 | WESTROCK VIRGINIA LLC - COVINGTON | COVINGTON, Covington (city), VA | Pass | State |
| 2020-09-04 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2020-09-04 | UNITED GRAIN CORPORATION — high-priority violation on file | VANCOUVER, Clark, WA | Pass | Local |
| 2020-09-04 | UNITED GRAIN CORPORATION — high-priority violation on file | VANCOUVER, Clark, WA | Pass | Local |
| 2020-09-04 | HF SINCLAIR PARCO REFINING LLC — high-priority violation on file | SINCLAIR, Carbon, WY | Pass | State |
| 2020-09-04 | CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file | EVANSVILLE, Natrona, WY | Pass | State |
| 2020-09-03 | CITGO PETROLEUM CORP. | BIRMINGHAM, Jefferson, AL | Pass | Local |
| 2020-09-03 | HALLIBURTON ENERGY SERVICES, INC. - MAGNET COVE | MALVERN, Hot Spring, AR | Pass | State |
| 2020-09-03 | HALLIBURTON ENERGY SERVICES, INC. - MAGNET COVE | MALVERN, Hot Spring, AR | Pass | State |
| 2020-09-03 | HALLIBURTON ENERGY SERVICES, INC. - MAGNET COVE | MALVERN, Hot Spring, AR | Pass | State |
| 2020-09-03 | HALLIBURTON ENERGY SERVICES, INC. - MAGNET COVE | MALVERN, Hot Spring, AR | Pass | State |
| 2020-09-03 | HALLIBURTON ENERGY SERVICES, INC. - MAGNET COVE | MALVERN, Hot Spring, AR | Pass | State |
| 2020-09-03 | RAZORBACK GATHERING COMPANY, LLC. - JUDSONIA CPF 1 | JUDSONIA, White, AR | Pass | State |
| 2020-09-03 | RAZORBACK GATHERING COMPANY, LLC. - JUDSONIA CPF 1 | JUDSONIA, White, AR | Pass | State |
| 2020-09-03 | RAZORBACK GATHERING COMPANY, LLC. - JUDSONIA CPF 1 | JUDSONIA, White, AR | Pass | State |
| 2020-09-03 | EQUILON ENTER. LLC, SHELL OIL PROD. US | CARSON, Los Angeles, CA | Pass | Local |
| 2020-09-03 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-03 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-03 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-03 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-03 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-03 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-03 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-03 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-03 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-03 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-03 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-03 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-03 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-03 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-03 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-03 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-03 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-03 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-03 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-03 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-03 | CONAGRA FOODS (FORMERLY HUNT WESSON) | OAKDALE, Stanislaus, CA | Pass | Local |
| 2020-09-03 | CONAGRA FOODS (FORMERLY HUNT WESSON) | OAKDALE, Stanislaus, CA | Pass | Local |
| 2020-09-03 | CONAGRA FOODS (FORMERLY HUNT WESSON) | OAKDALE, Stanislaus, CA | Pass | Local |
| 2020-09-03 | CONAGRA FOODS (FORMERLY HUNT WESSON) | OAKDALE, Stanislaus, CA | Pass | Local |
| 2020-09-03 | CONAGRA FOODS (FORMERLY HUNT WESSON) | OAKDALE, Stanislaus, CA | Pass | Local |
| 2020-09-03 | CONAGRA FOODS (FORMERLY HUNT WESSON) | OAKDALE, Stanislaus, CA | Pass | Local |
| 2020-09-03 | CONAGRA FOODS (FORMERLY HUNT WESSON) | OAKDALE, Stanislaus, CA | Pass | Local |
| 2020-09-03 | CONAGRA FOODS (FORMERLY HUNT WESSON) | OAKDALE, Stanislaus, CA | Pass | Local |
| 2020-09-03 | CONAGRA FOODS (FORMERLY HUNT WESSON) | OAKDALE, Stanislaus, CA | Pass | Local |
| 2020-09-03 | CONAGRA FOODS (FORMERLY HUNT WESSON) | OAKDALE, Stanislaus, CA | Pass | Local |
| 2020-09-03 | CONAGRA FOODS (FORMERLY HUNT WESSON) | OAKDALE, Stanislaus, CA | Pass | Local |
| 2020-09-03 | CONAGRA FOODS (FORMERLY HUNT WESSON) | OAKDALE, Stanislaus, CA | Pass | Local |
| 2020-09-03 | CONAGRA FOODS (FORMERLY HUNT WESSON) | OAKDALE, Stanislaus, CA | Pass | Local |
| 2020-09-03 | CONAGRA FOODS (FORMERLY HUNT WESSON) | OAKDALE, Stanislaus, CA | Pass | Local |
| 2020-09-03 | CONAGRA FOODS (FORMERLY HUNT WESSON) | OAKDALE, Stanislaus, CA | Pass | Local |
| 2020-09-03 | JEA | JACKSONVILLE, Duval, FL | Pass | State |
| 2020-09-03 | FLORIDA POWER & LIGHT (PMR) | INDIANTOWN, Martin, FL | Pass | State |
| 2020-09-03 | GA POWER CO. - PLANT BOWEN | CARTERSVILLE, Bartow, GA | Pass | State |
| 2020-09-03 | GA POWER CO. - PLANT BOWEN | CARTERSVILLE, Bartow, GA | Pass | State |
| 2020-09-03 | DOLCO PACKAGING — high-priority violation on file | LAWRENCEVILLE, Gwinnett, GA | Pass | State |
| 2020-09-03 | MAS GEORGIA LFG, LLC (RICHLAND CREEK) | BUFORD, Gwinnett, GA | Pass | State |
| 2020-09-03 | MAS GEORGIA LFG, LLC (RICHLAND CREEK) | BUFORD, Gwinnett, GA | Pass | State |
| 2020-09-03 | MAS GEORGIA LFG, LLC (RICHLAND CREEK) | BUFORD, Gwinnett, GA | Pass | State |
| 2020-09-03 | GA POWER CO. - PLANT SCHERER | JULIETTE, Monroe, GA | Pass | State |
| 2020-09-03 | GA POWER CO. - PLANT SCHERER | JULIETTE, Monroe, GA | Pass | State |
| 2020-09-03 | GA POWER CO. - PLANT SCHERER | JULIETTE, Monroe, GA | Pass | State |
| 2020-09-03 | GA POWER CO. - PLANT SCHERER | JULIETTE, Monroe, GA | Pass | State |
| 2020-09-03 | PRATT PAPER (GA), LLC — high-priority violation on file | CONYERS, Rockdale, GA | Pass | State |
| 2020-09-03 | PRATT PAPER (GA), LLC — high-priority violation on file | CONYERS, Rockdale, GA | Pass | State |
| 2020-09-03 | HELCO - OULI | SOUTH KOHALA, Hawaii, HI | Pass | State |
| 2020-09-03 | CLEARWATER PAPER CORP-PPD | LEWISTON, Nez Perce, ID | Pass | State |
| 2020-09-03 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | ROANOKE, Huntington, IN | Pass | State |
| 2020-09-03 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | ROANOKE, Huntington, IN | Pass | State |
| 2020-09-03 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | ROANOKE, Huntington, IN | Pass | State |
| 2020-09-03 | GENERAL MOTORS LLC FORT WAYNE ASSEMBLY — high-priority violation on file | ROANOKE, Huntington, IN | Pass | State |
| 2020-09-03 | NORTHERN INDIANA PUBLIC SERVICE COMPANY LLC MICHIGAN CITY GE — high-priority violation on file | MICHIGAN CITY, LaPorte, IN | Pass | State |
| 2020-09-03 | NORTHERN INDIANA PUBLIC SERVICE COMPANY LLC MICHIGAN CITY GE — high-priority violation on file | MICHIGAN CITY, LaPorte, IN | Pass | State |
| 2020-09-03 | NORTHERN INDIANA PUBLIC SERVICE COMPANY LLC MICHIGAN CITY GE — high-priority violation on file | MICHIGAN CITY, LaPorte, IN | Pass | State |
| 2020-09-03 | INTAT PRECISION INCORPORATED — high-priority violation on file | RUSHVILLE, Rush, IN | Pass | State |
| 2020-09-03 | INTAT PRECISION INCORPORATED — high-priority violation on file | RUSHVILLE, Rush, IN | Pass | State |
| 2020-09-03 | INTAT PRECISION INCORPORATED — high-priority violation on file | RUSHVILLE, Rush, IN | Pass | State |
| 2020-09-03 | SUNFLOWER ELECTRIC - CIMARRON RIVER (AIR) | LIBERAL, Seward, KS | Pass | State |
| 2020-09-03 | APAC-KANSAS CITY SHEARS DIV (MASTER EQUIP LIST)(AIR) | LINCOLN, Lincoln, KS | Pass | State |
| 2020-09-03 | AGC FLAT GLASS N AMERICA INC — high-priority violation on file | RICHMOND, Madison, KY | Pass | State |
| 2020-09-03 | EUGENE ISLAND BLOCK 18 PRODUCTION FACILITY | PATTERSON, St. Mary, LA | Pass | State |
| 2020-09-03 | GENERAL DYNAMICS-OTS, INC. | SACO, York, ME | Pass | State |
| 2020-09-03 | ANR PIPELINE COMPANY - BRIDGMAN COMPRESSOR STATION | BRIDGMAN, Berrien, MI | Pass | State |
| 2020-09-03 | NUCOR STEEL JACKSON INC | FLOWOOD, Rankin, MS | Pass | State |
| 2020-09-03 | NUCOR STEEL JACKSON INC | FLOWOOD, Rankin, MS | Pass | State |
| 2020-09-03 | NUCOR STEEL JACKSON INC | FLOWOOD, Rankin, MS | Pass | State |
| 2020-09-03 | NUCOR STEEL JACKSON INC | FLOWOOD, Rankin, MS | Pass | State |
| 2020-09-03 | EDWARD CROSS TRAINING COMPLEX | PEMBROKE, Merrimack, NH | Fail | State |
| 2020-09-03 | NEWINGTON ENERGY | NEWINGTON, Rockingham, NH | Pass | State |
| 2020-09-03 | NEWINGTON ENERGY | NEWINGTON, Rockingham, NH | Pass | State |
| 2020-09-03 | ARDAGH GLASS PACKAGING | BRIDGETON, Cumberland, NJ | Pass | State |
| 2020-09-03 | SALADO DRAW COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2020-09-03 | SALADO DRAW COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2020-09-03 | GOLD QUARRY OPERATIONS — high-priority violation on file | CARLIN, Eureka, NV | Pass | State |
| 2020-09-03 | GOLD QUARRY OPERATIONS — high-priority violation on file | CARLIN, Eureka, NV | Pass | State |
| 2020-09-03 | KOKOSING MATERIALS INC PLANT 519 | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2020-09-03 | KOKOSING MATERIALS INC PLANT 519 | CLEVELAND, Cuyahoga, OH | Fail | State |
| 2020-09-03 | KOKOSING MATERIALS INC PLANT 519 | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2020-09-03 | KOKOSING MATERIALS INC PLANT 519 | CLEVELAND, Cuyahoga, OH | 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.