EPA Air · stack tests by year
Air-emissions stack tests in 2021
- 35,950Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2021
- California 17,676
- Ohio 2,582
- Florida 1,540
- Indiana 1,495
- Oklahoma 1,318
- Georgia 1,189
- New Mexico 841
- Pennsylvania 788
- Alabama 621
- Mississippi 589
- Texas 574
- Arkansas 518
- Missouri 515
- Colorado 407
- Iowa 368
- Washington 334
- North Carolina 273
- Michigan 256
- Wisconsin 239
- Wyoming 235
- West Virginia 225
- Kentucky 222
- Delaware 222
- Montana 220
- South Carolina 217
- Minnesota 209
- Kansas 177
- Alaska 143
- Illinois 142
- Utah 140
- Nevada 136
- Virginia 131
- Nebraska 117
- Maine 110
- New Jersey 110
- New York 103
- Connecticut 99
- Tennessee 98
- North Dakota 93
- Arizona 93
- Idaho 90
- Louisiana 69
- Hawaii 64
- Maryland 56
- South Dakota 55
- District of Columbia 54
- New Hampshire 53
- Oregon 45
- Rhode Island 34
- Massachusetts 29
- Puerto Rico 19
- Vermont 17
Other years
Air-emissions stack tests recorded in 2021
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-05 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2021-11-05 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2021-11-05 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2021-11-05 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2021-11-05 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2021-11-05 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2021-11-05 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2021-11-05 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2021-11-05 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2021-11-05 | CLEARWATER PAPER CORP-PPD | LEWISTON, Nez Perce, ID | Pass | State |
| 2021-11-05 | CONMAT GROUP INC 00115 | HAYDEN, Kootenai, ID | Pass | State |
| 2021-11-05 | ERLER INDUSTRIES INC | NORTH VERNON, Jennings, IN | Pass | State |
| 2021-11-05 | CLOYCE CLARK EAST 19 & 30 PAD | COUSHATTA, Red River, LA | Pass | State |
| 2021-11-05 | GAYLORD ENTERTAINMENT COMPANY — high-priority violation on file | OXON HILL, Prince George's, MD | Pass | State |
| 2021-11-05 | DUNN ROADBUILDERS LLC, LAUREL PLANT | LAUREL, Jones, MS | Pass | State |
| 2021-11-05 | TRUNK C COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2021-11-05 | ENERGY TRANSFER COMPANY - DOMINATOR COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2021-11-05 | GOLDSTRIKE MINE | CARLIN, Eureka, NV | Fail | State |
| 2021-11-05 | ET GATHERING PROCESSING LLC / CARMEN COMPRESSOR STATION | CARMEN, Alfalfa, OK | Pass | State |
| 2021-11-05 | IRON HORSE MIDSTREAM LLC / IRON HORSE PROCESSING PLANT | AMBER, Grady, OK | Pass | State |
| 2021-11-05 | AMAZON DATA SERVICES, INC. IAD-100 IAD-101 IAD-102 IAD-103 | MANASSAS, Prince William, VA | Pass | State |
| 2021-11-05 | HF SINCLAIR PARCO REFINING LLC — high-priority violation on file | SINCLAIR, Carbon, WY | Pass | State |
| 2021-11-04 | GP CELLULOSE ALABAMA RIVER CELLULOSE LLC | PERDUE HILL, Monroe, AL | Pass | State |
| 2021-11-04 | GP CELLULOSE ALABAMA RIVER CELLULOSE LLC | PERDUE HILL, Monroe, AL | Fail | State |
| 2021-11-04 | DESOTO GATHERING COMPANY, LLC - PHILLIPS MOUNTAIN CPF-1 | CLEVELAND, Conway, AR | Pass | State |
| 2021-11-04 | DESOTO GATHERING COMPANY, LLC - PHILLIPS MOUNTAIN CPF-2 | CLEVELAND, Conway, AR | Pass | State |
| 2021-11-04 | RAZORBACK GATHERING COMPANY, LLC. - JUDSONIA CPF 1 | JUDSONIA, White, AR | Pass | State |
| 2021-11-04 | BLYTHE ENERGY LLC (FPL FLORIDA POWER) | BLYTHE, Riverside, CA | Pass | Local |
| 2021-11-04 | LUNDAY-THAGARD CO DBA WORLD OIL REFINING — high-priority violation on file | SOUTH GATE, Los Angeles, CA | Pass | Local |
| 2021-11-04 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-04 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-04 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-04 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2021-11-04 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.