EPA Air · stack tests by year
Air-emissions stack tests in 2023
- 26,911Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2023
- California 7,676
- Ohio 2,800
- Florida 1,589
- Indiana 1,487
- Oklahoma 1,420
- New Mexico 1,087
- Georgia 1,057
- Pennsylvania 889
- Alabama 689
- Wyoming 670
- Mississippi 625
- Arkansas 602
- Iowa 453
- Colorado 436
- Texas 395
- Missouri 328
- North Carolina 302
- Washington 283
- Wisconsin 251
- Michigan 229
- Minnesota 228
- Delaware 224
- South Carolina 222
- West Virginia 218
- Kentucky 210
- Tennessee 200
- Utah 196
- Montana 177
- Virginia 170
- North Dakota 157
- Illinois 152
- Nebraska 152
- Alaska 140
- Nevada 127
- New York 123
- Maine 111
- Connecticut 108
- Arizona 102
- Louisiana 77
- Idaho 77
- Hawaii 72
- New Hampshire 58
- New Jersey 56
- South Dakota 54
- Maryland 49
- Kansas 45
- Oregon 44
- District of Columbia 36
- Massachusetts 27
- Rhode Island 20
- Puerto Rico 6
- Vermont 5
Other years
Air-emissions stack tests recorded in 2023
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2023-11-30 | CPV FAIRVIEW LLC/FAIRVIEW ENERGY CTR — high-priority violation on file | JOHNSTOWN, Cambria, PA | Pass | State |
| 2023-11-30 | PA GEN ENERGY CO LLC/REED RUN STILL PAD A COMP STA — high-priority violation on file | SMETHPORT, McKean, PA | Pass | State |
| 2023-11-30 | CENTURY ALUMINUM OF SOUTH CAROLINA INC — high-priority violation on file | GOOSE CREEK, Berkeley, SC | Fail | State |
| 2023-11-30 | SANTEE COOPER WINYAH GENERATING STATION | GEORGETOWN, Georgetown, SC | Pass | State |
| 2023-11-30 | SANTEE COOPER WINYAH GENERATING STATION | GEORGETOWN, Georgetown, SC | Pass | State |
| 2023-11-30 | TENNESSEE OPERATIONS OF EASTMAN CHEMICAL COMPANY — high-priority violation on file | KINGSPORT, Sullivan, TN | Pass | State |
| 2023-11-30 | TENNESSEE OPERATIONS OF EASTMAN CHEMICAL COMPANY — high-priority violation on file | KINGSPORT, Sullivan, TN | Pass | State |
| 2023-11-30 | WORLDWISE PLASTICS LLC — high-priority violation on file | LEWISBURG, Marshall, TN | Pass | State |
| 2023-11-30 | MUSTANG STATION | DENVER CITY, Yoakum, TX | Pass | State |
| 2023-11-30 | MUSTANG STATION | DENVER CITY, Yoakum, TX | Pass | State |
| 2023-11-30 | MUSTANG STATION | DENVER CITY, Yoakum, TX | Pass | State |
| 2023-11-30 | CASCADES TISSUE GROUP - WI INC | EAU CLAIRE, Eau Claire, WI | Pass | State |
| 2023-11-30 | WESTLAKE NATRIUM LLC, WESTLAKE NATRIUM | PROCTOR, Marshall, WV | Pass | State |
| 2023-11-30 | PINEDALE COMPLEX (HARVEST MIDSTREAM COMPANY) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-11-30 | PINEDALE COMPLEX (HARVEST MIDSTREAM COMPANY) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-11-30 | PINEDALE COMPLEX (HARVEST MIDSTREAM COMPANY) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-11-30 | PINEDALE COMPLEX (HARVEST MIDSTREAM COMPANY) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-11-30 | PINEDALE COMPLEX (HARVEST MIDSTREAM COMPANY) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-11-30 | PINEDALE COMPLEX (HARVEST MIDSTREAM COMPANY) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-11-30 | PINEDALE COMPLEX (HARVEST MIDSTREAM COMPANY) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-11-30 | PINEDALE COMPLEX (HARVEST MIDSTREAM COMPANY) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-11-30 | PINEDALE COMPLEX (HARVEST MIDSTREAM COMPANY) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-11-30 | PINEDALE COMPLEX (HARVEST MIDSTREAM COMPANY) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-11-30 | PINEDALE COMPLEX (HARVEST MIDSTREAM COMPANY) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-11-30 | PINEDALE COMPLEX (HARVEST MIDSTREAM COMPANY) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-11-30 | PINEDALE COMPLEX (HARVEST MIDSTREAM COMPANY) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-11-30 | PINEDALE COMPLEX (HARVEST MIDSTREAM COMPANY) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-11-30 | PINEDALE COMPLEX (HARVEST MIDSTREAM COMPANY) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-11-30 | PINEDALE COMPLEX (HARVEST MIDSTREAM COMPANY) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2023-11-29 | TVA — high-priority violation on file | TUSCUMBIA, Colbert, AL | Pass | State |
| 2023-11-29 | USMC - AGCC 29 PALMS | TWENTYNINE PALMS, San Bernardino, CA | Pass | Local |
| 2023-11-29 | PASADENA CITY, DWP (EIS USE) | PASADENA, Los Angeles, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-29 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-29 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-29 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-29 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-29 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-29 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-29 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-29 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-29 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-29 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-29 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-29 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-29 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-29 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-29 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-29 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-29 | LA PALOMA GENERATING PLANT | MCKITTRICK, Kern, CA | Pass | Local |
| 2023-11-29 | OWN RESOURCES OPERATING - WHISPER C.S. | YUMA 8.3 MI. NE OF, Yuma, CO | Pass | State |
| 2023-11-29 | MARION COUNTY BOARD OF CO COMMISSIONERS | OCALA, Marion, FL | Pass | State |
| 2023-11-29 | MARION COUNTY BOARD OF CO COMMISSIONERS | OCALA, Marion, FL | Pass | State |
| 2023-11-29 | MARION COUNTY BOARD OF CO COMMISSIONERS | OCALA, Marion, FL | Pass | State |
| 2023-11-29 | MOSAIC FERTILIZER LLC — high-priority violation on file | MULBERRY, Polk, FL | Pass | State |
| 2023-11-29 | MOSAIC FERTILIZER LLC — high-priority violation on file | MULBERRY, Polk, FL | Pass | State |
| 2023-11-29 | MOSAIC FERTILIZER LLC — high-priority violation on file | MULBERRY, Polk, FL | Pass | State |
| 2023-11-29 | GEORGIA-PACIFIC PALATKA LLC — high-priority violation on file | PALATKA, Putnam, FL | Pass | State |
| 2023-11-29 | LANGBOARD - WILLACOOCHEE — high-priority violation on file | WILLACOOCHEE, Atkinson, GA | Pass | State |
| 2023-11-29 | GA POWER CO. - PLANT BOWEN | CARTERSVILLE, Bartow, GA | Pass | State |
| 2023-11-29 | IRVING CONSUMER PRODUCTS, INC. - MACON | MACON, Bibb, GA | Pass | State |
| 2023-11-29 | GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON | ATLANTA, Cobb, GA | Pass | State |
| 2023-11-29 | GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON | ATLANTA, Cobb, GA | Pass | State |
| 2023-11-29 | GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON | ATLANTA, Cobb, GA | Pass | State |
| 2023-11-29 | GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON | ATLANTA, Cobb, GA | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.