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 |
|---|---|---|---|---|
| 2023-08-25 | WESTROCK COATED BOARD LLC-MAHRT MILL | PHENIX CITY, Russell, AL | Pass | State |
| 2023-08-25 | DESOTO GATHERING COMPANY, LLC - NEW QUITMAN CPF-3 | QUITMAN, Cleburne, AR | Pass | State |
| 2023-08-25 | DESOTO GATHERING COMPANY, LLC - NEW QUITMAN CPF-2 | QUITMAN, Faulkner, AR | Pass | State |
| 2023-08-25 | USMC - YERMO LOGISTICS CNTR | BARSTOW, San Bernardino, CA | Pass | Local |
| 2023-08-25 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Fail | Local |
| 2023-08-25 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Fail | Local |
| 2023-08-25 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Fail | Local |
| 2023-08-25 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Fail | Local |
| 2023-08-25 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Fail | Local |
| 2023-08-25 | LOS GATOS TOMATO PRODUCTS | HURON, Fresno, CA | Fail | Local |
| 2023-08-25 | MIDDLETOWN POWER LLC | MIDDLETOWN, Middlesex, CT | Pass | State |
| 2023-08-25 | GA POWER CO. - PLANT SCHERER | JULIETTE, Monroe, GA | Pass | State |
| 2023-08-25 | GA POWER CO. - PLANT SCHERER | JULIETTE, Monroe, GA | Pass | State |
| 2023-08-25 | CLEARWATER PAPER CORPORATION - AUGUSTA MILL — high-priority violation on file | AUGUSTA, Richmond, GA | Pass | State |
| 2023-08-25 | KOOTENAI RENEWABLE ENERGY LLC - FIGHTING CREEK | COEUR D'ALENE, Kootenai, ID | Pass | State |
| 2023-08-25 | NORTHERN INDIANA PUBLIC SERVICE COMPANY LLC MICHIGAN CITY GE — high-priority violation on file | MICHIGAN CITY, LaPorte, IN | Pass | State |
| 2023-08-25 | NORTHERN INDIANA PUBLIC SERVICE COMPANY LLC MICHIGAN CITY GE — high-priority violation on file | MICHIGAN CITY, LaPorte, IN | Pass | State |
| 2023-08-25 | NORTHERN INDIANA PUBLIC SERVICE COMPANY LLC MICHIGAN CITY GE — high-priority violation on file | MICHIGAN CITY, LaPorte, IN | Pass | State |
| 2023-08-25 | NORTHERN INDIANA PUBLIC SERVICE COMPANY LLC MICHIGAN CITY GE — high-priority violation on file | MICHIGAN CITY, LaPorte, IN | Pass | State |
| 2023-08-25 | NORTHERN INDIANA PUBLIC SERVICE COMPANY LLC MICHIGAN CITY GE — high-priority violation on file | MICHIGAN CITY, LaPorte, IN | Pass | State |
| 2023-08-25 | NORTHERN INDIANA PUBLIC SERVICE COMPANY LLC MICHIGAN CITY GE — high-priority violation on file | MICHIGAN CITY, LaPorte, IN | Pass | State |
| 2023-08-25 | ADM MILLING COMPANY | BEECH GROVE, Marion, IN | Pass | State |
| 2023-08-25 | ADM MILLING COMPANY | BEECH GROVE, Marion, IN | Pass | State |
| 2023-08-25 | ADM MILLING COMPANY | BEECH GROVE, Marion, IN | Pass | State |
| 2023-08-25 | ADM MILLING COMPANY | BEECH GROVE, Marion, IN | Pass | State |
| 2023-08-25 | ILPEA INDUSTRIES INCORPORATED — high-priority violation on file | SCOTTSBURG, Scott, IN | Pass | State |
| 2023-08-25 | ILPEA INDUSTRIES INCORPORATED — high-priority violation on file | SCOTTSBURG, Scott, IN | Pass | State |
| 2023-08-25 | ILPEA INDUSTRIES INCORPORATED — high-priority violation on file | SCOTTSBURG, Scott, IN | Pass | State |
| 2023-08-25 | ILPEA INDUSTRIES INCORPORATED — high-priority violation on file | SCOTTSBURG, Scott, IN | Pass | State |
| 2023-08-25 | N. BORDER PIPELINE CO STA. 3 | CULBERTSON, Roosevelt, MT | Pass | State |
| 2023-08-25 | STARPET INC. — high-priority violation on file | ASHEBORO, Randolph, NC | Pass | State |
| 2023-08-25 | NOVANT HEALTH PRESBYTERIAN MEDICAL CENTER, INC. | CHARLOTTE, Mecklenburg, NC | Pass | Local |
| 2023-08-25 | GOLD QUARRY OPERATIONS — high-priority violation on file | CARLIN, Eureka, NV | Pass | State |
| 2023-08-25 | CAMINO NATURAL RESOURCES LLC / FIDDLE 1207 34 3 1WXH PRODUCTION FACIL | EL RENO, Canadian, OK | Pass | State |
| 2023-08-25 | TPL ARKOMA HOLDINGS LLC / ABLE COMPRESSOR STATION | COALGATE, Coal, OK | Pass | State |
| 2023-08-25 | SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file | MONACA, Beaver, PA | Pass | State |
| 2023-08-25 | ARCONIC US LLC | ALCOA, Blount, TN | Pass | State |
| 2023-08-25 | ARCONIC US LLC | ALCOA, Blount, TN | Pass | State |
| 2023-08-25 | MINASOLVE, LLC | MEMPHIS, Shelby, TN | Pass | Local |
| 2023-08-25 | WISE COUNTY POWER PLANT | POOLVILLE, Wise, TX | Pass | State |
| 2023-08-25 | CHEVRON USA | UTAH, Undetermined, UT | Pass | State |
| 2023-08-25 | S L WILLIAMSON COMPANY INC - RED HILL | NORTH GARDEN, Albemarle, VA | Pass | State |
| 2023-08-25 | PHILLIPS 66 | FERNDALE, Whatcom, WA | Pass | Local |
| 2023-08-25 | SIERRA PACIFIC INDUSTRIES - COGENERATION — high-priority violation on file | ABERDEEN, Grays Harbor, WA | Pass | Local |
| 2023-08-25 | CLARK PUBLIC UTILITIES / RIVER ROAD GENERATING PROJECT | VANCOUVER, Clark, WA | Pass | Local |
| 2023-08-24 | INTERNATIONAL PAPER COMPANY | PRATTVILLE, Autauga, AL | Pass | State |
| 2023-08-24 | INTERNATIONAL PAPER COMPANY | PRATTVILLE, Autauga, AL | Pass | State |
| 2023-08-24 | KRONOSPAN USA — high-priority violation on file | EASTABOGA, Calhoun, AL | Pass | State |
| 2023-08-24 | KRONOSPAN USA — high-priority violation on file | EASTABOGA, Calhoun, AL | Pass | State |
| 2023-08-24 | GEORGIA PACIFIC | PENNINGTON, Choctaw, AL | Pass | State |
| 2023-08-24 | ALABAMA POWER COMPANY | WILSONVILLE, Shelby, AL | Pass | State |
| 2023-08-24 | SOUTHWESTERN ELECTRIC POWER COMPANY D/B/A FLINT CREEK POWER PLANT | GENTRY, Benton, AR | Pass | State |
| 2023-08-24 | POTLATCHDELTIC MANUFACTURING LLC - WALDO LUMBER MILL | WALDO, Columbia, AR | Pass | State |
| 2023-08-24 | DESOTO GATHERING COMPANY, LLC - NEW QUITMAN CPF-1 | QUITMAN, Faulkner, AR | Pass | State |
| 2023-08-24 | DESOTO GATHERING COMPANY, LLC - NEW QUITMAN CPF-1 | QUITMAN, Faulkner, AR | Pass | State |
| 2023-08-24 | LION OIL COMPANY | EL DORADO, Union, AR | Pass | State |
| 2023-08-24 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-24 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-24 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-24 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-24 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-24 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-24 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-24 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-24 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-24 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-24 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-24 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-24 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-24 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-24 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-24 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-24 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-24 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-24 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-24 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-24 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-24 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-24 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-24 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-24 | SUNCOR ENERGY - DENVER REFINERY — high-priority violation on file | COMMERCE CITY, Adams, CO | Pass | State |
| 2023-08-24 | WASHINGTON HOSPITAL CENTER — high-priority violation on file | WASHINGTON, District of Columbia, DC | Pass | State |
| 2023-08-24 | WASHINGTON HOSPITAL CENTER — high-priority violation on file | WASHINGTON, District of Columbia, DC | Pass | State |
| 2023-08-24 | WASHINGTON HOSPITAL CENTER — high-priority violation on file | WASHINGTON, District of Columbia, DC | Fail | State |
| 2023-08-24 | INDIAN RIVER POWER LLC | MILLSBORO, Sussex, DE | Pass | State |
| 2023-08-24 | CENTER POINT TERMINAL J&W, LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-08-24 | CITGO PETROLEUM CORPORATION | TAMPA, Hillsborough, FL | Pass | State |
| 2023-08-24 | FMPA & KISSIMMEE UTILITY AUTHORITY | INTERCESSION CITY, Osceola, FL | Pass | State |
| 2023-08-24 | FLORIDA POWER AND LIGHT COMPANY | LOXAHATCHEE, Palm Beach, FL | Pass | State |
| 2023-08-24 | FLORIDA POWER AND LIGHT COMPANY | LOXAHATCHEE, Palm Beach, FL | Pass | State |
| 2023-08-24 | GEORGIA STONE PRODUCTS, LLC - CARNESVILLE QUARRY | CARNESVILLE, Franklin, GA | Pass | State |
| 2023-08-24 | GEORGIA STONE PRODUCTS, LLC - CARNESVILLE QUARRY | CARNESVILLE, Franklin, GA | Pass | State |
| 2023-08-24 | GEORGIA STONE PRODUCTS, LLC - CARNESVILLE QUARRY | CARNESVILLE, Franklin, GA | Pass | State |
| 2023-08-24 | GEORGIA STONE PRODUCTS, LLC - CARNESVILLE QUARRY | CARNESVILLE, Franklin, GA | Pass | State |
| 2023-08-24 | GEORGIA STONE PRODUCTS, LLC - CARNESVILLE QUARRY | CARNESVILLE, Franklin, GA | Pass | State |
| 2023-08-24 | GA POWER CO. - PLANT SCHERER | JULIETTE, Monroe, GA | Pass | State |
| 2023-08-24 | HELCO - KANOELEHUA HILL | HILO, Hawaii, HI | Pass | State |
| 2023-08-24 | SOUTHWEST IOWA RENEWABLE ENERGY — high-priority violation on file | COUNCIL BLUFFS, Pottawattamie, IA | Pass | State |
| 2023-08-24 | SOUTHWEST IOWA RENEWABLE ENERGY — high-priority violation on file | COUNCIL BLUFFS, Pottawattamie, IA | Pass | State |
| 2023-08-24 | MIDAMERICAN ENERGY CO PLEASANT HILL GDMEC | PLEASANT HILL, Polk, IA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.