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 |
|---|---|---|---|---|
| 2023-08-23 | GEORGIA PACIFIC | PENNINGTON, Choctaw, AL | Pass | State |
| 2023-08-23 | ARAUCO NORTH AMERICA INCORPORATED | MALVERN, Hot Spring, AR | Pass | State |
| 2023-08-23 | ARAUCO NORTH AMERICA INCORPORATED | MALVERN, Hot Spring, AR | Pass | State |
| 2023-08-23 | LA COUNTY SANITATION DIST SCHOLL CANYON | GLENDALE, Los Angeles, CA | Pending | Local |
| 2023-08-23 | LA COUNTY SANITATION DIST SCHOLL CANYON | GLENDALE, Los Angeles, CA | Pass | Local |
| 2023-08-23 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-23 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-23 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-23 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-23 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-23 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-23 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-23 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-23 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-23 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-23 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-23 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-23 | SUNOPTA ASEPTIC — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-08-23 | SUNOPTA ASEPTIC — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-08-23 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | FORT LUPTON, Weld, CO | Pass | State |
| 2023-08-23 | WASHINGTON HOSPITAL CENTER — high-priority violation on file | WASHINGTON, District of Columbia, DC | Fail | State |
| 2023-08-23 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2023-08-23 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2023-08-23 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | N/A | State |
| 2023-08-23 | CENTER POINT TERMINAL J&W, LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-08-23 | TAMPA ELECTRIC COMPANY | TAMPA, Hillsborough, FL | Pass | State |
| 2023-08-23 | TAMPA ELECTRIC COMPANY | TAMPA, Hillsborough, FL | Pass | State |
| 2023-08-23 | FMPA & KISSIMMEE UTILITY AUTHORITY | INTERCESSION CITY, Osceola, FL | Pass | State |
| 2023-08-23 | FLORIDA POWER AND LIGHT COMPANY | LOXAHATCHEE, Palm Beach, FL | Pass | State |
| 2023-08-23 | FLORIDA POWER AND LIGHT COMPANY | LOXAHATCHEE, Palm Beach, FL | Pass | State |
| 2023-08-23 | COLONIAL TERMINALS OPERATING CO., LLC - AUSTELL TERMINAL | AUSTELL, Cobb, GA | Pass | State |
| 2023-08-23 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2023-08-23 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2023-08-23 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2023-08-23 | INTERNATIONAL PAPER - FLINT RIVER MILL | OGLETHORPE, Macon, GA | Pass | State |
| 2023-08-23 | GA POWER CO. - PLANT SCHERER | JULIETTE, Monroe, GA | Pass | State |
| 2023-08-23 | GA POWER CO. - PLANT SCHERER | JULIETTE, Monroe, GA | Pass | State |
| 2023-08-23 | CLEARWATER PAPER CORPORATION - AUGUSTA MILL — high-priority violation on file | AUGUSTA, Richmond, GA | Pass | State |
| 2023-08-23 | CLEARWATER PAPER CORPORATION - AUGUSTA MILL — high-priority violation on file | AUGUSTA, Richmond, GA | Pass | State |
| 2023-08-23 | CLEARWATER PAPER CORPORATION - AUGUSTA MILL — high-priority violation on file | AUGUSTA, Richmond, GA | Pass | State |
| 2023-08-23 | CLEARWATER PAPER CORPORATION - AUGUSTA MILL — high-priority violation on file | AUGUSTA, Richmond, GA | Pass | State |
| 2023-08-23 | AVISTA CORP | RATHDRUM, Kootenai, ID | Pending | State |
| 2023-08-23 | ADM MILLING COMPANY | BEECH GROVE, Marion, IN | Pass | State |
| 2023-08-23 | ADM MILLING COMPANY | BEECH GROVE, Marion, IN | Pass | State |
| 2023-08-23 | ADM MILLING COMPANY | BEECH GROVE, Marion, IN | Pass | State |
| 2023-08-23 | ECOBAT RESOURCES INDIANA LLC | INDIANAPOLIS, Marion, IN | Pass | State |
| 2023-08-23 | ECOBAT RESOURCES INDIANA LLC | INDIANAPOLIS, Marion, IN | Pass | State |
| 2023-08-23 | CRANE DIVISION NAVAL SURFACE WARFARE CENTER NSWC CRANE | CRANE, Martin, IN | Pass | State |
| 2023-08-23 | CRANE DIVISION NAVAL SURFACE WARFARE CENTER NSWC CRANE | CRANE, Martin, IN | Pass | State |
| 2023-08-23 | CRANE DIVISION NAVAL SURFACE WARFARE CENTER NSWC CRANE | CRANE, Martin, IN | Pass | State |
| 2023-08-23 | CRANE DIVISION NAVAL SURFACE WARFARE CENTER NSWC CRANE | CRANE, Martin, IN | Pass | State |
| 2023-08-23 | COUNTRYMARK REFINING AND LOGISTICS LLC | MOUNT VERNON, Posey, IN | Pass | State |
| 2023-08-23 | PRIMARY PRODUCTS INGREDIENTS AMERICAS, LLC | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2023-08-23 | MARATHON PETROLEUM CO LLC - CATLETTSBURG REFINING — high-priority violation on file | CATLETTSBURG, Boyd, KY | Pass | State |
| 2023-08-23 | MARATHON PETROLEUM CO LLC - CATLETTSBURG REFINING — high-priority violation on file | CATLETTSBURG, Boyd, KY | Pass | State |
| 2023-08-23 | TENNESSEE VALLEY AUTHORITY (TVA) - SHAWNEE FOSSIL PLANT | WEST PADUCAH, McCracken, KY | Pass | State |
| 2023-08-23 | FPL ENERGY WYMAN LLC | YARMOUTH, Cumberland, ME | Pass | State |
| 2023-08-23 | THERMA SEAL INC. | BRUCE TOWNSHIP, Macomb, MI | Pass | State |
| 2023-08-23 | CENTRAL SPECIALTIES INC - PLANT 5 | ALEXANDRIA, Douglas, MN | Pass | State |
| 2023-08-23 | BASF AGRICULTURAL SOLUTIONS US LLC | PALMYRA, Marion, MO | Pending | State |
| 2023-08-23 | ADM CORN PROCESSING — high-priority violation on file | COLUMBUS, Platte, NE | N/A | State |
| 2023-08-23 | POLYONICS, INC. | WESTMORELAND, Cheshire, NH | Pass | State |
| 2023-08-23 | GEORGIA-PACIFIC GYPSUM LLC | NEWINGTON, Rockingham, NH | Pass | State |
| 2023-08-23 | MAGNUM COMPRESSOR STATION — high-priority violation on file | CARLSBAD, Eddy, NM | Pass | State |
| 2023-08-23 | GENERAL KEHOE FACILITY | MALAGA, Eddy, NM | Pass | State |
| 2023-08-23 | WINGMAN AIRBOSS BATTERY | CARLSBAD, Eddy, NM | Pass | State |
| 2023-08-23 | LITTLE GIANTS 20 19 BATTERY | CARLSBAD, Eddy, NM | Pass | State |
| 2023-08-23 | NORTH VALMY GENERATING STATION | VALMY, Humboldt, NV | Pass | State |
| 2023-08-23 | EOG RESOURCES, INC. - MITCHELL 34-13-5 PAD | CARROLLTON, Carroll, OH | Pass | State |
| 2023-08-23 | EOG RESOURCES, INC. - MITCHELL 34-13-5 PAD | CARROLLTON, Carroll, OH | Pass | State |
| 2023-08-23 | EOG RESOURCES, INC. - MITCHELL 34-13-5 PAD | CARROLLTON, Carroll, OH | Pass | State |
| 2023-08-23 | WIN WASTE INNOVATIONS OF SENECA COUNTY | FOSTORIA, Seneca, OH | Pass | State |
| 2023-08-23 | EQM OLYMPUS MIDSTREAM, LLC - EMPIRE COMPRESSOR STATION | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-08-23 | EQM OLYMPUS MIDSTREAM, LLC - EMPIRE COMPRESSOR STATION | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-08-23 | EQM OLYMPUS MIDSTREAM, LLC - EMPIRE COMPRESSOR STATION | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-08-23 | AMG VANADIUM LLC | ZANESVILLE, Muskingum, OH | Pass | State |
| 2023-08-23 | AMG VANADIUM LLC | ZANESVILLE, Muskingum, OH | Pass | State |
| 2023-08-23 | AMG VANADIUM LLC | ZANESVILLE, Muskingum, OH | Pass | State |
| 2023-08-23 | AMG VANADIUM LLC | ZANESVILLE, Muskingum, OH | Pass | State |
| 2023-08-23 | AMG VANADIUM LLC | ZANESVILLE, Muskingum, OH | Pass | State |
| 2023-08-23 | AMG VANADIUM LLC | ZANESVILLE, Muskingum, OH | Fail | State |
| 2023-08-23 | HAVERHILL COKE COMPANY LLC — high-priority violation on file | FRANKLIN FURNACE, Scioto, OH | Pass | State |
| 2023-08-23 | VALIDUS ENERGY II MIDCON LLC / BLONDIE 1 6 7 18XHM | WATONGA, Blaine, OK | Pass | State |
| 2023-08-23 | VALIDUS ENERGY II MIDCON LLC / REBA JO 4 13 24XHM 5 13 24XHM | WATONGA, Blaine, OK | Pass | State |
| 2023-08-23 | CAMINO NATURAL RESOURCES LLC / CATTLEMANS 1107 5 32 1MH SCISSORTAIL 1 | UNION CITY, Canadian, OK | Pass | State |
| 2023-08-23 | XTO ENERGY INC / SKYTRAIN COMPRESSOR STATION | BAUM, Carter, OK | Pass | State |
| 2023-08-23 | TPL ARKOMA HOLDINGS LLC / COALGATE TUPELO STONEWALL GAS PLANT — high-priority violation on file | COALGATE, Coal, OK | Pass | State |
| 2023-08-23 | TPL ARKOMA HOLDINGS LLC / COALGATE TUPELO STONEWALL GAS PLANT — high-priority violation on file | COALGATE, Coal, OK | Pass | State |
| 2023-08-23 | ET GATHERING PROCESSING LLC / PURDY COMPRESSOR STATION | PURDY, Garvin, OK | Pass | State |
| 2023-08-23 | CAMINO NATURAL RESOURCES LLC / TRUMAN 28 4H 28 5H | CHICKASHA, Grady, OK | Pass | State |
| 2023-08-23 | CAMINO NATURAL RESOURCES LLC / BAR K 31 1H | NINNEKAH, Grady, OK | Pass | State |
| 2023-08-23 | CAMINO NATURAL RESOURCES LLC / JAMES GARNER 0905 36 25 1MH | BRIDGE CREEK, Grady, OK | Pass | State |
| 2023-08-23 | XTO ENERGY INC / CHAMPION COMPRESSOR STATION | MARIETTA, Love, OK | Pass | State |
| 2023-08-23 | ET GATHERING PROCESSING LLC / VANARKEL COMPRESSOR STATION | BRAY, Stephens, OK | Pass | State |
| 2023-08-23 | MONTOUR LLC/MONTOUR SES | WASHINGTONVILLE, Montour, PA | Pass | State |
| 2023-08-23 | TRANSCONTINENTAL GAS/SALLADASBURG STATION 520 | JERSEY SHORE, Lycoming, PA | Pass | State |
| 2023-08-23 | EQM GATHERING OPCO LLC/CALLISTO COMP STA | SYCAMORE, Greene, PA | Pass | State |
| 2023-08-23 | PAYNE, D. PAD 1 | NEW MILFORD, Susquehanna, PA | Fail | State |
| 2023-08-23 | HAUSER, J. PAD 1 — high-priority violation on file | SPRINGVILLE, Susquehanna, PA | Fail | State |
| 2023-08-23 | NUCOR STEEL - BERKELEY | HUGER, Berkeley, SC | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.