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 |
|---|---|---|---|---|
| 2023-12-15 | RAZORBACK GATHERING COMPANY, LLC. - JUDSONIA CPF 1 | JUDSONIA, White, AR | Pass | State |
| 2023-12-15 | RAZORBACK GATHERING COMPANY, LLC. - JUDSONIA CPF 1 | JUDSONIA, White, AR | Pass | State |
| 2023-12-15 | RIV CO WASTE MGMT BADLANDS LANDFILL | MORENO VALLEY, Riverside, CA | Pending | Local |
| 2023-12-15 | TST INC | FONTANA, San Bernardino, CA | Pass | Local |
| 2023-12-15 | CRESTWOOD WEST COAST LLC | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-15 | CRESTWOOD WEST COAST LLC | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-15 | CRESTWOOD WEST COAST LLC | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-15 | CRESTWOOD WEST COAST LLC | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-15 | CHEVRON USA — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-15 | CHEVRON USA — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-15 | CHEVRON USA — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-15 | CHEVRON USA — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-15 | CHEVRON USA — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-15 | CHEVRON USA — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-15 | CHEVRON USA — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-15 | FLORIDA POWER & LIGHT COMPANY | FORT LAUDERDALE, Broward, FL | Pass | State |
| 2023-12-15 | FLORIDA POWER & LIGHT COMPANY | FORT LAUDERDALE, Broward, FL | Pass | State |
| 2023-12-15 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2023-12-15 | HAMAKUA ENERGY | HONOKAA, Hawaii, HI | Pass | State |
| 2023-12-15 | PAR - REFINERY — high-priority violation on file | KAPOLEI, Honolulu, HI | Fail | State |
| 2023-12-15 | POET BIOREFINING IOWA FALLS, LLC — high-priority violation on file | IOWA FALLS, Hardin, IA | Pass | State |
| 2023-12-15 | POET BIOREFINING IOWA FALLS, LLC — high-priority violation on file | IOWA FALLS, Hardin, IA | Pass | State |
| 2023-12-15 | POET BIOREFINING IOWA FALLS, LLC — high-priority violation on file | IOWA FALLS, Hardin, IA | Pass | State |
| 2023-12-15 | POET BIOREFINING IOWA FALLS, LLC — high-priority violation on file | IOWA FALLS, Hardin, IA | Pass | State |
| 2023-12-15 | PREMIER LLC 00652 | EMMETT, Gem, ID | Pass | State |
| 2023-12-15 | INVENERGY NELSON LLC | ROCK FALLS, Lee, IL | Pass | State |
| 2023-12-15 | CLEVELAND-CLIFFS STEEL LLC | EAST CHICAGO, Lake, IN | Pass | State |
| 2023-12-15 | MONTPELIER GENERATING STATION LLC — high-priority violation on file | PONETO, Wells, IN | Pass | State |
| 2023-12-15 | MONTPELIER GENERATING STATION LLC — high-priority violation on file | PONETO, Wells, IN | Pass | State |
| 2023-12-15 | BIG RIVERS ELECTRIC CORP - DB WILSON STATION — high-priority violation on file | CENTERTOWN, Ohio, KY | Pass | State |
| 2023-12-15 | CAMERON LNG LLC - CAMERON LNG FACILITY — high-priority violation on file | HACKBERRY, Cameron, LA | Pass | State |
| 2023-12-15 | VALERO REFINING - NEW ORLEANS LLC - ST CHARLES REFINERY | NORCO, St. Charles, LA | Pass | State |
| 2023-12-15 | CALUMET MONTANA REFINING — high-priority violation on file | GREAT FALLS, Cascade, MT | Pass | State |
| 2023-12-15 | CALUMET MONTANA REFINING — high-priority violation on file | GREAT FALLS, Cascade, MT | Pass | State |
| 2023-12-15 | CALUMET MONTANA REFINING — high-priority violation on file | GREAT FALLS, Cascade, MT | Pass | State |
| 2023-12-15 | CALUMET MONTANA REFINING — high-priority violation on file | GREAT FALLS, Cascade, MT | Pass | State |
| 2023-12-15 | CALUMET MONTANA REFINING — high-priority violation on file | GREAT FALLS, Cascade, MT | Pass | State |
| 2023-12-15 | CALUMET MONTANA REFINING — high-priority violation on file | GREAT FALLS, Cascade, MT | Pass | State |
| 2023-12-15 | COLSTRIP ENERGY LTD PARTNERSHIP | COLSTRIP, Rosebud, MT | Pass | State |
| 2023-12-15 | COLSTRIP ENERGY LTD PARTNERSHIP | COLSTRIP, Rosebud, MT | Pass | State |
| 2023-12-15 | COLSTRIP ENERGY LTD PARTNERSHIP | COLSTRIP, Rosebud, MT | Pass | State |
| 2023-12-15 | COLSTRIP ENERGY LTD PARTNERSHIP | COLSTRIP, Rosebud, MT | Pass | State |
| 2023-12-15 | NPPD SHELDON STATION | HALLAM, Lancaster, NE | Pass | Local |
| 2023-12-15 | SUPREME COMPRESSOR STATION | MALAGA, Lea, NM | Pass | State |
| 2023-12-15 | SUPREME COMPRESSOR STATION | MALAGA, Lea, NM | Pass | State |
| 2023-12-15 | NYC-HH - KINGS COUNTY HOSPITAL CENTER | BROOKLYN, Kings, NY | Pass | State |
| 2023-12-15 | GREEN RIDGE RDF | NORTHUMBERLAND, Saratoga, NY | Pass | State |
| 2023-12-15 | WOLFSPEED - MOHAWK VALLEY FAB | MARCY, Oneida, NY | Pass | State |
| 2023-12-15 | INEOS PIGMENTS USA INC., ASHTABULA COMPLEX PLANT 1 | ASHTABULA, Ashtabula, OH | Pass | State |
| 2023-12-15 | CLEVELAND-CLIFFS STEEL CORPORATION — high-priority violation on file | MIDDLETOWN, Butler, OH | Fail | State |
| 2023-12-15 | COLUMBIA GAS TRANS CORP/FORKS TWP FAC EASTON CTA | EASTON, Northampton, PA | Pass | State |
| 2023-12-15 | GREYLOCK MIDSTREAM LLC/KUHL-SKIB COMP STA | JEFFERSON, Greene, PA | Pass | State |
| 2023-12-15 | REGENCY MARCELLUS GAS GATHERING LLC/ AUBURN STA | MESHOPPEN, Susquehanna, PA | Pass | State |
| 2023-12-15 | HENSLEY INDUSTRIES — high-priority violation on file | DALLAS, Dallas, TX | Pass | State |
| 2023-12-15 | HOLCIM TEXAS | MIDLOTHIAN, Ellis, TX | Pass | State |
| 2023-12-15 | BEAUMONT CHEMICAL PLANT | BEAUMONT, Jefferson, TX | Pass | State |
| 2023-12-15 | BEAUMONT CHEMICAL PLANT | BEAUMONT, Jefferson, TX | Pass | State |
| 2023-12-15 | BEAUMONT CHEMICAL PLANT | BEAUMONT, Jefferson, TX | Pass | State |
| 2023-12-15 | BEAUMONT CHEMICAL PLANT | BEAUMONT, Jefferson, TX | Pass | State |
| 2023-12-15 | BEAUMONT CHEMICAL PLANT | BEAUMONT, Jefferson, TX | Pass | State |
| 2023-12-15 | BEAUMONT CHEMICAL PLANT | BEAUMONT, Jefferson, TX | Pass | State |
| 2023-12-15 | BEAUMONT CHEMICAL PLANT | BEAUMONT, Jefferson, TX | Pass | State |
| 2023-12-15 | BEAUMONT CHEMICAL PLANT | BEAUMONT, Jefferson, TX | Pass | State |
| 2023-12-15 | BIG WEST OIL | NORTH SALT LAKE, Davis, UT | Pass | State |
| 2023-12-15 | KENNECOTT MAIN STACK, SMELTER AND | BINGHAM CANYON, Salt Lake, UT | Pass | State |
| 2023-12-15 | CENTRAL VALLEY WATER RECLAMATION | SALT LAKE CITY, Salt Lake, UT | Pass | State |
| 2023-12-15 | HAMPTON/NASA STEAM PLANT | HAMPTON, Hampton (city), VA | Pass | State |
| 2023-12-15 | ARMSTRONG WORLD INDUSTRIES, INC., MILLWOOD | MILLWOOD, Jackson, WV | Pass | State |
| 2023-12-14 | TARGA BADLANDS JUNCTION COMPRESSOR STATION | MCKENZIE COUNTY, McKenzie, ND | Pass | U.S. EPA |
| 2023-12-14 | TARGA BADLANDS JUNCTION COMPRESSOR STATION | MCKENZIE COUNTY, McKenzie, ND | Pass | U.S. EPA |
| 2023-12-14 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2023-12-14 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2023-12-14 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2023-12-14 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2023-12-14 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2023-12-14 | CMBIOMASS — high-priority violation on file | JACKSON, Clarke, AL | Pass | State |
| 2023-12-14 | HENRY BRICK COMPANY, INC. | SELMA, Dallas, AL | Pass | State |
| 2023-12-14 | HENRY BRICK COMPANY, INC. | SELMA, Dallas, AL | Pass | State |
| 2023-12-14 | DESOTO GATHERING COMPANY LLC - PIKE CPF-1 | HATTIEVILLE, Conway, AR | Pass | State |
| 2023-12-14 | WESTERN FOODS DELTA REGION | PINE BLUFF, Jefferson, AR | Pass | State |
| 2023-12-14 | ACT HOLDINGS, INC. | MOUNT PLEASANT, Izard, AR | Pass | State |
| 2023-12-14 | ACT HOLDINGS, INC. | MOUNT PLEASANT, Izard, AR | Pass | State |
| 2023-12-14 | LA CO. SANITATION DIST | CARSON, Los Angeles, CA | Pass | Local |
| 2023-12-14 | LA CO. SANITATION DIST | CARSON, Los Angeles, CA | Pass | Local |
| 2023-12-14 | LA CO. SANITATION DIST | CARSON, Los Angeles, CA | Pass | Local |
| 2023-12-14 | LA CO. SANITATION DIST | CARSON, Los Angeles, CA | Pass | Local |
| 2023-12-14 | LA CO. SANITATION DIST | CARSON, Los Angeles, CA | Pass | Local |
| 2023-12-14 | CHEVRON USA — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-14 | CHEVRON USA — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-14 | CHEVRON USA — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-14 | CHEVRON USA — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-14 | CHEVRON USA — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-14 | CHEVRON USA — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-14 | CHEVRON USA — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-14 | CHEVRON USA — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-14 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-14 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-14 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-14 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-14 | NYDIG DFM - GREGORY 0780 1-9H | WALDEN 11.2 MI. N OF, Jackson, CO | 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 and their stack tests in 2023. It lists 26,911 stack tests recorded nationwide in 2023.