EPA Air · stack tests by year
Air-emissions stack tests in 2024
- 39,252Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2024
- California 18,905
- Ohio 2,721
- Oklahoma 1,804
- Indiana 1,704
- New Mexico 1,428
- Florida 1,427
- Wyoming 1,285
- Georgia 1,104
- Pennsylvania 905
- Alabama 721
- Arkansas 569
- Missouri 539
- Iowa 464
- Mississippi 437
- Colorado 400
- Washington 338
- Texas 271
- Wisconsin 269
- North Carolina 254
- Minnesota 250
- West Virginia 230
- South Carolina 223
- Kentucky 218
- Delaware 185
- Montana 180
- Michigan 159
- Virginia 159
- Alaska 158
- Utah 157
- Tennessee 155
- Nebraska 150
- North Dakota 138
- Arizona 126
- Connecticut 122
- New York 115
- Maine 114
- Louisiana 113
- Illinois 109
- Idaho 91
- Nevada 88
- Hawaii 67
- Kansas 64
- New Hampshire 61
- South Dakota 59
- Maryland 58
- Massachusetts 52
- Oregon 35
- Rhode Island 29
- District of Columbia 25
- New Jersey 8
- Puerto Rico 5
- Vermont 4
Other years
Air-emissions stack tests recorded in 2024
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2024-12-20 | BREA PARENT 2007, LLC | BREA, Orange, CA | Pass | Local |
| 2024-12-20 | CITY OF COLTON | COLTON, San Bernardino, CA | Pass | Local |
| 2024-12-20 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-20 | KRAFT HEINZ FOODS COMPANY | JACKSONVILLE, Duval, FL | Pass | State |
| 2024-12-20 | ORLANDO UTILITIES COMMISSION | SAINT CLOUD, Osceola, FL | Pass | State |
| 2024-12-20 | ORLANDO UTILITIES COMMISSION | SAINT CLOUD, Osceola, FL | Pass | State |
| 2024-12-20 | ORLANDO UTILITIES COMMISSION | SAINT CLOUD, Osceola, FL | Pass | State |
| 2024-12-20 | CERTAINTEED GYPSUM PALATKA, LLC | PALATKA, Putnam, FL | Pass | State |
| 2024-12-20 | CERTAINTEED GYPSUM PALATKA, LLC | PALATKA, Putnam, FL | Pass | State |
| 2024-12-20 | SIGECO - FB CULLEY GENERATING STATION | NEWBURGH, Warrick, IN | Pass | State |
| 2024-12-20 | SHINTECH LOUISIANA LLC - SHINTECH PLAQUEMINE PLANT | PLAQUEMINE, Iberville, LA | Pass | State |
| 2024-12-20 | FLORACRAFT CORPORATION | LUDINGTON, Mason, MI | Pass | State |
| 2024-12-20 | ENERGY DEVELOPMENTS GRAND BLANC, LLC | GRAND BLANC, Genesee, MI | Pass | State |
| 2024-12-20 | AMEREN MISSOURI LABADIE ENERGY CENTER | LABADIE, Franklin, MO | Pass | State |
| 2024-12-20 | AMEREN MISSOURI LABADIE ENERGY CENTER | LABADIE, Franklin, MO | Pass | State |
| 2024-12-20 | AMEREN MISSOURI LABADIE ENERGY CENTER | LABADIE, Franklin, MO | Pass | State |
| 2024-12-20 | ENERSYS, INC. — high-priority violation on file | WARRENSBURG, Johnson, MO | Pass | State |
| 2024-12-20 | ENERSYS, INC. — high-priority violation on file | WARRENSBURG, Johnson, MO | Pass | State |
| 2024-12-20 | ENERSYS, INC. — high-priority violation on file | WARRENSBURG, Johnson, MO | Pass | State |
| 2024-12-20 | ENERSYS, INC. — high-priority violation on file | WARRENSBURG, Johnson, MO | Pass | State |
| 2024-12-20 | CHOCTAW GENERATION LIMITED PARTNERSHIP, RED HILLS GENERATION FACILITY | ACKERMAN, Choctaw, MS | Pass | State |
| 2024-12-20 | CHOCTAW GENERATION LIMITED PARTNERSHIP, RED HILLS GENERATION FACILITY | ACKERMAN, Choctaw, MS | Pass | State |
| 2024-12-20 | CALGON CARBON CORPORATION | BAY ST. LOUI, Hancock, MS | Pass | State |
| 2024-12-20 | COLSTRIP ENERGY LTD PARTNERSHIP | COLSTRIP, Rosebud, MT | Pass | State |
| 2024-12-20 | COLSTRIP ENERGY LTD PARTNERSHIP | COLSTRIP, Rosebud, MT | Pass | State |
| 2024-12-20 | COLSTRIP ENERGY LTD PARTNERSHIP | COLSTRIP, Rosebud, MT | Pass | State |
| 2024-12-20 | BAY MEADOWS COMPRESSOR STATION | WHITES CITY, Eddy, NM | Pass | State |
| 2024-12-20 | CABO WABO COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2024-12-20 | ASCENT RESOURCES - UTICA LLC - ELITE MTP JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2024-12-20 | ASCENT RESOURCES - UTICA LLC - ELITE MTP JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2024-12-20 | ASCENT RESOURCES - UTICA LLC - ELITE MTP JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2024-12-20 | PPG - TESLIN | BARBERTON, Summit, OH | Pass | State |
| 2024-12-20 | PPG - TESLIN | BARBERTON, Summit, OH | Pass | State |
| 2024-12-20 | TENNESSEE VALLEY AUTHORITY - JOHNSONVILLE COMBUSTION TURBINE PLANT | NEW JOHNSONVILLE, Humphreys, TN | Pass | State |
| 2024-12-20 | GENERAL MOTORS LLC SPRING HILL MANUFACTURING — high-priority violation on file | SPRING HILL, Maury, TN | Pass | State |
| 2024-12-20 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2024-12-19 | INTERNATIONAL PAPER COMPANY — high-priority violation on file | SELMA, Dallas, AL | Pass | State |
| 2024-12-19 | INTERNATIONAL PAPER COMPANY — high-priority violation on file | SELMA, Dallas, AL | Pass | State |
| 2024-12-19 | INTERNATIONAL PAPER COMPANY — high-priority violation on file | SELMA, Dallas, AL | Pass | State |
| 2024-12-19 | INTERNATIONAL PAPER COMPANY — high-priority violation on file | SELMA, Dallas, AL | Pass | State |
| 2024-12-19 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | SWEET WATER, Marengo, AL | Pass | State |
| 2024-12-19 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | SWEET WATER, Marengo, AL | Pass | State |
| 2024-12-19 | AMRIZE CEMENT, INC. | THEODORE, Mobile, AL | Pass | State |
| 2024-12-19 | LHOIST NORTH AMERICA OF ALABAMA, LLC | CALERA, Shelby, AL | Pass | State |
| 2024-12-19 | LHOIST NORTH AMERICA OF ALABAMA, LLC | CALERA, Shelby, AL | Pass | State |
| 2024-12-19 | BLACK HILLS ENERGY ARKANSAS, INC. - WOOLSEY COMPRESSOR STATION | OZARK, Franklin, AR | Pass | State |
| 2024-12-19 | BLACK HILLS ENERGY ARKANSAS, INC. - WOOLSEY COMPRESSOR STATION | OZARK, Franklin, AR | Pass | State |
| 2024-12-19 | ASARCO - HAYDEN SMELTER — high-priority violation on file | HAYDEN, Gila, AZ | Pass | State |
| 2024-12-19 | CHOLLA GENERATING STATION | JOSEPH CITY, Navajo, AZ | Pass | State |
| 2024-12-19 | LODI GAS STORAGE LLC | ACAMPO, San Joaquin, CA | Pass | Local |
| 2024-12-19 | LODI GAS STORAGE LLC | ACAMPO, San Joaquin, CA | Pass | Local |
| 2024-12-19 | LODI GAS STORAGE LLC | ACAMPO, San Joaquin, CA | Pass | Local |
| 2024-12-19 | LODI GAS STORAGE LLC | ACAMPO, San Joaquin, CA | Pass | Local |
| 2024-12-19 | LODI GAS STORAGE LLC | ACAMPO, San Joaquin, CA | Pass | Local |
| 2024-12-19 | LODI GAS STORAGE LLC | ACAMPO, San Joaquin, CA | Pass | Local |
| 2024-12-19 | HARTFORD STEAM - 60 COLUMBUS | HARTFORD, Hartford, CT | Pass | State |
| 2024-12-19 | TITAN FLORIDA LLC | MEDLEY, Miami-Dade, FL | Pass | State |
| 2024-12-19 | KRAFT HEINZ FOODS COMPANY | JACKSONVILLE, Duval, FL | Pass | State |
| 2024-12-19 | KRAFT HEINZ FOODS COMPANY | JACKSONVILLE, Duval, FL | Pass | State |
| 2024-12-19 | KRAFT HEINZ FOODS COMPANY | JACKSONVILLE, Duval, FL | Pass | State |
| 2024-12-19 | LAKELAND ELECTRIC | LAKELAND, Polk, FL | Pass | State |
| 2024-12-19 | LAKELAND ELECTRIC | LAKELAND, Polk, FL | Pass | State |
| 2024-12-19 | LAKELAND ELECTRIC | LAKELAND, Polk, FL | Pass | State |
| 2024-12-19 | LAKELAND ELECTRIC | LAKELAND, Polk, FL | Pass | State |
| 2024-12-19 | GEORGIA-PACIFIC CEDAR SPRINGS LLC | CEDAR SPRINGS, Early, GA | Pass | State |
| 2024-12-19 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2024-12-19 | ARCHER DANIELS MIDLAND COMPANY (ADM) — high-priority violation on file | VALDOSTA, Lowndes, GA | Pass | State |
| 2024-12-19 | ARCHER DANIELS MIDLAND COMPANY (ADM) — high-priority violation on file | VALDOSTA, Lowndes, GA | Pass | State |
| 2024-12-19 | POET BIOREFINING IOWA FALLS, LLC — high-priority violation on file | IOWA FALLS, Hardin, IA | Pass | State |
| 2024-12-19 | POET BIOREFINING IOWA FALLS, LLC — high-priority violation on file | IOWA FALLS, Hardin, IA | Pass | State |
| 2024-12-19 | INDIANOLA MUNICIPAL UTILITIES | INDIANOLA (HISTORICAL), Warren, IA | Pass | State |
| 2024-12-19 | INTAT PRECISION INCORPORATED — high-priority violation on file | RUSHVILLE, Rush, IN | Pass | State |
| 2024-12-19 | INTAT PRECISION INCORPORATED — high-priority violation on file | RUSHVILLE, Rush, IN | Pass | State |
| 2024-12-19 | ROCKLAND WOOD PRODUCTS | MONON, White, IN | Pass | State |
| 2024-12-19 | ROCKLAND WOOD PRODUCTS | MONON, White, IN | Pass | State |
| 2024-12-19 | WESTLAKE CHEMICAL OPCO LP - WESTLAKE PETROCHEMICAL COMPLEX | SULPHUR, Calcasieu, LA | Pass | State |
| 2024-12-19 | CITY OF AUGUSTA - HATCH HILL LANDFILL | AUGUSTA, Kennebec, ME | Pass | State |
| 2024-12-19 | DOW SILICONES CORPORATION | MIDLAND, Midland, MI | Pass | State |
| 2024-12-19 | LANSING BOARD OF WATER & LIGHT - ERICKSON STATION | LANSING, Eaton, MI | Pass | State |
| 2024-12-19 | GENERAL MOTORS LLC - ORION ASSEMBLY | LAKE ORION, Oakland, MI | Pass | State |
| 2024-12-19 | ENERGY DEVELOPMENTS BYRON CENTER, LLC | BYRON CENTER, Kent, MI | Pass | State |
| 2024-12-19 | XCEL ENERGY - MONTICELLO NUCLEAR GENERATING FACILITY | MONTICELLO, Wright, MN | Pass | State |
| 2024-12-19 | ROYAL OAK-SUMMERSVILLE PLANT | SUMMERSVILLE, Shannon, MO | Pass | State |
| 2024-12-19 | BAKKEN GATHERING PLANT | SIDNEY, Richland, MT | Pass | State |
| 2024-12-19 | CARGILL INC — high-priority violation on file | BLAIR, Washington, NE | Pass | State |
| 2024-12-19 | DARK STAR COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2024-12-19 | DARK STAR COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2024-12-19 | DARK STAR COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2024-12-19 | DARK STAR COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2024-12-19 | FRAC CAT COMPRESSOR STATION | LOVING, Lea, NM | Pass | State |
| 2024-12-19 | FRAC CAT COMPRESSOR STATION | LOVING, Lea, NM | Pass | State |
| 2024-12-19 | B&B LUMBER COMPANY, INC. | ANNSVILLE, Oneida, NY | Fail | State |
| 2024-12-19 | SENECA MEADOWS SWMF | SENECA FALLS, Seneca, NY | Pass | State |
| 2024-12-19 | GULFPORT APPALACHIA, LLC - SHIMBLE PAD | BELLAIRE, Belmont, OH | Pass | State |
| 2024-12-19 | GULFPORT APPALACHIA, LLC - SHIMBLE PAD | BELLAIRE, Belmont, OH | Pass | State |
| 2024-12-19 | GULFPORT APPALACHIA, LLC - SHIMBLE PAD | BELLAIRE, Belmont, OH | Pass | State |
| 2024-12-19 | ASCENT RESOURCES - UTICA LLC - PANG WHL BL WELL PAD | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2024-12-19 | ASCENT RESOURCES - UTICA LLC - PANG WHL BL WELL PAD | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2024-12-19 | ASCENT RESOURCES - UTICA LLC - PANG WHL BL WELL PAD | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2024-12-19 | MUSTANG GAS PRODUCTS LLC / BINGER GAS PLANT | BINGER, Caddo, OK | 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 2024 stack tests. Nationwide, 39,252 stack tests were recorded in 2024.