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.