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 |
|---|---|---|---|---|
| 2024-09-27 | CERTAINTEED LLC | MILAN, Erie, OH | Pass | State |
| 2024-09-27 | CERTAINTEED LLC | MILAN, Erie, OH | Pass | State |
| 2024-09-27 | CERTAINTEED LLC | MILAN, Erie, OH | Pass | State |
| 2024-09-27 | CERTAINTEED LLC | MILAN, Erie, OH | Pass | State |
| 2024-09-27 | CERTAINTEED LLC | MILAN, Erie, OH | Pass | State |
| 2024-09-27 | CERTAINTEED LLC | MILAN, Erie, OH | Pass | State |
| 2024-09-27 | CERTAINTEED LLC | MILAN, Erie, OH | Pass | State |
| 2024-09-27 | CERTAINTEED LLC | MILAN, Erie, OH | Pass | State |
| 2024-09-27 | CERTAINTEED LLC | MILAN, Erie, OH | Pass | State |
| 2024-09-27 | CERTAINTEED LLC | MILAN, Erie, OH | Pass | State |
| 2024-09-27 | CERTAINTEED LLC | MILAN, Erie, OH | Pass | State |
| 2024-09-27 | CERTAINTEED LLC | MILAN, Erie, OH | Pass | State |
| 2024-09-27 | CERTAINTEED LLC | MILAN, Erie, OH | Pass | State |
| 2024-09-27 | CERTAINTEED LLC | MILAN, Erie, OH | Pass | State |
| 2024-09-27 | CERTAINTEED LLC | MILAN, Erie, OH | Pass | State |
| 2024-09-27 | CERTAINTEED LLC | MILAN, Erie, OH | Pass | State |
| 2024-09-27 | CERTAINTEED LLC | MILAN, Erie, OH | Pass | State |
| 2024-09-27 | CERTAINTEED LLC | MILAN, Erie, OH | Pass | State |
| 2024-09-27 | CERTAINTEED LLC | MILAN, Erie, OH | Pass | State |
| 2024-09-27 | EOG RESOURCES, INC. - SPROUL 20-13-7 PAD | UHRICHSVILLE, Tuscarawas, OH | Pass | State |
| 2024-09-27 | EOG RESOURCES, INC. - SPROUL 20-13-7 PAD | UHRICHSVILLE, Tuscarawas, OH | Pass | State |
| 2024-09-27 | EOG RESOURCES, INC. - SPROUL 20-13-7 PAD | UHRICHSVILLE, Tuscarawas, OH | Pass | State |
| 2024-09-27 | EDDYSTONE MARINE & RAIL TERM CO/EDDYSTONE | EDDYSTONE, Delaware, PA | Pass | State |
| 2024-09-27 | INTERMOUNTAIN POWER SERVICE CORPORATION | DELTA, Millard, UT | Pass | State |
| 2024-09-27 | VANTAGE DATA CENTERS VA2 LLC | STERLING, Loudoun, VA | Pass | State |
| 2024-09-27 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2024-09-27 | NORTHWEST PIPELINE LLC- MOUNT VERNON | MOUNT VERNON, Skagit, WA | Pass | Local |
| 2024-09-27 | POST POINT WWTP SEWAGE SLUDGE INCINERATOR — high-priority violation on file | WHATCOM COUNTY, Whatcom, WA | Pass | Local |
| 2024-09-27 | WESTVACO FACILITY (WE SODA WYOMING LP) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2024-09-26 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2024-09-26 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2024-09-26 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2024-09-26 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2024-09-26 | LHOIST NORTH AMERICA OF ALABAMA, LLC | CALERA, Shelby, AL | Pass | State |
| 2024-09-26 | LHOIST NORTH AMERICA OF ALABAMA, LLC | CALERA, Shelby, AL | Pass | State |
| 2024-09-26 | ARKANSAS BIOENERGY, LLC - LEOLA | LEOLA, Grant, AR | Pass | State |
| 2024-09-26 | SOUTHWESTERN ELECTIRC POWER COMPANY - HARRY D. MATTISON POWER PLANT | TONTITOWN, Washington, AR | Pass | State |
| 2024-09-26 | ARKANSAS ELECTRIC COOPERATIVE CORPORATION - ELKINS CT PLANT | ELKINS, Washington, AR | Pass | State |
| 2024-09-26 | ARKANSAS ELECTRIC COOPERATIVE CORPORATION - ELKINS CT PLANT | ELKINS, Washington, AR | Pass | State |
| 2024-09-26 | ARKANSAS ELECTRIC COOPERATIVE CORPORATION - ELKINS CT PLANT | ELKINS, Washington, AR | N/A | State |
| 2024-09-26 | BLACKSTONE CONSTRUCTION LLC. | MENA, Polk, AR | Pass | State |
| 2024-09-26 | CHEVRON MINING INC | MOUNTAIN PASS, San Bernardino, CA | Pass | Local |
| 2024-09-26 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-26 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-26 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-26 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-26 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-26 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-26 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-26 | ELK CORPORATION OF TEXAS | SHAFTER, Kern, CA | Pass | Local |
| 2024-09-26 | ELK CORPORATION OF TEXAS | SHAFTER, Kern, CA | Pass | Local |
| 2024-09-26 | ELK CORPORATION OF TEXAS | SHAFTER, Kern, CA | Pass | Local |
| 2024-09-26 | ELK CORPORATION OF TEXAS | SHAFTER, Kern, CA | Pass | Local |
| 2024-09-26 | ELK CORPORATION OF TEXAS | SHAFTER, Kern, CA | Pass | Local |
| 2024-09-26 | ELK CORPORATION OF TEXAS | SHAFTER, Kern, CA | Pass | Local |
| 2024-09-26 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2024-09-26 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2024-09-26 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2024-09-26 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2024-09-26 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2024-09-26 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2024-09-26 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2024-09-26 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2024-09-26 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2024-09-26 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2024-09-26 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2024-09-26 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2024-09-26 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2024-09-26 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2024-09-26 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2024-09-26 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2024-09-26 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2024-09-26 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2024-09-26 | CONAGRA FOODS - FLORENCE ST BAKERY | DENVER, Denver, CO | Pass | State |
| 2024-09-26 | OMEGA PARTNERS JACKSONVILLE LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2024-09-26 | SCIENTIFIC GAMES, LLC | ALPHARETTA, Forsyth, GA | Pass | State |
| 2024-09-26 | SCIENTIFIC GAMES, LLC | ALPHARETTA, Forsyth, GA | Pass | State |
| 2024-09-26 | MECO - PALAAU | PALAAU, Maui, HI | Pass | State |
| 2024-09-26 | CITY OF POCAHONTAS | POCAHONTAS (HISTORICAL), Pocahontas, IA | Pass | State |
| 2024-09-26 | CITY OF POCAHONTAS | POCAHONTAS (HISTORICAL), Pocahontas, IA | Pass | State |
| 2024-09-26 | VERBIO — high-priority violation on file | NEVADA, Story, IA | Pass | State |
| 2024-09-26 | VERBIO — high-priority violation on file | NEVADA, Story, IA | Pass | State |
| 2024-09-26 | CENTRAL WASHINGTON ASPHALT 00438 | IDAHO, Undetermined, ID | Fail | State |
| 2024-09-26 | REED MINERALS, LLC | PAWNEE, Christian, IL | Pass | State |
| 2024-09-26 | KINDER MORGAN PHOENIX HOLDINGS INDIANAPOLIS TERMINAL | INDIANAPOLIS, Marion, IN | Pass | State |
| 2024-09-26 | KINDER MORGAN PHOENIX HOLDINGS INDIANAPOLIS TERMINAL | INDIANAPOLIS, Marion, IN | Pass | State |
| 2024-09-26 | KINDER MORGAN PHOENIX HOLDINGS INDIANAPOLIS TERMINAL | INDIANAPOLIS, Marion, IN | Pass | State |
| 2024-09-26 | KINDER MORGAN PHOENIX HOLDINGS INDIANAPOLIS TERMINAL | INDIANAPOLIS, Marion, IN | Pass | State |
| 2024-09-26 | KINDER MORGAN PHOENIX HOLDINGS INDIANAPOLIS TERMINAL | INDIANAPOLIS, Marion, IN | Pass | State |
| 2024-09-26 | KINDER MORGAN PHOENIX HOLDINGS INDIANAPOLIS TERMINAL | INDIANAPOLIS, Marion, IN | Pass | State |
| 2024-09-26 | KINDER MORGAN PHOENIX HOLDINGS INDIANAPOLIS TERMINAL | INDIANAPOLIS, Marion, IN | Pass | State |
| 2024-09-26 | KINDER MORGAN PHOENIX HOLDINGS INDIANAPOLIS TERMINAL | INDIANAPOLIS, Marion, IN | Pass | State |
| 2024-09-26 | POET BIOREFINING SHELBYVILLE LLC — high-priority violation on file | SHELBYVILLE, Shelby, IN | Pass | State |
| 2024-09-26 | POET BIOREFINING SHELBYVILLE LLC — high-priority violation on file | SHELBYVILLE, Shelby, IN | Pass | State |
| 2024-09-26 | POET BIOREFINING SHELBYVILLE LLC — high-priority violation on file | SHELBYVILLE, Shelby, IN | Pass | State |
| 2024-09-26 | POET BIOREFINING SHELBYVILLE LLC — high-priority violation on file | SHELBYVILLE, Shelby, IN | Pass | State |
| 2024-09-26 | POET BIOREFINING SHELBYVILLE LLC — high-priority violation on file | SHELBYVILLE, Shelby, IN | Pass | State |
| 2024-09-26 | POET BIOREFINING SHELBYVILLE LLC — high-priority violation on file | SHELBYVILLE, Shelby, IN | Pass | State |
| 2024-09-26 | POET BIOREFINING SHELBYVILLE LLC — high-priority violation on file | SHELBYVILLE, Shelby, IN | Pass | State |
| 2024-09-26 | POET BIOREFINING SHELBYVILLE LLC — high-priority violation on file | SHELBYVILLE, Shelby, IN | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.