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 |
|---|---|---|---|---|
| 2024-09-18 | SENECA RESOURCES — high-priority violation on file | MCKITTRICK, Kern, CA | Pass | Local |
| 2024-09-18 | SENECA RESOURCES — high-priority violation on file | MCKITTRICK, Kern, CA | Pass | Local |
| 2024-09-18 | SENECA RESOURCES — high-priority violation on file | MCKITTRICK, Kern, CA | Pass | Local |
| 2024-09-18 | SENECA RESOURCES — high-priority violation on file | MCKITTRICK, Kern, CA | Pass | Local |
| 2024-09-18 | SENECA RESOURCES — high-priority violation on file | MCKITTRICK, Kern, CA | Pass | Local |
| 2024-09-18 | SENECA RESOURCES — high-priority violation on file | MCKITTRICK, Kern, CA | Pass | Local |
| 2024-09-18 | SENECA RESOURCES — high-priority violation on file | MCKITTRICK, Kern, CA | Pass | Local |
| 2024-09-18 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-18 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-18 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-18 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-09-18 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2024-09-18 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2024-09-18 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2024-09-18 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2024-09-18 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2024-09-18 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2024-09-18 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2024-09-18 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2024-09-18 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2024-09-18 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2024-09-18 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2024-09-18 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2024-09-18 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2024-09-18 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2024-09-18 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2024-09-18 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2024-09-18 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2024-09-18 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2024-09-18 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2024-09-18 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2024-09-18 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2024-09-18 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2024-09-18 | FOSTER FOOD PRODUCTS — high-priority violation on file | LIVINGSTON, Merced, CA | Pass | Local |
| 2024-09-18 | FOSTER FOOD PRODUCTS — high-priority violation on file | LIVINGSTON, Merced, CA | Pass | Local |
| 2024-09-18 | BUCKEYE TERMINALS LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-09-18 | BUCKEYE TERMINALS LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-09-18 | BUCKEYE TERMINALS LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-09-18 | BUCKEYE TERMINALS LLC | STOCKTON, San Joaquin, CA | Pass | Local |
| 2024-09-18 | EAST SHORE WATER POLL ABATEMENT FACILITY | NEW HAVEN, New Haven, CT | Pass | State |
| 2024-09-18 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-09-18 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-09-18 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-09-18 | DUKE ENERGY FLORIDA, LLC | CRYSTAL RIVER, Citrus, FL | Pass | State |
| 2024-09-18 | WHITE SPRINGS AGRICULTURAL CHEMICALS,INC | WHITE SPRINGS, Hamilton, FL | Pass | State |
| 2024-09-18 | WHITE SPRINGS AGRICULTURAL CHEMICALS,INC | WHITE SPRINGS, Hamilton, FL | Pass | State |
| 2024-09-18 | WHITE SPRINGS AGRICULTURAL CHEMICALS,INC | WHITE SPRINGS, Hamilton, FL | Pass | State |
| 2024-09-18 | WHITE SPRINGS AGRICULTURAL CHEMICALS,INC | WHITE SPRINGS, Hamilton, FL | Pass | State |
| 2024-09-18 | DART CONTAINER CORPORATION OF FLORIDA | PLANT CITY, Hillsborough, FL | Pass | State |
| 2024-09-18 | MOSAIC FERTILIZER LLC — high-priority violation on file | MULBERRY, Polk, FL | Pass | State |
| 2024-09-18 | INTERNATIONAL PAPER COMPANY - PORT WENTWORTH MILL | PORT WENTWORTH, Chatham, GA | Pass | State |
| 2024-09-18 | INTERNATIONAL PAPER COMPANY - PORT WENTWORTH MILL | PORT WENTWORTH, Chatham, GA | Pass | State |
| 2024-09-18 | INTERNATIONAL PAPER COMPANY - PORT WENTWORTH MILL | PORT WENTWORTH, Chatham, GA | Pass | State |
| 2024-09-18 | INTERNATIONAL PAPER COMPANY - PORT WENTWORTH MILL | PORT WENTWORTH, Chatham, GA | Pass | State |
| 2024-09-18 | INTERNATIONAL PAPER COMPANY - PORT WENTWORTH MILL | PORT WENTWORTH, Chatham, GA | Pass | State |
| 2024-09-18 | INTERNATIONAL PAPER COMPANY - PORT WENTWORTH MILL | PORT WENTWORTH, Chatham, GA | Pass | State |
| 2024-09-18 | INTERNATIONAL PAPER COMPANY - PORT WENTWORTH MILL | PORT WENTWORTH, Chatham, GA | Pass | State |
| 2024-09-18 | IDEAL PELLETS | OGLETHORPE, Macon, GA | Pass | State |
| 2024-09-18 | IDEAL PELLETS | OGLETHORPE, Macon, GA | Pass | State |
| 2024-09-18 | IDEAL PELLETS | OGLETHORPE, Macon, GA | Pass | State |
| 2024-09-18 | IDEAL PELLETS | OGLETHORPE, Macon, GA | Pass | State |
| 2024-09-18 | IDEAL PELLETS | OGLETHORPE, Macon, GA | Pass | State |
| 2024-09-18 | IDEAL PELLETS | OGLETHORPE, Macon, GA | Pass | State |
| 2024-09-18 | PAR - REFINERY — high-priority violation on file | KAPOLEI, Honolulu, HI | Pass | State |
| 2024-09-18 | CLOW VALVE COMPANY | OSKALOOSA, Mahaska, IA | Pass | State |
| 2024-09-18 | CLOW VALVE COMPANY | OSKALOOSA, Mahaska, IA | Pass | State |
| 2024-09-18 | IPL � MARSHALLTOWN GENERATING STATION | MARSHALLTOWN, Marshall, IA | Pass | State |
| 2024-09-18 | USDA-NATIONAL ANIMAL DISEASE CENTER & NATIONAL VETERINARY SERVICE LABORATORY | AMES, Story, IA | Pass | State |
| 2024-09-18 | ITAFOS CONDA LLC - TV FACILITY | SODA SPRINGS, Caribou, ID | Pass | State |
| 2024-09-18 | GRAIN PROCESSING CORPORATION — high-priority violation on file | WASHINGTON, Daviess, IN | Pass | State |
| 2024-09-18 | GRAIN PROCESSING CORPORATION — high-priority violation on file | WASHINGTON, Daviess, IN | Pass | State |
| 2024-09-18 | GRAIN PROCESSING CORPORATION — high-priority violation on file | WASHINGTON, Daviess, IN | Pass | State |
| 2024-09-18 | CITIZENS GAS JOHNSTOWN COMPRESSOR STATION | WORTHINGTON, Greene, IN | Pass | State |
| 2024-09-18 | CITIZENS GAS JOHNSTOWN COMPRESSOR STATION | WORTHINGTON, Greene, IN | Pass | State |
| 2024-09-18 | CHROMASOURCE INCORPORATED | COLUMBIA CITY, Whitley, IN | Pass | State |
| 2024-09-18 | CHROMASOURCE INCORPORATED | COLUMBIA CITY, Whitley, IN | Pass | State |
| 2024-09-18 | SFC GLOBAL SUPPLY CHAIN INC | FLORENCE, Boone, KY | Pass | State |
| 2024-09-18 | CF INDUSTRIES NITROGEN LLC - DONALDSONVILLE NITROGEN COMPLEX | DONALDSONVILLE, Ascension, LA | Pass | State |
| 2024-09-18 | TRIDENT | THREE FORKS, Gallatin, MT | Pass | State |
| 2024-09-18 | CHEMOURS COMPANY - FAYETTEVILLE WORKS | FAYETTEVILLE, Bladen, NC | Pending | State |
| 2024-09-18 | WHITE OAK LANDFILL | WAYNESVILLE, Haywood, NC | Pass | State |
| 2024-09-18 | TESORO REFINING & MARKETING COMPANY LLC - MARATHON MANDAN REFINERY - AQ | MANDAN, Morton, ND | Pass | State |
| 2024-09-18 | ONEOK ROCKIES MIDSTREAM, L.L.C. - STATELINE GAS PLANT - AQ | WILLISTON, Williams, ND | Pass | State |
| 2024-09-18 | KAAPA ETHANOL LLC | MINDEN, Kearney, NE | N/A | State |
| 2024-09-18 | ADM CORN PROCESSING — high-priority violation on file | COLUMBUS, Platte, NE | Fail | State |
| 2024-09-18 | ENVIRONMENTAL SOIL MANAGEMENT, INC. | LOUDON, Merrimack, NH | Pass | State |
| 2024-09-18 | PECOS COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2024-09-18 | PECOS COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2024-09-18 | JACKIE CENTRAL GATHERING FACILITY | MALAGA, Eddy, NM | Pass | State |
| 2024-09-18 | JACKIE CENTRAL GATHERING FACILITY | MALAGA, Eddy, NM | Pass | State |
| 2024-09-18 | ALAMO COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-09-18 | ALAMO COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-09-18 | BONNYMAN COMPRESSOR STATION | LOVING, Lea, NM | Pass | State |
| 2024-09-18 | KOKOSING MATERIALS INC - PLANT 526 | MARENGO, Morrow, OH | Pass | State |
| 2024-09-18 | KOKOSING MATERIALS INC - PLANT 526 | MARENGO, Morrow, OH | Pass | State |
| 2024-09-18 | RIDDELL SPORTS GROUP, INC. | NORTH RIDGEVILLE, Lorain, OH | Pass | State |
| 2024-09-18 | RIDDELL SPORTS GROUP, INC. | NORTH RIDGEVILLE, Lorain, OH | Pass | State |
| 2024-09-18 | RIDDELL SPORTS GROUP, INC. | NORTH RIDGEVILLE, Lorain, OH | Pass | State |
| 2024-09-18 | RIDDELL SPORTS GROUP, INC. | NORTH RIDGEVILLE, Lorain, OH | Pass | State |
| 2024-09-18 | RIDDELL SPORTS GROUP, INC. | NORTH RIDGEVILLE, Lorain, OH | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.