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 |
|---|---|---|---|---|
| 2024-08-27 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2024-08-27 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2024-08-27 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2024-08-27 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2024-08-27 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2024-08-27 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2024-08-27 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2024-08-27 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2024-08-27 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-08-27 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-08-27 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-08-27 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-08-27 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-08-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-27 | INGOMAR PACKING COMPANY | LOS BANOS, Merced, CA | Pass | Local |
| 2024-08-27 | PHILLIPS 66 PIPELINE - DENVER TERMINAL | COMMERCE CITY, Adams, CO | Pass | State |
| 2024-08-27 | SPARTECH, L.L.C. | STAMFORD, Fairfield, CT | Pass | State |
| 2024-08-27 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-08-27 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-08-27 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-08-27 | FLORIDA POWER & LIGHT COMPANY | LYNN HAVEN, Bay, FL | Pass | State |
| 2024-08-27 | FLORIDA POWER & LIGHT COMPANY | LYNN HAVEN, Bay, FL | Pass | State |
| 2024-08-27 | MI METALS, INC. | OLDSMAR, Pinellas, FL | Pass | State |
| 2024-08-27 | COLONIAL GROUP, INC. - SAVANNAH COMPLEX | SAVANNAH, Chatham, GA | Pass | State |
| 2024-08-27 | EMORY UNIVERSITY | ATLANTA, DeKalb, GA | Pass | State |
| 2024-08-27 | GEORGIA-PACIFIC CEDAR SPRINGS LLC | CEDAR SPRINGS, Early, GA | Pass | State |
| 2024-08-27 | GEORGIA-PACIFIC CEDAR SPRINGS LLC | CEDAR SPRINGS, Early, GA | N/A | State |
| 2024-08-27 | GEORGIA-PACIFIC CEDAR SPRINGS LLC | CEDAR SPRINGS, Early, GA | Pass | State |
| 2024-08-27 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2024-08-27 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2024-08-27 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2024-08-27 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2024-08-27 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2024-08-27 | HELCO - KEAHOLE — high-priority violation on file | KAILUA KONA, Hawaii, HI | Pass | State |
| 2024-08-27 | HELCO - WAIMEA | KAMUELA, Hawaii, HI | Pass | State |
| 2024-08-27 | POET BIOREFINING - JEWELL | JEWELL, Hamilton, IA | Pass | State |
| 2024-08-27 | GRAIN PROCESSING CORP — high-priority violation on file | MUSCATINE, Muscatine, IA | Pass | State |
| 2024-08-27 | TAMARACK MILL LLC | NEW MEADOWS, Adams, ID | Pass | State |
| 2024-08-27 | LAMB WESTON - AMERICAN FALLS | AMERICAN FALLS, Power, ID | Pass | State |
| 2024-08-27 | RIETH RILEY CONSTRUCTION COMPANY INCORPORATED | INDIANAPOLIS, Marion, IN | Pass | State |
| 2024-08-27 | RIETH RILEY CONSTRUCTION COMPANY INCORPORATED | INDIANAPOLIS, Marion, IN | Pass | State |
| 2024-08-27 | RIETH RILEY CONSTRUCTION COMPANY INCORPORATED | INDIANAPOLIS, Marion, IN | Pass | State |
| 2024-08-27 | RIETH RILEY CONSTRUCTION COMPANY INCORPORATED | INDIANAPOLIS, Marion, IN | Pass | State |
| 2024-08-27 | MARTIN MARIETTA MATERIALS - LOUISBURG QUARRY (AIR) | LOUISBURG, Miami, KS | Pass | State |
| 2024-08-27 | CLARIANT CORPORATION LOUISVILLE SOUTH PLANT | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2024-08-27 | VALERO LOUISVILLE TERMINAL | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2024-08-27 | VALERO LOUISVILLE TERMINAL | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2024-08-27 | THE DINGLEY PRESS, INC. | LISBON, Androscoggin, ME | Pass | State |
| 2024-08-27 | THE DINGLEY PRESS, INC. | LISBON, Androscoggin, ME | Pass | State |
| 2024-08-27 | ECO MAINE | PORTLAND, Cumberland, ME | Pass | State |
| 2024-08-27 | REGENERATE STRATTON LLC | STRATTON, Franklin, ME | Pass | State |
| 2024-08-27 | WYANDOTTE DEPT MUNICIPAL POWER PLANT — high-priority violation on file | WYANDOTTE, Wayne, MI | Pass | State |
| 2024-08-27 | CHS OILSEED PROCESSING | FAIRMONT, Martin, MN | Pass | State |
| 2024-08-27 | ST. PAUL ASPHALT PLANT #905 | SAINT PAUL, Ramsey, MN | Pass | State |
| 2024-08-27 | XCEL ENERGY - SHERBURNE COUNTY GENERATING PLANT | BECKER, Sherburne, MN | N/A | State |
| 2024-08-27 | TENNESSEE GAS PIPELINE COMPANY LLC, HEIDELBERG COMPRESSOR STATION NUMBER 538 | HEIDELBERG, Jasper, MS | Pass | State |
| 2024-08-27 | TENNESSEE GAS PIPELINE COMPANY LLC, HEIDELBERG COMPRESSOR STATION NUMBER 538 | HEIDELBERG, Jasper, MS | Pass | State |
| 2024-08-27 | INTERNATIONAL PAPER COMPANY, VICKSBURG MILL | REDWOOD, Warren, MS | Pass | State |
| 2024-08-27 | INTERNATIONAL PAPER COMPANY, VICKSBURG MILL | REDWOOD, Warren, MS | Pass | State |
| 2024-08-27 | INTERNATIONAL PAPER COMPANY, VICKSBURG MILL | REDWOOD, Warren, MS | Pass | State |
| 2024-08-27 | ROCKY MOUNTAIN LABORATORIES FACILITY | HAMILTON, Ravalli, MT | Pass | State |
| 2024-08-27 | OTTER TAIL POWER COMPANY - COYOTE STATION - AQ | BEULAH, Mercer, ND | Pass | State |
| 2024-08-27 | DAKOTA GASIFICATION COMPANY (DGC) - GREAT PLAINS SYNFUELS PLANT - AQ | BEULAH, Mercer, ND | Pass | State |
| 2024-08-27 | GOFFSTOWN TRANSFER STATION | GOFFSTOWN, Hillsborough, NH | Fail | State |
| 2024-08-27 | GOFFSTOWN TRANSFER STATION | GOFFSTOWN, Hillsborough, NH | Pass | State |
| 2024-08-27 | FULL HOUSE 30 FED BATTERY #1 | MALAGA, Eddy, NM | Pass | State |
| 2024-08-27 | TITAN TREATER PLANT NO1 | JAL, Lea, NM | Pass | State |
| 2024-08-27 | TITAN TREATER PLANT NO1 | JAL, Lea, NM | Pass | State |
| 2024-08-27 | EL CAMPEON CTB 17N | JAL, Lea, NM | Pass | State |
| 2024-08-27 | GOLDSTRIKE MINE | CARLIN, Eureka, NV | Pass | State |
| 2024-08-27 | ISLIP MACARTHUR RESOURCE RECOVERY FACILITY | RONKONKOMA, Suffolk, NY | Pass | State |
| 2024-08-27 | H H RAUH PAVING INC - ASPHALT PLANT | JAMESTOWN, Chautauqua, NY | Pass | State |
| 2024-08-27 | EOG RESOURCES, INC. - WAGNER CTB | UHRICHSVILLE, Tuscarawas, OH | Pass | State |
| 2024-08-27 | EOG RESOURCES, INC. - WAGNER CTB | UHRICHSVILLE, Tuscarawas, OH | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.