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 |
|---|---|---|---|---|
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | MODESTO IRRIGATION DISTRICT | RIPON, San Joaquin, CA | Pass | Local |
| 2024-09-24 | CALPINE MID-ATLANTIC GENERATION-DELAWARE CITY ENERGY CENTER | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-09-24 | MAS GEORGIA LFG, LLC (RICHLAND CREEK) | BUFORD, Gwinnett, GA | Pass | State |
| 2024-09-24 | TROJAN BATTERY COMPANY, LLC | SANDERSVILLE, Washington, GA | Pass | State |
| 2024-09-24 | TROJAN BATTERY COMPANY, LLC | SANDERSVILLE, Washington, GA | Pass | State |
| 2024-09-24 | PAR - REFINERY — high-priority violation on file | KAPOLEI, Honolulu, HI | Pass | State |
| 2024-09-24 | CLEAR LAKE SANITARY DISTRICT | CLEAR LAKE, Cerro Gordo, IA | Pass | State |
| 2024-09-24 | WEST BEND MUNICIPAL POWER PLANT | WEST BEND, Palo Alto, IA | Pass | State |
| 2024-09-24 | GABLE CORP | COUNCIL BLUFFS, Pottawattamie, IA | Pass | State |
| 2024-09-24 | CEDAR RAPIDS/LINN COUNTY SWA SITE 2 | MARION, Linn, IA | Pass | Local |
| 2024-09-24 | U S DEPT OF ENERGY-INL | IDAHO, Undetermined, ID | Pass | State |
| 2024-09-24 | IDAHO FOREST GROUP LLC - GRANGEVILLE | GRANGEVILLE, Idaho, ID | Pass | State |
| 2024-09-24 | METAL TECHNOLOGIES AUBURN LLC — high-priority violation on file | AUBURN, DeKalb, IN | Pass | State |
| 2024-09-24 | CITGO PETROLEUM CORPORATION | EAST CHICAGO, Lake, IN | Pass | State |
| 2024-09-24 | TENNESSEE VALLEY AUTHORITY (TVA) - SHAWNEE FOSSIL PLANT | WEST PADUCAH, McCracken, KY | Pass | State |
| 2024-09-24 | CLARIANT CORPORATION LOUISVILLE SOUTH PLANT | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2024-09-24 | BRAZZELL LATERAL DEHYDRATION FACILITY | KINGSTON, De Soto, LA | Pass | State |
| 2024-09-24 | SHINTECH LOUISIANA LLC - SHINTECH PLAQUEMINE PLANT | PLAQUEMINE, Iberville, LA | Pass | State |
| 2024-09-24 | SHINTECH LOUISIANA LLC - SHINTECH PLAQUEMINE PLANT | PLAQUEMINE, Iberville, LA | Pass | State |
| 2024-09-24 | SHINTECH LOUISIANA LLC - SHINTECH PLAQUEMINE PLANT | PLAQUEMINE, Iberville, LA | Pass | State |
| 2024-09-24 | SHINTECH LOUISIANA LLC - SHINTECH PLAQUEMINE PLANT | PLAQUEMINE, Iberville, LA | Pass | State |
| 2024-09-24 | STANDARD BIOCARBON CORPORATION | ENFIELD, Penobscot, ME | Pass | State |
| 2024-09-24 | EES COKE BATTERY, LLC — high-priority violation on file | DETROIT, Wayne, MI | Pass | State |
| 2024-09-24 | VIKING GAS TRANSMISSION CO - FRAZEE COMPRESSOR STATION | FRAZEE, Otter Tail, MN | Pass | State |
| 2024-09-24 | HEARTLAND CORN PRODUCTS | WINTHROP, Sibley, MN | Pass | State |
| 2024-09-24 | GUARDIAN ENERGY LLC | JANESVILLE, Waseca, MN | Pass | State |
| 2024-09-24 | EVERGY-ST. JOSEPH LANDFILL GENERATING STATION | SAINT JOSEPH, Buchanan, MO | Pass | State |
| 2024-09-24 | WESTLAKE CHEMICALS AND VINYLS LLC | ABERDEEN, Monroe, MS | Pass | State |
| 2024-09-24 | WESTLAKE CHEMICALS AND VINYLS LLC | ABERDEEN, Monroe, MS | Pass | State |
| 2024-09-24 | CII METHANE MANAGEMENT IV, LLC | SMITHFIELD, Johnston, NC | Pass | State |
| 2024-09-24 | BLYTHE CONSTRUCTION, INC. - EAST PLANT | MATTHEWS, Mecklenburg, NC | Pass | Local |
| 2024-09-24 | CARGILL INC — high-priority violation on file | BLAIR, Washington, NE | Pass | State |
| 2024-09-24 | SAINT BARNABAS MEDICAL CENTER | LIVINGSTON, Essex, NJ | Pass | State |
| 2024-09-24 | OXY - CEDAR CANYON EAST COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2024-09-24 | VALDEZ BOOSTER STATION | LOVING, Eddy, NM | Pass | State |
| 2024-09-24 | VALDEZ BOOSTER STATION | LOVING, Eddy, NM | Pass | State |
| 2024-09-24 | WHITE CITY ROAD COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2024-09-24 | WHITE CITY ROAD COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2024-09-24 | EOG - QUAIL COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2024-09-24 | EOG - QUAIL COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2024-09-24 | EOG - QUAIL COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2024-09-24 | VICTORY COMPRESSOR STATION | LA HUERTA, Eddy, NM | Pass | State |
| 2024-09-24 | VICTORY COMPRESSOR STATION | LA HUERTA, Eddy, NM | Pass | State |
| 2024-09-24 | EOG - GOLDEN BEAR LOCAL GAS LIFT | JAL, Lea, NM | Pass | State |
| 2024-09-24 | EOG - GOLDEN BEAR LOCAL GAS LIFT | JAL, Lea, NM | Pass | State |
| 2024-09-24 | GENIE COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-09-24 | GENIE COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-09-24 | GRANITE CONSTRUCTION- ASPHALT | SPARKS, Washoe, NV | Pass | Local |
| 2024-09-24 | ALBANY COUNTY WATER PURIFICATION DISTRICT - SOUTH PLANT | ALBANY, Albany, NY | Pass | State |
| 2024-09-24 | NORTH ALBANY TERM - GLENMONT TERMINAL | GLENMONT, Albany, NY | Pass | State |
| 2024-09-24 | OSWEGO CO ENERGY RECOVERY FAC | VOLNEY, Oswego, NY | Pass | State |
| 2024-09-24 | BALL METAL BEVERAGE CONTAINER CORPORATION | FINDLAY, Hancock, OH | Pass | State |
| 2024-09-24 | ASCENT RESOURCES - UTICA LLC - DONNA LND GR | LONDONDERRY, TOWNSHIP OF, Guernsey, OH | Pass | State |
| 2024-09-24 | ASCENT RESOURCES - UTICA LLC - DONNA LND GR | LONDONDERRY, TOWNSHIP OF, Guernsey, OH | Pass | State |
| 2024-09-24 | ASCENT RESOURCES - UTICA LLC - DONNA LND GR | LONDONDERRY, TOWNSHIP OF, Guernsey, OH | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.