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 |
|---|---|---|---|---|
| 2024-11-12 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2024-11-12 | PACMOORE BY GLANBIA NUTRITIONALS | MOORESVILLE, Morgan, IN | Pass | State |
| 2024-11-12 | PACMOORE BY GLANBIA NUTRITIONALS | MOORESVILLE, Morgan, IN | Pass | State |
| 2024-11-12 | PACMOORE BY GLANBIA NUTRITIONALS | MOORESVILLE, Morgan, IN | Pass | State |
| 2024-11-12 | PACMOORE BY GLANBIA NUTRITIONALS | MOORESVILLE, Morgan, IN | Pass | State |
| 2024-11-12 | CARGILL INC SOYBEAN PROCESSING DIVISION | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2024-11-12 | CARGILL INC SOYBEAN PROCESSING DIVISION | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2024-11-12 | CARGILL INC SOYBEAN PROCESSING DIVISION | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2024-11-12 | CARGILL INC SOYBEAN PROCESSING DIVISION | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2024-11-12 | CARGILL INC SOYBEAN PROCESSING DIVISION | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2024-11-12 | CARGILL INC SOYBEAN PROCESSING DIVISION | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2024-11-12 | JOHNS MANVILLE INCORPORATED | RICHMOND, Wayne, IN | Pass | State |
| 2024-11-12 | JOHNS MANVILLE INCORPORATED | RICHMOND, Wayne, IN | Pass | State |
| 2024-11-12 | JOHNS MANVILLE INCORPORATED | RICHMOND, Wayne, IN | Pass | State |
| 2024-11-12 | WASTE NO ENERGY LLC | MONTICELLO, White, IN | Pass | State |
| 2024-11-12 | WASTE NO ENERGY LLC | MONTICELLO, White, IN | Pass | State |
| 2024-11-12 | WASTE NO ENERGY LLC | MONTICELLO, White, IN | Pass | State |
| 2024-11-12 | KANSAS STATE UNIVERSITY - MANHATTAN (AIR) | MANHATTAN, Riley, KS | Pass | State |
| 2024-11-12 | NUCOR STEEL BRANDENBURG | BRANDENBURG, Meade, KY | Pass | State |
| 2024-11-12 | MPLX TERMINALS, LLC - ALGONQUIN TERMINAL | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2024-11-12 | INDORAMA VENTURES OLEFINS LLC - WESTLAKE ETHYLENE PLANT | WESTLAKE, Calcasieu, LA | Pass | State |
| 2024-11-12 | U.S. COAST GUARD YARD - CURTIS BAY | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2024-11-12 | FLINT HILLS RESOURCES PINE BEND REFINERY | ROSEMOUNT, Dakota, MN | Pass | State |
| 2024-11-12 | XCEL ENERGY - SHERBURNE COUNTY GENERATING PLANT | BECKER, Sherburne, MN | Pass | State |
| 2024-11-12 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | PASCAGOULA, Jackson, MS | Pass | State |
| 2024-11-12 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | PASCAGOULA, Jackson, MS | Pass | State |
| 2024-11-12 | NUCOR STEEL JACKSON INC | FLOWOOD, Rankin, MS | Pass | State |
| 2024-11-12 | NUCOR STEEL JACKSON INC | FLOWOOD, Rankin, MS | Pass | State |
| 2024-11-12 | MAYMEAD MATERIALS, INC.- JEFFERSON PLANT | CRUMPLER, Ashe, NC | Pass | State |
| 2024-11-12 | EGGER - LEXINGTON PARTICLEBOARD PLANT — high-priority violation on file | LINWOOD, Davidson, NC | Pass | State |
| 2024-11-12 | NORTH CAROLINA STATE UNIVERSITY | RALEIGH, Wake, NC | Pass | State |
| 2024-11-12 | TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA | WATFORD CITY, McKenzie, ND | Pass | State |
| 2024-11-12 | NPPD GERALD GENTLEMAN STATION | SUTHERLAND, Lincoln, NE | Pass | State |
| 2024-11-12 | CARGILL INC — high-priority violation on file | BLAIR, Washington, NE | Pass | State |
| 2024-11-12 | RAIDER COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2024-11-12 | RAIDER COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2024-11-12 | MIYAMURA COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2024-11-12 | WILMA CENTRAL GATHERING FACILITY | MALAGA, Eddy, NM | Pass | State |
| 2024-11-12 | FULLER EAST MEGA BATTERY NO 1 | MALAGA, Eddy, NM | Pass | State |
| 2024-11-12 | EOG - NEPTUNE LOCALIZED GAS LIFT STATION | JAL, Lea, NM | Pass | State |
| 2024-11-12 | EOG - NEPTUNE LOCALIZED GAS LIFT STATION | JAL, Lea, NM | Pass | State |
| 2024-11-12 | SAINT GOBAIN PERFORMANCE PLASTICS | HOOSICK FALLS, Rensselaer, NY | Pass | State |
| 2024-11-12 | FAB 8 | MALTA, Saratoga, NY | Pass | State |
| 2024-11-12 | TGP COMPRESSOR STATION 245 | WINFIELD, Herkimer, NY | Pass | State |
| 2024-11-12 | WALLEYE POWER, LLC, BAY SHORE PLANT | OREGON, Lucas, OH | Pass | State |
| 2024-11-12 | WALLEYE POWER, LLC, BAY SHORE PLANT | OREGON, Lucas, OH | Pass | State |
| 2024-11-12 | ASCENT RESOURCES - UTICA LLC - PORTERFIELD WELL PAD | WASHINGTON, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2024-11-12 | ASCENT RESOURCES - UTICA LLC - PORTERFIELD WELL PAD | WASHINGTON, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2024-11-12 | ASCENT RESOURCES - UTICA LLC - PORTERFIELD WELL PAD | WASHINGTON, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2024-11-12 | ASCENT RESOURCES - UTICA LLC - EMERSYN RCH BL WELL PAD | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2024-11-12 | ASCENT RESOURCES - UTICA LLC - EMERSYN RCH BL WELL PAD | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2024-11-12 | ASCENT RESOURCES - UTICA LLC - EMERSYN RCH BL WELL PAD | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2024-11-12 | UNIVERSITY OF CINCINNATI | CINCINNATI, Hamilton, OH | Pass | State |
| 2024-11-12 | UNIVERSITY OF CINCINNATI | CINCINNATI, Hamilton, OH | Pass | State |
| 2024-11-12 | MILL CREEK WWTP | CINCINNATI, Hamilton, OH | Pass | State |
| 2024-11-12 | BCE MACH LLC / RED CLOUD 13 12N 8W PAD | EL RENO, Canadian, OK | Pass | State |
| 2024-11-12 | BCE MACH LLC / THIS GUY 5 12N 8W PAD | EL RENO, Canadian, OK | Pass | State |
| 2024-11-12 | BCE MACH LLC / BOO BEAR PAD | EL RENO, Canadian, OK | Pass | State |
| 2024-11-12 | COTERRA ENERGY OPERATING CO / GATZ WILLIAMS CENTRAL FACILITY | UNION CITY, Canadian, OK | Pass | State |
| 2024-11-12 | XTO ENERGY INC / BERWYN CDP COMPRESSOR STATION | ARDMORE, Carter, OK | Pass | State |
| 2024-11-12 | XTO ENERGY INC / BERWYN CDP COMPRESSOR STATION | ARDMORE, Carter, OK | Pass | State |
| 2024-11-12 | PEOPLES ELECTRIC COOP / MARKWEST | STUART, Pittsburg, OK | Pass | State |
| 2024-11-12 | PEOPLES ELECTRIC COOP / MARKWEST | STUART, Pittsburg, OK | Pass | State |
| 2024-11-12 | PONDEROSA GATHERING LLC / PONDEROSA COMPRESSOR STATION 1 | QUINTON, Pittsburg, OK | Pass | State |
| 2024-11-12 | PONDEROSA GATHERING LLC / PONDEROSA COMPRESSOR STATION 2 | QUINTON, Pittsburg, OK | Pass | State |
| 2024-11-12 | ET GATHERING PROCESSING LLC / BIG TREE COMPRESSOR STATION | REYDON, Roger Mills, OK | Pass | State |
| 2024-11-12 | TARGA PIPELINE MIDCONTINENT LLC / KETCHUM RANCH COMPRESSOR STATION | VELMA, Stephens, OK | Pass | State |
| 2024-11-12 | TARGA PIPELINE MIDCONTINENT LLC / KETCHUM RANCH COMPRESSOR STATION | VELMA, Stephens, OK | Pass | State |
| 2024-11-12 | EXCO APPLACHIA MIDSTREAM LLC/CONFER COMP STA | BURNSIDE TWP, Centre, PA | Pass | State |
| 2024-11-12 | NFG MIDSTREAM COVINGTON LLC/SHAW COMP STA | MAINESBURG, Tioga, PA | Fail | State |
| 2024-11-12 | EQM GATHERING OPCO LLC/MCINTOSH COMP STA | FINLEYVILLE, Washington, PA | Pass | State |
| 2024-11-12 | EXPAND OPERATING LLC/WOOSMAN PAD | NEW MILFORD, Susquehanna, PA | Pass | State |
| 2024-11-12 | BUSIK, J. PAD 1 | MONTROSE, Susquehanna, PA | Pass | State |
| 2024-11-12 | ADVANSIX (FORMERLY HONEYWELL/FRANKFORD PLT) — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2024-11-12 | RI DEPT.OF ADMINISTRATION,PASTORE CENTER | CRANSTON, Providence, RI | Fail | State |
| 2024-11-12 | VOLUNTEER PAVING LLC | HOLLADAY, Benton, TN | Pass | State |
| 2024-11-12 | VALERO REFINING COMPANY-TN LLC | MEMPHIS, Shelby, TN | Pass | Local |
| 2024-11-12 | WESTLAKE NATRIUM LLC, WESTLAKE NATRIUM | PROCTOR, Marshall, WV | Pass | State |
| 2024-11-12 | WAMSUTTER COMPRESSOR STATION (COLORADO INTERSTATE GAS) | WAMSUTTER, Sweetwater, WY | Pass | State |
| 2024-11-12 | WAMSUTTER COMPRESSOR STATION (COLORADO INTERSTATE GAS) | WAMSUTTER, Sweetwater, WY | Pass | State |
| 2024-11-12 | WAMSUTTER COMPRESSOR STATION (COLORADO INTERSTATE GAS) | WAMSUTTER, Sweetwater, WY | Pass | State |
| 2024-11-12 | WAMSUTTER COMPRESSOR STATION (COLORADO INTERSTATE GAS) | WAMSUTTER, Sweetwater, WY | Pass | State |
| 2024-11-11 | ET GATHERING & PROCESSING LLC. - EAST CHISMVILLE COMPRESSOR STATION | BOONEVILLE, Logan, AR | Pass | State |
| 2024-11-11 | AEROCRAFT HEAT TREATING CO INC | PARAMOUNT, Los Angeles, CA | Pass | Local |
| 2024-11-11 | FLORIDA POWER & LIGHT | FORT MYERS, Lee, FL | Pass | State |
| 2024-11-11 | CONCORDE/INTERSPACE BATTERY GEORGIA CORPORATION | AUSTELL, Cobb, GA | Pass | State |
| 2024-11-11 | CONCORDE/INTERSPACE BATTERY GEORGIA CORPORATION | AUSTELL, Cobb, GA | Pass | State |
| 2024-11-11 | HAMILTON CO COAL LLC | MCLEANSBORO, Hamilton, IL | Pass | State |
| 2024-11-11 | HAMILTON CO COAL LLC | MCLEANSBORO, Hamilton, IL | Pass | State |
| 2024-11-11 | HAMILTON CO COAL LLC | MCLEANSBORO, Hamilton, IL | Pass | State |
| 2024-11-11 | HAMILTON CO COAL LLC | MCLEANSBORO, Hamilton, IL | Pass | State |
| 2024-11-11 | HAMILTON CO COAL LLC | MCLEANSBORO, Hamilton, IL | Pass | State |
| 2024-11-11 | HAMILTON CO COAL LLC | MCLEANSBORO, Hamilton, IL | Pass | State |
| 2024-11-11 | HAMILTON CO COAL LLC | MCLEANSBORO, Hamilton, IL | Pass | State |
| 2024-11-11 | HAMILTON CO COAL LLC | MCLEANSBORO, Hamilton, IL | Pass | State |
| 2024-11-11 | HAMILTON CO COAL LLC | MCLEANSBORO, Hamilton, IL | Pass | State |
| 2024-11-11 | HAMILTON CO COAL LLC | MCLEANSBORO, Hamilton, IL | Pass | State |
| 2024-11-11 | HAMILTON CO COAL LLC | MCLEANSBORO, Hamilton, IL | Pass | State |
| 2024-11-11 | HAMILTON CO COAL LLC | MCLEANSBORO, Hamilton, IL | Pass | State |
| 2024-11-11 | HAMILTON CO COAL LLC | MCLEANSBORO, Hamilton, IL | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.