EPA Air · stack tests by year
Air-emissions stack tests in 2023
- 26,911Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2023
- California 7,676
- Ohio 2,800
- Florida 1,589
- Indiana 1,487
- Oklahoma 1,420
- New Mexico 1,087
- Georgia 1,057
- Pennsylvania 889
- Alabama 689
- Wyoming 670
- Mississippi 625
- Arkansas 602
- Iowa 453
- Colorado 436
- Texas 395
- Missouri 328
- North Carolina 302
- Washington 283
- Wisconsin 251
- Michigan 229
- Minnesota 228
- Delaware 224
- South Carolina 222
- West Virginia 218
- Kentucky 210
- Tennessee 200
- Utah 196
- Montana 177
- Virginia 170
- North Dakota 157
- Illinois 152
- Nebraska 152
- Alaska 140
- Nevada 127
- New York 123
- Maine 111
- Connecticut 108
- Arizona 102
- Louisiana 77
- Idaho 77
- Hawaii 72
- New Hampshire 58
- New Jersey 56
- South Dakota 54
- Maryland 49
- Kansas 45
- Oregon 44
- District of Columbia 36
- Massachusetts 27
- Rhode Island 20
- Puerto Rico 6
- Vermont 5
Other years
Air-emissions stack tests recorded in 2023
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2023-11-16 | DESOTO GATHERING COMPANY, LLC - TIGER CPF-1 | BRADFORD, White, AR | Pass | State |
| 2023-11-16 | DESOTO GATHERING COMPANY, LLC - TIGER CPF-1 | BRADFORD, White, AR | Pass | State |
| 2023-11-16 | SO CAL GAS CO | NORTHRIDGE, Los Angeles, CA | Pass | Local |
| 2023-11-16 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-11-16 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-11-16 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-11-16 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-11-16 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-11-16 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-11-16 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-11-16 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-11-16 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-11-16 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-11-16 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-16 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-16 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-16 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-16 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-16 | JR SIMPLOT CO — high-priority violation on file | LATHROP, San Joaquin, CA | Pass | Local |
| 2023-11-16 | JR SIMPLOT CO — high-priority violation on file | LATHROP, San Joaquin, CA | Pass | Local |
| 2023-11-16 | JR SIMPLOT CO — high-priority violation on file | LATHROP, San Joaquin, CA | Pass | Local |
| 2023-11-16 | JR SIMPLOT CO — high-priority violation on file | LATHROP, San Joaquin, CA | Pass | Local |
| 2023-11-16 | JR SIMPLOT CO — high-priority violation on file | LATHROP, San Joaquin, CA | Pass | Local |
| 2023-11-16 | JR SIMPLOT CO — high-priority violation on file | LATHROP, San Joaquin, CA | Pass | Local |
| 2023-11-16 | JR SIMPLOT CO — high-priority violation on file | LATHROP, San Joaquin, CA | Pass | Local |
| 2023-11-16 | JR SIMPLOT CO — high-priority violation on file | LATHROP, San Joaquin, CA | Pass | Local |
| 2023-11-16 | JR SIMPLOT CO — high-priority violation on file | LATHROP, San Joaquin, CA | Pass | Local |
| 2023-11-16 | JR SIMPLOT CO — high-priority violation on file | LATHROP, San Joaquin, CA | Pass | Local |
| 2023-11-16 | JR SIMPLOT CO — high-priority violation on file | LATHROP, San Joaquin, CA | Pass | Local |
| 2023-11-16 | JR SIMPLOT CO — high-priority violation on file | LATHROP, San Joaquin, CA | Pass | Local |
| 2023-11-16 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2023-11-16 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2023-11-16 | AIR LIQUIDE ADVANCED SEPARATIONS, NEWPORT PLANT | NEWPORT, New Castle, DE | Pass | State |
| 2023-11-16 | AIR LIQUIDE ADVANCED SEPARATIONS, NEWPORT PLANT | NEWPORT, New Castle, DE | Pass | State |
| 2023-11-16 | AIR LIQUIDE ADVANCED SEPARATIONS, NEWPORT PLANT | NEWPORT, New Castle, DE | Pass | State |
| 2023-11-16 | AIR LIQUIDE ADVANCED SEPARATIONS, NEWPORT PLANT | NEWPORT, New Castle, DE | Pass | State |
| 2023-11-16 | NEENAH FOUNDRY COMPANY | MEDLEY, Miami-Dade, FL | Pass | State |
| 2023-11-16 | AMERITERPENES, LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-11-16 | AMERITERPENES, LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-11-16 | SEMINOLE ELECTRIC COOPERATIVE, INC. | BOWLING GREEN, Hardee, FL | Pass | State |
| 2023-11-16 | GOLD BOND BUILDING PRODUCTS, LLC | GIBSONTON, Hillsborough, FL | Pass | State |
| 2023-11-16 | VALERO RENEWABLE FUELS LLC-CHARLES CITY | CHARLES CITY, Floyd, IA | Pass | State |
| 2023-11-16 | VALERO RENEWABLE FUELS LLC-CHARLES CITY | CHARLES CITY, Floyd, IA | Pass | State |
| 2023-11-16 | VALERO RENEWABLE FUELS LLC-CHARLES CITY | CHARLES CITY, Floyd, IA | Pass | State |
| 2023-11-16 | CLOW VALVE COMPANY | OSKALOOSA, Mahaska, IA | Pass | State |
| 2023-11-16 | MUELLER CO LLC | DECATUR, Macon, IL | Pass | State |
| 2023-11-16 | MUELLER CO LLC | DECATUR, Macon, IL | Pass | State |
| 2023-11-16 | MUELLER CO LLC | DECATUR, Macon, IL | Pass | State |
| 2023-11-16 | SUNOCO LLC HUNTINGTON TERMINAL | HUNTINGTON, Huntington, IN | Pass | State |
| 2023-11-16 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2023-11-16 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2023-11-16 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2023-11-16 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2023-11-16 | NOVELIS | BEREA, Madison, KY | Pass | State |
| 2023-11-16 | R.J. GRONDIN & SONS | SCARBOROUGH, Cumberland, ME | Pass | State |
| 2023-11-16 | WASTE MANAGEMENT DISPOSAL SERVICES OF MAINE, INC. — high-priority violation on file | NORRIDGEWOCK, Somerset, ME | Pass | State |
| 2023-11-16 | SOUTHERN MINNESOTA BEET SUGAR COOP | RENVILLE, Renville, MN | Pass | State |
| 2023-11-16 | TVA MAGNOLIA COMBINED CYCLE — high-priority violation on file | ASHLAND, Benton, MS | Pass | State |
| 2023-11-16 | GCF US HOLDINGS, LLC - COLUMBUS MILL — high-priority violation on file | COLUMBUS, Lowndes, MS | Pass | State |
| 2023-11-16 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2023-11-16 | WEST FRASER, INC. - ARMOUR LUMBER MILL | RIEGELWOOD, Columbus, NC | Pass | State |
| 2023-11-16 | FIRSTHEALTH OF THE CAROLINAS - MOORE REGIONAL HOSPITAL | PINEHURST, Moore, NC | Pass | State |
| 2023-11-16 | TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA | WATFORD CITY, McKenzie, ND | Pass | State |
| 2023-11-16 | FORTY NINER RIDGE UNIT 103H OIL MT BATTERY | LOVING, Eddy, NM | Pass | State |
| 2023-11-16 | OXBOW 26 25 W1EH FED COM 1H BATTERY | MALAGA, Eddy, NM | Pass | State |
| 2023-11-16 | CEMENT MANUFACTURING PLANT — high-priority violation on file | FERNLEY, Lyon, NV | Pass | State |
| 2023-11-16 | AMRIZE CEMENT INC. | PAULDING, Paulding, OH | Pass | State |
| 2023-11-16 | AMRIZE CEMENT INC. | PAULDING, Paulding, OH | Pass | State |
| 2023-11-16 | LUCAS COMPRESSOR STATION — high-priority violation on file | MONROE, TOWNSHIP OF, Richland, OH | Pass | State |
| 2023-11-16 | ONEOK FIELD SERVICES CO LLC / CEDAR LAKE COMPRESSOR STATION | CALUMET, Canadian, OK | Pass | State |
| 2023-11-16 | ONEOK FIELD SERVICES CO LLC / CEDAR LAKE COMPRESSOR STATION | CALUMET, Canadian, OK | Pass | State |
| 2023-11-16 | ONEOK FIELD SERVICES CO LLC / EAST PUTNAM COMPRESSOR STATION | PUTNAM, Dewey, OK | Pass | State |
| 2023-11-16 | ONEOK FIELD SERVICES CO LLC / EAST PUTNAM COMPRESSOR STATION | PUTNAM, Dewey, OK | Pass | State |
| 2023-11-16 | ONEOK FIELD SERVICES CO LLC / CHEROKEE COMPRESSOR STATION | ERIN SPRINGS, Garvin, OK | Pass | State |
| 2023-11-16 | ONEOK FIELD SERVICES CO LLC / CHEROKEE COMPRESSOR STATION | ERIN SPRINGS, Garvin, OK | Pass | State |
| 2023-11-16 | PEOPLES GAS CO LLC/KINTER STA | INDIANA, Indiana, PA | Pass | State |
| 2023-11-16 | YORK CNTY SOLID WASTE/YORK CNTY RESOURCE RECOVERY — high-priority violation on file | YORK, York, PA | Pass | State |
| 2023-11-16 | BUTLER COLOR PRESS/BUTLER | BUTLER, Butler, PA | Pass | State |
| 2023-11-16 | CAREY, R. PAD 1 | KINGSLEY, Susquehanna, PA | Pass | State |
| 2023-11-16 | RAG APPLE LLC PAD 1 — high-priority violation on file | MONTROSE, Susquehanna, PA | Pass | State |
| 2023-11-16 | JHHC PAD 1 — high-priority violation on file | MONTROSE, Susquehanna, PA | Pass | State |
| 2023-11-16 | PENNAY, G PAD 1 | KINGSLEY, Susquehanna, PA | Pass | State |
| 2023-11-16 | MICHELIN NORTH AMERICA INC - SPARTANBURG FACILITY (US3) | SPARTANBURG, Spartanburg, SC | Pass | State |
| 2023-11-16 | SONOCO METAL PACKAGING, LLC | DANDRIDGE, Jefferson, TN | Pass | State |
| 2023-11-16 | K&T SMOKE LLC | PALL MALL, Pickett, TN | Pass | State |
| 2023-11-16 | NYDIG DFM LLC - DUCHESNE DATA POWER STATION (FORMERLY CRUSOE ENERGY SYSTEMS) | UPALCO, Duchesne, UT | Pass | State |
| 2023-11-16 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2023-11-16 | MCKINLEY PAPER AND PACKAGING COMPANY — high-priority violation on file | COMBINED LOCKS, Ozaukee, WI | Pass | State |
| 2023-11-16 | GREDE - REEDSBURG LLC | REEDSBURG, Sawyer, WI | Pass | State |
| 2023-11-16 | APPALACHIAN POWER COMPANY, CEREDO | HUNTINGTON, Wayne, WV | Pass | State |
| 2023-11-16 | DAVE JOHNSTON (PACIFICORP) | GLENROCK, Converse, WY | Pass | State |
| 2023-11-15 | SOUTHERN NATURAL GAS | ANNISTON, Calhoun, AL | Pass | State |
| 2023-11-15 | WESTROCK COATED BOARD LLC-MAHRT MILL | PHENIX CITY, Russell, AL | Pass | State |
| 2023-11-15 | WESTROCK COATED BOARD LLC-MAHRT MILL | PHENIX CITY, Russell, AL | Pass | State |
| 2023-11-15 | SAINT GOBAIN CERAMIC MATERIALS — high-priority violation on file | HUNTSVILLE, Madison, AL | Pass | Local |
| 2023-11-15 | UNITED STATES STEEL CORPORATIONFAIRFIELD PIPE MIL | FAIRFIELD, Jefferson, AL | Pass | Local |
| 2023-11-15 | WESTERN FOODS DELTA REGION | PINE BLUFF, Jefferson, AR | Pass | State |
| 2023-11-15 | DESOTO GATHERING COMPANY, LLC - SW GREER LAKE CPF-2 | BEE BRANCH, Van Buren, AR | Pass | State |
| 2023-11-15 | DESOTO GATHERING COMPANY, LLC - SW GREER LAKE CPF-2 | BEE BRANCH, Van Buren, AR | Pass | State |
| 2023-11-15 | CEMEX LLC - BLACK MT. QUARRY | APPLE VALLEY, San Bernardino, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.