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 |
|---|---|---|---|---|
| 2024-12-03 | DCP MIDSTREAM | CODEN, Mobile, AL | Pass | State |
| 2024-12-03 | GP CELLULOSE ALABAMA RIVER CELLULOSE LLC | PERDUE HILL, Monroe, AL | Pass | State |
| 2024-12-03 | WESTROCK COATED BOARD LLC-MAHRT MILL | PHENIX CITY, Russell, AL | Pass | State |
| 2024-12-03 | INTERNATIONAL PAPER | PINE HILL, Wilcox, AL | Pass | State |
| 2024-12-03 | INTERNATIONAL PAPER | PINE HILL, Wilcox, AL | Pass | State |
| 2024-12-03 | INTERNATIONAL PAPER | PINE HILL, Wilcox, AL | Pass | State |
| 2024-12-03 | UNITED STATES STEEL CORPORATIONFAIRFIELD PIPE MIL | FAIRFIELD, Jefferson, AL | Pass | Local |
| 2024-12-03 | DESOTO GATHERING COMPANY, LLC - SOUTH RAINBOW CPF-4 | CENTER RIDGE, Conway, AR | Pass | State |
| 2024-12-03 | DESOTO GATHERING COMPANY, LLC - STURGEON CPF-3 | CENTER RIDGE, Conway, AR | Pass | State |
| 2024-12-03 | ARIZONA STATE UNIVERSITY TEMPE CAMPUS — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-12-03 | INTEL CORP - OCOTILLO CAMPUS — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2024-12-03 | LA CITY, DWP SCATTERGOOD GENERATING STN | PLAYA DEL REY, Los Angeles, CA | Pass | Local |
| 2024-12-03 | PLATTE RIVER POWER AUTHORITY - RAWHIDE | WELLINGTON 9.3 MI. N OF, Larimer, CO | Pass | State |
| 2024-12-03 | ALGONQUIN GAS TRANSMISSION, LLC - CROMWELL COMPRESSOR STATION | CROMWELL, Middlesex, CT | Pass | State |
| 2024-12-03 | MONTVILLE POWER LLC | CONNECTICUT, Undetermined, CT | Pass | State |
| 2024-12-03 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-12-03 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-12-03 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-12-03 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-12-03 | KRAFT HEINZ FOODS COMPANY | JACKSONVILLE, Duval, FL | Pass | State |
| 2024-12-03 | CEMEX CONSTRUCTION MATERIALS FLORIDA,LLC | BROOKSVILLE, Hernando, FL | Pass | State |
| 2024-12-03 | CEMEX CONSTRUCTION MATERIALS FLORIDA,LLC | BROOKSVILLE, Hernando, FL | Pass | State |
| 2024-12-03 | MOSAIC FERTILIZER, LLC | RIVERVIEW, Hillsborough, FL | Pass | State |
| 2024-12-03 | MOSAIC FERTILIZER, LLC | RIVERVIEW, Hillsborough, FL | Pass | State |
| 2024-12-03 | TPSI TERMINALS LLC | TAMPA, Hillsborough, FL | Pass | State |
| 2024-12-03 | JAMES HARDIE BUILDING PRODUCTS, INC. — high-priority violation on file | PLANT CITY, Hillsborough, FL | Pass | State |
| 2024-12-03 | OWENS CORNING INSULATING SYSTEMS, LLC | LAKELAND, Polk, FL | Pass | State |
| 2024-12-03 | SEMINOLE ELECTRIC COOPERATIVE, INC. | PALATKA, Putnam, FL | Pass | State |
| 2024-12-03 | CLEARWATER PAPER CORPORATION - AUGUSTA MILL — high-priority violation on file | AUGUSTA, Richmond, GA | Pass | State |
| 2024-12-03 | POET BIOREFINING - ARTHUR, LLC — high-priority violation on file | ARTHUR, Ida, IA | Pass | State |
| 2024-12-03 | VALERO RENEWABLE FUELS COMPANY. LLC D/B/A VALERO LAKOTA PLANT — high-priority violation on file | LAKOTA, Kossuth, IA | Pass | State |
| 2024-12-03 | VALERO RENEWABLE FUELS COMPANY. LLC D/B/A VALERO LAKOTA PLANT — high-priority violation on file | LAKOTA, Kossuth, IA | Pass | State |
| 2024-12-03 | CF INDUSTRIES NITROGEN LLC - PORT NEAL NITROGEN COMPLEX — high-priority violation on file | SERGEANT BLUFF, Woodbury, IA | Pass | State |
| 2024-12-03 | LAMB WESTON - AMERICAN FALLS | AMERICAN FALLS, Power, ID | Pass | State |
| 2024-12-03 | EQUISTAR CHEMICALS LP | MORRIS, Grundy, IL | Pass | State |
| 2024-12-03 | CARMEUSE LIME INCORPORATED — high-priority violation on file | GARY, Lake, IN | Pass | State |
| 2024-12-03 | CARMEUSE LIME INCORPORATED — high-priority violation on file | GARY, Lake, IN | Pass | State |
| 2024-12-03 | CARMEUSE LIME INCORPORATED — high-priority violation on file | GARY, Lake, IN | Pass | State |
| 2024-12-03 | CARMEUSE LIME INCORPORATED — high-priority violation on file | GARY, Lake, IN | Pass | State |
| 2024-12-03 | CARMEUSE LIME INCORPORATED — high-priority violation on file | GARY, Lake, IN | Pass | State |
| 2024-12-03 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2024-12-03 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2024-12-03 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2024-12-03 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2024-12-03 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2024-12-03 | LSC COMMUNICATIONS BOOK LLC — high-priority violation on file | CRAWFORDSVILLE, Montgomery, IN | Pass | State |
| 2024-12-03 | CHANUTE MUN. POWER PLANT #3 (AIR) | CHANUTE, Neosho, KS | Pass | State |
| 2024-12-03 | DAVIESS CO FISCAL COURT | OWENSBORO, Daviess, KY | Pass | State |
| 2024-12-03 | LOGAN ALUMINUM INC | RUSSELLVILLE, Logan, KY | Pass | State |
| 2024-12-03 | ND PAPER INC. | RUMFORD, Oxford, ME | Pass | State |
| 2024-12-03 | MET COUNCIL METROPOLITAN WATER RESOURCE RECOVERY FACILITY | SAINT PAUL, Ramsey, MN | Pass | State |
| 2024-12-03 | DULUTH ENERGY SYSTEMS | DULUTH, St. Louis, MN | Pass | State |
| 2024-12-03 | CAPITAL MATERIALS (PORT-0887) | PORTABLE, Undetermined, MO | Pass | State |
| 2024-12-03 | CAPITAL MATERIALS (PORT-0887) | PORTABLE, Undetermined, MO | Pass | State |
| 2024-12-03 | CAPITAL MATERIALS (PORT-0892) | PORTABLE, Cole, MO | Pass | State |
| 2024-12-03 | CAPITAL MATERIALS (PORT-0892) | PORTABLE, Cole, MO | Pass | State |
| 2024-12-03 | CAPITAL MATERIALS (PORT-0892) | PORTABLE, Cole, MO | Pass | State |
| 2024-12-03 | CAPITAL MATERIALS (PORT-0892) | PORTABLE, Cole, MO | Pass | State |
| 2024-12-03 | CAPITAL MATERIALS (PORT-0892) | PORTABLE, Cole, MO | Pass | State |
| 2024-12-03 | CAPITAL MATERIALS (PORT-0892) | PORTABLE, Cole, MO | Pass | State |
| 2024-12-03 | CAPITAL MATERIALS (PORT-0892) | PORTABLE, Cole, MO | Pass | State |
| 2024-12-03 | CAPITAL MATERIALS (PORT-0892) | PORTABLE, Cole, MO | Pass | State |
| 2024-12-03 | CAPITAL MATERIALS (PORT-0892) | PORTABLE, Cole, MO | Pass | State |
| 2024-12-03 | CAPITAL MATERIALS (PORT-0892) | PORTABLE, Cole, MO | Pass | State |
| 2024-12-03 | NORFOLK CRUSH LLC | NORFOLK, Madison, NE | Pass | State |
| 2024-12-03 | PAUL FACILITY | MALAGA, Eddy, NM | Pass | State |
| 2024-12-03 | BRONCO COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2024-12-03 | BRONCO COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2024-12-03 | GARRETT FED COM FACILITY | MALAGA, Eddy, NM | Pass | State |
| 2024-12-03 | EIDER COMPRESSOR STATION | MALAGA, Lea, NM | Pass | State |
| 2024-12-03 | EIDER COMPRESSOR STATION | MALAGA, Lea, NM | Pass | State |
| 2024-12-03 | WOOL HEAD CENTRAL TB | EUNICE, Lea, NM | Pass | State |
| 2024-12-03 | DAGGER STATE SWD | MONUMENT, Lea, NM | Pass | State |
| 2024-12-03 | MULVA MANHANDS C CTB | JAL, Lea, NM | Pass | State |
| 2024-12-03 | VANDELAY COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-12-03 | DOS EQUIS COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-12-03 | CRONUS COMPRESSOR STATION | MALAGA, Lea, NM | Pass | State |
| 2024-12-03 | INSTANTHEAT WOOD PELLETS INC | ADDISON, Steuben, NY | Pass | State |
| 2024-12-03 | EQM OLYMPUS MIDSTREAM, LLC - CATAPULT CS | MARTINS FERRY, Belmont, OH | Pass | State |
| 2024-12-03 | EQM OLYMPUS MIDSTREAM, LLC - CATAPULT CS | MARTINS FERRY, Belmont, OH | Pass | State |
| 2024-12-03 | EQM OLYMPUS MIDSTREAM, LLC - CATAPULT CS | MARTINS FERRY, Belmont, OH | Pass | State |
| 2024-12-03 | TRIAD HUNTER LLC - FORNI PAD | BENTON, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2024-12-03 | TRIAD HUNTER LLC - FORNI PAD | BENTON, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2024-12-03 | TRIAD HUNTER LLC - FORNI PAD | BENTON, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2024-12-03 | UNIVERSITY OF CINCINNATI | CINCINNATI, Hamilton, OH | Pass | State |
| 2024-12-03 | UNIVERSITY OF CINCINNATI | CINCINNATI, Hamilton, OH | Pass | State |
| 2024-12-03 | UNIVERSITY OF CINCINNATI | CINCINNATI, Hamilton, OH | Pass | State |
| 2024-12-03 | UNIVERSITY OF CINCINNATI | CINCINNATI, Hamilton, OH | Pass | State |
| 2024-12-03 | DCP OPERATING CO LP / CANTON BOOSTER | CANTON, Blaine, OK | Pass | State |
| 2024-12-03 | FW MIDCON I LLC / KC 1H 36 | OKEENE, Blaine, OK | Pass | State |
| 2024-12-03 | BCE MACH LLC / THUMPER 28 16N 13W PAD | GREENFIELD, Blaine, OK | Pass | State |
| 2024-12-03 | DCP OPERATING CO LP / CUSTER BOOSTER STATION | STRONG CITY, Custer, OK | Pass | State |
| 2024-12-03 | CONTINENTAL RESOURCES / HINES 5 20 17XHW LANG 4 20 29 32XHW | PURDY, Garvin, OK | Pass | State |
| 2024-12-03 | CONTINENTAL RESOURCES / LYLE LAND 1 25H | RUSH SPRINGS, Grady, OK | Pass | State |
| 2024-12-03 | CONTINENTAL RESOURCES / GREEN ACRES 2 36 25XHW SHAW 2 1 12XHM | DIBBLE, Grady, OK | Pass | State |
| 2024-12-03 | ET GATHERING PROCESSING LLC / ROLL COMPRESSOR STATION | CRAWFORD, Roger Mills, OK | Pass | State |
| 2024-12-03 | HF SINCLAIR TULSA REFINING LLC / TULSA REFINERY EAST — high-priority violation on file | TULSA, Tulsa, OK | Pass | State |
| 2024-12-03 | INTERNATIONAL PAPER | SPRINGFIELD, Lane, OR | N/A | Local |
| 2024-12-03 | HEIDELBERG MATERIALS US CEMENT LLC/NAZARETH | NAZARETH, Northampton, PA | Pass | State |
| 2024-12-03 | PIN OAK MIDSTREAM LLC/JACKSON CTR COMP STA | JACKSON CENTER, Mercer, PA | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.