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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register and their 2024 stack tests. Nationwide, 39,252 stack tests were recorded in 2024.