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 |
|---|---|---|---|---|
| 2023-10-16 | WASTE MANAGEMENT- BUFFALO RIDGE LANDFILL | KEENESBURG 5.1 MI. N OF, Weld, CO | N/A | State |
| 2023-10-16 | NEENAH FOUNDRY COMPANY | MEDLEY, Miami-Dade, FL | Pass | State |
| 2023-10-16 | NEENAH FOUNDRY COMPANY | MEDLEY, Miami-Dade, FL | Pass | State |
| 2023-10-16 | FLORIDA POWER & LIGHT | FORT MYERS, Lee, FL | Pass | State |
| 2023-10-16 | FLORIDA POWER & LIGHT | FORT MYERS, Lee, FL | Pass | State |
| 2023-10-16 | FLORIDA POWER & LIGHT | FORT MYERS, Lee, FL | Pass | State |
| 2023-10-16 | FLORIDA POWER & LIGHT | FORT MYERS, Lee, FL | Pass | State |
| 2023-10-16 | WASTE CONNECTIONS OF OSCEOLA COUNTY, LLC | SAINT CLOUD, Osceola, FL | Pass | State |
| 2023-10-16 | WASTE CONNECTIONS OF OSCEOLA COUNTY, LLC | SAINT CLOUD, Osceola, FL | Pass | State |
| 2023-10-16 | WASTE CONNECTIONS OF OSCEOLA COUNTY, LLC | SAINT CLOUD, Osceola, FL | Pass | State |
| 2023-10-16 | TOM LOWE ATLANTA-FULTON COUNTY WATER TREATMENT FACILITY | ALPHARETTA, Fulton, GA | Pass | State |
| 2023-10-16 | TOM LOWE ATLANTA-FULTON COUNTY WATER TREATMENT FACILITY | ALPHARETTA, Fulton, GA | Pass | State |
| 2023-10-16 | UNIVERSITY OF IOWA | IOWA CITY, Johnson, IA | Pass | State |
| 2023-10-16 | UNIVERSITY OF IOWA | IOWA CITY, Johnson, IA | Pass | State |
| 2023-10-16 | CEMSTONE NONMETALLIC | MENDOTA HEIGHTS, Dakota, MN | Pass | State |
| 2023-10-16 | ROXUL USA INC | BYHALIA, Marshall, MS | Pass | State |
| 2023-10-16 | ROXUL USA INC | BYHALIA, Marshall, MS | Pass | State |
| 2023-10-16 | ROXUL USA INC | BYHALIA, Marshall, MS | Pass | State |
| 2023-10-16 | HILAND PARTNERS HOLDINGS LLC - WATFORD CITY GAS PLANT - AQ | ALEXANDER, McKenzie, ND | Pass | State |
| 2023-10-16 | TIGER 14 FACILITY — high-priority violation on file | MALAGA, Eddy, NM | Pass | State |
| 2023-10-16 | NORTH CORRIDOR EAST CENTRAL GAS LIFT | MALAGA, Eddy, NM | Pass | State |
| 2023-10-16 | NORTH CORRIDOR EAST CENTRAL GAS LIFT | MALAGA, Eddy, NM | Pass | State |
| 2023-10-16 | GARRETT FED COM FACILITY | MALAGA, Eddy, NM | Pass | State |
| 2023-10-16 | DR. LANA WHITE FACILITY | MALAGA, Eddy, NM | Pass | State |
| 2023-10-16 | BOROS WEST FACILITY — high-priority violation on file | MALAGA, Eddy, NM | Pass | State |
| 2023-10-16 | MICHAEL RYAN TB | LIVINGSTON WHEELER, Eddy, NM | Pass | State |
| 2023-10-16 | RAMBO COMPRESSOR STATION | CARLSBAD, Eddy, NM | Pass | State |
| 2023-10-16 | HERRICK PAD 952535 | SARDIS, Monroe, OH | Pass | State |
| 2023-10-16 | HERRICK PAD 952535 | SARDIS, Monroe, OH | Pass | State |
| 2023-10-16 | HERRICK PAD 952535 | SARDIS, Monroe, OH | Pass | State |
| 2023-10-16 | BCE MACH LLC / GRAHAM 1 27 12 STA | CHEROKEE, Alfalfa, OK | Pass | State |
| 2023-10-16 | BCE MACH LLC / ILA 17 27 12 STA | CHEROKEE, Alfalfa, OK | Pass | State |
| 2023-10-16 | TOM STACK LLC / COMMUNITY COMPRESSOR STATION | OMEGA, Blaine, OK | Pass | State |
| 2023-10-16 | TOM STACK LLC / COMMUNITY COMPRESSOR STATION | OMEGA, Blaine, OK | Pass | State |
| 2023-10-16 | ET GATHERING PROCESSING LLC / ASHLAND 2 COMPRESSOR STATION | CAIRO, Coal, OK | Pass | State |
| 2023-10-16 | DCP OPERATING CO LP / STRAIGHT COMPRESSOR STATION | GUYMON, Texas, OK | Pass | State |
| 2023-10-16 | NATL FUEL GAS SUPPLY/ELLISBURG STA | ELLISBURG, Potter, PA | Pass | State |
| 2023-10-16 | PINE RUN MIDSTREAM LLC/BICKER COMP STA | CABOT, Butler, PA | Pass | State |
| 2023-10-16 | GRAYS FERRY COGEN PARTNERSHIP/PHILA — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2023-10-16 | COMPASS MINERALS | UTAH, Undetermined, UT | Pass | State |
| 2023-10-16 | NAVAL SUPPORT FACILITY, DAHLGREN | DAHLGREN, King George, VA | Pass | State |
| 2023-10-16 | GREEN BAY METRO SEWERAGE DIST | GREEN BAY, Brown, WI | Pass | State |
| 2023-10-15 | INTERNATIONAL PAPER - FLINT RIVER MILL | OGLETHORPE, Macon, GA | Pass | State |
| 2023-10-14 | DOYON UTILITIES, LLC / FORT WAINWRIGHT (PRIVATIZED EMISSION UN | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2023-10-13 | US AIR FORCE (EIELSON) / EIELSON AIR FORCE BASE — high-priority violation on file | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2023-10-13 | US AIR FORCE (EIELSON) / EIELSON AIR FORCE BASE — high-priority violation on file | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2023-10-13 | DOYON UTILITIES, LLC / FORT WAINWRIGHT (PRIVATIZED EMISSION UN | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2023-10-13 | LEHIGH CEMENT COMPANY | LEEDS, Jefferson, AL | Pass | Local |
| 2023-10-13 | DESOTO GATHERING COMPANY, LLC - SOUTHEAST RAINBOW CPF-2 | BEE BRANCH, Conway, AR | Pass | State |
| 2023-10-13 | MERIT ENERGY COMPANY, LLC - TOBEY COMPRESSOR STATION | CHARLESTON, Franklin, AR | Pass | State |
| 2023-10-13 | DESOTO GATHERING COMPANY, LLC - NORTH YELLOWSTONE CPF-2 | BEE BRANCH, Van Buren, AR | Pass | State |
| 2023-10-13 | WESTERN REGIONAL LANDFILL | LINCOLN, Placer, CA | Pass | Local |
| 2023-10-13 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-13 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-13 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-13 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-13 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-13 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-13 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-13 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-13 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-13 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-13 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-13 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-13 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-13 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-13 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-13 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-13 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-13 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-13 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-13 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-13 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-13 | WASTE CONNECTIONS OF OSCEOLA COUNTY, LLC | SAINT CLOUD, Osceola, FL | Pass | State |
| 2023-10-13 | WASTE CONNECTIONS OF OSCEOLA COUNTY, LLC | SAINT CLOUD, Osceola, FL | Pass | State |
| 2023-10-13 | WASTE CONNECTIONS OF OSCEOLA COUNTY, LLC | SAINT CLOUD, Osceola, FL | Pass | State |
| 2023-10-13 | WASTE CONNECTIONS OF OSCEOLA COUNTY, LLC | SAINT CLOUD, Osceola, FL | Pass | State |
| 2023-10-13 | WASTE CONNECTIONS OF OSCEOLA COUNTY, LLC | SAINT CLOUD, Osceola, FL | Pass | State |
| 2023-10-13 | WASTE CONNECTIONS OF OSCEOLA COUNTY, LLC | SAINT CLOUD, Osceola, FL | Pass | State |
| 2023-10-13 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2023-10-13 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2023-10-13 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2023-10-13 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2023-10-13 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2023-10-13 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2023-10-13 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2023-10-13 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2023-10-13 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2023-10-13 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2023-10-13 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2023-10-13 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2023-10-13 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2023-10-13 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2023-10-13 | STOVALL 17H #1 | PLAIN DEALING, Bossier, LA | Pass | State |
| 2023-10-13 | CITY OF HIGH POINT - EASTSIDE WASTEWATER TREATMENT PLANT | JAMESTOWN, Guilford, NC | Pass | State |
| 2023-10-13 | CITY OF HIGH POINT - EASTSIDE WASTEWATER TREATMENT PLANT | JAMESTOWN, Guilford, NC | Pass | State |
| 2023-10-13 | MARTIN MARIETTA MATERIALS, INC. - BENSON | BENSON, Johnston, NC | Pending | State |
| 2023-10-13 | LINCOLN INDUSTRIES | LINCOLN, Lancaster, NE | Pass | Local |
| 2023-10-13 | PRINCETON UNIVERSITY - FORRESTAL CAMPUS | PLAINSBORO, Middlesex, NJ | Pass | State |
| 2023-10-13 | PLANTVIEW COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.