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 |
|---|---|---|---|---|
| 2024-10-17 | EOG - BODACIOUS LOCALIZED GAS LIFT STATION | JAL, Lea, NM | Pass | State |
| 2024-10-17 | GOLD QUARRY OPERATIONS — high-priority violation on file | CARLIN, Eureka, NV | Pass | State |
| 2024-10-17 | CAESARS ENTERTAINMENT INCORPORATED - CAESARS CONSOLIDATED PROPERTIES | LAS VEGAS, Clark, NV | Pass | Local |
| 2024-10-17 | CAESARS ENTERTAINMENT INCORPORATED - CAESARS CONSOLIDATED PROPERTIES | LAS VEGAS, Clark, NV | Pass | Local |
| 2024-10-17 | SILVERHAWK GENERATING STATION | LAS VEGAS, Clark, NV | Pass | Local |
| 2024-10-17 | WILSON BLACKTOP CORPORATION | MARTINS FERRY, Belmont, OH | Pass | State |
| 2024-10-17 | ASCENT RESOURCES - UTICA LLC - CLUB SMF JF | ADENA, Jefferson, OH | Pass | State |
| 2024-10-17 | ASCENT RESOURCES - UTICA LLC - CLUB SMF JF | ADENA, Jefferson, OH | Pass | State |
| 2024-10-17 | ASCENT RESOURCES - UTICA LLC - CLUB SMF JF | ADENA, Jefferson, OH | Pass | State |
| 2024-10-17 | ASCENT RESOURCES - UTICA LLC - HOWELL 33 SMF JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2024-10-17 | ASCENT RESOURCES - UTICA LLC - HOWELL 33 SMF JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2024-10-17 | ASCENT RESOURCES - UTICA LLC - HOWELL 33 SMF JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2024-10-17 | COLLINWOOD BIOENERGY, LLC | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2024-10-17 | COLLINWOOD BIOENERGY, LLC | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2024-10-17 | COLLINWOOD BIOENERGY, LLC | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2024-10-17 | PATHEON PHARMACEUTICALS INC. | CINCINNATI, Hamilton, OH | Pass | State |
| 2024-10-17 | BOUNTY TRANSFER LLC / EAST CEMENT COMPRESSOR STATION | CEMENT, Caddo, OK | Pass | State |
| 2024-10-17 | TOM STACK LLC / KARBACH COMPRESSOR STATION | OMEGA, Kingfisher, OK | Pass | State |
| 2024-10-17 | ET GATHERING PROCESSING LLC / WILBURTON GATHERING STATION | WILBURTON, Latimer, OK | Pass | State |
| 2024-10-17 | XTO ENERGY INC / MANNING 1 3H IRENE 1 3H2X11 PRODUCTIO | MARIETTA, Love, OK | Pass | State |
| 2024-10-17 | CRAWLEY PETROLEUM CORP / ANCHOR P 2 29MH PAD | FAIRVIEW, Major, OK | Pass | State |
| 2024-10-17 | TARGA PIPELINE MIDCONTINENT LLC / WATKINS COMPRESSOR STATION | MADILL, Marshall, OK | Pass | State |
| 2024-10-17 | XTO ENERGY INC / JOHNSON 1 31 PRODUCTION SITE | CUMBERLAND, Marshall, OK | Pass | State |
| 2024-10-17 | OTTER CREEK MIDSTREAM LLC / PERRY COMPRESSOR STATION | PERRY, Noble, OK | Pass | State |
| 2024-10-17 | BOUNTY TRANSFER LLC / DYER COMPRESSOR STATION | MARLOW, Stephens, OK | Pass | State |
| 2024-10-17 | LAUREL MTN MIDSTREAM OPR LLC/SPRINGHILL COMP STA | LAKE LYNN, Fayette, PA | Pass | State |
| 2024-10-17 | WILLIAMS FIELD SVC CO LLC/ZICK COMP STA | KINGSLEY, Susquehanna, PA | Pass | State |
| 2024-10-17 | DIVERSIFIED PROD LLC/NV 34 WELLPAD — high-priority violation on file | PROSPERITY, Washington, PA | Pass | State |
| 2024-10-17 | CAREY, R. PAD 1 | KINGSLEY, Susquehanna, PA | Pass | State |
| 2024-10-17 | RUSSO, B. PAD 1 — high-priority violation on file | SPRINGVILLE, Susquehanna, PA | Pass | State |
| 2024-10-17 | WARRINER, S PAD 1 — high-priority violation on file | MONTROSE, Susquehanna, PA | Pass | State |
| 2024-10-17 | AMICA MUTUAL INSURANCE CO. | LINCOLN, Providence, RI | Pass | State |
| 2024-10-17 | INTERNATIONAL PAPER - GEORGETOWN MILL | GEORGETOWN, Georgetown, SC | Pass | State |
| 2024-10-17 | WBI ENERGY TRANSMISSION, INC | BELLE FOURCHE, Butte, SD | Pass | State |
| 2024-10-17 | SIOUX VALLEY ENERGY | MOODY COUNTY, Moody, SD | Pass | State |
| 2024-10-17 | SALT LAKE ENERGY SYSTEMS LLC | SALT LAKE CITY, Salt Lake, UT | Pass | State |
| 2024-10-17 | SALT LAKE ENERGY SYSTEMS LLC | SALT LAKE CITY, Salt Lake, UT | Pass | State |
| 2024-10-17 | COMPASS MINERALS | UTAH, Undetermined, UT | Pending | State |
| 2024-10-17 | NTT GLOBAL DATA CENTERS VA10 LLC | GAINESVILLE, Prince William, VA | Pass | State |
| 2024-10-17 | COLUMBIA GAS TRANSMISSION LLC - STRASBURG COM STA | STRASBURG, Shenandoah, VA | Pass | State |
| 2024-10-17 | NECAL ACQUISITION LLC (DBA NECAL) | SPARTA, Oconto, WI | Pass | State |
| 2024-10-17 | NEENAH FOUNDRY COMPANY - NEENAH OPERATIONS (W2179) — high-priority violation on file | NEENAH, Wood, WI | Pass | State |
| 2024-10-17 | PRECOAT METALS CORP., WEIRTON | WEIRTON, Brooke, WV | Fail | State |
| 2024-10-16 | DESOTO GATHERING COMPANY, LLC - TIGER CPF-1 | BRADFORD, White, AR | Pass | State |
| 2024-10-16 | DESOTO GATHERING COMPANY, LLC - TIGER CPF-1 | BRADFORD, White, AR | Pass | State |
| 2024-10-16 | CALPORTLAND - RILLITO CEMENT PLANT | MARANA, Pima, AZ | Pass | State |
| 2024-10-16 | UCSD | LA JOLLA, San Diego, CA | Pass | Local |
| 2024-10-16 | SHELL PIPELINE COMPANY | COALINGA, Fresno, CA | Pass | Local |
| 2024-10-16 | SHELL PIPELINE COMPANY | COALINGA, Fresno, CA | Pass | Local |
| 2024-10-16 | SHELL PIPELINE COMPANY | COALINGA, Fresno, CA | Pass | Local |
| 2024-10-16 | SHELL PIPELINE COMPANY | COALINGA, Fresno, CA | Pass | Local |
| 2024-10-16 | SHELL PIPELINE COMPANY | COALINGA, Fresno, CA | Pass | Local |
| 2024-10-16 | SHELL PIPELINE COMPANY | COALINGA, Fresno, CA | Pass | Local |
| 2024-10-16 | SHELL PIPELINE COMPANY | COALINGA, Fresno, CA | Pass | Local |
| 2024-10-16 | SHELL PIPELINE COMPANY | COALINGA, Fresno, CA | Pass | Local |
| 2024-10-16 | SHELL PIPELINE COMPANY | COALINGA, Fresno, CA | Pass | Local |
| 2024-10-16 | SHELL PIPELINE COMPANY | COALINGA, Fresno, CA | Pass | Local |
| 2024-10-16 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-16 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-16 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-16 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-16 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-16 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-16 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-16 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-16 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-16 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-16 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-16 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-16 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-16 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-16 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-16 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-16 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-16 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-16 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-16 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-16 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-10-16 | ROCKY MOUNTAIN MIDSTREAM - WATKINS C.S. | BENNETT AREA, Adams, CO | Pass | State |
| 2024-10-16 | COLORADO INTERSTATE GAS- KIT CARSON C.S. | KIT CARSON 6.6 MI. S OF, Cheyenne, CO | Pass | State |
| 2024-10-16 | COLORADO INTERSTATE GAS- KIT CARSON C.S. | KIT CARSON 6.6 MI. S OF, Cheyenne, CO | Pass | State |
| 2024-10-16 | COLORADO INTERSTATE GAS- KIT CARSON C.S. | KIT CARSON 6.6 MI. S OF, Cheyenne, CO | Pass | State |
| 2024-10-16 | PUBLIC SERVICE CO GREASEWOOD STATION | MEEKER 16.7 MI. SW OF, Rio Blanco, CO | Pass | State |
| 2024-10-16 | PUBLIC SERVICE CO GREASEWOOD STATION | MEEKER 16.7 MI. SW OF, Rio Blanco, CO | Pass | State |
| 2024-10-16 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-10-16 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | N/A | State |
| 2024-10-16 | FLORIDA POWER & LIGHT COMPANY (PCC) | COCOA, Brevard, FL | Pass | State |
| 2024-10-16 | NEENAH FOUNDRY COMPANY | MEDLEY, Miami-Dade, FL | Pass | State |
| 2024-10-16 | BAPTIST MEDICAL CENTER . | JACKSONVILLE, Duval, FL | Pass | State |
| 2024-10-16 | CMC STEEL US, LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2024-10-16 | CMC STEEL US, LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2024-10-16 | CMC STEEL US, LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2024-10-16 | CMC STEEL US, LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2024-10-16 | CMC STEEL US, LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2024-10-16 | CMC STEEL US, LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2024-10-16 | BREITBURN OPERATING LP — high-priority violation on file | JAY, Santa Rosa, FL | Pass | State |
| 2024-10-16 | GERDAU AMERISTEEL US INC. | CARTERSVILLE, Bartow, GA | Pass | State |
| 2024-10-16 | GRAPHIC PACKAGING INTERNATIONAL, LLC - MACON MILL | MACON, Bibb, GA | Pass | State |
| 2024-10-16 | GA POWER CO. PLANT YATES | NEWNAN, Coweta, GA | Pass | State |
| 2024-10-16 | GA POWER CO. PLANT YATES | NEWNAN, Coweta, GA | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.