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 |
|---|---|---|---|---|
| 2024-11-06 | CAPITAL QUARRIES CO - SULLIVAN QUARRY | BOURBON, Crawford, MO | Pass | State |
| 2024-11-06 | 3G ROCK PARTNERS GRAVOIS MILLS | GRAVOIS MILLS, Morgan, MO | Pass | State |
| 2024-11-06 | 3G ROCK PARTNERS GRAVOIS MILLS | GRAVOIS MILLS, Morgan, MO | Pass | State |
| 2024-11-06 | 3G ROCK PARTNERS GRAVOIS MILLS | GRAVOIS MILLS, Morgan, MO | Pass | State |
| 2024-11-06 | 3G ROCK PARTNERS GRAVOIS MILLS | GRAVOIS MILLS, Morgan, MO | Pass | State |
| 2024-11-06 | 3G ROCK PARTNERS GRAVOIS MILLS | GRAVOIS MILLS, Morgan, MO | Pass | State |
| 2024-11-06 | 3G ROCK PARTNERS GRAVOIS MILLS | GRAVOIS MILLS, Morgan, MO | Pass | State |
| 2024-11-06 | 3G ROCK PARTNERS GRAVOIS MILLS | GRAVOIS MILLS, Morgan, MO | Pass | State |
| 2024-11-06 | 3G ROCK PARTNERS GRAVOIS MILLS | GRAVOIS MILLS, Morgan, MO | Pass | State |
| 2024-11-06 | 3G ROCK PARTNERS GRAVOIS MILLS | GRAVOIS MILLS, Morgan, MO | Pass | State |
| 2024-11-06 | 3G ROCK PARTNERS GRAVOIS MILLS | GRAVOIS MILLS, Morgan, MO | Pass | State |
| 2024-11-06 | 3G ROCK PARTNERS GRAVOIS MILLS | GRAVOIS MILLS, Morgan, MO | Pass | State |
| 2024-11-06 | 3G ROCK PARTNERS GRAVOIS MILLS | GRAVOIS MILLS, Morgan, MO | Pass | State |
| 2024-11-06 | 3G ROCK PARTNERS GRAVOIS MILLS | GRAVOIS MILLS, Morgan, MO | Pass | State |
| 2024-11-06 | 3G ROCK PARTNERS GRAVOIS MILLS | GRAVOIS MILLS, Morgan, MO | Pass | State |
| 2024-11-06 | CAPITAL QUARRIES CO INC - ROLLA HWY 63 QUARRY | ROLLA, Phelps, MO | Pass | State |
| 2024-11-06 | CAPITAL QUARRIES CO INC - ROLLA HWY 63 QUARRY | ROLLA, Phelps, MO | Pass | State |
| 2024-11-06 | CAPITAL QUARRIES CO INC - ROLLA HWY 63 QUARRY | ROLLA, Phelps, MO | Pass | State |
| 2024-11-06 | CAPITAL QUARRIES CO INC - ROLLA HWY 63 QUARRY | ROLLA, Phelps, MO | Pass | State |
| 2024-11-06 | CAPITAL QUARRIES CO INC - ROLLA HWY 63 QUARRY | ROLLA, Phelps, MO | Pass | State |
| 2024-11-06 | GEORGIA PACIFIC MONTICELLO LLC | MONTICELLO, Lawrence, MS | Pass | State |
| 2024-11-06 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2024-11-06 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2024-11-06 | CHS INC REFINERY LAUREL | LAUREL, Yellowstone, MT | Pass | State |
| 2024-11-06 | ELECTRIC GLASS FIBER AMERICA, LLC | SHELBY, Cleveland, NC | Pass | State |
| 2024-11-06 | CHARLOTTE PIPE AND FOUNDRY COMPANY | OAKBORO, Stanly, NC | Pass | State |
| 2024-11-06 | SPECGX LLC - MALLINCKRODT PHARMACEUTICALS | RALEIGH, Wake, NC | Pass | State |
| 2024-11-06 | SPECGX LLC - MALLINCKRODT PHARMACEUTICALS | RALEIGH, Wake, NC | Pass | State |
| 2024-11-06 | WALKER COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2024-11-06 | PHEASANT LGL STATION | MALAGA, Eddy, NM | Pass | State |
| 2024-11-06 | PHEASANT LGL STATION | MALAGA, Eddy, NM | Pass | State |
| 2024-11-06 | PICANTE COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-11-06 | PICANTE COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-11-06 | TITAN COMPRESSOR STATION | MALAGA, Lea, NM | Pass | State |
| 2024-11-06 | TITAN COMPRESSOR STATION | MALAGA, Lea, NM | Pass | State |
| 2024-11-06 | GLOBAL COMPANIES LLC - ALBANY TERMINAL | ALBANY, Albany, NY | Pass | State |
| 2024-11-06 | GARLOCK SEALING TECHNOLOGIES | PALMYRA, Wayne, NY | Pass | State |
| 2024-11-06 | EOG RESOURCES, INC. - OUR LAND CO 20-13-6 PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2024-11-06 | EOG RESOURCES, INC. - OUR LAND CO 20-13-6 PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2024-11-06 | ASCENT RESOURCES - UTICA LLC - THOMPSON SMF JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2024-11-06 | ASCENT RESOURCES - UTICA LLC - THOMPSON SMF JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2024-11-06 | ASCENT RESOURCES - UTICA LLC - THOMPSON SMF JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2024-11-06 | ONEOK FIELD SERVICES CO LLC / CEDAR LAKE COMPRESSOR STATION | CALUMET, Canadian, OK | Pass | State |
| 2024-11-06 | ONEOK FIELD SERVICES CO LLC / CEDAR LAKE COMPRESSOR STATION | CALUMET, Canadian, OK | Pass | State |
| 2024-11-06 | PEOPLES ELECTRIC COOP / TARGA — high-priority violation on file | CENTRAHOMA, Coal, OK | Pass | State |
| 2024-11-06 | PEOPLES ELECTRIC COOP / TARGA — high-priority violation on file | CENTRAHOMA, Coal, OK | Pass | State |
| 2024-11-06 | SOUTHERN STAR CTL GAS PIPELINE INC / NASH COMPRESSOR STATION | NASH, Grant, OK | Pass | State |
| 2024-11-06 | SOUTHERN STAR CTL GAS PIPELINE INC / NASH COMPRESSOR STATION | NASH, Grant, OK | Pass | State |
| 2024-11-06 | ET GATHERING PROCESSING LLC / BRAY COMPRESSOR STATION | BRAY, Stephens, OK | Pass | State |
| 2024-11-06 | ET GATHERING PROCESSING LLC / BRAY COMPRESSOR STATION | BRAY, Stephens, OK | Pass | State |
| 2024-11-06 | INTERNATIONAL PAPER | SPRINGFIELD, Lane, OR | Pass | Local |
| 2024-11-06 | KIMBERLY CLARK CORP/CHESTER OPR | CHESTER, Delaware, PA | Pass | State |
| 2024-11-06 | ENERGY DEVS HONEY BROOK LLC/CAERNARVON TWP | NARVON, Lancaster, PA | Pass | State |
| 2024-11-06 | HURON ENERGY LLC, DBA GLACIAL LAKES ENERGY LLC — high-priority violation on file | HURON, Beadle, SD | Pass | State |
| 2024-11-06 | HUB CITY ENERGY, LLC — high-priority violation on file | ABERDEEN, Brown, SD | Pass | State |
| 2024-11-06 | GENERAL MOTORS LLC SPRING HILL MANUFACTURING — high-priority violation on file | SPRING HILL, Maury, TN | Pass | State |
| 2024-11-06 | ULTIUM CELLS LLC | CITY OF SPRING HILL, Maury, TN | Fail | State |
| 2024-11-06 | KINDER MORGAN LLC - MAIN GAS PLANT | ALTAMONT, Duchesne, UT | Pass | State |
| 2024-11-06 | PUGET SOUND ENERGY-FREDONIA | MOUNT VERNON, Skagit, WA | Pass | Local |
| 2024-11-06 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | Fail | Local |
| 2024-11-06 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | Fail | Local |
| 2024-11-06 | FIVE STAR COATINGS GROUP | TWIN LAKES, Kenosha, WI | Pass | State |
| 2024-11-06 | GREDE - REEDSBURG LLC | REEDSBURG, Sawyer, WI | Pass | State |
| 2024-11-06 | MONONGAHELA POWER COMPANY, HARRISON STATION | HAYWOOD, Harrison, WV | Pass | State |
| 2024-11-06 | COLUMBIA GAS TRANSMISSION, LLC, ELK RIVER | CLENDENIN, Kanawha, WV | Pass | State |
| 2024-11-06 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2024-11-06 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2024-11-06 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2024-11-06 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2024-11-05 | INTERNATIONAL PAPER COMPANY — high-priority violation on file | SELMA, Dallas, AL | Pass | State |
| 2024-11-05 | W&T OFFSHORE, INC. | MOBILE BAY, Mobile, AL | Pass | State |
| 2024-11-05 | W&T OFFSHORE, INC. | MOBILE BAY, Mobile, AL | Pass | State |
| 2024-11-05 | W&T OFFSHORE, INC. | MOBILE BAY, Mobile, AL | Pass | State |
| 2024-11-05 | OUTOKUMPU STAINLESS USA, LLC | CALVERT, Mobile, AL | Pass | State |
| 2024-11-05 | OUTOKUMPU STAINLESS USA, LLC | CALVERT, Mobile, AL | Pass | State |
| 2024-11-05 | SOUTHERN NATURAL GAS | REFORM, Pickens, AL | Pass | State |
| 2024-11-05 | SOUTHERN NATURAL GAS | REFORM, Pickens, AL | Pass | State |
| 2024-11-05 | DESOTO GATHERING COMPANY, LLC - SOUTH RAINBOW | CENTER RIDGE, Conway, AR | Pass | State |
| 2024-11-05 | DESOTO GATHERING COMPANY, LLC - SOUTH RAINBOW | CENTER RIDGE, Conway, AR | Pass | State |
| 2024-11-05 | ET GATHERING & PROCESSING LLC. - CHISMVILLE COMPRESSOR STATION | BOONEVILLE, Logan, AR | Pass | State |
| 2024-11-05 | ET GATHERING & PROCESSING LLC. - CHISMVILLE COMPRESSOR STATION | BOONEVILLE, Logan, AR | Pass | State |
| 2024-11-05 | BLYTHE ENERGY LLC (FPL FLORIDA POWER) | BLYTHE, Riverside, CA | Pass | Local |
| 2024-11-05 | CITY OF SACRAMENTO - 28TH ST LANDFILL | SACRAMENTO, Sacramento, CA | Pass | Local |
| 2024-11-05 | CITY OF SACRAMENTO - 28TH ST LANDFILL | SACRAMENTO, Sacramento, CA | Pass | Local |
| 2024-11-05 | B BRAUN MEDICAL | IRVINE, Orange, CA | Pass | Local |
| 2024-11-05 | PLAINS MARKETING, LP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-11-05 | PLAINS MARKETING, LP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-11-05 | PLAINS MARKETING, LP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-11-05 | PLAINS MARKETING, LP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-11-05 | PLAINS MARKETING, LP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-11-05 | CRESTONE PEAK - ARKANSAS 4-64 3-2 | WATKINS AREA, Arapahoe, CO | Pass | State |
| 2024-11-05 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-11-05 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-11-05 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2024-11-05 | JAX LNG LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2024-11-05 | JAX LNG LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2024-11-05 | JAX LNG LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2024-11-05 | JAX LNG LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2024-11-05 | JAX LNG LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2024-11-05 | JAX LNG LLC | JACKSONVILLE, Duval, FL | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.