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 |
|---|---|---|---|---|
| 2023-11-21 | FEDERAL CARTRIDGE COMPANY | ANOKA, Anoka, MN | Fail | State |
| 2023-11-21 | CHS ROCHESTER - KASSON | KASSON, Dodge, MN | Pass | State |
| 2023-11-21 | OWENS-CORNING STATELINE | JOPLIN, Jasper, MO | Pass | State |
| 2023-11-21 | OWENS-CORNING STATELINE | JOPLIN, Jasper, MO | Pending | State |
| 2023-11-21 | OWENS-CORNING STATELINE | JOPLIN, Jasper, MO | N/A | State |
| 2023-11-21 | OWENS-CORNING STATELINE | JOPLIN, Jasper, MO | Fail | State |
| 2023-11-21 | NORTH CAROLINA STATE UNIVERSITY | RALEIGH, Wake, NC | Fail | State |
| 2023-11-21 | SWIFT BEEF COMPANY — high-priority violation on file | GRAND ISLAND, Hall, NE | Fail | State |
| 2023-11-21 | OPPD NEBRASKA CITY STATION | NEBRASKA CITY, Otoe, NE | N/A | State |
| 2023-11-21 | BLUE STEEL 21 FED CTB | LOVING, Eddy, NM | Pass | State |
| 2023-11-21 | LONGWOOD - STEBBINS COMPRESSOR STATION | CARLSBAD, Eddy, NM | Pass | State |
| 2023-11-21 | JIM PAT SWD | CARLSBAD, Eddy, NM | Pass | State |
| 2023-11-21 | JIM PAT SWD | CARLSBAD, Eddy, NM | Pass | State |
| 2023-11-21 | RJ BOOSTER GCP4-3808 | SANTA FE, Santa Fe, NM | Pass | State |
| 2023-11-21 | RJ BOOSTER GCP4-3808 | SANTA FE, Santa Fe, NM | Pass | State |
| 2023-11-21 | ROCHDALE VILLAGE | QUEENS, Queens, NY | Pass | State |
| 2023-11-21 | CORNING COMPRESSOR STATION | CORNING(T), Steuben, NY | Pass | State |
| 2023-11-21 | INDECK-YERKES ENERGY SERVICES | TONAWANDA, Erie, NY | Pass | State |
| 2023-11-21 | GULFPORT APPALACHIA, LLC - HENDERSHOT PAD | POWHATAN POINT, Belmont, OH | Pass | State |
| 2023-11-21 | GULFPORT APPALACHIA, LLC - HENDERSHOT PAD | POWHATAN POINT, Belmont, OH | Pass | State |
| 2023-11-21 | GULFPORT APPALACHIA, LLC - HENDERSHOT PAD | POWHATAN POINT, Belmont, OH | Pass | State |
| 2023-11-21 | ONEOK FIELD SERVICES CO LLC / PAYNE COMPRESSOR STATION | WATONGA, Blaine, OK | Pass | State |
| 2023-11-21 | ONEOK FIELD SERVICES CO LLC / PAYNE COMPRESSOR STATION | WATONGA, Blaine, OK | Pass | State |
| 2023-11-21 | ONEOK FIELD SERVICES CO LLC / PAYNE COMPRESSOR STATION | WATONGA, Blaine, OK | Pass | State |
| 2023-11-21 | CONTINENTAL RESOURCES / CATSKILLS 1 1 12XHM | RATLIFF CITY, Carter, OK | Pass | State |
| 2023-11-21 | FW MIDCON I LLC / LUCILE 1708 4H 5H 6H 27X EMORY 1708 2H | LOYAL, Kingfisher, OK | Pass | State |
| 2023-11-21 | EXPAND OPERATING LLC/FERRARO WELL PAD | NEW ALBANY, Bradford, PA | Pass | State |
| 2023-11-21 | EXPAND OPERATING LLC/RU-47 KARMAZIN PAD | SUSQUEHANNA, Susquehanna, PA | Pass | State |
| 2023-11-21 | POET BIOREFINING - GROTON | GROTON, Brown, SD | Pass | State |
| 2023-11-21 | HANDLEY STEAM ELECTRIC STATION | FORT WORTH, Tarrant, TX | Pass | State |
| 2023-11-21 | HF SINCLAIR WOODS CROSS REFINERY (FORMERLY HOLLY) | WOODS CROSS, Davis, UT | Pass | State |
| 2023-11-21 | NYDIG DFM LLC - DUCHESNE DATA POWER STATION (FORMERLY CRUSOE ENERGY SYSTEMS) | UPALCO, Duchesne, UT | Pass | State |
| 2023-11-21 | QTS RICHMOND DATA CENTER — high-priority violation on file | SANDSTON, Henrico, VA | Pass | State |
| 2023-11-21 | THE NEWARK GROUP, INC. | MILWAUKEE, Monroe, WI | Pass | State |
| 2023-11-21 | QUAD/GRAPHICS, INC | WEST ALLIS, Waukesha, WI | Pass | State |
| 2023-11-21 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-11-21 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-11-21 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-11-21 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-11-20 | WELLBORN CABINETS INC | ASHLAND, Clay, AL | Pass | State |
| 2023-11-20 | CALIFORNIA DAIRIES, INC. | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-20 | CALIFORNIA DAIRIES, INC. | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-20 | CALIFORNIA DAIRIES, INC. | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-20 | CALIFORNIA DAIRIES, INC. | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-20 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-20 | JG BOSWELL CO- OIL MILL | CORCORAN, Kings, CA | Pass | Local |
| 2023-11-20 | JG BOSWELL CO- OIL MILL | CORCORAN, Kings, CA | Pass | Local |
| 2023-11-20 | JG BOSWELL CO- OIL MILL | CORCORAN, Kings, CA | Pass | Local |
| 2023-11-20 | PDC ENERGY - WARD 20 SEC HZ | GREELEY, Weld, CO | Pass | State |
| 2023-11-20 | MOSAIC FERTILIZER, LLC | RIVERVIEW, Hillsborough, FL | Pass | State |
| 2023-11-20 | SIGECO - FB CULLEY GENERATING STATION | NEWBURGH, Warrick, IN | Pass | State |
| 2023-11-20 | MONARCH CEMENT (AIR) | HUMBOLDT, Allen, KS | Pass | State |
| 2023-11-20 | CAMBRIA CO | LE SUEUR, Le Sueur, MN | Pass | State |
| 2023-11-20 | VALERO RENEWABLE FUELS CO LLC - WELCOME PLANT | WELCOME, Martin, MN | Pass | State |
| 2023-11-20 | WHOLESTONE FARMS COOPERATIVE — high-priority violation on file | FREMONT, Dodge, NE | N/A | State |
| 2023-11-20 | ADM CORN PROCESSING — high-priority violation on file | COLUMBUS, Platte, NE | N/A | State |
| 2023-11-20 | GREENAMERICA BIOFUELS ORD LLC | ORD, Valley, NE | N/A | State |
| 2023-11-20 | GREENAMERICA BIOFUELS ORD LLC | ORD, Valley, NE | N/A | State |
| 2023-11-20 | GUITAR 10 FACILITY | MALAGA, Eddy, NM | Pass | State |
| 2023-11-20 | JIM PAT SWD | CARLSBAD, Eddy, NM | Pass | State |
| 2023-11-20 | JIM PAT SWD | CARLSBAD, Eddy, NM | Pass | State |
| 2023-11-20 | PECOS RIVER COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2023-11-20 | PECOS RIVER COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2023-11-20 | BIG MOOSE FED COM FACILITY | OIL CENTER, Lea, NM | Pass | State |
| 2023-11-20 | GEOPETRO LLC - FIRESTONE A, M&R PAD SITE | COLUMBIANA, Columbiana, OH | Pass | State |
| 2023-11-20 | GEOPETRO LLC - FIRESTONE A, M&R PAD SITE | COLUMBIANA, Columbiana, OH | Pass | State |
| 2023-11-20 | GEOPETRO LLC - FIRESTONE A, M&R PAD SITE | COLUMBIANA, Columbiana, OH | Pass | State |
| 2023-11-20 | BOUNTY TRANSFER LLC / EAST CEMENT COMPRESSOR STATION | CEMENT, Caddo, OK | Pass | State |
| 2023-11-20 | FW MIDCON I LLC / BRODERSEN 1307 1 25WH | EL RENO, Canadian, OK | Pass | State |
| 2023-11-20 | IRON HORSE MIDSTREAM LLC / TERRITORY COMPRESSOR STATION | EL RENO, Canadian, OK | Pass | State |
| 2023-11-20 | DCP OPERATING CO LP / WILD HOG BOOSTER STATION | BRADLEY, Grady, OK | Pass | State |
| 2023-11-20 | FW MIDCON I LLC / DAVIS 0805 2HW 3HW 4HW 34X | BLANCHARD, Grady, OK | Pass | State |
| 2023-11-20 | FW MIDCON I LLC / JERRY 1H 22X | DIBBLE, McClain, OK | Pass | State |
| 2023-11-20 | VICTAULIC CO/FORKS FACILITY | EASTON, Northampton, PA | Pass | State |
| 2023-11-20 | HEIDELBERG MATERIALS US CEMENT LLC/EVANSVILLE CEMENT PLT & Q — high-priority violation on file | FLEETWOOD, Berks, PA | Pass | State |
| 2023-11-20 | EXCO APPLACHIA MIDSTREAM LLC/CONFER COMP STA | BURNSIDE TWP, Centre, PA | Pass | State |
| 2023-11-20 | BLUESTONE PIPELINE CO OF PA/HARMONY COMP STA | SUSQUEHANNA, Susquehanna, PA | Pass | State |
| 2023-11-20 | NYDIG DFM LLC - DUCHESNE DATA POWER STATION (FORMERLY CRUSOE ENERGY SYSTEMS) | UPALCO, Duchesne, UT | Pass | State |
| 2023-11-20 | FRANZ SEATTLE DIVISION - WELLER ST. | SEATTLE, King, WA | Pass | Local |
| 2023-11-20 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-11-20 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-11-20 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-11-20 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-11-20 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-11-20 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-11-20 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-11-20 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.