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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register and their stack tests in 2023. It lists 26,911 stack tests recorded nationwide in 2023.