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 |
|---|---|---|---|---|
| 2023-11-15 | TESORO REFINING MARKETING COMPANY LLC | SOUTH GATE, Los Angeles, CA | Pass | Local |
| 2023-11-15 | TESORO REFINING MARKETING COMPANY LLC | SOUTH GATE, Los Angeles, CA | Pass | Local |
| 2023-11-15 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2023-11-15 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2023-11-15 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2023-11-15 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2023-11-15 | CALIFORNIA RESOURCES PRODUCTION CORP | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-15 | CALIFORNIA RESOURCES PRODUCTION CORP | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-15 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2023-11-15 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2023-11-15 | GEORGE WASHINGTON UNIVERSITY — high-priority violation on file | WASHINGTON, District of Columbia, DC | Pass | State |
| 2023-11-15 | DUKE ENERGY FLORIDA, LLC | CRYSTAL RIVER, Citrus, FL | Pass | State |
| 2023-11-15 | BUCKEYE TERMINALS, LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-11-15 | SEMINOLE ELECTRIC COOPERATIVE, INC. | BOWLING GREEN, Hardee, FL | Pass | State |
| 2023-11-15 | SEMINOLE ELECTRIC COOPERATIVE, INC. | BOWLING GREEN, Hardee, FL | Pass | State |
| 2023-11-15 | CONCORDE/INTERSPACE BATTERY GEORGIA CORPORATION | AUSTELL, Cobb, GA | Pass | State |
| 2023-11-15 | CONCORDE/INTERSPACE BATTERY GEORGIA CORPORATION | AUSTELL, Cobb, GA | Pass | State |
| 2023-11-15 | CHATTAHOOCHEE ENERGY FACILITY | FRANKLIN, Heard, GA | Pass | State |
| 2023-11-15 | CHATTAHOOCHEE ENERGY FACILITY | FRANKLIN, Heard, GA | Pass | State |
| 2023-11-15 | PRATT PAPER (GA), LLC — high-priority violation on file | CONYERS, Rockdale, GA | Pass | State |
| 2023-11-15 | PRATT PAPER (GA), LLC — high-priority violation on file | CONYERS, Rockdale, GA | Pass | State |
| 2023-11-15 | PRATT PAPER (GA), LLC — high-priority violation on file | CONYERS, Rockdale, GA | Pass | State |
| 2023-11-15 | PRATT PAPER (GA), LLC — high-priority violation on file | CONYERS, Rockdale, GA | Pass | State |
| 2023-11-15 | BIG RIVER UNITED ENERGY LLC-DYERSVILLE | DYERSVILLE, Dubuque, IA | Pass | State |
| 2023-11-15 | BIG RIVER UNITED ENERGY LLC-DYERSVILLE | DYERSVILLE, Dubuque, IA | Pass | State |
| 2023-11-15 | MUELLER CO LLC | DECATUR, Macon, IL | Pass | State |
| 2023-11-15 | MUELLER CO LLC | DECATUR, Macon, IL | Pass | State |
| 2023-11-15 | ADM GRAIN COMPANY LOGANSPORT TERMINAL | LOGANSPORT, Cass, IN | Pass | State |
| 2023-11-15 | ADM GRAIN COMPANY LOGANSPORT TERMINAL | LOGANSPORT, Cass, IN | Pass | State |
| 2023-11-15 | ADM GRAIN COMPANY LOGANSPORT TERMINAL | LOGANSPORT, Cass, IN | Pass | State |
| 2023-11-15 | ADM GRAIN COMPANY LOGANSPORT TERMINAL | LOGANSPORT, Cass, IN | Pass | State |
| 2023-11-15 | ADM GRAIN COMPANY LOGANSPORT TERMINAL | LOGANSPORT, Cass, IN | Pass | State |
| 2023-11-15 | ADM GRAIN COMPANY LOGANSPORT TERMINAL | LOGANSPORT, Cass, IN | Pass | State |
| 2023-11-15 | ADM GRAIN COMPANY LOGANSPORT TERMINAL | LOGANSPORT, Cass, IN | Pass | State |
| 2023-11-15 | GREENVILLE TECHNOLOGY INC | ANDERSON, Madison, IN | Pass | State |
| 2023-11-15 | SUPERIOR GRAPHITE | HOPKINSVILLE, Christian, KY | Pass | State |
| 2023-11-15 | AMERESCO BENSON VALLEY RNG LLC | FRANKFORT, Franklin, KY | Pass | State |
| 2023-11-15 | MARATHON PETROLEUM CO LP (KRAMERS LANE) | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2023-11-15 | ECO MAINE | PORTLAND, Cumberland, ME | Pass | State |
| 2023-11-15 | EXETER AGRI-ENERGY, LLC | EXETER, TOWN OF, Penobscot, ME | Pass | State |
| 2023-11-15 | CITY OF BATH LANDFILL | BATH, Sagadahoc, ME | Pass | State |
| 2023-11-15 | NORTHERN NATURAL GAS CO - CARLTON | CARLTON, Carlton, MN | Pass | State |
| 2023-11-15 | HERON LAKE BIOENERGY LLC | HERON LAKE, Jackson, MN | N/A | State |
| 2023-11-15 | METROPOLITAN ST. LOUIS SEWER DISTRICT BISSELL POINT WWTP | SAINT LOUIS, St. Louis (city), MO | Pending | State |
| 2023-11-15 | METROPOLITAN ST. LOUIS SEWER DISTRICT BISSELL POINT WWTP | SAINT LOUIS, St. Louis (city), MO | Fail | State |
| 2023-11-15 | CHEMOURS COMPANY FC LLC THE, DELISLE PLANT | PASS CHRISTI, Harrison, MS | Pass | State |
| 2023-11-15 | CHEMOURS COMPANY FC LLC THE, DELISLE PLANT | PASS CHRISTI, Harrison, MS | Pass | State |
| 2023-11-15 | CHEMOURS COMPANY FC LLC THE, DELISLE PLANT | PASS CHRISTI, Harrison, MS | Pass | State |
| 2023-11-15 | CHEMOURS COMPANY FC LLC THE, DELISLE PLANT | PASS CHRISTI, Harrison, MS | Pass | State |
| 2023-11-15 | CHEMOURS COMPANY FC LLC THE, DELISLE PLANT | PASS CHRISTI, Harrison, MS | Pass | State |
| 2023-11-15 | WESTLAKE CHEMICALS AND VINYLS LLC | ABERDEEN, Monroe, MS | Pass | State |
| 2023-11-15 | WESTLAKE CHEMICALS AND VINYLS LLC | ABERDEEN, Monroe, MS | Pass | State |
| 2023-11-15 | CENTURY FURNITURE - PLANT NO. 1 | HICKORY, Catawba, NC | Pass | State |
| 2023-11-15 | VULCAN CONSTRUCTION MATERIALS, LLC - ROCKINGHAM QUARRY | ROCKINGHAM, Richmond, NC | Pass | State |
| 2023-11-15 | NE NITRO GENEVA LLC | GENEVA, Fillmore, NE | N/A | State |
| 2023-11-15 | BURGESS BIOPOWER | BERLIN, Coos, NH | Pass | State |
| 2023-11-15 | TIGER BOOSTER STATION | CARLSBAD, Eddy, NM | Pass | State |
| 2023-11-15 | TIGER BOOSTER STATION | CARLSBAD, Eddy, NM | Pass | State |
| 2023-11-15 | GRAMA RIDGE GAS STORAGE FACILITY | EUNICE, Lea, NM | Pass | State |
| 2023-11-15 | RED HILLS WEST 22 W0AP FED COM NO2H BATTERY | JAL, Lea, NM | Pass | State |
| 2023-11-15 | BLACK ROCK SERVICES HP-2 — high-priority violation on file | ALBUQUERQUE, Bernalillo, NM | Pass | Local |
| 2023-11-15 | PREGIS INNOVATIVE PACKAGING INC | QUEENSBURY, Warren, NY | Pass | State |
| 2023-11-15 | ASCENT RESOURCES - UTICA LLC - TRUCHAN NE WHL BL | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-11-15 | ASCENT RESOURCES - UTICA LLC - TRUCHAN NE WHL BL | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-11-15 | ASCENT RESOURCES - UTICA LLC - TRUCHAN NE WHL BL | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-11-15 | ASCENT RESOURCES-UTICA LLC -CRAVAT COAL SHC HR WELL PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-11-15 | ASCENT RESOURCES-UTICA LLC -CRAVAT COAL SHC HR WELL PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-11-15 | ASCENT RESOURCES-UTICA LLC -CRAVAT COAL SHC HR WELL PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-11-15 | SOUTHERLY WASTEWATER TREATMENT CENTER | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2023-11-15 | DEVON ENERGY PRODUCTION CO LP / BAKER 9 16 PAD 2 | WATONGA, Blaine, OK | Pass | State |
| 2023-11-15 | ONEOK FIELD SERVICES CO LLC / BURNS COMPRESSOR STATION | GEARY, Canadian, OK | Pass | State |
| 2023-11-15 | ONEOK FIELD SERVICES CO LLC / CEDAR LAKE COMPRESSOR STATION | CALUMET, Canadian, OK | Pass | State |
| 2023-11-15 | DEVON ENERGY PRODUCTION CO LP / PUMP HOUSE 32 1H 1AH 2H | OMEGA, Kingfisher, OK | Pass | State |
| 2023-11-15 | MONTOUR LLC/MONTOUR SES | WASHINGTONVILLE, Montour, PA | Pass | State |
| 2023-11-15 | HEIDELBERG MATERIALS US CEMENT LLC/EVANSVILLE CEMENT PLT & Q — high-priority violation on file | FLEETWOOD, Berks, PA | Pass | State |
| 2023-11-15 | BUTLER COLOR PRESS/BUTLER | BUTLER, Butler, PA | Pass | State |
| 2023-11-15 | EXPAND OPERATING LLC/NOWICKI PAD NR25 | SUSQUEHANNA, Susquehanna, PA | Pass | State |
| 2023-11-15 | EXPAND OPERATING LLC/RU-46 DROPP WELLPAD | SUSQUEHANNA, Susquehanna, PA | Pass | State |
| 2023-11-15 | PREMIER WELL SITE — high-priority violation on file | WILLIAMSPORT, Lycoming, PA | Pass | State |
| 2023-11-15 | POWERS, M. PAD 1 | MESHOPPEN, Susquehanna, PA | Fail | State |
| 2023-11-15 | RUSSO, B. PAD 1 — high-priority violation on file | SPRINGVILLE, Susquehanna, PA | Pass | State |
| 2023-11-15 | RI RESOURCE RECOVERY CORP-CENTRAL LNDFL | JOHNSTON, TOWN OF, Providence, RI | Pass | State |
| 2023-11-15 | GRACE DAVISON - A BUSINESS UNIT OF W R GRACE & COMPANY - CONN | AIKEN, Aiken, SC | Pass | State |
| 2023-11-15 | NUCOR CORPORATION - DARLINGTON PLANT | DARLINGTON, Darlington, SC | Pass | State |
| 2023-11-15 | HUB CITY ENERGY, LLC — high-priority violation on file | ABERDEEN, Brown, SD | Pass | State |
| 2023-11-15 | GLACIAL LAKES ENERGY LLC | WATERTOWN, Codington, SD | Pass | State |
| 2023-11-15 | ABERDEEN ENERGY, LLC — high-priority violation on file | MINA, Edmunds, SD | Pass | State |
| 2023-11-15 | TENNESSEE VALLEY BLACKTOP INC. | DICKSON, Dickson, TN | Pass | State |
| 2023-11-15 | CARLEX GLASS AMERICA, LLC - NASHVILLE GLASS PLANT | NASHVILLE, Davidson, TN | Pass | Local |
| 2023-11-15 | NYDIG DFM LLC - DUCHESNE DATA POWER STATION (FORMERLY CRUSOE ENERGY SYSTEMS) | UPALCO, Duchesne, UT | Pass | State |
| 2023-11-15 | LONGWOOD UNIVERSITY | FARMVILLE, Prince Edward, VA | Pass | State |
| 2023-11-15 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2023-11-15 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2023-11-15 | HAMPTON LUMBER MILLS - RANDLE — high-priority violation on file | RANDLE, Lewis, WA | Pass | Local |
| 2023-11-15 | ANTERO MIDSTREAM LLC, WEST MOUNTAIN STATION | PENNSBORO, Ritchie, WV | Pass | State |
| 2023-11-15 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-11-15 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-11-15 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-11-15 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-11-15 | 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.