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 |
|---|---|---|---|---|
| 2023-10-11 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-11 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-11 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-11 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-11 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-11 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-11 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-11 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-11 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-11 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-11 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-11 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-11 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-11 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-11 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-11 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-11 | BLACK HILLS ELECTRIC GENERATION - PAGS | PUEBLO, Pueblo, CO | Pass | State |
| 2023-10-11 | BLACK HILLS ELECTRIC GENERATION - PAGS | PUEBLO, Pueblo, CO | Pass | State |
| 2023-10-11 | PDC ENERGY - LINCOLN STATE 3-18 PAD | SEVERANCE AREA, Weld, CO | Pass | State |
| 2023-10-11 | PDC ENERGY - LINCOLN STATE 3-18 PAD | SEVERANCE AREA, Weld, CO | Pass | State |
| 2023-10-11 | WASTE CONNECTIONS OF OSCEOLA COUNTY, LLC | SAINT CLOUD, Osceola, FL | Pass | State |
| 2023-10-11 | WASTE CONNECTIONS OF OSCEOLA COUNTY, LLC | SAINT CLOUD, Osceola, FL | Pass | State |
| 2023-10-11 | WASTE CONNECTIONS OF OSCEOLA COUNTY, LLC | SAINT CLOUD, Osceola, FL | Pass | State |
| 2023-10-11 | MARTA - LAREDO DRIVE CNG STATION | DECATUR, DeKalb, GA | Pass | State |
| 2023-10-11 | ARCHER DANIELS MIDLAND DM SOYBEAN PLANT | DES MOINES, Polk, IA | Fail | State |
| 2023-10-11 | HARRISON STEEL CASTINGS COMPANY — high-priority violation on file | ATTICA, Fountain, IN | Pass | State |
| 2023-10-11 | HARRISON STEEL CASTINGS COMPANY — high-priority violation on file | ATTICA, Fountain, IN | Pass | State |
| 2023-10-11 | HARRISON STEEL CASTINGS COMPANY — high-priority violation on file | ATTICA, Fountain, IN | Pass | State |
| 2023-10-11 | CARMEUSE LIME INCORPORATED — high-priority violation on file | GARY, Lake, IN | Pass | State |
| 2023-10-11 | CARMEUSE LIME INCORPORATED — high-priority violation on file | GARY, Lake, IN | Pass | State |
| 2023-10-11 | UNILEVER MANUFACTURING US INC | HAMMOND, Lake, IN | Pass | State |
| 2023-10-11 | UNILEVER MANUFACTURING US INC | HAMMOND, Lake, IN | Pass | State |
| 2023-10-11 | UNILEVER MANUFACTURING US INC | HAMMOND, Lake, IN | Pass | State |
| 2023-10-11 | UNILEVER MANUFACTURING US INC | HAMMOND, Lake, IN | Pass | State |
| 2023-10-11 | HARSHMAN CONST. - MILLER QUARRY (AIR) | MILLER QUARRY, Anderson, KS | Pass | State |
| 2023-10-11 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2023-10-11 | FELTON PETERSON 25 #1 FACILITY | DUBACH, Lincoln, LA | Pass | State |
| 2023-10-11 | BRITT 3 | DUBACH, Lincoln, LA | Pass | State |
| 2023-10-11 | NORTHERN OAKS RECYCLING AND DISPOSAL FACILITY | HARRISON, Clare, MI | Pass | State |
| 2023-10-11 | RJ ZAVORAL AND SONS INC HMA PORTABLE PLANT 3 | EAST GRAND FORKS, Polk, MN | Pass | State |
| 2023-10-11 | BATESVILLE MANUFACTURING LLC, VICKSBURG | VICKSBURG, Warren, MS | Pass | State |
| 2023-10-11 | BATESVILLE MANUFACTURING LLC, VICKSBURG | VICKSBURG, Warren, MS | Fail | State |
| 2023-10-11 | PCS PHOSPHATE COMPANY, INC. - AURORA | AURORA, Beaufort, NC | Pass | State |
| 2023-10-11 | WILSONART LLC | FLETCHER, Henderson, NC | Pass | State |
| 2023-10-11 | GREDE II - BISCOE, LLC — high-priority violation on file | BISCOE, Montgomery, NC | Pass | State |
| 2023-10-11 | OSSIPEE AGGREGATES CORPORATION | OSSIPEE, Carroll, NH | Pass | State |
| 2023-10-11 | MARLAN GAS PLANT | CARLSBAD, Eddy, NM | Pass | State |
| 2023-10-11 | MOCKINGBIRD CENTRAL GATHERING FACILITY | MALAGA, Eddy, NM | Pass | State |
| 2023-10-11 | MOCKINGBIRD CENTRAL GATHERING FACILITY | MALAGA, Eddy, NM | Pass | State |
| 2023-10-11 | SCHLITZ CTB — high-priority violation on file | WHITES CITY, Eddy, NM | Pass | State |
| 2023-10-11 | TGP COMPRESSOR STATION 245 | WINFIELD, Herkimer, NY | Pass | State |
| 2023-10-11 | FORD MOTOR COMPANY - OHIO ASSEMBLY PLANT — high-priority violation on file | AVON LAKE, Lorain, OH | Pass | State |
| 2023-10-11 | ASCENT RESOURCES - UTICA LLC - BANNOCK UNN BL | LAFFERTY, Belmont, OH | Pass | State |
| 2023-10-11 | ASCENT RESOURCES - UTICA LLC - BANNOCK UNN BL | LAFFERTY, Belmont, OH | Pass | State |
| 2023-10-11 | ASCENT RESOURCES - UTICA LLC - BANNOCK UNN BL | LAFFERTY, Belmont, OH | Pass | State |
| 2023-10-11 | ASCENT RESOURCES - UTICA LLC - ROSE NTG HR | CADIZ, Harrison, OH | Pass | State |
| 2023-10-11 | ASCENT RESOURCES - UTICA LLC - ROSE NTG HR | CADIZ, Harrison, OH | Pass | State |
| 2023-10-11 | ASCENT RESOURCES - UTICA LLC - ROSE NTG HR | CADIZ, Harrison, OH | Pass | State |
| 2023-10-11 | PEOPLES ELECTRIC COOP / LITTLE DIXIE FACILITY | CENTRAHOMA, Coal, OK | Pass | State |
| 2023-10-11 | PEOPLES ELECTRIC COOP / LITTLE DIXIE FACILITY | CENTRAHOMA, Coal, OK | Pass | State |
| 2023-10-11 | MARKWEST OKLAHOMA GAS CO LLC / STUART SOUTH COMPRESSOR STATION | STUART, Hughes, OK | Pass | State |
| 2023-10-11 | BCE MACH LLC / BELLE 34 29 16 1H HOWARD 4 28 16 1H ST | ALVA, Woods, OK | Pass | State |
| 2023-10-11 | BCE MACH LLC / SUMMIT 3 27 15 1H STA | ALVA, Woods, OK | Pass | State |
| 2023-10-11 | METROPOLITAN SERVICE DISTRICT | PORTLAND, Multnomah, OR | Fail | State |
| 2023-10-11 | TEXAS EASTERN TRANS LP/TE DELMONT COMP STA | GREENSBURG, Westmoreland, PA | Pass | State |
| 2023-10-11 | HUNLOCK CREEK GENERATING LLC/HUNLOCK CREEK ENERGY CENTER — high-priority violation on file | HUNLOCK CREEK, Luzerne, PA | Pass | State |
| 2023-10-11 | TEXAS EASTERN TRANS LP/GRANTVILLE | GRANTVILLE, Dauphin, PA | Pass | State |
| 2023-10-11 | COLUMBIA GAS TRANS CORP/ELLWOOD CITY STA | ELLWOOD CITY, Beaver, PA | Pass | State |
| 2023-10-11 | MARKWEST LIBERTY MIDSTREAM/SMITH COMP STA | BURGETTSTOWN, Washington, PA | Pass | State |
| 2023-10-11 | PA GEN ENERGY CO LLC/COP TRACT 293 COMP STA | WATERVILLE, Lycoming, PA | Pass | State |
| 2023-10-11 | RIVERSIDE MATERIALS INC/ASPHALT PLT | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2023-10-11 | NEW-INDY CATAWBA LLC | CATAWBA, York, SC | Pass | State |
| 2023-10-11 | CEMEX CONSTRUCTION MATERIALS ATLANTIC, LLC - KNOXVILLE CEMENT PLANT | KNOXVILLE, Knox, TN | Pending | Local |
| 2023-10-11 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | BEAUMONT, Jefferson, TX | N/A | State |
| 2023-10-11 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | BEAUMONT, Jefferson, TX | N/A | State |
| 2023-10-11 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | BEAUMONT, Jefferson, TX | Pass | State |
| 2023-10-11 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | BEAUMONT, Jefferson, TX | Pass | State |
| 2023-10-11 | COMPASS MINERALS | UTAH, Undetermined, UT | Fail | State |
| 2023-10-11 | NOMAN M. COLE JR. WATER RECYCLING FACILITY | LORTON, Fairfax, VA | Pass | State |
| 2023-10-11 | DIGITAL REALTY (DIGITAL LOUDOUN 3 & 4, LLC) | ASHBURN, Loudoun, VA | Pass | State |
| 2023-10-11 | AMAZON DATA SERVICES INC IAD-161/162 | ASHBURN, Loudoun, VA | Pass | State |
| 2023-10-11 | W-L CONSTRUCTION & PAVING INC | GRUNDY, Buchanan, VA | Pass | State |
| 2023-10-11 | NEENAH FOUNDRY COMPANY - NEENAH OPERATIONS (W2179) — high-priority violation on file | NEENAH, Wood, WI | Pass | State |
| 2023-10-11 | ROXUL USA INC., RAN FACILITY | RANSON, Jefferson, WV | Pass | State |
| 2023-10-11 | APPALACHIA MIDSTREAM SERVICES, L.L.C., PLEASANTS | ADALINE, Marshall, WV | Pass | State |
| 2023-10-11 | WELL DRAW - AURORA COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-10-11 | WELL DRAW - AURORA COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-10-11 | WELL DRAW - AURORA COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-10-11 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-10-11 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-10-11 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-10-11 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-10-11 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-10-11 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-10-11 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-10-11 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-10-11 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-10-11 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-10-11 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-10-11 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.