EPA Air · stack tests by year
Air-emissions stack tests in 2022
- 29,136Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2022
- California 10,813
- Ohio 2,355
- Indiana 1,925
- Florida 1,564
- Oklahoma 1,350
- Georgia 1,096
- New Mexico 981
- Pennsylvania 830
- Alabama 630
- Mississippi 577
- Arkansas 562
- Colorado 460
- Iowa 434
- Missouri 359
- Texas 288
- Michigan 288
- Wisconsin 262
- Washington 260
- North Carolina 252
- Kentucky 245
- Wyoming 241
- Minnesota 236
- South Carolina 228
- West Virginia 210
- Delaware 209
- Utah 162
- Montana 155
- Nebraska 143
- Nevada 137
- Illinois 136
- Tennessee 134
- Louisiana 131
- Alaska 131
- Virginia 126
- Maine 116
- Connecticut 115
- Arizona 114
- New York 113
- North Dakota 110
- New Jersey 104
- Idaho 99
- Hawaii 69
- District of Columbia 60
- South Dakota 55
- Maryland 52
- Oregon 49
- New Hampshire 48
- Puerto Rico 39
- Kansas 37
- Rhode Island 23
- Massachusetts 19
- Vermont 4
Other years
Air-emissions stack tests recorded in 2022
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2022-09-20 | TALL OAK WOODFORD LLC / PANTHER CREEK PROCESSING FACILITY | COALGATE, Coal, OK | Pass | State |
| 2022-09-20 | VALIDUS ENERGY II MIDCON LLC / LODI EAST PAD | DIBBLE, McClain, OK | Pass | State |
| 2022-09-20 | SENECA SUSTAINABLE ENERGY | EUGENE, Lane, OR | Pass | Local |
| 2022-09-20 | INTERNATIONAL PAPER | SPRINGFIELD, Lane, OR | Pass | Local |
| 2022-09-20 | TEXAS EASTERN TRANS LP/PERULACK STA | EAST WATERFORD, Juniata, PA | Pass | State |
| 2022-09-20 | MARKWEST LIBERTY BLUESTONE LLC/BLUESTONE GAS PROC PLT | EVANS CITY, Butler, PA | Pass | State |
| 2022-09-20 | CNX MIDSTREAM OPR CO LLC /MORRIS DEHY STATION | GRAYSVILLE, Greene, PA | Pass | State |
| 2022-09-20 | SUSQUEHANNA GATHERING/NORTH RANGE CPF 1 COMP STA | SUSQUEHANNA, Susquehanna, PA | Pass | State |
| 2022-09-20 | ALLEGHENY CNTY SANI AUTH/ALLEGHENY CNTY | PITTSBURGH, Allegheny, PA | Pass | Local |
| 2022-09-20 | SANTEE COOPER CROSS GENERATING STATION — high-priority violation on file | PINEVILLE, Berkeley, SC | Pass | State |
| 2022-09-20 | BASIN ELECTRIC - DEER CREEK STATION | ELKTON, Brookings, SD | Pass | State |
| 2022-09-20 | RING NECK ENERGY & FEED LLC — high-priority violation on file | ONIDA, Sully, SD | Pass | State |
| 2022-09-20 | CHEVRON USA | UTAH, Undetermined, UT | Pass | State |
| 2022-09-20 | CHEVRON USA | UTAH, Undetermined, UT | Pass | State |
| 2022-09-20 | GRAYMONT WESTERN (CONTINENTAL LIME) | DELTA, Millard, UT | Pass | State |
| 2022-09-20 | AXALTA COATING SYSTEMS USA LLC | FRONT ROYAL, Warren, VA | Pass | State |
| 2022-09-20 | NORTHWEST PIPELINE CORP SUMAS | SUMAS, Whatcom, WA | Pass | Local |
| 2022-09-20 | GRAYMONT (WI) LLC — high-priority violation on file | SUPERIOR, Douglas, WI | Pass | State |
| 2022-09-20 | KENDALL PACKAGING - JEFFERSON DIVISION | JEFFERSON, Jefferson, WI | Pass | State |
| 2022-09-20 | SONOCO METAL PACKAGING LLC | MILWAUKEE, Monroe, WI | Pass | State |
| 2022-09-20 | KOHLER CO - METALS PROCESSING COMPLEX | KOHLER, Taylor, WI | Pass | State |
| 2022-09-20 | LCS SERVICES, INC., NORTH MOUNTAIN SANITARY LANDFI | HEDGESVILLE, Berkeley, WV | Pass | State |
| 2022-09-20 | EASTERN GAS TRANSMISSION AND STORAGE, INC., SCHUTTE STATION | SEDALIA, Doddridge, WV | Pass | State |
| 2022-09-20 | CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file | EVANSVILLE, Natrona, WY | Pass | State |
| 2022-09-19 | UNIVERSITY OF ALASKA / UNIVERSITY OF ALASKA FAIRBANKS CAMPUS — high-priority violation on file | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2022-09-19 | UNIVERSITY OF ALASKA / UNIVERSITY OF ALASKA FAIRBANKS CAMPUS — high-priority violation on file | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2022-09-19 | UNIVERSITY OF ALASKA / UNIVERSITY OF ALASKA FAIRBANKS CAMPUS — high-priority violation on file | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2022-09-19 | UNIVERSITY OF ALASKA / UNIVERSITY OF ALASKA FAIRBANKS CAMPUS — high-priority violation on file | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2022-09-19 | FREEPORT-MCMORAN - MORENCI | MORENCI, Greenlee, AZ | Pass | State |
| 2022-09-19 | EQUILON ENTER. LLC, SHELL OIL PROD. US | CARSON, Los Angeles, CA | Pass | Local |
| 2022-09-19 | DCP OPERATING CO - ENTERPRISE C.S. — high-priority violation on file | KEENESBURG 5.2 MI. N OF, Weld, CO | Pass | State |
| 2022-09-19 | SUMMIT MIDSTREAM NIOBR - HEREFORD RANCH | GROVER 11.0 MI. NW OF, Weld, CO | Pass | State |
| 2022-09-19 | SUMMIT MIDSTREAM NIOBR - ANGUS COMPR STN | GROVER 8.8 MI. N OF, Weld, CO | Pass | State |
| 2022-09-19 | SUMMIT MIDSTREAM NIOBR - ANGUS COMPR STN | GROVER 8.8 MI. N OF, Weld, CO | Pass | State |
| 2022-09-19 | SUMMIT MIDSTREAM NIOBR - ANGUS COMPR STN | GROVER 8.8 MI. N OF, Weld, CO | Pass | State |
| 2022-09-19 | MOSAIC FERTILIZER LLC — high-priority violation on file | MULBERRY, Polk, FL | Fail | State |
| 2022-09-19 | MOSAIC FERTILIZER LLC — high-priority violation on file | MULBERRY, Polk, FL | Pass | State |
| 2022-09-19 | AMSTED RAIL COMPANY, INC | KEOKUK, Lee, IA | Pass | State |
| 2022-09-19 | ITAFOS CONDA LLC - TV FACILITY | SODA SPRINGS, Caribou, ID | Pass | State |
| 2022-09-19 | SOUTHERN ILLINOIS POWER COOP | MARION, Williamson, IL | Pass | State |
| 2022-09-19 | TOYOTA MATERIAL HANDLING INCORPORATED | COLUMBUS, Bartholomew, IN | Pass | State |
| 2022-09-19 | TOYOTA MATERIAL HANDLING INCORPORATED | COLUMBUS, Bartholomew, IN | Pass | State |
| 2022-09-19 | TOYOTA MATERIAL HANDLING INCORPORATED | COLUMBUS, Bartholomew, IN | Pass | State |
| 2022-09-19 | TOYOTA MATERIAL HANDLING INCORPORATED | COLUMBUS, Bartholomew, IN | Pass | State |
| 2022-09-19 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-19 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-19 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-19 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-19 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-19 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-19 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-19 | NORTHERN INDIANA PUBLIC SERVICE COMPANY LLC MICHIGAN CITY GE — high-priority violation on file | MICHIGAN CITY, LaPorte, IN | Pass | State |
| 2022-09-19 | AES INDIANA PETERSBURG GENERATING STATION — high-priority violation on file | PETERSBURG, Pike, IN | Pass | State |
| 2022-09-19 | STEEL DYNAMICS, INC. STRUCTURAL & RAIL DIVISION — high-priority violation on file | COLUMBIA CITY, Whitley, IN | Pass | State |
| 2022-09-19 | GLASGOW REGIONAL LANDFILL | GLASGOW, Barren, KY | Pass | State |
| 2022-09-19 | BAY ST ELAINE GAS JUNCTION & DEHYDRATION FACILITY | DULAC, Terrebonne, LA | Pass | State |
| 2022-09-19 | DELTA SOLID WASTE MANAGEMENT AUTHORITY | ESCANABA, Delta, MI | Pass | State |
| 2022-09-19 | KAWASAKI MOTORS CORP USA | GRAND RAPIDS, Kent, MI | Pending | State |
| 2022-09-19 | MINNESOTA POWER - BOSWELL ENERGY CENTER | COHASSET, Itasca, MN | Pass | State |
| 2022-09-19 | TELLUS OPERATING GROUP LLC, BAXTERVILLE COMPRESSOR STATION | LUMBERTON, Lamar, MS | Pass | State |
| 2022-09-19 | TELLUS OPERATING GROUP LLC, BAXTERVILLE COMPRESSOR STATION | LUMBERTON, Lamar, MS | Pass | State |
| 2022-09-19 | TELLUS OPERATING GROUP LLC, BAXTERVILLE COMPRESSOR STATION | LUMBERTON, Lamar, MS | Pass | State |
| 2022-09-19 | TELLUS OPERATING GROUP LLC, BAXTERVILLE COMPRESSOR STATION | LUMBERTON, Lamar, MS | Pass | State |
| 2022-09-19 | TELLUS OPERATING GROUP LLC, BAXTERVILLE COMPRESSOR STATION | LUMBERTON, Lamar, MS | Pass | State |
| 2022-09-19 | TELLUS OPERATING GROUP LLC, BAXTERVILLE COMPRESSOR STATION | LUMBERTON, Lamar, MS | Pass | State |
| 2022-09-19 | LONGHORN COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2022-09-19 | SALADO DRAW COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2022-09-19 | SALADO DRAW COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2022-09-19 | SALADO DRAW COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2022-09-19 | GARFIELD BOOSTER STATION | LOVING, Lea, NM | Pass | State |
| 2022-09-19 | GARFIELD BOOSTER STATION | LOVING, Lea, NM | Pass | State |
| 2022-09-19 | ET GATHERING PROCESSING LLC / COTTONWOOD COMPRESSOR STATION | LAMBERT, Alfalfa, OK | Pass | State |
| 2022-09-19 | ET GATHERING PROCESSING LLC / COTTONWOOD COMPRESSOR STATION | LAMBERT, Alfalfa, OK | Pass | State |
| 2022-09-19 | ET GATHERING PROCESSING LLC / LANG COMPRESSOR STATION | PURDY, Garvin, OK | Pass | State |
| 2022-09-19 | ET GATHERING PROCESSING LLC / BRAY COMPRESSOR STATION | BRAY, Stephens, OK | Pass | State |
| 2022-09-19 | NORTHWEST PIPELINE CORP SUMAS | SUMAS, Whatcom, WA | Pass | Local |
| 2022-09-19 | ARDAGH GLASS INC — high-priority violation on file | BURLINGTON, Richland, WI | Pass | State |
| 2022-09-18 | SUNNYSIDE COGENERATION | SUNNYSIDE, Carbon, UT | Pass | State |
| 2022-09-17 | GOLDEN VALLEY ELECTRIC ASSOCIATION / HEALY POWER PLANT — high-priority violation on file | HEALY, Denali, AK | Pass | State |
| 2022-09-17 | LONG BEACH SERRF PROJECT | LONG BEACH, Los Angeles, CA | Pass | Local |
| 2022-09-17 | LONG BEACH SERRF PROJECT | LONG BEACH, Los Angeles, CA | Pass | Local |
| 2022-09-17 | LONG BEACH SERRF PROJECT | LONG BEACH, Los Angeles, CA | Pass | Local |
| 2022-09-17 | LONG BEACH SERRF PROJECT | LONG BEACH, Los Angeles, CA | Pass | Local |
| 2022-09-17 | NUCOR STEEL FLORIDA, INC. | FROSTPROOF, Polk, FL | Pass | State |
| 2022-09-17 | OWENS-CORNING STATELINE | JOPLIN, Jasper, MO | Fail | State |
| 2022-09-17 | OWENS-CORNING STATELINE | JOPLIN, Jasper, MO | Fail | State |
| 2022-09-17 | OWENS-CORNING STATELINE | JOPLIN, Jasper, MO | Fail | State |
| 2022-09-17 | OWENS-CORNING STATELINE | JOPLIN, Jasper, MO | Fail | State |
| 2022-09-17 | OWENS-CORNING STATELINE | JOPLIN, Jasper, MO | Fail | State |
| 2022-09-16 | GOLDEN VALLEY ELECTRIC ASSOCIATION / HEALY POWER PLANT — high-priority violation on file | HEALY, Denali, AK | Pass | State |
| 2022-09-16 | DESOTO GATHERING COMPANY LLC - PIKE CPF-1 | HATTIEVILLE, Conway, AR | Pass | State |
| 2022-09-16 | GERDAU MACSTEEL | FORT SMITH, Sebastian, AR | Pass | State |
| 2022-09-16 | GERDAU MACSTEEL | FORT SMITH, Sebastian, AR | Pass | State |
| 2022-09-16 | DESOTO GATHERING COMPANY, LLC - STEELHEAD CPF-3 | CLINTON, Van Buren, AR | Pass | State |
| 2022-09-16 | DESOTO GATHERING COMPANY, LLC - STEELHEAD CPF-3 | CLINTON, Van Buren, AR | Pass | State |
| 2022-09-16 | DESOTO GATHERING COMPANY, LLC - STEELHEAD CPF-3 | CLINTON, Van Buren, AR | Pass | State |
| 2022-09-16 | USMC - YERMO LOGISTICS CNTR | BARSTOW, San Bernardino, CA | Pass | Local |
| 2022-09-16 | CAMPOS BROTHERS | CARUTHERS, Fresno, CA | Pass | Local |
| 2022-09-16 | CAMPOS BROTHERS | CARUTHERS, Fresno, CA | Pass | Local |
| 2022-09-16 | CAMPOS BROTHERS | CARUTHERS, Fresno, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.