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 |
|---|---|---|---|---|
| 2022-12-07 | SOUTHERN ILLINOIS POWER COOP | MARION, Williamson, IL | Pass | State |
| 2022-12-07 | NIKKEI MC ALUMINUM AMERICA INC | COLUMBUS, Bartholomew, IN | Pass | State |
| 2022-12-07 | NIKKEI MC ALUMINUM AMERICA INC | COLUMBUS, Bartholomew, IN | Pass | State |
| 2022-12-07 | NIKKEI MC ALUMINUM AMERICA INC | COLUMBUS, Bartholomew, IN | Pass | State |
| 2022-12-07 | NIKKEI MC ALUMINUM AMERICA INC | COLUMBUS, Bartholomew, IN | Pass | State |
| 2022-12-07 | AES INDIANA PETERSBURG GENERATING STATION — high-priority violation on file | PETERSBURG, Pike, IN | Pass | State |
| 2022-12-07 | INDIANA MICHIGAN POWER COMPANY DBA AEP ROCKPORT PLANT | ROCKPORT, Spencer, IN | Pass | State |
| 2022-12-07 | INDIANA MICHIGAN POWER COMPANY DBA AEP ROCKPORT PLANT | ROCKPORT, Spencer, IN | Pass | State |
| 2022-12-07 | INDIANA MICHIGAN POWER COMPANY DBA AEP ROCKPORT PLANT | ROCKPORT, Spencer, IN | Pass | State |
| 2022-12-07 | INDIANA MICHIGAN POWER COMPANY DBA AEP ROCKPORT PLANT | ROCKPORT, Spencer, IN | Pass | State |
| 2022-12-07 | LIBERTY LANDFILL LLC | MONTICELLO, White, IN | Pass | State |
| 2022-12-07 | LIBERTY LANDFILL LLC | MONTICELLO, White, IN | Pass | State |
| 2022-12-07 | LIBERTY LANDFILL LLC | MONTICELLO, White, IN | Pass | State |
| 2022-12-07 | LIBERTY LANDFILL LLC | MONTICELLO, White, IN | Pass | State |
| 2022-12-07 | REPUBLIC SERVICES OF KY LLC - OHIO CO LANDFILL INC | BEAVER DAM, Ohio, KY | Pass | State |
| 2022-12-07 | REPUBLIC SERVICES OF KY - VALLEY VIEW LANDFILL | SULPHUR, Trimble, KY | Pass | State |
| 2022-12-07 | ECKART AMERICA CORPORATION | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2022-12-07 | CLARK UNIVERSITY — high-priority violation on file | WORCESTER, CITY OF, Worcester, MA | Pass | State |
| 2022-12-07 | ECO MAINE | PORTLAND, Cumberland, ME | Pass | State |
| 2022-12-07 | SAPPI NORTH AMERICA, INC. | SKOWHEGAN, Somerset, ME | Pass | State |
| 2022-12-07 | MICHIGAN SUGAR COMPANY - SEBEWAING FACTORY — high-priority violation on file | SEBEWAING, Huron, MI | Fail | State |
| 2022-12-07 | FORD MOTOR COMPANY - FLAT ROCK ASSEMBLY | FLAT ROCK, Wayne, MI | Pending | State |
| 2022-12-07 | SEBEWAING LIGHT AND WATER DEPARTMENT | SEBEWAING, Huron, MI | Pass | State |
| 2022-12-07 | LOUISIANA-PACIFIC CORP - TWO HARBORS | TWO HARBORS, Lake, MN | Pass | State |
| 2022-12-07 | TENNESSEE VALLEY AUTHORITY, TVA, KEMPER COMBUSTION TURBINE PLANT | DEKALB, Kemper, MS | Pass | State |
| 2022-12-07 | COOPERATIVE ENERGY, A MISSISSIPPI ELECTRIC COOPERATIVE, R D MORROW SR GENERATING | PURVIS, Lamar, MS | Pass | State |
| 2022-12-07 | COOPERATIVE ENERGY, A MISSISSIPPI ELECTRIC COOPERATIVE, R D MORROW SR GENERATING | PURVIS, Lamar, MS | Pass | State |
| 2022-12-07 | COOPERATIVE ENERGY, A MISSISSIPPI ELECTRIC COOPERATIVE, R D MORROW SR GENERATING | PURVIS, Lamar, MS | Pass | State |
| 2022-12-07 | COOPERATIVE ENERGY, A MISSISSIPPI ELECTRIC COOPERATIVE, R D MORROW SR GENERATING | PURVIS, Lamar, MS | Pass | State |
| 2022-12-07 | COOPERATIVE ENERGY, A MISSISSIPPI ELECTRIC COOPERATIVE, R D MORROW SR GENERATING | PURVIS, Lamar, MS | Pass | State |
| 2022-12-07 | DAVIDSON GAS PRODUCERS, LLC - DAVIDSON CO. LANDFILL | LEXINGTON, Davidson, NC | Pass | State |
| 2022-12-07 | TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA | WATFORD CITY, McKenzie, ND | Pass | State |
| 2022-12-07 | TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA | WATFORD CITY, McKenzie, ND | Pass | State |
| 2022-12-07 | TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA | WATFORD CITY, McKenzie, ND | Pass | State |
| 2022-12-07 | TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA | WATFORD CITY, McKenzie, ND | Pass | State |
| 2022-12-07 | BENKELMAN MUNICIPAL POWER | BENKELMAN, Dundy, NE | Pass | State |
| 2022-12-07 | ADM CORN PROCESSING — high-priority violation on file | COLUMBUS, Platte, NE | N/A | State |
| 2022-12-07 | SEWAREN TERMINAL | SEWAREN, Middlesex, NJ | Fail | State |
| 2022-12-07 | US ARMY PICATINNY ARSENAL — high-priority violation on file | PICATINNY ARSENAL, Morris, NJ | Pass | State |
| 2022-12-07 | LONGHORN COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2022-12-07 | LONGHORN COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2022-12-07 | LONGHORN COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2022-12-07 | LONGHORN COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2022-12-07 | SALADO DRAW COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2022-12-07 | SALADO DRAW COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2022-12-07 | GAVILON TB | MONUMENT, Lea, NM | Pass | State |
| 2022-12-07 | SUNOCO BROOKLYN TERMINAL | BROOKLYN, Kings, NY | Pass | State |
| 2022-12-07 | INEOS PIGMENTS USA INC., ASHTABULA COMPLEX PLANT 1 | ASHTABULA, Ashtabula, OH | Pass | State |
| 2022-12-07 | INEOS PIGMENTS USA INC., ASHTABULA COMPLEX PLANT 1 | ASHTABULA, Ashtabula, OH | Pass | State |
| 2022-12-07 | INEOS PIGMENTS USA INC., ASHTABULA COMPLEX PLANT 1 | ASHTABULA, Ashtabula, OH | Pass | State |
| 2022-12-07 | INEOS PIGMENTS USA INC., ASHTABULA COMPLEX PLANT 1 | ASHTABULA, Ashtabula, OH | Pass | State |
| 2022-12-07 | INEOS PIGMENTS USA INC., ASHTABULA COMPLEX PLANT 1 | ASHTABULA, Ashtabula, OH | Pass | State |
| 2022-12-07 | ASCENT RESOURCES - UTICA LLC - JACK HAMILTON SMF JF | ADENA, Jefferson, OH | Pass | State |
| 2022-12-07 | ASCENT RESOURCES - UTICA LLC - JACK HAMILTON SMF JF | ADENA, Jefferson, OH | Pass | State |
| 2022-12-07 | ASCENT RESOURCES - UTICA LLC - JACK HAMILTON SMF JF | ADENA, Jefferson, OH | Pass | State |
| 2022-12-07 | ASCENT RESOURCES - UTICA LLC - GRISWOLD WYN JF | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2022-12-07 | ASCENT RESOURCES - UTICA LLC - GRISWOLD WYN JF | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2022-12-07 | ASCENT RESOURCES - UTICA LLC - GRISWOLD WYN JF | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2022-12-07 | CORIX CLEVELAND THERMAL GENERATING LP | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2022-12-07 | CORIX CLEVELAND THERMAL GENERATING LP | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2022-12-07 | ONEOK FIELD SERVICES CO LLC / PAYNE COMPRESSOR STATION | WATONGA, Blaine, OK | Pass | State |
| 2022-12-07 | ONEOK FIELD SERVICES CO LLC / PAYNE COMPRESSOR STATION | WATONGA, Blaine, OK | Pass | State |
| 2022-12-07 | BCE MACH LLC / SUMMER MOON C PAD | EL RENO, Canadian, OK | Pass | State |
| 2022-12-07 | BCE MACH LLC / SUMMER MOON C PAD | EL RENO, Canadian, OK | Pass | State |
| 2022-12-07 | ENABLE GAS TRANSMISSION LLC / ALLEN COMPRESSOR STATION | ALLEN, Hughes, OK | Pass | State |
| 2022-12-07 | BCE MACH III LLC / MAD HATTER 1506 1 34MH PAD | KINGFISHER, Kingfisher, OK | Pass | State |
| 2022-12-07 | BCE MACH III LLC / RED QUEEN 1506 1 1MH PAD | KINGFISHER, Kingfisher, OK | Pass | State |
| 2022-12-07 | BCE MACH III LLC / LIL SEBASTIAN 1606 2 24MH PAD | KINGFISHER, Kingfisher, OK | Pass | State |
| 2022-12-07 | MARKWEST OKLAHOMA GAS CO LLC / MYER MOUNTAIN COMPRESSOR STATION — high-priority violation on file | SCIPIO, Pittsburg, OK | Pass | State |
| 2022-12-07 | MARKWEST OKLAHOMA GAS CO LLC / MYER MOUNTAIN COMPRESSOR STATION — high-priority violation on file | SCIPIO, Pittsburg, OK | Pass | State |
| 2022-12-07 | MARKWEST OKLAHOMA GAS CO LLC / MYER MOUNTAIN COMPRESSOR STATION — high-priority violation on file | SCIPIO, Pittsburg, OK | Pass | State |
| 2022-12-07 | TALL OAK WOODFORD LLC / SOLERA COMPRESSOR FACILITY | MCALESTER, Pittsburg, OK | Pass | State |
| 2022-12-07 | TALL OAK WOODFORD LLC / SOLERA COMPRESSOR FACILITY | MCALESTER, Pittsburg, OK | Pass | State |
| 2022-12-07 | GEORGIA-PACIFIC WAUNA LLC — high-priority violation on file | CLATSKANIE, Clatsop, OR | Pass | State |
| 2022-12-07 | TEXAS EASTERN TRANS LP/ENTRIKEN STA | ENTRIKEN, Huntingdon, PA | Pass | State |
| 2022-12-07 | NFG MIDSTREAM TROUT RUN LLC/TROUT RUN MTN COMP STA | TROUT RUN, Lycoming, PA | Pass | State |
| 2022-12-07 | UGI AUBURN GATHERING LLC/ANDERSON COMP STA | NEW RINGGOLD, Susquehanna, PA | Pass | State |
| 2022-12-07 | ALLEGHENY ENERGY SUPPLY/SPRINGDALE | PITTSBURGH, Allegheny, PA | Pass | Local |
| 2022-12-07 | MILLIKEN & COMPANY - MAGNOLIA FINISHING PLANT | BLACKSBURG, Cherokee, SC | Pass | State |
| 2022-12-07 | ROANOKE CEMENT COMPANY | TROUTVILLE, Botetourt, VA | Pass | State |
| 2022-12-07 | ANTERO MIDSTREAM LLC, WEST MOUNTAIN STATION | PENNSBORO, Ritchie, WV | Pass | State |
| 2022-12-06 | DESOTO GATHERING COMPANY, LLC - WEST CUTTHROAT CPF-1 | QUITMAN, Cleburne, AR | Pass | State |
| 2022-12-06 | DESOTO GATHERING COMPANY, LLC. - PUMA CPF-1 | HEBER SPRINGS, Cleburne, AR | Pass | State |
| 2022-12-06 | MISSION CREEK OPCO, LLC - DORCHEAT GAS PLANT | MAGNOLIA, Columbia, AR | Pass | State |
| 2022-12-06 | AMERICAN KRAFT PAPER INDUSTRIES, LLC. | WHITE HALL, Jefferson, AR | Pass | State |
| 2022-12-06 | DESOTO GATHERING COMPANY, LLC - TIGER CPF-1 | BRADFORD, White, AR | Pass | State |
| 2022-12-06 | DESOTO GATHERING COMPANY, LLC - TIGER CPF-1 | BRADFORD, White, AR | Pass | State |
| 2022-12-06 | DESOTO GATHERING COMPANY, LLC - TIGER CPF-1 | BRADFORD, White, AR | Pass | State |
| 2022-12-06 | STATE OF CA GENERAL SERVICES | SACRAMENTO, Sacramento, CA | Pass | Local |
| 2022-12-06 | CITY OF CLOVIS - LANDFILL | CLOVIS, Fresno, CA | Pass | Local |
| 2022-12-06 | CITY OF CLOVIS - LANDFILL | CLOVIS, Fresno, CA | Pass | Local |
| 2022-12-06 | CITY OF CLOVIS - LANDFILL | CLOVIS, Fresno, CA | Pass | Local |
| 2022-12-06 | CITY OF CLOVIS - LANDFILL | CLOVIS, Fresno, CA | Pass | Local |
| 2022-12-06 | CITY OF CLOVIS - LANDFILL | CLOVIS, Fresno, CA | Pass | Local |
| 2022-12-06 | CITY OF CLOVIS - LANDFILL | CLOVIS, Fresno, CA | Pass | Local |
| 2022-12-06 | CITY OF CLOVIS - LANDFILL | CLOVIS, Fresno, CA | Pass | Local |
| 2022-12-06 | CITY OF CLOVIS - LANDFILL | CLOVIS, Fresno, CA | Pass | Local |
| 2022-12-06 | CITY OF CLOVIS - LANDFILL | CLOVIS, Fresno, CA | Pass | Local |
| 2022-12-06 | CITY OF CLOVIS - LANDFILL | CLOVIS, Fresno, CA | Pass | Local |
| 2022-12-06 | CITY OF CLOVIS - LANDFILL | CLOVIS, Fresno, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.