EPA Air · stack tests by year
Air-emissions stack tests in 2020
- 33,437Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2020
- California 15,352
- Ohio 2,194
- Florida 1,532
- Oklahoma 1,517
- Indiana 1,473
- Georgia 1,147
- New Mexico 846
- Pennsylvania 725
- Alabama 674
- Texas 617
- Missouri 607
- Arkansas 589
- Mississippi 438
- Colorado 429
- Washington 407
- Iowa 355
- North Carolina 274
- Wyoming 235
- Wisconsin 229
- Michigan 222
- South Carolina 221
- Montana 217
- Minnesota 213
- Delaware 211
- Kentucky 184
- West Virginia 175
- Utah 158
- Tennessee 149
- Kansas 144
- Nebraska 142
- Alaska 141
- Maine 136
- Nevada 134
- Virginia 132
- Illinois 129
- North Dakota 129
- New Jersey 122
- Connecticut 110
- Arizona 97
- New York 93
- Hawaii 84
- Louisiana 83
- Idaho 81
- New Hampshire 72
- Maryland 46
- South Dakota 46
- Oregon 39
- Rhode Island 30
- District of Columbia 30
- Vermont 17
- Massachusetts 7
- Puerto Rico 3
Other years
Air-emissions stack tests recorded in 2020
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2020-10-15 | WELLBORN CABINETS INC | ASHLAND, Clay, AL | Pass | State |
| 2020-10-15 | INTERNATIONAL PAPER COMPANY — high-priority violation on file | SELMA, Dallas, AL | Pass | State |
| 2020-10-15 | NUCOR COATINGS CORPORATION - BLYTHEVILLE PLANT | BLYTHEVILLE, Mississippi, AR | Pass | State |
| 2020-10-15 | MOSS LANDING POWER COMPANY LLC (FRMLY DYNEGY MOSS LANDING LLC) | MOSS LANDING, Monterey, CA | Pass | Local |
| 2020-10-15 | AERA ENERGY LLC | SAN ARDO, Monterey, CA | Pass | Local |
| 2020-10-15 | PROCTER & GAMBLE | SACRAMENTO, Sacramento, CA | Pass | Local |
| 2020-10-15 | SACRAMENTO AREA SEWER DISTRICT | ELK GROVE, Sacramento, CA | Pass | Local |
| 2020-10-15 | TESORO REFINING & MARKETING CO, LLC — high-priority violation on file | CARSON, Los Angeles, CA | Pass | Local |
| 2020-10-15 | TESORO REFINING & MARKETING CO, LLC — high-priority violation on file | CARSON, Los Angeles, CA | Pass | Local |
| 2020-10-15 | TESORO REFINING & MARKETING CO, LLC — high-priority violation on file | CARSON, Los Angeles, CA | Pass | Local |
| 2020-10-15 | TORRANCE REFINING COMPANY LLC | TORRANCE, Los Angeles, CA | Pass | Local |
| 2020-10-15 | TORRANCE REFINING COMPANY LLC | TORRANCE, Los Angeles, CA | Pass | Local |
| 2020-10-15 | TORRANCE REFINING COMPANY LLC | TORRANCE, Los Angeles, CA | Pass | Local |
| 2020-10-15 | TORRANCE REFINING COMPANY LLC | TORRANCE, Los Angeles, CA | Pass | Local |
| 2020-10-15 | COLORADO INTERSTATE GAS CO - CHEYENNE CS — high-priority violation on file | NUNN 14.8 MI. N OF, Weld, CO | Pass | State |
| 2020-10-15 | CHRISTIANA CARE HEALTH SERVICES - CHRISTIANA HOSPITAL | NEWARK, New Castle, DE | Pass | State |
| 2020-10-15 | CHRISTIANA CARE HEALTH SERVICES - CHRISTIANA HOSPITAL | NEWARK, New Castle, DE | Pass | State |
| 2020-10-15 | CHRISTIANA CARE HEALTH SERVICES - CHRISTIANA HOSPITAL | NEWARK, New Castle, DE | Pass | State |
| 2020-10-15 | CHRISTIANA CARE HEALTH SERVICES - CHRISTIANA HOSPITAL | NEWARK, New Castle, DE | Pass | State |
| 2020-10-15 | CHRISTIANA CARE HEALTH SERVICES - CHRISTIANA HOSPITAL | NEWARK, New Castle, DE | Pass | State |
| 2020-10-15 | CHRISTIANA CARE HEALTH SERVICES - CHRISTIANA HOSPITAL | NEWARK, New Castle, DE | Pass | State |
| 2020-10-15 | CHRISTIANA CARE HEALTH SERVICES - CHRISTIANA HOSPITAL | NEWARK, New Castle, DE | Pass | State |
| 2020-10-15 | CHRISTIANA CARE HEALTH SERVICES - CHRISTIANA HOSPITAL | NEWARK, New Castle, DE | Pass | State |
| 2020-10-15 | TPSI TERMINALS LLC | TAMPA, Hillsborough, FL | Pass | State |
| 2020-10-15 | FLORIDA POWER & LIGHT | FORT MYERS, Lee, FL | Pass | State |
| 2020-10-15 | FLORIDA POWER & LIGHT | FORT MYERS, Lee, FL | Pass | State |
| 2020-10-15 | GEORGIA-PACIFIC PALATKA LLC — high-priority violation on file | PALATKA, Putnam, FL | Pass | State |
| 2020-10-15 | GERDAU AMERISTEEL US INC. | CARTERSVILLE, Bartow, GA | Pass | State |
| 2020-10-15 | UNITED STATES SUGAR SAVANNAH REFINERY — high-priority violation on file | PORT WENTWORTH, Chatham, GA | Pass | State |
| 2020-10-15 | UNITED STATES SUGAR SAVANNAH REFINERY — high-priority violation on file | PORT WENTWORTH, Chatham, GA | Pass | State |
| 2020-10-15 | UNITED STATES SUGAR SAVANNAH REFINERY — high-priority violation on file | PORT WENTWORTH, Chatham, GA | Pass | State |
| 2020-10-15 | UNITED STATES SUGAR SAVANNAH REFINERY — high-priority violation on file | PORT WENTWORTH, Chatham, GA | Pass | State |
| 2020-10-15 | BALL CONTAINER LLC ROME CAN PLANT | ROME, Floyd, GA | Pass | State |
| 2020-10-15 | ABSOLUTE ENERGY LLC-SAINT ANSGAR (MONA) | SAINT ANSGAR, Mitchell, IA | Pass | State |
| 2020-10-15 | CLEARWATER PAPER CORP-PPD | LEWISTON, Nez Perce, ID | Pass | State |
| 2020-10-15 | KNIFE RIVER CORP - MTN WEST 00051 | BOISE, Ada, ID | Pass | State |
| 2020-10-15 | NORTH VERNON INDUSTRY CORPORATION | NORTH VERNON, Jennings, IN | Pass | State |
| 2020-10-15 | NORTH VERNON INDUSTRY CORPORATION | NORTH VERNON, Jennings, IN | Pass | State |
| 2020-10-15 | MONARCH CEMENT (AIR) | HUMBOLDT, Allen, KS | Pass | State |
| 2020-10-15 | MILLERSVILLE LANDFILL GAS TO ELECTRICITY FACILITY | SEVERN, Anne Arundel, MD | Pass | State |
| 2020-10-15 | BLUEWATER GAS STORAGE FACILITY - COLUMBUS | COLUMBUS, St. Clair, MI | Pass | State |
| 2020-10-15 | CONTINENTAL CEMENT COMPANY LLC — high-priority violation on file | HANNIBAL, Ralls, MO | Pass | State |
| 2020-10-15 | PCS PHOSPHATE COMPANY, INC. - AURORA | AURORA, Beaufort, NC | Pass | State |
| 2020-10-15 | COLUMBIA PLYWOOD CORPORATION - COLUMBIA CAROLINA DIVISION | OLD FORT, McDowell, NC | Pass | State |
| 2020-10-15 | GREDE II - BISCOE, LLC — high-priority violation on file | BISCOE, Montgomery, NC | Pending | State |
| 2020-10-15 | ASH GROVE CEMENT CO — high-priority violation on file | LOUISVILLE, Cass, NE | Pass | State |
| 2020-10-15 | MAGELLAN PIPELINE COMPANY LP | OMAHA, Douglas, NE | Pass | State |
| 2020-10-15 | TURNKEY RECYCLING & ENVIRONMENTAL ENTERPRISES | ROCHESTER, Strafford, NH | Pass | State |
| 2020-10-15 | CHAPARRAL GAS PLANT | LOCO HILLS, Eddy, NM | Pass | State |
| 2020-10-15 | FLORIDA CANYON MINE | IMLAY, Pershing, NV | Fail | State |
| 2020-10-15 | ERWIN MANUFACTURING COMPLEX | ERWIN, Steuben, NY | Pass | State |
| 2020-10-15 | ASCENT RESOURCES - UTICA, LLC - WAYNE A (NAC B WYN JF) | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2020-10-15 | ASCENT RESOURCES - UTICA, LLC - WAYNE A (NAC B WYN JF) | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2020-10-15 | ASCENT RESOURCES - UTICA, LLC - WAYNE A (NAC B WYN JF) | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2020-10-15 | ASCENT RESOURCES - UTICA LLC - DICKSON CRC JF | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2020-10-15 | ASCENT RESOURCES - UTICA LLC - DICKSON CRC JF | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2020-10-15 | ASCENT RESOURCES - UTICA LLC - DICKSON CRC JF | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2020-10-15 | EI CERAMICS LLC | SHARONVILLE, Hamilton, OH | Pass | State |
| 2020-10-15 | EI CERAMICS LLC | SHARONVILLE, Hamilton, OH | Pass | State |
| 2020-10-15 | EI CERAMICS LLC | SHARONVILLE, Hamilton, OH | Pass | State |
| 2020-10-15 | MARATHON PETROLEUM COMPANY LP - CANTON REFINERY — high-priority violation on file | CANTON, Stark, OH | Pass | State |
| 2020-10-15 | DEVON ENERGY PRODUCTION CO LP / SONOYTA 23 26 PAD 2 | HITCHCOCK, Blaine, OK | Pass | State |
| 2020-10-15 | DEVON ENERGY PRODUCTION CO LP / FLEENOR 5 8 17 PAD 2 | OMEGA, Blaine, OK | Pass | State |
| 2020-10-15 | MARKWEST OKLAHOMA GAS CO LLC / SPRAGUE COMPRESSOR STATION | COALGATE, Coal, OK | Pass | State |
| 2020-10-15 | ET GATHERING PROCESSING LLC / FOSTER COMPRESSOR STATION | ELMORE CITY, Garvin, OK | Pass | State |
| 2020-10-15 | ET GATHERING PROCESSING LLC / FRISCO COMPRESSOR STATION | CHICKASHA, Grady, OK | Pass | State |
| 2020-10-15 | EOG RESOURCES INC / DESKINS CTB | BLANCHARD, Grady, OK | Pass | State |
| 2020-10-15 | MARKWEST OKLAHOMA GAS CO LLC / KINGFISHER COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2020-10-15 | MARKWEST OKLAHOMA GAS CO LLC / KINGFISHER COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2020-10-15 | BCE MACH III LLC / ORBIT 1606 6 23MH PAD | KINGFISHER, Kingfisher, OK | Pass | State |
| 2020-10-15 | DEVON ENERGY PRODUCTION CO LP / PONY EXPRESS 27 PAD2 | OMEGA, Kingfisher, OK | Pass | State |
| 2020-10-15 | DEVON ENERGY PRODUCTION CO LP / CASCADE 14 23 PAD 2 | OMEGA, Kingfisher, OK | Pass | State |
| 2020-10-15 | OG AND E / RIVER VALLEY GENERATING STATION | PANAMA, Le Flore, OK | Pass | State |
| 2020-10-15 | SUPERIOR MIDSTREAM LLC / CASHION NORTH BOOSTER STATION (WASWO) | CASHION, Logan, OK | Pass | State |
| 2020-10-15 | SUPERIOR MIDSTREAM LLC / CASHION NORTH BOOSTER STATION (WASWO) | CASHION, Logan, OK | Pass | State |
| 2020-10-15 | US DEPT OF DEFENSE/LETTERKENNY ARMY DEPOT | CHAMBERSBURG, Franklin, PA | Pass | State |
| 2020-10-15 | ERIE SEWER AUTHORITY/ERIE WWTP — high-priority violation on file | ERIE, Erie, PA | Fail | State |
| 2020-10-15 | YORK CNTY SOLID WASTE/YORK CNTY RESOURCE RECOVERY — high-priority violation on file | YORK, York, PA | Pass | State |
| 2020-10-15 | MARKWEST LIBERTY BLUESTONE LLC/SARSEN GAS PROC PLT | EVANS CITY, Butler, PA | Pass | State |
| 2020-10-15 | ALLAN MYERS LP DBA ALLAN MYERS MATERIALS/READING ASPH PLT | READING, Berks, PA | Pass | State |
| 2020-10-15 | USS/CLAIRTON WORKS — high-priority violation on file | CLAIRTON, Allegheny, PA | Pass | Local |
| 2020-10-15 | CANFOR SOUTHERN PINE - CAMDEN PLANT | CASSATT, Kershaw, SC | Pass | State |
| 2020-10-15 | GLOBAL COMPANIES - SPARTANBURG TERMINAL | SPARTANBURG, Spartanburg, SC | Pass | State |
| 2020-10-15 | EL PASO NATURAL GAS COMPANY - BONDAD COMPRESSOR STATION | DURANGO, La Plata, CO | Pass | State |
| 2020-10-15 | ARCONIC US LLC | ALCOA, Blount, TN | Pass | State |
| 2020-10-15 | INTERSTATE BRICK | WEST JORDAN, Salt Lake, UT | Pass | State |
| 2020-10-15 | NTT GLOBAL DATA CENTERS AMERICAS, INC. | ASHBURN, Loudoun, VA | Pass | State |
| 2020-10-15 | UNITED GRAIN CORPORATION — high-priority violation on file | VANCOUVER, Clark, WA | Pass | Local |
| 2020-10-15 | UNITED GRAIN CORPORATION — high-priority violation on file | VANCOUVER, Clark, WA | Pass | Local |
| 2020-10-15 | CASPER SOLID WASTE MANAGEMENT FACILITY (CITY OF CASPER SOLID WASTE DIVISION) | CASPER, Natrona, WY | Pass | State |
| 2020-10-14 | ROBERT'S TRUST COMPRESSOR STATION | DUNN COUNTY, Dunn, ND | Pass | U.S. EPA |
| 2020-10-14 | ROBERT'S TRUST COMPRESSOR STATION | DUNN COUNTY, Dunn, ND | Pass | U.S. EPA |
| 2020-10-14 | INTERNATIONAL PAPER COMPANY — high-priority violation on file | SELMA, Dallas, AL | Pass | State |
| 2020-10-14 | ALBEMARLE CORPORATION-SOUTH PLANT | MAGNOLIA, Columbia, AR | Pass | State |
| 2020-10-14 | RAZORBACK GATHERING COMPANY, LLC. - TWIN GROVES CPF 1 | GREENBRIER, Faulkner, AR | Pass | State |
| 2020-10-14 | BIG RIVER STEEL LLC | OSCEOLA, Mississippi, AR | Pass | State |
| 2020-10-14 | BIG RIVER STEEL LLC | OSCEOLA, Mississippi, AR | Pass | State |
| 2020-10-14 | GRANT GARRETT EXCAVATING, INC. - VAUGHN ASPHALT PLANT CRUSHER | BENTONVILLE, Benton, AR | Pass | State |
| 2020-10-14 | SPI - LINCOLN — high-priority violation on file | LINCOLN, Placer, CA | Pass | Local |
| 2020-10-14 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | FORT LUPTON, Weld, CO | 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 with stack tests in 2020. It lists 33,437 stack tests recorded nationwide in 2020.