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 |
|---|---|---|---|---|
| 2020-10-21 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2020-10-21 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2020-10-21 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2020-10-21 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2020-10-21 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2020-10-21 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2020-10-21 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2020-10-21 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2020-10-21 | CARDINAL POWER PLANT (CARDINAL OPERATING COMPANY) | BRILLIANT, Jefferson, OH | Pass | State |
| 2020-10-21 | CARDINAL POWER PLANT (CARDINAL OPERATING COMPANY) | BRILLIANT, Jefferson, OH | Pass | State |
| 2020-10-21 | ASCENT RESOURCES - UTICA LLC - KRINKE MTP JF | MOUNT PLEASANT, Jefferson, OH | Pass | State |
| 2020-10-21 | ASCENT RESOURCES - UTICA LLC - KRINKE MTP JF | MOUNT PLEASANT, Jefferson, OH | Pass | State |
| 2020-10-21 | ASCENT RESOURCES - UTICA LLC - KRINKE MTP JF | MOUNT PLEASANT, Jefferson, OH | Pass | State |
| 2020-10-21 | CARGILL, INC. - DAYTON | DAYTON, Montgomery, OH | Pass | State |
| 2020-10-21 | DEVON ENERGY PRODUCTION CO LP / EVERETT 12 1 PAD 2 | GREENFIELD, Blaine, OK | Pass | State |
| 2020-10-21 | DEVON ENERGY PRODUCTION CO LP / CENTAUR 7 6 PAD 1 | GREENFIELD, Blaine, OK | Pass | State |
| 2020-10-21 | CONTINENTAL RESOURCES / Z 21 2 17 8XHW LAMBRECHT 3 17 20XHW | MIDDLEBERG, Grady, OK | Pass | State |
| 2020-10-21 | BCE MACH III LLC / WHISKEYFEET 1606 3 2MH PAD | KINGFISHER, Kingfisher, OK | Pass | State |
| 2020-10-21 | BCE MACH III LLC / WHISKEYFEET 1606 3 2MH PAD | KINGFISHER, Kingfisher, OK | Pass | State |
| 2020-10-21 | SUPERIOR MIDSTREAM LLC / CASHION GAS PLANT — high-priority violation on file | CASHION, Logan, OK | Pass | State |
| 2020-10-21 | PONDEROSA GATHERING LLC / PONDEROSA COMPRESSOR STATION 1 | QUINTON, Pittsburg, OK | Pass | State |
| 2020-10-21 | ERIE SEWER AUTHORITY/ERIE WWTP — high-priority violation on file | ERIE, Erie, PA | Fail | State |
| 2020-10-21 | FRY COMMUNICATIONS INC/BLDG 1 & 2 | MECHANICSBURG, Cumberland, PA | Pass | State |
| 2020-10-21 | YUASA BATTERY INC/LAURELDALE | LAURELDALE, Berks, PA | Fail | State |
| 2020-10-21 | ENERGY DEVS MORGANTOWN LLC/CAERNARVON TWP | MORGANTOWN, Berks, PA | Pass | State |
| 2020-10-21 | NEXTERA RENEWABLE FUELS LLC/FREY FARM CRESWELL LDFL | CONESTOGA, Lancaster, PA | Pass | State |
| 2020-10-21 | MAINESBURG GS LP/MAINESBURG GATHERING STA | MANSFIELD, Tioga, PA | Pass | State |
| 2020-10-21 | CENTURY ALUMINUM OF SOUTH CAROLINA INC — high-priority violation on file | GOOSE CREEK, Berkeley, SC | Pass | State |
| 2020-10-21 | C R JACKSON INC - SUMTER ASPHALT PLANT | SUMTER, Sumter, SC | Pass | State |
| 2020-10-21 | SIGNAL MOUNTAIN CEMENT COMPANY D/B/A BUZZI UNICEM USA | CHATTANOOGA, Hamilton, TN | Pass | Local |
| 2020-10-21 | COVESTRO — high-priority violation on file | BAYTOWN, Chambers, TX | Pass | State |
| 2020-10-21 | BLANCHARD REFINING GALVESTON BAY REFINERY — high-priority violation on file | TEXAS CITY, Galveston, TX | Pass | State |
| 2020-10-21 | BLANCHARD REFINING GALVESTON BAY REFINERY — high-priority violation on file | TEXAS CITY, Galveston, TX | Pass | State |
| 2020-10-21 | OWENS CORNING HOUSTON ROOFING AND MANUFACTURING FACILITY | HOUSTON, Harris, TX | Pass | State |
| 2020-10-21 | COVENTRY CLEAN ENERGY CORPORATION — high-priority violation on file | COVENTRY, Orleans, VT | Pass | State |
| 2020-10-21 | GUY BENNETT LUMBER | CLARKSTON, Asotin, WA | Pass | State |
| 2020-10-21 | SEH AMERICA | VANCOUVER, Clark, WA | Pass | Local |
| 2020-10-21 | SEH AMERICA | VANCOUVER, Clark, WA | Pass | Local |
| 2020-10-21 | SEH AMERICA | VANCOUVER, Clark, WA | Pass | Local |
| 2020-10-21 | LANXESS CORPORATION — high-priority violation on file | KALAMA, Cowlitz, WA | Pass | Local |
| 2020-10-21 | PUGET SOUND ENERGY (WA NATURAL GAS) | CHEHALIS, Lewis, WA | Pass | Local |
| 2020-10-21 | UNITED ETHANOL LLC | MILTON, Rusk, WI | Pass | State |
| 2020-10-21 | QUIKRETE CONSTRUCTION MATERIALS, LLC, QUIKRETE CEMENT — high-priority violation on file | MARTINSBURG, Berkeley, WV | Pass | State |
| 2020-10-21 | QUIKRETE CONSTRUCTION MATERIALS, LLC, QUIKRETE CEMENT — high-priority violation on file | MARTINSBURG, Berkeley, WV | Pass | State |
| 2020-10-21 | CARTER CREEK GAS PLANT (HILCORP ENERGY CO) | EVANSTON, Uinta, WY | Pass | State |
| 2020-10-20 | DOYON UTILITIES, LLC / FORT WAINWRIGHT (PRIVATIZED EMISSION UN | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2020-10-20 | DOYON UTILITIES, LLC / FORT WAINWRIGHT (PRIVATIZED EMISSION UN | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2020-10-20 | DOYON UTILITIES, LLC / FORT WAINWRIGHT (PRIVATIZED EMISSION UN | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2020-10-20 | DOYON UTILITIES, LLC / FORT WAINWRIGHT (PRIVATIZED EMISSION UN | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2020-10-20 | DOYON UTILITIES, LLC / FORT WAINWRIGHT (PRIVATIZED EMISSION UN | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2020-10-20 | DOYON UTILITIES, LLC / FORT WAINWRIGHT (PRIVATIZED EMISSION UN | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2020-10-20 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | ROCKFORD, Coosa, AL | Pass | State |
| 2020-10-20 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | ROCKFORD, Coosa, AL | Pass | State |
| 2020-10-20 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | ROCKFORD, Coosa, AL | Pass | State |
| 2020-10-20 | CEMEX SOUTHEAST LLC | DEMOPOLIS, Marengo, AL | Pass | State |
| 2020-10-20 | SANDERS LEAD CO | TROY, Pike, AL | Pass | State |
| 2020-10-20 | SANDERS LEAD CO | TROY, Pike, AL | Pass | State |
| 2020-10-20 | GREEN BAY PACKAGING, INC. - ARKANSAS KRAFT DIVISION | MORRILTON, Conway, AR | Pass | State |
| 2020-10-20 | DESOTO GATHERING COMPANY, LLC - PHILLIPS MOUNTAIN CPF-2 | CLEVELAND, Conway, AR | Pass | State |
| 2020-10-20 | DESOTO GATHERING COMPANY LLC - PIKE CPF-1 | HATTIEVILLE, Conway, AR | Pass | State |
| 2020-10-20 | PG&E- HINKLEY | HINKLEY, San Bernardino, CA | Pass | Local |
| 2020-10-20 | EL SEGUNDO ENERGY CENTER LLC | EL SEGUNDO, Los Angeles, CA | Pass | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2020-10-20 | AERA ENERGY — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
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.