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 |
|---|---|---|---|---|
| 2020-11-03 | COLUMBIA GAS TRANSMISSION, LLC, ELK RIVER | CLENDENIN, Kanawha, WV | Pass | State |
| 2020-11-03 | FELMAN PRODUCTION, LLC, LETART | LETART, Mason, WV | Pass | State |
| 2020-11-03 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2020-11-02 | DESOTO GATHERING COMPANY, LLC - YELLOWSTONE CPF 1 | BEE BRANCH, Van Buren, AR | Pass | State |
| 2020-11-02 | DESOTO GATHERING COMPANY, LLC - YELLOWSTONE CPF 1 | BEE BRANCH, Van Buren, AR | Pass | State |
| 2020-11-02 | NRO - AEROSPACE DATA FACIITY (ADF-C) | AURORA, Arapahoe, CO | Pass | State |
| 2020-11-02 | NRO - AEROSPACE DATA FACIITY (ADF-C) | AURORA, Arapahoe, CO | Pass | State |
| 2020-11-02 | SUMMIT DJ-O OPERATING - KOKI — high-priority violation on file | JACKSON LAKE, Weld, CO | Pass | State |
| 2020-11-02 | SUMMIT DJ-O OPERATING - KOKI — high-priority violation on file | JACKSON LAKE, Weld, CO | Pass | State |
| 2020-11-02 | MOSAIC FERTILIZER, LLC — high-priority violation on file | BARTOW, Polk, FL | Pass | State |
| 2020-11-02 | ET GATHERING & PROCESSING LLC - SHONGALOO #2 COMPRESSOR STATION | SHONGALOO, Webster, LA | Pass | State |
| 2020-11-02 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | CHINA, St. Clair, MI | Pass | State |
| 2020-11-02 | ME GLOBAL INC | DULUTH, St. Louis, MN | Pass | State |
| 2020-11-02 | GLOBAL CELLULOSE FIBERS - RIEGELWOOD MILL | RIEGELWOOD, Columbus, NC | Pass | State |
| 2020-11-02 | MASTERBRAND CABINETS LLC - KINSTON PLANT #9 | KINSTON, Lenoir, NC | Pass | State |
| 2020-11-02 | DOUGLAS COUNTY RDF | BENNINGTON, Douglas, NE | Pass | State |
| 2020-11-02 | NPPD SHELDON STATION | HALLAM, Lancaster, NE | Pass | Local |
| 2020-11-02 | ENTERPRISE - OXY SAND DUNES CENTRAL COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2020-11-02 | APACHE - PALMILLO 21 CTB | ATOKA, Eddy, NM | Pass | State |
| 2020-11-02 | APACHE - PALMILLO 21 CTB | ATOKA, Eddy, NM | Pass | State |
| 2020-11-02 | PLANTVIEW COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2020-11-02 | PLANTVIEW COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2020-11-02 | PLANTVIEW COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2020-11-02 | ET GATHERING PROCESSING LLC / TERRIER COMPRESSOR STATION | THOMAS, Custer, OK | Pass | State |
| 2020-11-02 | ET GATHERING PROCESSING LLC / TERRIER COMPRESSOR STATION | THOMAS, Custer, OK | Pass | State |
| 2020-11-02 | ET GATHERING PROCESSING LLC / TERRIER COMPRESSOR STATION | THOMAS, Custer, OK | Pass | State |
| 2020-11-02 | ET GATHERING PROCESSING LLC / BURTSCHI COMPRESSOR STATION | NORGE, Grady, OK | Pass | State |
| 2020-11-02 | ET GATHERING PROCESSING LLC / NINNEKAH COMPRESSOR STATION | NINNEKAH, Grady, OK | Pass | State |
| 2020-11-02 | DEVON ENERGY PRODUCTION CO LP / WHISKEY JACK 2314 1H | OKARCHE, Kingfisher, OK | Pass | State |
| 2020-11-02 | DEVON ENERGY PRODUCTION CO LP / RICKYS RIDGE 21 16 15N 8W 1HX | OKARCHE, Kingfisher, OK | Pass | State |
| 2020-11-02 | DEVON ENERGY PRODUCTION CO LP / WHISKEY JACK 23 PAD 2 | OKARCHE, Kingfisher, OK | Pass | State |
| 2020-11-02 | ET GATHERING PROCESSING LLC / BLACK BEAR COMPRESSOR STATION | VELMA, Stephens, OK | Pass | State |
| 2020-11-02 | SAINT FRANCIS HEALTH SYSTEM / 6161 S YALE ST FRANCIS HOSPITAL MAIN | TULSA, Tulsa, OK | Pass | State |
| 2020-11-02 | SAINT FRANCIS HEALTH SYSTEM / 6161 S YALE ST FRANCIS HOSPITAL MAIN | TULSA, Tulsa, OK | Pass | State |
| 2020-11-02 | ET GATHERING PROCESSING LLC / HOPETON GAS PLANT | ALVA, Woods, OK | Pass | State |
| 2020-11-02 | WILLIAMS FIELD SVC CO LLC/WILCOX COMP STA | TUNKHANNOCK, Wyoming, PA | Pass | State |
| 2020-11-02 | GEORGIA PACIFIC BROADWAY LLC | GREEN BAY, Brown, WI | Pass | State |
| 2020-11-02 | CAPITOL HEAT AND POWER (DOA) | MADISON, Dane, WI | Pass | State |
| 2020-11-02 | QUAD/GRAPHICS INC | SUSSEX, Waupaca, WI | Pass | State |
| 2020-11-01 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2020-10-31 | SUZANO PACKAGING, LLC | PINE BLUFF, Jefferson, AR | Pass | State |
| 2020-10-30 | SPIRE ALABAMA, INC. | COOSADA, Elmore, AL | Pass | State |
| 2020-10-30 | SPIRE ALABAMA, INC. | COOSADA, Elmore, AL | Pass | State |
| 2020-10-30 | FAYETTEVILLE EXPRESS PIPELINE LLC - RUSSELL COMPRESSOR STATION | BALD KNOB, White, AR | Pass | State |
| 2020-10-30 | FAYETTEVILLE EXPRESS PIPELINE LLC - RUSSELL COMPRESSOR STATION | BALD KNOB, White, AR | Pass | State |
| 2020-10-30 | FAYETTEVILLE EXPRESS PIPELINE LLC - RUSSELL COMPRESSOR STATION | BALD KNOB, White, AR | Pass | State |
| 2020-10-30 | FAYETTEVILLE EXPRESS PIPELINE LLC - RUSSELL COMPRESSOR STATION | BALD KNOB, White, AR | Pass | State |
| 2020-10-30 | FAYETTEVILLE EXPRESS PIPELINE LLC - RUSSELL COMPRESSOR STATION | BALD KNOB, White, AR | Pass | State |
| 2020-10-30 | FAYETTEVILLE EXPRESS PIPELINE LLC - RUSSELL COMPRESSOR STATION | BALD KNOB, White, AR | Pass | State |
| 2020-10-30 | FAYETTEVILLE EXPRESS PIPELINE LLC - RUSSELL COMPRESSOR STATION | BALD KNOB, White, AR | Pass | State |
| 2020-10-30 | GRAND RIVER GATHERING - HUNTER MESA CS | RIFLE 3.3 MI. SE OF, Garfield, CO | Pass | State |
| 2020-10-30 | GRAND RIVER GATHERING - HUNTER MESA CS | RIFLE 3.3 MI. SE OF, Garfield, CO | Pass | State |
| 2020-10-30 | UTAH GAS - DRAGON TRAIL — high-priority violation on file | RANGELY 16.7 MI. S OF, Rio Blanco, CO | Pass | State |
| 2020-10-30 | UTAH GAS - DRAGON TRAIL — high-priority violation on file | RANGELY 16.7 MI. S OF, Rio Blanco, CO | Pass | State |
| 2020-10-30 | WES DJ GATHERING - FREDERICK CS — high-priority violation on file | DACONO AREA, Weld, CO | Pass | State |
| 2020-10-30 | DUNAMIS ENERGY - SASKATCHEWAN PAD | AULT AREA, Weld, CO | Pass | State |
| 2020-10-30 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2020-10-30 | GARFIELD FACILITY LLC — high-priority violation on file | MUNCIE, Delaware, IN | Pass | State |
| 2020-10-30 | PRIMARY PRODUCTS INGREDIENTS AMERICAS, LLC | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2020-10-30 | PRIMARY PRODUCTS INGREDIENTS AMERICAS, LLC | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2020-10-30 | PRIMARY PRODUCTS INGREDIENTS AMERICAS, LLC | LAFAYETTE, Tippecanoe, IN | Pass | State |
| 2020-10-30 | MONTPELIER GENERATING STATION LLC — high-priority violation on file | PONETO, Wells, IN | Pass | State |
| 2020-10-30 | MONTPELIER GENERATING STATION LLC — high-priority violation on file | PONETO, Wells, IN | Pass | State |
| 2020-10-30 | OWENS-CORNING STATELINE | JOPLIN, Jasper, MO | Fail | State |
| 2020-10-30 | 3M NEVADA-COMMERCIAL GRAPHICS | NEVADA, Vernon, MO | Pending | State |
| 2020-10-30 | MELVIN STONE - UNIT # 2202307 - PORTABLE | CINCINNATI, Hamilton, OH | Pass | State |
| 2020-10-30 | ET GATHERING PROCESSING LLC / COUNTY LINE COMPRESSOR STATION | DACOMA, Woods, OK | Pass | State |
| 2020-10-30 | FLEXSYS AMER LTD PAR/MONONGAHELA — high-priority violation on file | MONONGAHELA, Washington, PA | Pass | State |
| 2020-10-30 | EAST PENN MFG CO INC/SMELTER PLT | LYONS, Berks, PA | Pass | State |
| 2020-10-30 | ONEIDA VALLEY MIDSTRAM LLC/CONSTELLATION COMP STA | WEST SUNBURY, Butler, PA | Pass | State |
| 2020-10-30 | BAE SYSTEMS ORDNANCE SYSTEMS INC. — high-priority violation on file | KINGSPORT, Hawkins, TN | Pass | State |
| 2020-10-30 | VANTAGE DATA CENTERS VA11, VA12, VA13, VA14, & VA15 | STERLING, Loudoun, VA | Pass | State |
| 2020-10-29 | VERTEX REFINING ALABAMA LLC | SARALAND, Mobile, AL | Pass | State |
| 2020-10-29 | LADW&P-HAYNES STEAM | LONG BEACH, Los Angeles, CA | Pass | Local |
| 2020-10-29 | OC WASTE & RECYCLING, PRIMA DESHECHA | SAN JUAN CAPISTRANO, Orange, CA | Pass | Local |
| 2020-10-29 | JR SIMPLOT | HELM, Fresno, CA | Pass | Local |
| 2020-10-29 | JR SIMPLOT | HELM, Fresno, CA | Pass | Local |
| 2020-10-29 | JR SIMPLOT | HELM, Fresno, CA | Pass | Local |
| 2020-10-29 | JR SIMPLOT | HELM, Fresno, CA | Pass | Local |
| 2020-10-29 | JR SIMPLOT | HELM, Fresno, CA | Pass | Local |
| 2020-10-29 | JR SIMPLOT | HELM, Fresno, CA | Pass | Local |
| 2020-10-29 | JR SIMPLOT | HELM, Fresno, CA | Pass | Local |
| 2020-10-29 | JR SIMPLOT | HELM, Fresno, CA | Pass | Local |
| 2020-10-29 | JR SIMPLOT | HELM, Fresno, CA | Pass | Local |
| 2020-10-29 | JR SIMPLOT | HELM, Fresno, CA | Pass | Local |
| 2020-10-29 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-29 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-29 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-29 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-29 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-29 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-29 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-29 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-29 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-29 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-29 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-29 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-29 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-29 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-29 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | 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.