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 |
|---|---|---|---|---|
| 2020-10-26 | TOM STACK LLC / ROGUE COMPRESSOR STATION | CONCHO, Canadian, OK | Pass | State |
| 2020-10-26 | FW MIDCON I LLC / TOM 0604 1H 13X TDR 0604 1H 14X | CRINER, McClain, OK | Pass | State |
| 2020-10-26 | TERRA NITROGEN LP / VERDIGRIS PLANT | CLAREMORE, Rogers, OK | Pass | State |
| 2020-10-26 | FW MIDCON I LLC / MASHBURN 2H 33X | BRAY, Stephens, OK | Pass | State |
| 2020-10-26 | EQT PROD CO/EALY WELLPAD | EAST FINLEY, Washington, PA | Pass | State |
| 2020-10-26 | WEST KARNES CENTRAL FACILITY | KARNES CITY, Karnes, TX | Pass | State |
| 2020-10-26 | EAST KARNES CENTRAL FACILITY | KENEDY, Karnes, TX | Pass | State |
| 2020-10-26 | EAST KARNES CENTRAL FACILITY | KENEDY, Karnes, TX | Pass | State |
| 2020-10-26 | EAST KARNES CENTRAL FACILITY | KENEDY, Karnes, TX | Pass | State |
| 2020-10-26 | EAST KARNES CENTRAL FACILITY | KENEDY, Karnes, TX | Pass | State |
| 2020-10-26 | EAST KARNES CENTRAL FACILITY | KENEDY, Karnes, TX | Pass | State |
| 2020-10-26 | EAST KARNES CENTRAL FACILITY | KENEDY, Karnes, TX | Pass | State |
| 2020-10-26 | EAST KARNES CENTRAL FACILITY | KENEDY, Karnes, TX | Pass | State |
| 2020-10-26 | EAST KARNES CENTRAL FACILITY | KENEDY, Karnes, TX | Pass | State |
| 2020-10-26 | EAST KARNES CENTRAL FACILITY | KENEDY, Karnes, TX | Pass | State |
| 2020-10-26 | WASTE MANAGEMENT OF WISCONSIN, INC. - PHEASANT RUN RECYCLING AND DISPOSAL FACILI | BRISTOL, Kenosha, WI | Pass | State |
| 2020-10-26 | CONSTELLIUM ROLLED PRODUCTS RAVENSWOOD, LLC, RAVENSWOOD | RAVENSWOOD, Jackson, WV | Pass | State |
| 2020-10-24 | BANK OF AMERICA | NEW YORK, New York, NY | Pass | U.S. EPA |
| 2020-10-23 | OLS ENERGY CHINO | CHINO, San Bernardino, CA | Pass | Local |
| 2020-10-23 | OLS ENERGY CHINO | CHINO, San Bernardino, CA | Pass | Local |
| 2020-10-23 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2020-10-23 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2020-10-23 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2020-10-23 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2020-10-23 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2020-10-23 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2020-10-23 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2020-10-23 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2020-10-23 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2020-10-23 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2020-10-23 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2020-10-23 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2020-10-23 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2020-10-23 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2020-10-23 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2020-10-23 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2020-10-23 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2020-10-23 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2020-10-23 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2020-10-23 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2020-10-23 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2020-10-23 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2020-10-23 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2020-10-23 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2020-10-23 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | FORT LUPTON, Weld, CO | Pass | State |
| 2020-10-23 | MIAMI-DADE WATER AND SEWER DEPARTMENT | HIALEAH, Miami-Dade, FL | Pass | State |
| 2020-10-23 | MIAMI-DADE WATER AND SEWER DEPARTMENT | HIALEAH, Miami-Dade, FL | Pass | State |
| 2020-10-23 | MIAMI-DADE WATER AND SEWER DEPARTMENT | HIALEAH, Miami-Dade, FL | Pass | State |
| 2020-10-23 | MID PAC PETROLEUM - KAWAIHAE | KAWAIHAE, Hawaii, HI | Pass | State |
| 2020-10-23 | OGDEN MUNICIPAL UTILITIES | OGDEN, Boone, IA | Pass | State |
| 2020-10-23 | SUPERIOR ALUMINUM ALLOYS LLC — high-priority violation on file | NEW HAVEN, Allen, IN | Pass | State |
| 2020-10-23 | SUPERIOR ALUMINUM ALLOYS LLC — high-priority violation on file | NEW HAVEN, Allen, IN | Pass | State |
| 2020-10-23 | SUPERIOR ALUMINUM ALLOYS LLC — high-priority violation on file | NEW HAVEN, Allen, IN | Pass | State |
| 2020-10-23 | SUPERIOR ALUMINUM ALLOYS LLC — high-priority violation on file | NEW HAVEN, Allen, IN | Pass | State |
| 2020-10-23 | SUPERIOR ALUMINUM ALLOYS LLC — high-priority violation on file | NEW HAVEN, Allen, IN | Pass | State |
| 2020-10-23 | SUPERIOR ALUMINUM ALLOYS LLC — high-priority violation on file | NEW HAVEN, Allen, IN | Pass | State |
| 2020-10-23 | SUPERIOR ALUMINUM ALLOYS LLC — high-priority violation on file | NEW HAVEN, Allen, IN | Pass | State |
| 2020-10-23 | METAL TECHNOLOGIES AUBURN LLC — high-priority violation on file | AUBURN, DeKalb, IN | Pass | State |
| 2020-10-23 | BAVARIAN TRUCKING COMPANY INC | WALTON, Boone, KY | Pass | State |
| 2020-10-23 | ECO MAINE | PORTLAND, Cumberland, ME | Pass | State |
| 2020-10-23 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | CHINA, St. Clair, MI | Pass | State |
| 2020-10-23 | MID AMERICA PIPELINE COMPANY, L.L.C. | CHILLICOTHE, Livingston, MO | Pending | State |
| 2020-10-23 | MDU - LEWIS & CLARK STATION | SIDNEY, Richland, MT | Pass | State |
| 2020-10-23 | PCS PHOSPHATE COMPANY, INC. - AURORA | AURORA, Beaufort, NC | Pass | State |
| 2020-10-23 | NOVOZYMES NORTH AMERICA, INC. | FRANKLINTON, Franklin, NC | Pass | State |
| 2020-10-23 | GLENMARK PHARMACEUTICALS, INC., USA | MONROE, Union, NC | Fail | State |
| 2020-10-23 | BANK OF AMERICA | NEW YORK, New York, NY | Pass | U.S. EPA |
| 2020-10-23 | PERFORMANCE MANUFACTURING CENTER | MARYSVILLE, Union, OH | Pass | State |
| 2020-10-23 | PEPPERIDGE FARM INC. | WILLARD, Huron, OH | Pass | State |
| 2020-10-23 | PEPPERIDGE FARM INC. | WILLARD, Huron, OH | Pass | State |
| 2020-10-23 | BUCKEYE ASPHALT GROUP LLC | PERRYSBURG, Wood, OH | Pass | State |
| 2020-10-23 | DEVON ENERGY PRODUCTION CO LP / EDWINA 1 28H | GREENFIELD, Blaine, OK | Pass | State |
| 2020-10-23 | DEVON ENERGY PRODUCTION CO LP / COLUMBINE 15 4AH | OMEGA, Blaine, OK | Pass | State |
| 2020-10-23 | FW MIDCON I LLC / RICKS 7 5 4 1H | MIDDLEBERG, Grady, OK | Pass | State |
| 2020-10-23 | FW MIDCON I LLC / WOOD 0704 1H 14X | DIBBLE, McClain, OK | Pass | State |
| 2020-10-23 | FW MIDCON I LLC / MARY J 2 4 25 36 2HA 10HA | FOSTER, Stephens, OK | Pass | State |
| 2020-10-23 | MARKWEST LIBERTY MIDSTREAM & RESOURCES/HARMON CREEK GAS PLT — high-priority violation on file | BULGER, Washington, PA | Pass | State |
| 2020-10-23 | RED CEDAR GATHERING COMPANY - ARKANSAS LOOP AND SIMPSON TREATING PLANTS | SOUTHERN UTE RESERVATION, La Plata, CO | Pass | State |
| 2020-10-23 | PASADENA TERMINAL — high-priority violation on file | PASADENA, Harris, TX | Pass | State |
| 2020-10-23 | BIG ISLAND MINE & REFINERY (SISECAM WYOMING LLC) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2020-10-22 | INTERNATIONAL PAPER COMPANY — high-priority violation on file | SELMA, Dallas, AL | Pass | State |
| 2020-10-22 | SANDERS LEAD CO | TROY, Pike, AL | Pass | State |
| 2020-10-22 | SANDERS LEAD CO | TROY, Pike, AL | Pass | State |
| 2020-10-22 | SANDERS LEAD CO | TROY, Pike, AL | Pass | State |
| 2020-10-22 | SANDERS LEAD CO | TROY, Pike, AL | Pass | State |
| 2020-10-22 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | WADLEY, Randolph, AL | Pass | State |
| 2020-10-22 | DESOTO GATHERING COMPANY, LLC - WEST CUTTHROAT CPF-2 | QUITMAN, Cleburne, AR | Pass | State |
| 2020-10-22 | DESOTO GATHERING COMPANY LLC - CHARLEY CPF-3 | HEBER SPRINGS, Cleburne, AR | Pass | State |
| 2020-10-22 | HILMAR CHEESE COMPANY — high-priority violation on file | HILMAR, Merced, CA | Pass | Local |
| 2020-10-22 | HILMAR CHEESE COMPANY — high-priority violation on file | HILMAR, Merced, CA | Pass | Local |
| 2020-10-22 | HILMAR CHEESE COMPANY — high-priority violation on file | HILMAR, Merced, CA | Pass | Local |
| 2020-10-22 | HILMAR CHEESE COMPANY — high-priority violation on file | HILMAR, Merced, CA | Pass | Local |
| 2020-10-22 | CHEVRON USA INC - PICEANCE BASIN CENTRAL | PARACHUTE 16.6 MI. NW OF, Garfield, CO | Pass | State |
| 2020-10-22 | BLACK HILLS ELECTRIC GENERATION - PAGS | PUEBLO, Pueblo, CO | Pass | State |
| 2020-10-22 | BLACK HILLS ELECTRIC GENERATION - PAGS | PUEBLO, Pueblo, CO | Pass | State |
| 2020-10-22 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | FORT LUPTON, Weld, CO | Pass | State |
| 2020-10-22 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | FORT LUPTON, Weld, CO | Pass | State |
| 2020-10-22 | BONANZA CREEK ENERGY- NORTH PLATTE 14-36 | KERSEY, Weld, CO | Pass | State |
| 2020-10-22 | BONANZA CREEK ENERGY- NORTH PLATTE 14-36 | KERSEY, Weld, CO | Pass | State |
| 2020-10-22 | BONANZA CREEK ENERGY- NORTH PLATTE 14-36 | KERSEY, 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.