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 |
|---|---|---|---|---|
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | MT POSO COGEN-PYRO PACIFIC CO. — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-12-15 | FOSTER FOOD PRODUCTS — high-priority violation on file | LIVINGSTON, Merced, CA | Pass | Local |
| 2020-12-15 | FOSTER FOOD PRODUCTS — high-priority violation on file | LIVINGSTON, Merced, CA | Pass | Local |
| 2020-12-15 | FULCRUM ENERGY - BIGHORN-MUTUAL 0780 S17 | WALDEN 11.6 MI. N OF, Jackson, CO | Pass | State |
| 2020-12-15 | FULCRUM ENERGY - BIGHORN-MUTUAL 0780 S17 | WALDEN 11.6 MI. N OF, Jackson, CO | Pass | State |
| 2020-12-15 | MANCHESTER LANDFILL | MANCHESTER, Hartford, CT | Pass | State |
| 2020-12-15 | HOWARD UNIVERSITY | WASHINGTON, District of Columbia, DC | Pass | State |
| 2020-12-15 | CEMEX CONSTRUCTION MATERIALS FLORIDA,LLC | BROOKSVILLE, Hernando, FL | Pass | State |
| 2020-12-15 | CEMEX CONSTRUCTION MATERIALS FLORIDA,LLC | BROOKSVILLE, Hernando, FL | Pass | State |
| 2020-12-15 | CEMEX CONSTRUCTION MATERIALS FLORIDA,LLC | BROOKSVILLE, Hernando, FL | Pass | State |
| 2020-12-15 | ATLANTA GAS LIGHT COMPANY - RIVERDALE LNG PLANT — high-priority violation on file | RIVERDALE, Clayton, GA | Pass | State |
| 2020-12-15 | ATLANTA GAS LIGHT COMPANY - RIVERDALE LNG PLANT — high-priority violation on file | RIVERDALE, Clayton, GA | Pass | State |
| 2020-12-15 | ATLANTA GAS LIGHT COMPANY - RIVERDALE LNG PLANT — high-priority violation on file | RIVERDALE, Clayton, GA | Pass | State |
| 2020-12-15 | VULCAN CONSTRUCTION MATERIALS, LLC - KENNESAW QUARRY | KENNESAW, Cobb, GA | Pass | State |
| 2020-12-15 | ASAMA COLDWATER MANUFACTURING GEORGIA | WARRENTON, Warren, GA | Pass | State |
| 2020-12-15 | RAYONIER PERFORMANCE FIBERS, LLC | JESUP, Wayne, GA | Pass | State |
| 2020-12-15 | RAYONIER PERFORMANCE FIBERS, LLC | JESUP, Wayne, GA | Pass | State |
| 2020-12-15 | VALERO RENEWABLE FUELS COMPANY. LLC D/B/A VALERO LAKOTA PLANT — high-priority violation on file | LAKOTA, Kossuth, IA | Pass | State |
| 2020-12-15 | VALERO RENEWABLE FUELS CO LLC-FT DODGE | FORT DODGE, Webster, IA | Pass | State |
| 2020-12-15 | H & B CRUSHING 00380 | KUNA, Ada, ID | Pass | State |
| 2020-12-15 | H & B CRUSHING 00595 | KUNA, Ada, ID | Pass | State |
| 2020-12-15 | H & B CRUSHING 00596 | KUNA, Ada, ID | Pass | State |
| 2020-12-15 | H & B CRUSHING 00597 | KUNA, Ada, ID | Pass | State |
| 2020-12-15 | H & B CRUSHING 00598 | KUNA, Ada, ID | Pass | State |
| 2020-12-15 | H & B CRUSHING 00615 | KUNA, Ada, ID | Pass | State |
| 2020-12-15 | HOFFER PLASTICS CORP | SOUTH ELGIN, Kane, IL | Pass | State |
| 2020-12-15 | ARCHER DANIELS MIDLAND CO — high-priority violation on file | DECATUR, Macon, IL | Pass | State |
| 2020-12-15 | CITY WATER LIGHT & POWER | SPRINGFIELD, Sangamon, IL | Pass | State |
| 2020-12-15 | ANR PIPELINE CO CELESTINE COMPRESSOR STATION | CELESTINE, Dubois, IN | Pass | State |
| 2020-12-15 | WEST KENTUCKY LANDFILL — high-priority violation on file | MAYFIELD, Graves, KY | Pass | State |
| 2020-12-15 | LOUISVILLE GAS & ELECTRIC | MAGNOLIA, Larue, KY | Pass | State |
| 2020-12-15 | LOUISVILLE GAS & ELECTRIC | MAGNOLIA, Larue, KY | Pass | State |
| 2020-12-15 | TENNESSEE VALLEY AUTHORITY (TVA) - SHAWNEE FOSSIL PLANT | WEST PADUCAH, McCracken, KY | Pass | State |
| 2020-12-15 | JELD-WEN | DODSON, Winn, LA | Pass | State |
| 2020-12-15 | REGENERATE LIVERMORE FALLS LLC | LIVERMORE FALLS, Androscoggin, ME | Pass | State |
| 2020-12-15 | FORD MOTOR COMPANY WAYNE COMPLEX | WAYNE, Wayne, MI | Pass | State |
| 2020-12-15 | WASTE MANAGEMENT OF MICHIGAN, INC. - AUTUMN HILLS | ZEELAND, Ottawa, MI | Pass | State |
| 2020-12-15 | NORTHERN NATURAL GAS CO - CARLTON | CARLTON, Carlton, MN | Pass | State |
| 2020-12-15 | ROCHESTER PUBLIC UTILITIES WESTSIDE ENERGY STATION | ROCHESTER, Olmsted, MN | Pass | State |
| 2020-12-15 | DOGWOOD POWER MANAGEMENT, INC. | PLEASANT HILL, Cass, MO | Pending | State |
| 2020-12-15 | LHOIST NORTH AMERICA | SAINTE GENEVIEVE, Ste. Genevieve, MO | Pending | State |
| 2020-12-15 | OWENS-BROCKWAY GLASS CONTAINER INC. | LEXINGTON, Davidson, NC | Pass | State |
| 2020-12-15 | CHEMSERVE TERMINAL OF WILMINGTON, LLC | WILMINGTON, New Hanover, NC | Pending | State |
| 2020-12-15 | B. V. HEDRICK GRAVEL AND SAND COMPANY - AQUADALE QUARRY | NORWOOD, Stanly, NC | Pass | State |
| 2020-12-15 | BLACK RIVER - MALAGA SWD NO4 FACILITY | MALAGA, Eddy, NM | Pass | State |
| 2020-12-15 | BLACK RIVER - MALAGA SWD NO4 FACILITY | MALAGA, Eddy, NM | Pass | State |
| 2020-12-15 | BLACK RIVER - MALAGA SWD NO4 FACILITY | MALAGA, Eddy, NM | Pass | State |
| 2020-12-15 | 3 BEAR LIBBY GAS PLANT | MONUMENT, Lea, NM | Pass | State |
| 2020-12-15 | IRVIN WALL STATE COM NO131H | JAL, Lea, NM | Pass | State |
| 2020-12-15 | LUNA ENERGY CENTER | DEMING, Luna, NM | Pass | State |
| 2020-12-15 | LUNA ENERGY CENTER | DEMING, Luna, NM | Pass | State |
| 2020-12-15 | CALPINE JFK ENERGY CENTER | JAMAICA, Queens, NY | Pass | State |
| 2020-12-15 | DIVERSIFIED PRODUCTION LLC - POOL UNIT | BENTON, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2020-12-15 | DIVERSIFIED PRODUCTION LLC - POOL UNIT | BENTON, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2020-12-15 | DIVERSIFIED PRODUCTION LLC - POOL UNIT | BENTON, TOWNSHIP OF, Monroe, OH | Pass | State |
| 2020-12-15 | CORIX CLEVELAND THERMAL GENERATING LP | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2020-12-15 | PPG - SOUTH PLANT — high-priority violation on file | BARBERTON, Summit, OH | Pass | State |
| 2020-12-15 | PPG - SOUTH PLANT — high-priority violation on file | BARBERTON, Summit, OH | Pass | State |
| 2020-12-15 | PPG - SOUTH PLANT — high-priority violation on file | BARBERTON, Summit, OH | Pass | State |
| 2020-12-15 | ONEOK FIELD SERVICES CO LLC / CEDAR LAKE COMPRESSOR STATION | CALUMET, Canadian, OK | Pass | State |
| 2020-12-15 | ONEOK FIELD SERVICES CO LLC / CEDAR LAKE COMPRESSOR STATION | CALUMET, Canadian, OK | Pass | State |
| 2020-12-15 | EOG RESOURCES INC / GALAXY CTB PRODUCTION FACILITY | TUTTLE, Grady, OK | Pass | State |
| 2020-12-15 | EOG RESOURCES INC / MUSTANG CTB | BLANCHARD, Grady, OK | Pass | State |
| 2020-12-15 | PHILLIPS 66 CO - PONCA CITY REFINERY / PONCA CITY REFINERY — high-priority violation on file | PONCA CITY, Kay, OK | Pass | State |
| 2020-12-15 | ET GATHERING PROCESSING LLC / DIBBLE COMPRESSOR STATION | DIBBLE, McClain, OK | Pass | State |
| 2020-12-15 | B BRAUN US DEVICE MFG LLC/ALLENTOWN | ALLENTOWN, Lehigh, PA | Pass | State |
| 2020-12-15 | EQUITRANS LP/JEFFERSON COMP STA | LIPPINCOTT, Greene, PA | Fail | State |
| 2020-12-15 | EXPAND OPERATING LLC/NOWICKI PAD NR25 | SUSQUEHANNA, Susquehanna, PA | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.