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 | PG&E- HINKLEY | HINKLEY, San Bernardino, CA | Pass | Local |
| 2020-10-21 | TESORO REFINING & MARKETING CO, LLC — high-priority violation on file | CARSON, Los Angeles, CA | Pass | Local |
| 2020-10-21 | EL SEGUNDO ENERGY CENTER LLC | EL SEGUNDO, Los Angeles, CA | Pass | Local |
| 2020-10-21 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2020-10-21 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2020-10-21 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2020-10-21 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2020-10-21 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2020-10-21 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2020-10-21 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2020-10-21 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2020-10-21 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2020-10-21 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2020-10-21 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2020-10-21 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2020-10-21 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2020-10-21 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2020-10-21 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2020-10-21 | ALOGONQUIN POWER SANGER LLC — high-priority violation on file | SANGER, Fresno, CA | Pass | Local |
| 2020-10-21 | NEW-INDY OXNARD, LLC | OXNARD, Ventura, CA | Pass | Local |
| 2020-10-21 | ROCKY MOUNTAIN MIDSTREAM - POWHATON C.S. | BRIGHTON 3.0 MI. E OF, Adams, CO | Pass | State |
| 2020-10-21 | ROCKY MOUNTAIN MIDSTREAM - POWHATON C.S. | BRIGHTON 3.0 MI. E OF, Adams, CO | Fail | State |
| 2020-10-21 | COLORADO SPRINGS UTILITIES - NIXON PLT | FOUNTAIN AREA, El Paso, CO | Pass | State |
| 2020-10-21 | BLACK HILLS ELECTRIC GENERATION - PAGS | PUEBLO, Pueblo, CO | Pass | State |
| 2020-10-21 | BLACK HILLS ELECTRIC GENERATION - PAGS | PUEBLO, Pueblo, CO | Pass | State |
| 2020-10-21 | BONANZA CREEK - WETCO FARMS A-4 PAD | KERSEY 4.8 MI. N OF, Weld, CO | Fail | State |
| 2020-10-21 | BONANZA CREEK - WETCO FARMS A-4 PAD | KERSEY 4.8 MI. N OF, Weld, CO | Fail | State |
| 2020-10-21 | BONANZA CREEK - WETCO FARMS A-4 PAD | KERSEY 4.8 MI. N OF, Weld, CO | Fail | State |
| 2020-10-21 | QUIKRETE CONSTRUCTION MATERIALS, LLC | TAMPA, Hillsborough, FL | Pass | State |
| 2020-10-21 | QUIKRETE CONSTRUCTION MATERIALS, LLC | TAMPA, Hillsborough, FL | Pass | State |
| 2020-10-21 | GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON | ATLANTA, Cobb, GA | Pass | State |
| 2020-10-21 | GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON | ATLANTA, Cobb, GA | Pass | State |
| 2020-10-21 | GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON | ATLANTA, Cobb, GA | Pass | State |
| 2020-10-21 | GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON | ATLANTA, Cobb, GA | Pass | State |
| 2020-10-21 | AMCOR TOBACCO PACKAGING AMERICAS, INC. | PEACHTREE CITY, Fayette, GA | Pass | State |
| 2020-10-21 | PRODUCTS (SE) PIPE LINE CORP - BREMEN TANK FARM | BREMEN, Haralson, GA | Pass | State |
| 2020-10-21 | PRODUCTS (SE) PIPE LINE CORP - BREMEN TANK FARM | BREMEN, Haralson, GA | Pass | State |
| 2020-10-21 | PRODUCTS (SE) PIPE LINE CORP - BREMEN TANK FARM | BREMEN, Haralson, GA | Pass | State |
| 2020-10-21 | CHATTAHOOCHEE ENERGY FACILITY | FRANKLIN, Heard, GA | Pass | State |
| 2020-10-21 | CHATTAHOOCHEE ENERGY FACILITY | FRANKLIN, Heard, GA | Pass | State |
| 2020-10-21 | CHATTAHOOCHEE ENERGY FACILITY | FRANKLIN, Heard, GA | Pass | State |
| 2020-10-21 | POET BIOREFINING - SHELL ROCK, LLC — high-priority violation on file | SHELL ROCK, Butler, IA | Pass | State |
| 2020-10-21 | ARCHER DANIELS MIDLAND CO — high-priority violation on file | DECATUR, Macon, IL | Pass | State |
| 2020-10-21 | ATLAS FOUNDRY COMPANY INC | MARION, Grant, IN | Pass | State |
| 2020-10-21 | FEDERAL EXPRESS CORPORATION | INDIANAPOLIS, Marion, IN | Pass | State |
| 2020-10-21 | FEDERAL EXPRESS CORPORATION | INDIANAPOLIS, Marion, IN | Pass | State |
| 2020-10-21 | FEDERAL EXPRESS CORPORATION | INDIANAPOLIS, Marion, IN | Pass | State |
| 2020-10-21 | URSCHEL LABORATORIES INC | CHESTERTON, Porter, IN | Pass | State |
| 2020-10-21 | URSCHEL LABORATORIES INC | CHESTERTON, Porter, IN | Pass | State |
| 2020-10-21 | URSCHEL LABORATORIES INC | CHESTERTON, Porter, IN | Pass | State |
| 2020-10-21 | URSCHEL LABORATORIES INC | CHESTERTON, Porter, IN | Pass | State |
| 2020-10-21 | CARDINAL ETHANOL LLC — high-priority violation on file | UNION CITY, Randolph, IN | Pass | State |
| 2020-10-21 | CARDINAL ETHANOL LLC — high-priority violation on file | UNION CITY, Randolph, IN | Pass | State |
| 2020-10-21 | CARDINAL ETHANOL LLC — high-priority violation on file | UNION CITY, Randolph, IN | Pass | State |
| 2020-10-21 | CARDINAL ETHANOL LLC — high-priority violation on file | UNION CITY, Randolph, IN | Pass | State |
| 2020-10-21 | LIBERTY LANDFILL LLC | MONTICELLO, White, IN | Pass | State |
| 2020-10-21 | LIBERTY LANDFILL LLC | MONTICELLO, White, IN | Pass | State |
| 2020-10-21 | LIBERTY LANDFILL LLC | MONTICELLO, White, IN | Pass | State |
| 2020-10-21 | CURTIS BAY ENERGY, LP — high-priority violation on file | BALTIMORE, Baltimore (city), MD | Pass | State |
| 2020-10-21 | BILLERUD ESCANABA LLC | ESCANABA, Delta, MI | Pass | State |
| 2020-10-21 | MISSISSIPPI LIME COMPANY | SAINTE GENEVIEVE, Ste. Genevieve, MO | Pending | State |
| 2020-10-21 | ADM CORN PROCESSING — high-priority violation on file | COLUMBUS, Platte, NE | N/A | State |
| 2020-10-21 | KEENE, CITY OF - TRANSFER STATION & RECYCLING CENTER | KEENE, Cheshire, NH | Fail | State |
| 2020-10-21 | ANHEUSER BUSCH INC | NEWARK, Essex, NJ | Pass | State |
| 2020-10-21 | HOPE PUMP STATION | ARTESIA, Chaves, NM | Pass | State |
| 2020-10-21 | WEST TURKEY TRACK BOOSTER — high-priority violation on file | LOCO HILLS, Eddy, NM | Pass | State |
| 2020-10-21 | WEST TURKEY TRACK BOOSTER — high-priority violation on file | LOCO HILLS, Eddy, NM | Pass | State |
| 2020-10-21 | SOUTH EDDY CRYO PLANT | LOVING, Eddy, NM | Pass | State |
| 2020-10-21 | EAST VACUUM LIQUID RECOVERY AND CO2 PLANT | BUCKEYE, Lea, NM | Pass | State |
| 2020-10-21 | EAST VACUUM LIQUID RECOVERY AND CO2 PLANT | BUCKEYE, Lea, NM | Pass | State |
| 2020-10-21 | EAST VACUUM LIQUID RECOVERY AND CO2 PLANT | BUCKEYE, Lea, NM | Pass | State |
| 2020-10-21 | EAST VACUUM LIQUID RECOVERY AND CO2 PLANT | BUCKEYE, Lea, NM | Pass | State |
| 2020-10-21 | DEVON - BIG CAT 16 CTB 9 | MALAGA, Lea, NM | Pass | State |
| 2020-10-21 | BUCKEYE TERMINALS LLC - COLUMBUS SOUTH TERMINAL | COLUMBUS, 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 | 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 | 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 | 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 |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.