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 |
|---|---|---|---|---|
| 2020-10-16 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-16 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-16 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-16 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-16 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-16 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-16 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-16 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-16 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-16 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GALLO GLASS CO — high-priority violation on file | MODESTO, Stanislaus, CA | Pass | Local |
| 2020-10-16 | GEORGIA-PACIFIC CEDAR SPRINGS LLC | CEDAR SPRINGS, Early, GA | Pass | State |
| 2020-10-16 | INTERNATIONAL PAPER - FLINT RIVER MILL | OGLETHORPE, Macon, GA | Pass | State |
| 2020-10-16 | SIPI METALS CORP | CHICAGO, Cook, IL | Pass | State |
| 2020-10-16 | CONSOLIDATED GRAIN & BARGE COMPANY INC — high-priority violation on file | MOUNT VERNON, Posey, IN | Pass | State |
| 2020-10-16 | CONSOLIDATED GRAIN & BARGE COMPANY INC — high-priority violation on file | MOUNT VERNON, Posey, IN | Pass | State |
| 2020-10-16 | CONSOLIDATED GRAIN & BARGE COMPANY INC — high-priority violation on file | MOUNT VERNON, Posey, IN | Pass | State |
| 2020-10-16 | CONSOLIDATED GRAIN & BARGE COMPANY INC — high-priority violation on file | MOUNT VERNON, Posey, IN | Pass | State |
| 2020-10-16 | DAVE OMARA CONTRACTOR INC PLANT 6 | LEXINGTON, Scott, IN | Pass | State |
| 2020-10-16 | DAVE OMARA CONTRACTOR INC PLANT 6 | LEXINGTON, Scott, IN | Pass | State |
| 2020-10-16 | DAVE OMARA CONTRACTOR INC PLANT 6 | LEXINGTON, Scott, IN | Pass | State |
| 2020-10-16 | DAVE OMARA CONTRACTOR INC PLANT 6 | LEXINGTON, Scott, IN | Pass | State |
| 2020-10-16 | CONSUMERS ENERGY - FREEDOM COMPRESSOR STATION | MANCHESTER, Washtenaw, MI | Pass | State |
| 2020-10-16 | CORNING INCORPORATED - MIDLAND | MIDLAND, Cabarrus, NC | Pass | State |
| 2020-10-16 | CORNING INCORPORATED - MIDLAND | MIDLAND, Cabarrus, NC | Pass | State |
| 2020-10-16 | CORNING INCORPORATED - MIDLAND | MIDLAND, Cabarrus, NC | Pass | State |
| 2020-10-16 | CORNING INCORPORATED - MIDLAND | MIDLAND, Cabarrus, NC | Pass | State |
| 2020-10-16 | CORNING INCORPORATED - MIDLAND | MIDLAND, Cabarrus, NC | Pass | State |
| 2020-10-16 | CORNING INCORPORATED - MIDLAND | MIDLAND, Cabarrus, NC | Pass | State |
| 2020-10-16 | CORNING INCORPORATED - MIDLAND | MIDLAND, Cabarrus, NC | Pass | State |
| 2020-10-16 | CORNING INCORPORATED - MIDLAND | MIDLAND, Cabarrus, NC | Pass | State |
| 2020-10-16 | CORNING INCORPORATED - MIDLAND | MIDLAND, Cabarrus, NC | Pass | State |
| 2020-10-16 | DUKE ENERGY CAROLINAS, LLC - BUCK COMBINED CYCLE FACILITY | SALISBURY, Rowan, NC | Pass | State |
| 2020-10-16 | MCEWEN GOLD BAR MINE | EUREKA, Eureka, NV | Pass | State |
| 2020-10-16 | MCEWEN GOLD BAR MINE | EUREKA, Eureka, NV | Pass | State |
| 2020-10-16 | NORTH VALMY GENERATING STATION | VALMY, Humboldt, NV | Pass | State |
| 2020-10-16 | THE LUBRIZOL CORPORATION | PAINESVILLE, Lake, OH | Pass | State |
| 2020-10-16 | AMG VANADIUM LLC — high-priority violation on file | CAMBRIDGE, Guernsey, OH | Pass | State |
| 2020-10-16 | DEVON ENERGY PRODUCTION CO LP / MORNING THUNDER 36 PAD 2 | OMEGA, Blaine, OK | Pass | State |
| 2020-10-16 | FW MIDCON I LLC / BLACKJACK 1607 1 23MH | KINGFISHER, Kingfisher, OK | Pass | State |
| 2020-10-16 | MARKWEST OKLAHOMA GAS CO LLC / ALPHA COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2020-10-16 | DOMINION ENERGY - HOPEWELL POWER STATION | HOPEWELL, Hopewell (city), VA | Pass | State |
| 2020-10-16 | UNITED GRAIN CORPORATION — high-priority violation on file | VANCOUVER, Clark, WA | Pass | Local |
| 2020-10-16 | UNITED GRAIN CORPORATION — high-priority violation on file | VANCOUVER, Clark, WA | Pass | Local |
| 2020-10-15 | ROBERT'S TRUST COMPRESSOR STATION | DUNN COUNTY, Dunn, ND | Pass | U.S. EPA |
| 2020-10-15 | KRONOSPAN USA — high-priority violation on file | EASTABOGA, Calhoun, AL | Pass | State |
| 2020-10-15 | KRONOSPAN USA — high-priority violation on file | EASTABOGA, Calhoun, AL | Pass | State |
| 2020-10-15 | KRONOSPAN USA — high-priority violation on file | EASTABOGA, Calhoun, AL | Pass | State |
| 2020-10-15 | WELLBORN CABINETS INC | ASHLAND, Clay, AL | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.