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.
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.