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 |
|---|---|---|---|---|
| 2020-08-24 | EXPAND OPERATING LLC/JOEGUSWA WELL PAD | DUSHORE, Sullivan, PA | Pass | State |
| 2020-08-24 | OTTER TAIL POWER COMPANY | BIG STONE CITY, Grant, SD | Pass | State |
| 2020-08-24 | PACKAGING CORPORATION OF AMERICA — high-priority violation on file | WALLULA, Walla Walla, WA | Pass | State |
| 2020-08-24 | PACKAGING CORPORATION OF AMERICA — high-priority violation on file | WALLULA, Walla Walla, WA | Pass | State |
| 2020-08-24 | BP WEST COAST PRODUCTS LLC — high-priority violation on file | BLAINE, Whatcom, WA | Pending | Local |
| 2020-08-24 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | Pass | State |
| 2020-08-24 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | Pass | State |
| 2020-08-22 | HILCORP ALASKA, LLC / ANNA PLATFORM | KENAI, Kenai Peninsula, AK | Pass | State |
| 2020-08-22 | HILCORP ALASKA, LLC / ANNA PLATFORM | KENAI, Kenai Peninsula, AK | Pass | State |
| 2020-08-22 | AMRIZE CEMENT, INC. | THEODORE, Mobile, AL | Pass | State |
| 2020-08-22 | MIDLAND COGENERATION VENTURE — high-priority violation on file | MIDLAND, Midland, MI | Pass | State |
| 2020-08-22 | MAUSER CORP (RUSSELL STANLEY CORP) | WOODBRIDGE, Middlesex, NJ | Fail | State |
| 2020-08-22 | OWENS CORNING INSULATING SYSTEMS, LLC | NEWARK, Licking, OH | Pass | State |
| 2020-08-21 | INTERNATIONAL PAPER COMPANY | PRATTVILLE, Autauga, AL | Pass | State |
| 2020-08-21 | SWDA - MUNICIPAL SOLID WASTE LANDFILL | HUNTSVILLE, Madison, AL | Pending | Local |
| 2020-08-21 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2020-08-21 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2020-08-21 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2020-08-21 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2020-08-21 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2020-08-21 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2020-08-21 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2020-08-21 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2020-08-21 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2020-08-21 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2020-08-21 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2020-08-21 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-21 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2020-08-21 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2020-08-21 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2020-08-21 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2020-08-21 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2020-08-21 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2020-08-21 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2020-08-21 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2020-08-21 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2020-08-21 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2020-08-21 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2020-08-21 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2020-08-21 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2020-08-21 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2020-08-21 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2020-08-21 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2020-08-21 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2020-08-21 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2020-08-21 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2020-08-21 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2020-08-21 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2020-08-21 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2020-08-21 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2020-08-21 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2020-08-21 | U S NAVAL SUBMARINE BASE — high-priority violation on file | GROTON (HISTORICAL), New London, CT | Pass | State |
| 2020-08-21 | U S NAVAL SUBMARINE BASE — high-priority violation on file | GROTON (HISTORICAL), New London, CT | Pass | State |
| 2020-08-21 | ATLANTA GAS LIGHT CO. — high-priority violation on file | BALL GROUND, Cherokee, GA | Pass | State |
| 2020-08-21 | PLCP, L.P. | STEAMBOAT ROCK, Hardin, IA | Pass | State |
| 2020-08-21 | PLCP, L.P. | STEAMBOAT ROCK, Hardin, IA | Pass | State |
| 2020-08-21 | UNITY ENVIROTECH OF IL LLC | HENRY, Marshall, IL | Fail | 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.