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 |
|---|---|---|---|---|
| 2020-08-21 | POET BIOREFINING SHELBYVILLE LLC — high-priority violation on file | SHELBYVILLE, Shelby, IN | Pass | State |
| 2020-08-21 | POET BIOREFINING SHELBYVILLE LLC — high-priority violation on file | SHELBYVILLE, Shelby, IN | Pass | State |
| 2020-08-21 | POET BIOREFINING SHELBYVILLE LLC — high-priority violation on file | SHELBYVILLE, Shelby, IN | Pass | State |
| 2020-08-21 | POET BIOREFINING SHELBYVILLE LLC — high-priority violation on file | SHELBYVILLE, Shelby, IN | Pass | State |
| 2020-08-21 | POET BIOREFINING SHELBYVILLE LLC — high-priority violation on file | SHELBYVILLE, Shelby, IN | Pass | State |
| 2020-08-21 | SEALED AIR CORPORATION - HUDSON | HUDSON, Caldwell, NC | Pass | State |
| 2020-08-21 | KAAPA ETHANOL RAVENNA LLC — high-priority violation on file | RAVENNA, Buffalo, NE | Pass | State |
| 2020-08-21 | OPPD NEBRASKA CITY STATION | NEBRASKA CITY, Otoe, NE | Pass | State |
| 2020-08-21 | RED HILLS COMPRESSOR STATION | BENNETT, Lea, NM | Pass | State |
| 2020-08-21 | OWENS CORNING INSULATING SYSTEMS, LLC | NEWARK, Licking, OH | Pass | State |
| 2020-08-21 | OWENS CORNING INSULATING SYSTEMS, LLC | NEWARK, Licking, OH | Pass | State |
| 2020-08-21 | OWENS CORNING INSULATING SYSTEMS, LLC | NEWARK, Licking, OH | Pass | State |
| 2020-08-21 | BOWERS ASPHALT & PAVING, INC — high-priority violation on file | WALBRIDGE, Wood, OH | Fail | State |
| 2020-08-21 | GSF ENERGY, LLC | CINCINNATI, Hamilton, OH | Pass | State |
| 2020-08-21 | GSF ENERGY, LLC | CINCINNATI, Hamilton, OH | Pass | State |
| 2020-08-21 | GSF ENERGY, LLC | CINCINNATI, Hamilton, OH | Pass | State |
| 2020-08-21 | GSF ENERGY, LLC | CINCINNATI, Hamilton, OH | Fail | State |
| 2020-08-21 | IRON HORSE MIDSTREAM LLC / REMINGTON COMPRESSOR STATION | MINCO, Grady, OK | Pass | State |
| 2020-08-21 | RED CEDAR GATHERING COMPANY - SAMBRITO COMPRESSOR STATION | SOUTHERN UTE RESERVATION, La Plata, CO | Pass | State |
| 2020-08-21 | KINDER MORGAN SOUTHEAST - ROANOKE #2 | ROANOKE, Roanoke, VA | Pass | State |
| 2020-08-21 | KINDER MORGAN SOUTHEAST - ROANOKE #1 | ROANOKE, Roanoke (city), VA | Pass | State |
| 2020-08-21 | PORT TOWNSEND PAPER CORPORATION — high-priority violation on file | PORT TOWNSEND, Jefferson, WA | Pass | State |
| 2020-08-20 | INTERNATIONAL PAPER COMPANY | PRATTVILLE, Autauga, AL | Pass | State |
| 2020-08-20 | AMRIZE CEMENT, INC. | THEODORE, Mobile, AL | Pass | State |
| 2020-08-20 | LHOIST NORTH AMERICA OF ALABAMA, LLC | ALABASTER, Shelby, AL | Pass | State |
| 2020-08-20 | DESOTO GATHERING COMPANY, LLC - SOUTH RAINBOW CPF-4 | CENTER RIDGE, Conway, AR | Pass | State |
| 2020-08-20 | DESOTO GATHERING COMPANY, LLC - SOUTH RAINBOW CPF-4 | CENTER RIDGE, Conway, AR | Pass | State |
| 2020-08-20 | CT GS BUILDING PRODUCTS, INC. | LITTLE ROCK, Pulaski, AR | Pass | State |
| 2020-08-20 | CT GS BUILDING PRODUCTS, INC. | LITTLE ROCK, Pulaski, AR | Pass | State |
| 2020-08-20 | CT GS BUILDING PRODUCTS, INC. | LITTLE ROCK, Pulaski, AR | Pass | State |
| 2020-08-20 | APS REDHAWK GENERATING FACILITY | MARICOPA COUNTY, Maricopa, AZ | Pending | Local |
| 2020-08-20 | ARLINGTON VALLEY — high-priority violation on file | MARICOPA COUNTY, Maricopa, AZ | Pending | Local |
| 2020-08-20 | TESORO REFINING & MARKETING CO, LLC — high-priority violation on file | CARSON, Los Angeles, CA | Pass | Local |
| 2020-08-20 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2020-08-20 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2020-08-20 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2020-08-20 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2020-08-20 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2020-08-20 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2020-08-20 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2020-08-20 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2020-08-20 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2020-08-20 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2020-08-20 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2020-08-20 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-08-20 | NRO - AEROSPACE DATA FACIITY (ADF-C) | AURORA, Arapahoe, CO | Pass | State |
| 2020-08-20 | MIAMI-DADE WATER AND SEWER DEPARTMENT | MIAMI, Miami-Dade, FL | Pass | State |
| 2020-08-20 | MIAMI-DADE WATER AND SEWER DEPARTMENT | MIAMI, Miami-Dade, FL | Pass | State |
| 2020-08-20 | FLORIDA POWER & LIGHT (PMR) | INDIANTOWN, Martin, FL | Pass | State |
| 2020-08-20 | FLORIDA POWER & LIGHT (PMR) | INDIANTOWN, Martin, FL | Pass | State |
| 2020-08-20 | ATLANTA GAS LIGHT CO. — high-priority violation on file | BALL GROUND, Cherokee, GA | Pass | State |
| 2020-08-20 | ATLANTA GAS LIGHT CO. — high-priority violation on file | BALL GROUND, Cherokee, GA | Pass | State |
| 2020-08-20 | KENSING LLC | KANKAKEE, Kankakee, IL | Fail | State |
| 2020-08-20 | ARCHER DANIELS MIDLAND CO — high-priority violation on file | DECATUR, Macon, IL | Pass | State |
| 2020-08-20 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2020-08-20 | POET BIOREFINING SHELBYVILLE LLC — high-priority violation on file | SHELBYVILLE, Shelby, IN | Pass | State |
| 2020-08-20 | POET BIOREFINING SHELBYVILLE LLC — high-priority violation on file | SHELBYVILLE, Shelby, IN | Pass | State |
| 2020-08-20 | POET BIOREFINING SHELBYVILLE LLC — high-priority violation on file | SHELBYVILLE, Shelby, IN | Pass | State |
| 2020-08-20 | POET BIOREFINING SHELBYVILLE LLC — high-priority violation on file | SHELBYVILLE, Shelby, IN | Pass | State |
| 2020-08-20 | POET BIOREFINING SHELBYVILLE LLC — high-priority violation on file | SHELBYVILLE, Shelby, IN | Pass | State |
| 2020-08-20 | POET BIOREFINING SHELBYVILLE LLC — high-priority violation on file | SHELBYVILLE, Shelby, IN | Pass | State |
| 2020-08-20 | POET BIOREFINING SHELBYVILLE LLC — high-priority violation on file | SHELBYVILLE, Shelby, IN | Pass | State |
| 2020-08-20 | POET BIOREFINING SHELBYVILLE LLC — high-priority violation on file | SHELBYVILLE, Shelby, IN | Pass | State |
| 2020-08-20 | POET BIOREFINING SHELBYVILLE LLC — high-priority violation on file | SHELBYVILLE, Shelby, IN | 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.