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 |
|---|---|---|---|---|
| 2020-09-23 | HOOD INDUSTRIES INC, WIGGINS PLYWOOD PLANT | WIGGINS, Stone, MS | Pass | State |
| 2020-09-23 | HOOD INDUSTRIES INC, WIGGINS PLYWOOD PLANT | WIGGINS, Stone, MS | Pass | State |
| 2020-09-23 | HOOD INDUSTRIES INC, WIGGINS PLYWOOD PLANT | WIGGINS, Stone, MS | Pass | State |
| 2020-09-23 | ROCKY MOUNTAIN LABORATORIES FACILITY | HAMILTON, Ravalli, MT | Pass | State |
| 2020-09-23 | GRIFOLS THERAPEUTICS LLC | CLAYTON, Johnston, NC | Pass | State |
| 2020-09-23 | DOMTAR PAPER COMPANY, LLC | PLYMOUTH, Martin, NC | Pending | State |
| 2020-09-23 | ATLANTIC CNTY UTIL AUTH CITY ISLAND WWTP | ATLANTIC CITY, Atlantic, NJ | Fail | State |
| 2020-09-23 | RAIDER COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2020-09-23 | RAIDER COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2020-09-23 | JANIE CONNER FACILITY — high-priority violation on file | MALAGA, Eddy, NM | Pass | State |
| 2020-09-23 | MADERA 19 FED COM 26-35-10 5H 1H 2H 6H | JAL, Lea, NM | Pass | State |
| 2020-09-23 | WESTERN REFINING - GALLUP REFINERY | GALLUP, McKinley, NM | Pass | State |
| 2020-09-23 | JERRITT CANYON MINE — high-priority violation on file | ELKO, Elko, NV | Fail | State |
| 2020-09-23 | STERICYCLE INC | WARREN, Trumbull, OH | Pass | State |
| 2020-09-23 | ENBRIDGE GAS OHIO - CHIPPEWA STATION | DOYLESTOWN, Wayne, OH | Pass | State |
| 2020-09-23 | ENBRIDGE GAS OHIO - CHIPPEWA STATION | DOYLESTOWN, Wayne, OH | Pass | State |
| 2020-09-23 | ENBRIDGE GAS OHIO - CHIPPEWA STATION | DOYLESTOWN, Wayne, OH | Pass | State |
| 2020-09-23 | ENBRIDGE GAS OHIO - CHIPPEWA STATION | DOYLESTOWN, Wayne, OH | Pass | State |
| 2020-09-23 | ENBRIDGE GAS OHIO - CHIPPEWA STATION | DOYLESTOWN, Wayne, OH | Pass | State |
| 2020-09-23 | ENBRIDGE GAS OHIO - CHIPPEWA STATION | DOYLESTOWN, Wayne, OH | Pass | State |
| 2020-09-23 | ENBRIDGE GAS OHIO - CHIPPEWA STATION | DOYLESTOWN, Wayne, OH | Pass | State |
| 2020-09-23 | ENBRIDGE GAS OHIO - CHIPPEWA STATION | DOYLESTOWN, Wayne, OH | Pass | State |
| 2020-09-23 | ENBRIDGE GAS OHIO - CHIPPEWA STATION | DOYLESTOWN, Wayne, OH | Pass | State |
| 2020-09-23 | ENBRIDGE GAS OHIO - CHIPPEWA STATION | DOYLESTOWN, Wayne, OH | Pass | State |
| 2020-09-23 | SHELLY MATERIALS PLANT NO 82 | LIMA, Allen, OH | Pass | State |
| 2020-09-23 | LIMA REFINING COMPANY — high-priority violation on file | LIMA, Allen, OH | Pass | State |
| 2020-09-23 | LIMA REFINING COMPANY — high-priority violation on file | LIMA, Allen, OH | Pass | State |
| 2020-09-23 | LIMA REFINING COMPANY — high-priority violation on file | LIMA, Allen, OH | Pass | State |
| 2020-09-23 | LIMA REFINING COMPANY — high-priority violation on file | LIMA, Allen, OH | Pass | State |
| 2020-09-23 | PILKINGTON NORTH AMERICA INC — high-priority violation on file | ROSSFORD, Wood, OH | Pass | State |
| 2020-09-23 | THE MEDICAL CENTER COMPANY | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2020-09-23 | THE MEDICAL CENTER COMPANY | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2020-09-23 | CATOOSA TEST FACILITY LLC / HALLETT TEST SITE | HALLETT, Pawnee, OK | Pass | State |
| 2020-09-23 | CONTINENTAL RESOURCES / POTEET 1 17H | BRAY, Stephens, OK | Pass | State |
| 2020-09-23 | CONTINENTAL RESOURCES / POTEET 8 17 20XH POTEET 7 17 20XH | BRAY, Stephens, OK | Pass | State |
| 2020-09-23 | TENNESSEE GAS PIPELINE CO/319 WYALUSING | WYALUSING, Bradford, PA | Pass | State |
| 2020-09-23 | APPALACHIA MIDSTREAM SVC LLC/GRANVILLE STA 2 | GRANVILLE SUMMIT, Bradford, PA | Pass | State |
| 2020-09-23 | SOUTHWESTERN ENERGY CO/KOZIOL 5H-6H | NEW MILFORD, Susquehanna, PA | Pass | State |
| 2020-09-23 | USS/CLAIRTON WORKS — high-priority violation on file | CLAIRTON, Allegheny, PA | Pass | Local |
| 2020-09-23 | RI DEPT.OF ADMINISTRATION,PASTORE CENTER | CRANSTON, Providence, RI | Pass | State |
| 2020-09-23 | SANTEE COOPER CROSS GENERATING STATION — high-priority violation on file | PINEVILLE, Berkeley, SC | Pass | State |
| 2020-09-23 | PL DEVELOPMENTS LLC — high-priority violation on file | PIEDMONT, Greenville, SC | Pass | State |
| 2020-09-23 | FLORIM USA, INC. | CLARKSVILLE, Montgomery, TN | Pass | State |
| 2020-09-23 | PORT ARTHUR REFINERY — high-priority violation on file | PORT ARTHUR, Jefferson, TX | Pass | State |
| 2020-09-23 | OXBOW CALCINING | PORT ARTHUR, Jefferson, TX | Pass | State |
| 2020-09-23 | CHEVRON PHILLIPS CHEMICAL PORT ARTHUR FACILITY — high-priority violation on file | PORT ARTHUR, Jefferson, TX | Pass | State |
| 2020-09-23 | GRAHAM FUNERAL SERVICES INC | CHESAPEAKE, Chesapeake (city), VA | Pass | State |
| 2020-09-23 | HAMPTON LUMBER MILLS - RANDLE — high-priority violation on file | RANDLE, Lewis, WA | Pending | Local |
| 2020-09-23 | COLUMBIA GAS TRANSMISSION, LLC, HUBBALL | BRANCHLAND, Lincoln, WV | Pass | State |
| 2020-09-23 | AOC MATERIALS, LLC, NEAL PLANT | KENOVA, Wayne, WV | Pass | State |
| 2020-09-23 | FLETCHER/TERHUNE (POWDER RIVER MIDSTREAM, LLC) | JOHNSON COUNTY, Johnson, WY | Pending | State |
| 2020-09-23 | WESTVACO FACILITY (WE SODA WYOMING LP) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2020-09-23 | PAINTER COMPRESSOR STATION (KERN RIVER GAS TRANSMISSION) | EVANSTON, Uinta, WY | Pass | State |
| 2020-09-22 | BONANZA POWER PLANT | BONANZA, Uintah, UT | Pass | U.S. EPA |
| 2020-09-22 | US AIR FORCE (EIELSON) / EIELSON AIR FORCE BASE — high-priority violation on file | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2020-09-22 | HILCORP ALASKA, LLC / BEAVER CREEK PRODUCTION FACILITY | KENAI, Kenai Peninsula, AK | Pass | State |
| 2020-09-22 | HILCORP ALASKA, LLC / CENTRAL GAS FACILITY (CGF) — high-priority violation on file | NORTH SLOPE BOROUGH, North Slope, AK | N/A | State |
| 2020-09-22 | KRONOSPAN USA — high-priority violation on file | EASTABOGA, Calhoun, AL | Pass | State |
| 2020-09-22 | KRONOSPAN USA — high-priority violation on file | EASTABOGA, Calhoun, AL | Pass | State |
| 2020-09-22 | KRONOSPAN USA — high-priority violation on file | EASTABOGA, Calhoun, AL | Pass | State |
| 2020-09-22 | KRONOSPAN USA — high-priority violation on file | EASTABOGA, Calhoun, AL | Pass | State |
| 2020-09-22 | GEORGIA-PACIFIC BREWTON LLC | BREWTON, Escambia, AL | Pass | State |
| 2020-09-22 | WESTROCK COATED BOARD LLC-MAHRT MILL | PHENIX CITY, Russell, AL | Pass | State |
| 2020-09-22 | KYKENKEE INC/KUTZ LLC | VANCE, Tuscaloosa, AL | Pass | State |
| 2020-09-22 | DESOTO GATHERING COMPANY, LLC - COVE CREEK CPF-4 | DAMASCUS, Van Buren, AR | Pass | State |
| 2020-09-22 | DESOTO GATHERING COMPANY, LLC - COVE CREEK CPF-4 | DAMASCUS, Van Buren, AR | Pass | State |
| 2020-09-22 | PHOENIX CEMENT | CLARKDALE, Yavapai, AZ | Pending | U.S. EPA |
| 2020-09-22 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-22 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-22 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-22 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-22 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-22 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-22 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-22 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-22 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-22 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-22 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-22 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-22 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-22 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-22 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-22 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-22 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-22 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-22 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-22 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-22 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-22 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-22 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-22 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-22 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-22 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-22 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-22 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-22 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | State |
| 2020-09-22 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | State |
| 2020-09-22 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | State |
| 2020-09-22 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | State |
| 2020-09-22 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | 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.