EPA Air · stack tests by year
Air-emissions stack tests in 2023
- 26,911Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2023
- California 7,676
- Ohio 2,800
- Florida 1,589
- Indiana 1,487
- Oklahoma 1,420
- New Mexico 1,087
- Georgia 1,057
- Pennsylvania 889
- Alabama 689
- Wyoming 670
- Mississippi 625
- Arkansas 602
- Iowa 453
- Colorado 436
- Texas 395
- Missouri 328
- North Carolina 302
- Washington 283
- Wisconsin 251
- Michigan 229
- Minnesota 228
- Delaware 224
- South Carolina 222
- West Virginia 218
- Kentucky 210
- Tennessee 200
- Utah 196
- Montana 177
- Virginia 170
- North Dakota 157
- Illinois 152
- Nebraska 152
- Alaska 140
- Nevada 127
- New York 123
- Maine 111
- Connecticut 108
- Arizona 102
- Louisiana 77
- Idaho 77
- Hawaii 72
- New Hampshire 58
- New Jersey 56
- South Dakota 54
- Maryland 49
- Kansas 45
- Oregon 44
- District of Columbia 36
- Massachusetts 27
- Rhode Island 20
- Puerto Rico 6
- Vermont 5
Other years
Air-emissions stack tests recorded in 2023
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2023-10-09 | BIG ISLAND MINE & REFINERY (SISECAM WYOMING LLC) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2023-10-09 | BIG ISLAND MINE & REFINERY (SISECAM WYOMING LLC) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2023-10-09 | BIG ISLAND MINE & REFINERY (SISECAM WYOMING LLC) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2023-10-06 | CIRCLE K INDUSTRIES LLC | CALERA, Shelby, AL | Pass | State |
| 2023-10-06 | CMBIOMASS — high-priority violation on file | JACKSON, Clarke, AL | Pass | State |
| 2023-10-06 | LEHIGH CEMENT COMPANY | LEEDS, Jefferson, AL | Pass | Local |
| 2023-10-06 | ALTERNATIVE WASTE MANAGEMENT LLC | MAYFLOWER, Faulkner, AR | Pass | State |
| 2023-10-06 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-10-06 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-10-06 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-10-06 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-10-06 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-10-06 | PACIFIC SOUTHWEST CONTAINER, LLC | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-10-06 | DUKE ENERGY FLORIDA, LLC | INTERCESSION CITY, Osceola, FL | Pass | State |
| 2023-10-06 | DUKE ENERGY FLORIDA, LLC | INTERCESSION CITY, Osceola, FL | Pass | State |
| 2023-10-06 | ARCHER DANIELS MIDLAND COMPANY (ADM) — high-priority violation on file | VALDOSTA, Lowndes, GA | Pass | State |
| 2023-10-06 | ARCHER DANIELS MIDLAND COMPANY (ADM) — high-priority violation on file | VALDOSTA, Lowndes, GA | Pass | State |
| 2023-10-06 | GAS TRANSMISSION NORTHWEST - COMPRESSOR STATION 5 - ATHOL | ATHOL, Kootenai, ID | Fail | State |
| 2023-10-06 | MEDLINE INDUSTRIES INC NORTHPOINT SERVICES DIV | WAUKEGAN, Lake, IL | Pass | State |
| 2023-10-06 | ILLINOIS CEMENT CO | LASALLE, La Salle, IL | Pass | State |
| 2023-10-06 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2023-10-06 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2023-10-06 | SIKESTON POWER STATION | SIKESTON, Scott, MO | Pass | State |
| 2023-10-06 | ROCKY MOUNTAIN POWER | HARDIN, Big Horn, MT | Pass | State |
| 2023-10-06 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2023-10-06 | MINN-DAK FARMERS COOPERATIVE (MDFC) - WAHPETON PLANT - AQ | WAHPETON, Richland, ND | Pass | State |
| 2023-10-06 | ADM CORN PROCESSING — high-priority violation on file | COLUMBUS, Platte, NE | N/A | State |
| 2023-10-06 | BD PHARMACEUTICAL SYSTEMS | COLUMBUS, Platte, NE | N/A | State |
| 2023-10-06 | EOG RESOURCES, INC. - APPLEGATH BOOSTER STATION | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2023-10-06 | EOG RESOURCES, INC. - APPLEGATH BOOSTER STATION | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2023-10-06 | EOG RESOURCES, INC. - APPLEGATH BOOSTER STATION | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2023-10-06 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-06 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-06 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-06 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-06 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-06 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-06 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-06 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-06 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-06 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-06 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-06 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-06 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-06 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-06 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-06 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-06 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-06 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-06 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-06 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-06 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-06 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-06 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-06 | EQM OLYMP MIDSTM GOLIATH, GODZILLA FORTRESS CMPRSR STNS | BEALLSVILLE, Monroe, OH | Pass | State |
| 2023-10-06 | PPG INDUSTRIES OHIO, INC. | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2023-10-06 | PPG INDUSTRIES OHIO, INC. | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2023-10-06 | PPG INDUSTRIES OHIO, INC. | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2023-10-06 | PPG INDUSTRIES OHIO, INC. | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2023-10-06 | TOM STACK LLC / REPUBLIC STATION | TUTTLE, Grady, OK | Pass | State |
| 2023-10-06 | CONTINENTAL RESOURCES / LILLIAN 2 14 23XHW 3 14 23XHM | BLANCHARD, Grady, OK | Pass | State |
| 2023-10-06 | CONTINENTAL RESOURCES / OTT 2 24H ROMANOFF 3 24 13XHW | DIBBLE, Grady, OK | Pass | State |
| 2023-10-06 | EOG RESOURCES INC / LELIA 5X 1H PRODUCTION FACILITY | BLANCHARD, McClain, OK | Pass | State |
| 2023-10-06 | EOG RESOURCES INC / LELIA 5X 1H PRODUCTION FACILITY | BLANCHARD, McClain, OK | Pass | State |
| 2023-10-06 | ET GATHERING PROCESSING LLC / ROSE VALLEY PLANT | ALVA, Woods, OK | Pass | State |
| 2023-10-06 | MARKWEST LIBERTY MID & RES / HOSKINS BOOSTER COMP STA | CLAYSVILLE, Washington, PA | Pass | State |
| 2023-10-06 | VOLVO CAR USA LLC | RIDGEVILLE, Berkeley, SC | Pass | State |
| 2023-10-06 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | BEAUMONT, Jefferson, TX | N/A | State |
| 2023-10-06 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | BEAUMONT, Jefferson, TX | N/A | State |
| 2023-10-06 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | BEAUMONT, Jefferson, TX | Pass | State |
| 2023-10-06 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | BEAUMONT, Jefferson, TX | Pass | State |
| 2023-10-06 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | BEAUMONT, Jefferson, TX | Pass | State |
| 2023-10-06 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | BEAUMONT, Jefferson, TX | Pass | State |
| 2023-10-06 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | BEAUMONT, Jefferson, TX | N/A | State |
| 2023-10-06 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | BEAUMONT, Jefferson, TX | N/A | State |
| 2023-10-06 | PORT ARTHUR REFINERY — high-priority violation on file | PORT ARTHUR, Jefferson, TX | Pass | State |
| 2023-10-06 | PORT ARTHUR REFINERY — high-priority violation on file | PORT ARTHUR, Jefferson, TX | Pass | State |
| 2023-10-06 | CORPUS CHRISTI LIQUEFACTION — high-priority violation on file | GREGORY, San Patricio, TX | Pass | State |
| 2023-10-06 | CORPUS CHRISTI LIQUEFACTION — high-priority violation on file | GREGORY, San Patricio, TX | Pass | State |
| 2023-10-06 | CORPUS CHRISTI LIQUEFACTION — high-priority violation on file | GREGORY, San Patricio, TX | Pass | State |
| 2023-10-06 | CORPUS CHRISTI LIQUEFACTION — high-priority violation on file | GREGORY, San Patricio, TX | Pass | State |
| 2023-10-06 | CORPUS CHRISTI LIQUEFACTION — high-priority violation on file | GREGORY, San Patricio, TX | Pass | State |
| 2023-10-06 | CORPUS CHRISTI LIQUEFACTION — high-priority violation on file | GREGORY, San Patricio, TX | Pass | State |
| 2023-10-06 | CORPUS CHRISTI LIQUEFACTION — high-priority violation on file | GREGORY, San Patricio, TX | Pass | State |
| 2023-10-06 | CORPUS CHRISTI LIQUEFACTION — high-priority violation on file | GREGORY, San Patricio, TX | Pass | State |
| 2023-10-06 | CORPUS CHRISTI LIQUEFACTION — high-priority violation on file | GREGORY, San Patricio, TX | Pass | State |
| 2023-10-06 | CORPUS CHRISTI LIQUEFACTION — high-priority violation on file | GREGORY, San Patricio, TX | Pass | State |
| 2023-10-06 | CORPUS CHRISTI LIQUEFACTION — high-priority violation on file | GREGORY, San Patricio, TX | Pass | State |
| 2023-10-06 | CORPUS CHRISTI LIQUEFACTION — high-priority violation on file | GREGORY, San Patricio, TX | Pass | State |
| 2023-10-06 | CORPUS CHRISTI LIQUEFACTION — high-priority violation on file | GREGORY, San Patricio, TX | Pass | State |
| 2023-10-06 | CORPUS CHRISTI LIQUEFACTION — high-priority violation on file | GREGORY, San Patricio, TX | Pass | State |
| 2023-10-06 | CORPUS CHRISTI LIQUEFACTION — high-priority violation on file | GREGORY, San Patricio, TX | Pass | State |
| 2023-10-06 | CORPUS CHRISTI LIQUEFACTION — high-priority violation on file | GREGORY, San Patricio, TX | Pass | State |
| 2023-10-06 | CORPUS CHRISTI LIQUEFACTION — high-priority violation on file | GREGORY, San Patricio, TX | Pass | State |
| 2023-10-06 | CORPUS CHRISTI LIQUEFACTION — high-priority violation on file | GREGORY, San Patricio, TX | Pass | State |
| 2023-10-06 | SHINNERY OAK COMPRESSOR STATION | RANKIN, Upton, TX | Pass | State |
| 2023-10-06 | SHINNERY OAK COMPRESSOR STATION | RANKIN, Upton, TX | Pass | State |
| 2023-10-06 | SHINNERY OAK COMPRESSOR STATION | RANKIN, Upton, TX | Pass | State |
| 2023-10-06 | SHINNERY OAK COMPRESSOR STATION | RANKIN, Upton, TX | Pass | State |
| 2023-10-06 | ROANOKE CEMENT COMPANY | TROUTVILLE, Botetourt, VA | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.