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 |
|---|---|---|---|---|
| 2023-08-17 | DC WATER (BLUE PLAINS WASTEWATER TREATMENT FACILITY) — high-priority violation on file | WASHINGTON, District of Columbia, DC | Pass | State |
| 2023-08-17 | DC WATER (BLUE PLAINS WASTEWATER TREATMENT FACILITY) — high-priority violation on file | WASHINGTON, District of Columbia, DC | Pass | State |
| 2023-08-17 | ENVIVA, LLC | COTTONDALE, Jackson, FL | Pass | State |
| 2023-08-17 | ENVIVA, LLC | COTTONDALE, Jackson, FL | Pass | State |
| 2023-08-17 | ENVIVA, LLC | COTTONDALE, Jackson, FL | Pass | State |
| 2023-08-17 | ENVIVA, LLC | COTTONDALE, Jackson, FL | Pass | State |
| 2023-08-17 | ENVIVA, LLC | COTTONDALE, Jackson, FL | Pass | State |
| 2023-08-17 | ENVIVA, LLC | COTTONDALE, Jackson, FL | Pass | State |
| 2023-08-17 | FLORIDA POWER AND LIGHT COMPANY | LOXAHATCHEE, Palm Beach, FL | Pass | State |
| 2023-08-17 | FLORIDA POWER AND LIGHT COMPANY | LOXAHATCHEE, Palm Beach, FL | Pass | State |
| 2023-08-17 | ATLANTA GAS LIGHT COMPANY - MACON LNG PLANT | MACON, Jones, GA | Pass | State |
| 2023-08-17 | AURORA PACKING CO INC | NORTH AURORA, Kane, IL | Pass | State |
| 2023-08-17 | NASCOTE INDUSTRIES INC | NASHVILLE, Washington, IL | Pass | State |
| 2023-08-17 | PRAIRIE STATE GENERATING STATION | MARISSA, Washington, IL | Pass | State |
| 2023-08-17 | PRAIRIE STATE GENERATING STATION | MARISSA, Washington, IL | Pass | State |
| 2023-08-17 | ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file | NEWBURGH, Warrick, IN | Pass | State |
| 2023-08-17 | STRYTEN SALINA, LLC (AIR) | SALINA, Saline, KS | Pass | State |
| 2023-08-17 | HARSHMAN CONST (MASTER EQUIP LIST) (AIR) | CEDAR POINT, Marion, KS | Pass | State |
| 2023-08-17 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2023-08-17 | CLEVELAND-CLIFFS STEEL CORPORATION DEARBORN WORKS | DEARBORN, Wayne, MI | Pass | State |
| 2023-08-17 | PRYSMIAN CABLES AND SYSTEMS USA, LLC — high-priority violation on file | CLAREMONT, Catawba, NC | Pass | State |
| 2023-08-17 | CAROLINAEAST MEDICAL CENTER | NEW BERN, Craven, NC | Pass | State |
| 2023-08-17 | 1804 LTD. LLC - SPRINGBROOK GAS PLANT - AQ | WILLISTON, Williams, ND | Pass | State |
| 2023-08-17 | NPPD SHELDON STATION | HALLAM, Lancaster, NE | Pass | Local |
| 2023-08-17 | MACY J COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2023-08-17 | UNCLE RICHARD TB | JAL, Lea, NM | Pass | State |
| 2023-08-17 | JERRITT CANYON MINE — high-priority violation on file | ELKO, Elko, NV | Pass | State |
| 2023-08-17 | JERRITT CANYON MINE — high-priority violation on file | ELKO, Elko, NV | Pass | State |
| 2023-08-17 | GOLDSTRIKE MINE | CARLIN, Eureka, NV | Pass | State |
| 2023-08-17 | BLUE DIAMOND HILL GYPSUM — high-priority violation on file | BLUE DIAMOND, Clark, NV | Pass | Local |
| 2023-08-17 | OWENS-CORNING INSULATING SYSTEMS- FEURA BUSH | BETHLEHEM, Albany, NY | Pass | State |
| 2023-08-17 | ANCHOR GLASS - ELMIRA | ELMIRA(C), Chemung, NY | Pass | State |
| 2023-08-17 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2023-08-17 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2023-08-17 | NORTHSTAR BLUESCOPE STEEL, LLC | DELTA, Fulton, OH | Pass | State |
| 2023-08-17 | PINNACLE GAS PRODUCERS LLC | MORAINE, Montgomery, OH | Pass | State |
| 2023-08-17 | PINNACLE GAS PRODUCERS LLC | MORAINE, Montgomery, OH | Pass | State |
| 2023-08-17 | PINNACLE GAS PRODUCERS LLC | MORAINE, Montgomery, OH | Pass | State |
| 2023-08-17 | GREAT HORNED OWLS LLC / FERRELL PAD | LEEDEY, Dewey, OK | Pass | State |
| 2023-08-17 | BCE MACH III MIDSTREAM HOLDINGS LLC / SOUTH OF LINCOLN COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2023-08-17 | BCE MACH III MIDSTREAM HOLDINGS LLC / WAY SOUTH COMPRESSOR STATION | CASHION, Kingfisher, OK | Pass | State |
| 2023-08-17 | BCE MACH III MIDSTREAM HOLDINGS LLC / WAY SOUTH COMPRESSOR STATION | CASHION, Kingfisher, OK | Pass | State |
| 2023-08-17 | BCE MACH III MIDSTREAM HOLDINGS LLC / WAY SOUTH COMPRESSOR STATION | CASHION, Kingfisher, OK | Pass | State |
| 2023-08-17 | TOM STACK LLC / KARBACH COMPRESSOR STATION | OMEGA, Kingfisher, OK | Pass | State |
| 2023-08-17 | FW MIDCON I LLC / SARAH 1507 2H 3H 4H 5H 29 | OKARCHE, Kingfisher, OK | Pass | State |
| 2023-08-17 | DCP OPERATING CO LP / FORREST HILLS STATION | GUTHRIE, Logan, OK | Pass | State |
| 2023-08-17 | GEORGIA-PACIFIC WAUNA LLC — high-priority violation on file | CLATSKANIE, Clatsop, OR | Pass | State |
| 2023-08-17 | COLUMBIA GAS TRANS CORP/GETTYSBURG COMP STA | GETTYSBURG, Adams, PA | Pass | State |
| 2023-08-17 | JOHNSON MATTHEY/WAYNE PLT | WAYNE, Chester, PA | Fail | State |
| 2023-08-17 | JOHNSON MATTHEY/WAYNE PLT | WAYNE, Chester, PA | Pass | State |
| 2023-08-17 | JOHN MIDDLETON CO/KING OF PRUSSIA | KING OF PRUSSIA, Montgomery, PA | Pass | State |
| 2023-08-17 | JOHN MIDDLETON CO/KING OF PRUSSIA | KING OF PRUSSIA, Montgomery, PA | Pass | State |
| 2023-08-17 | REGENCY MARCELLUS GAS GATHERING LLC/ KORBAN COMP STA | HOP BOTTOM, Susquehanna, PA | Pass | State |
| 2023-08-17 | EXPAND OPERATING LLC/MARCUCCI JONES PAD | STEVENSVILLE, Bradford, PA | Pass | State |
| 2023-08-17 | NUCOR STEEL - BERKELEY | HUGER, Berkeley, SC | Pass | State |
| 2023-08-17 | NEW-INDY CATAWBA LLC | CATAWBA, York, SC | Pass | State |
| 2023-08-17 | BOGGS PAVING INC LYNCHES RIVER PLANT | JEFFERSON, Chesterfield, SC | Pass | State |
| 2023-08-17 | HOOD CONTAINER CORPORATION | WAVERLY, Humphreys, TN | Pass | State |
| 2023-08-17 | SONOCO PRODUCTS COMPANY — high-priority violation on file | MEMPHIS, Shelby, TN | Pass | Local |
| 2023-08-17 | ALLEN COMBINED CYCLE PLANT - TVA | MEMPHIS, Shelby, TN | Pass | Local |
| 2023-08-17 | FREEPORT TERMINAL | FREEPORT, Brazoria, TX | Pass | State |
| 2023-08-17 | FREEPORT TERMINAL | FREEPORT, Brazoria, TX | Pass | State |
| 2023-08-17 | FREEPORT TERMINAL | FREEPORT, Brazoria, TX | Pass | State |
| 2023-08-17 | FREEPORT TERMINAL | FREEPORT, Brazoria, TX | Pass | State |
| 2023-08-17 | HF SINCLAIR WOODS CROSS REFINERY (FORMERLY HOLLY) | WOODS CROSS, Davis, UT | Pass | State |
| 2023-08-17 | CROWN CORK AND SEAL USA INC - MARTINSVILLE | RIDGEWAY, Henry, VA | Pass | State |
| 2023-08-17 | CHEMTRADE SOLUTIONS LLC | ANACORTES, Skagit, WA | Pass | Local |
| 2023-08-17 | MULLINS CHEESE INC — high-priority violation on file | MOSINEE, Marathon, WI | Pass | State |
| 2023-08-17 | WESTLAKE NATRIUM LLC, WESTLAKE NATRIUM | PROCTOR, Marshall, WV | Pass | State |
| 2023-08-17 | WESTLAKE NATRIUM LLC, WESTLAKE NATRIUM | PROCTOR, Marshall, WV | Pass | State |
| 2023-08-17 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-08-17 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-08-17 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-08-17 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-08-17 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-08-17 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-08-17 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-08-17 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-08-17 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-08-17 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-08-17 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-08-17 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-08-17 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-08-17 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-08-17 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-08-17 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-08-17 | BIG ISLAND MINE & REFINERY (SISECAM WYOMING LLC) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2023-08-17 | BIG ISLAND MINE & REFINERY (SISECAM WYOMING LLC) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2023-08-17 | BIG ISLAND MINE & REFINERY (SISECAM WYOMING LLC) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2023-08-17 | BIG ISLAND MINE & REFINERY (SISECAM WYOMING LLC) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2023-08-17 | BIG ISLAND MINE & REFINERY (SISECAM WYOMING LLC) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2023-08-17 | BIG ISLAND MINE & REFINERY (SISECAM WYOMING LLC) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2023-08-17 | BIG ISLAND MINE & REFINERY (SISECAM WYOMING LLC) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2023-08-17 | BIG ISLAND MINE & REFINERY (SISECAM WYOMING LLC) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2023-08-17 | BIG ISLAND MINE & REFINERY (SISECAM WYOMING LLC) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2023-08-16 | HILCORP ALASKA, LLC / FLOW STATION #1 (FS 1) — high-priority violation on file | NORTH SLOPE BOROUGH, North Slope, AK | Pass | State |
| 2023-08-16 | C & C ASPHALT SEALING AND STRIPING INC | GUNTERSVILLE, Marshall, AL | Fail | State |
| 2023-08-16 | MMGK ARKOMA, LLC. - KIBLER COMPRESSOR | KIBLER, Crawford, AR | Pass | State |
| 2023-08-16 | ENTERGY ARKANSAS, LLC - WHITE BLUFF PLANT | REDFIELD, Jefferson, AR | Pass | State |
| 2023-08-16 | ABIDE FARMS, LLC | LITTLE ROCK, Pulaski, AR | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.