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 |
|---|---|---|---|---|
| 2023-11-06 | TENNESSEE GAS PIPELINE STATION 261 | AGAWAM, Hampden, MA | Incomplete | State |
| 2023-11-06 | S. T. WOOTEN CORPORATION - PLT 15 GREENVILLE | GREENVILLE, Pitt, NC | Fail | State |
| 2023-11-06 | FIREBALL GROUP LLC DATA CENTER — high-priority violation on file | PAPILLION, Sarpy, NE | N/A | State |
| 2023-11-06 | WILLOW LAKE GAS PROCESSING PLANT | MALAGA, Eddy, NM | Pass | State |
| 2023-11-06 | WILLOW LAKE GAS PROCESSING PLANT | MALAGA, Eddy, NM | Pass | State |
| 2023-11-06 | WILLOW LAKE GAS PROCESSING PLANT | MALAGA, Eddy, NM | Pass | State |
| 2023-11-06 | WILLOW LAKE GAS PROCESSING PLANT | MALAGA, Eddy, NM | Pass | State |
| 2023-11-06 | SPARTAN COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2023-11-06 | SPARTAN COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2023-11-06 | LONGWOOD - STEBBINS COMPRESSOR STATION | CARLSBAD, Eddy, NM | Pass | State |
| 2023-11-06 | LONGWOOD - STEBBINS COMPRESSOR STATION | CARLSBAD, Eddy, NM | Pass | State |
| 2023-11-06 | LONGWOOD - STEBBINS COMPRESSOR STATION | CARLSBAD, Eddy, NM | Pass | State |
| 2023-11-06 | LONGWOOD - STEBBINS COMPRESSOR STATION | CARLSBAD, Eddy, NM | Pass | State |
| 2023-11-06 | MILKY WAY COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2023-11-06 | EOG RESOURCES, INC. - K WALLACE 4-11-6 PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-11-06 | EOG RESOURCES, INC. - K WALLACE 4-11-6 PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-11-06 | PEOPLES ELECTRIC COOP / CENTRAHOMA — high-priority violation on file | CENTRAHOMA, Coal, OK | Pass | State |
| 2023-11-06 | FOUNDATION ENERGY MANAGEMENT LLC / NORTHRIDGE GAS PLANT | GERTY, Hughes, OK | Pass | State |
| 2023-11-06 | RENEWAL PROCESSING INC/WATSONTOWN PLT — high-priority violation on file | WATSONTOWN, Northumberland, PA | Pending | State |
| 2023-11-06 | NORBORD TEXAS NACOGDOCHES | NACOGDOCHES, Nacogdoches, TX | Pass | State |
| 2023-11-06 | NORBORD TEXAS NACOGDOCHES | NACOGDOCHES, Nacogdoches, TX | Pass | State |
| 2023-11-06 | NORBORD TEXAS NACOGDOCHES | NACOGDOCHES, Nacogdoches, TX | Fail | State |
| 2023-11-06 | NORBORD TEXAS NACOGDOCHES | NACOGDOCHES, Nacogdoches, TX | Fail | State |
| 2023-11-06 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-11-06 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-11-06 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-11-06 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-11-06 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-11-06 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-11-06 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-11-06 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-11-06 | HF SINCLAIR PARCO REFINING LLC — high-priority violation on file | SINCLAIR, Carbon, WY | Pass | State |
| 2023-11-06 | HF SINCLAIR PARCO REFINING LLC — high-priority violation on file | SINCLAIR, Carbon, WY | Pass | State |
| 2023-11-04 | EASTERN MAINE MEDICAL CENTER | BANGOR, Penobscot, ME | Pass | State |
| 2023-11-04 | EASTERN MAINE MEDICAL CENTER | BANGOR, Penobscot, ME | Pass | State |
| 2023-11-04 | KANSAS CITY SAUSAGE CO, LLC DBA COASTAL PROTEIN | GODWIN, Sampson, NC | Pass | State |
| 2023-11-03 | SANDERS LEAD CO | TROY, Pike, AL | Fail | State |
| 2023-11-03 | ECO-VISTA, LLC - WASTE MANAGEMENT OF ARKANSAS, INC. — high-priority violation on file | SPRINGDALE, Washington, AR | Pass | State |
| 2023-11-03 | ECO-VISTA, LLC - WASTE MANAGEMENT OF ARKANSAS, INC. — high-priority violation on file | SPRINGDALE, Washington, AR | Pass | State |
| 2023-11-03 | ECO-VISTA, LLC - WASTE MANAGEMENT OF ARKANSAS, INC. — high-priority violation on file | SPRINGDALE, Washington, AR | Pass | State |
| 2023-11-03 | ECO-VISTA, LLC - WASTE MANAGEMENT OF ARKANSAS, INC. — high-priority violation on file | SPRINGDALE, Washington, AR | Pass | State |
| 2023-11-03 | ECO-VISTA, LLC - WASTE MANAGEMENT OF ARKANSAS, INC. — high-priority violation on file | SPRINGDALE, Washington, AR | Pass | State |
| 2023-11-03 | SOUTHERN CALIFORNIA EDISON | REDLANDS, San Bernardino, CA | Pass | Local |
| 2023-11-03 | SOUTHERN CALIFORNIA EDISON | REDLANDS, San Bernardino, CA | Pass | Local |
| 2023-11-03 | VERDAD RESOURCES - PEGGY 2501-2525 PAD | RAYMER (NEW RAYMER) 12.2 MI. N, Weld, CO | Pass | State |
| 2023-11-03 | COVALENCE DJ, LLC - BIGFOOT 11 | KERSEY AREA, Weld, CO | Pass | State |
| 2023-11-03 | PITTMAN CONSTRUCTION COMPANY | GREENSBORO, Greene, GA | Pass | State |
| 2023-11-03 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2023-11-03 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2023-11-03 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2023-11-03 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2023-11-03 | MONTPELIER GENERATING STATION LLC — high-priority violation on file | PONETO, Wells, IN | Pass | State |
| 2023-11-03 | MONTPELIER GENERATING STATION LLC — high-priority violation on file | PONETO, Wells, IN | Pass | State |
| 2023-11-03 | MONTPELIER GENERATING STATION LLC — high-priority violation on file | PONETO, Wells, IN | Pass | State |
| 2023-11-03 | MONTPELIER GENERATING STATION LLC — high-priority violation on file | PONETO, Wells, IN | Pass | State |
| 2023-11-03 | HOLCIM NER INC | WATERTOWN, Middlesex, MA | Pass | State |
| 2023-11-03 | DAKOTA AGGREGATES - UMORE PARK FACILITY | ROSEMOUNT, Dakota, MN | Pass | State |
| 2023-11-03 | SOFIDEL AMERICA - DULUTH — high-priority violation on file | DULUTH, St. Louis, MN | Pass | State |
| 2023-11-03 | RESINALL CORP | HATTIESBURG, Forrest, MS | Pass | State |
| 2023-11-03 | RESINALL CORP | HATTIESBURG, Forrest, MS | Pass | State |
| 2023-11-03 | AMERICAN CRYSTAL SUGAR COMPANY (ACS) - DRAYTON PLANT - AQ | DRAYTON, Pembina, ND | Pass | State |
| 2023-11-03 | GREEN PLAINS WOOD RIVER LLC — high-priority violation on file | WOOD RIVER, Hall, NE | N/A | State |
| 2023-11-03 | OPPD NEBRASKA CITY STATION | NEBRASKA CITY, Otoe, NE | Pass | State |
| 2023-11-03 | TIGER COMPRESSOR STATION — high-priority violation on file | MALAGA, Eddy, NM | Pass | State |
| 2023-11-03 | FRAC CAT COMPRESSOR STATION | LOVING, Lea, NM | Pass | State |
| 2023-11-03 | FRAC CAT COMPRESSOR STATION | LOVING, Lea, NM | Pass | State |
| 2023-11-03 | EOG - RED HILLS SOLAR LOCALIZED GAS LIFT STATION | JAL, Lea, NM | Pass | State |
| 2023-11-03 | PONY EXPRESS FED WEST TB | MONUMENT, Lea, NM | Pass | State |
| 2023-11-03 | ALBANY COUNTY WATER PURIFICATION DISTRICT - NORTH PLANT | MENANDS, Albany, NY | Pass | State |
| 2023-11-03 | RAP MANAGEMENT LLC | COLUMBUS, Franklin, OH | Pass | State |
| 2023-11-03 | EOG RESOURCES, INC. - KOVACH 3-15-6 PAD | CARROLLTON, Carroll, OH | Pass | State |
| 2023-11-03 | EOG RESOURCES, INC. - EDISON RUBY CR ORG PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2023-11-03 | EOG RESOURCES, INC. - EDISON RUBY CR ORG PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2023-11-03 | EOG RESOURCES, INC. - EDISON RUBY CR ORG PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2023-11-03 | SUNRISE COOPERATIVE INC. | GALION, Crawford, OH | Pass | State |
| 2023-11-03 | EOG RESOURCES, INC. - JAMAR 15-13-6 PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2023-11-03 | EOG RESOURCES, INC. - JAMAR 15-13-6 PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2023-11-03 | CONTINENTAL RESOURCES / EMPIRE 1 17 20XHW | RATLIFF CITY, Carter, OK | Pass | State |
| 2023-11-03 | TOM STACK LLC / COOP COMPRESSOR FACILITY | OKARCHE, Kingfisher, OK | Pass | State |
| 2023-11-03 | EOG RESOURCES INC / HAWK DUAL CTB | NEWCASTLE, McClain, OK | Pass | State |
| 2023-11-03 | SANTEE COOPER CROSS GENERATING STATION — high-priority violation on file | PINEVILLE, Berkeley, SC | Pass | State |
| 2023-11-03 | MOST, INC.- MISSOURI SMELTING TECHNOLOGY, INC. | JACKSON, Madison, TN | Pass | State |
| 2023-11-03 | PHILIP MORRIS USA MANUFACTURING CENTER | RICHMOND, Richmond (city), VA | Pass | State |
| 2023-11-03 | WAUPACA FOUNDRY INC - PLANT 1 | WAUPACA, Waushara, WI | Pass | State |
| 2023-11-02 | SANDERS LEAD CO | TROY, Pike, AL | Fail | State |
| 2023-11-02 | SANDERS LEAD CO | TROY, Pike, AL | Pass | State |
| 2023-11-02 | SANDERS LEAD CO | TROY, Pike, AL | Fail | State |
| 2023-11-02 | SANDERS LEAD CO | TROY, Pike, AL | Fail | State |
| 2023-11-02 | CER GENERATION LLC | ALEXANDER CITY, Tallapoosa, AL | Pass | State |
| 2023-11-02 | ENABLE GAS TRANSMISSION, LLC (MALVERN COMPRESSOR STATION) | MALVERN, Hot Spring, AR | Pass | State |
| 2023-11-02 | UCD MEDICAL CENTER | SACRAMENTO, Sacramento, CA | Pass | Local |
| 2023-11-02 | CITY OF SACRAMENTO - 28TH ST LANDFILL | SACRAMENTO, Sacramento, CA | Pass | Local |
| 2023-11-02 | HP HOOD, LLC — high-priority violation on file | SACRAMENTO, Sacramento, CA | Pass | Local |
| 2023-11-02 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-02 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-02 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-02 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-02 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-02 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-02 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.