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 |
|---|---|---|---|---|
| 2023-09-06 | COLORMASTERS INC | ALBERTVILLE, Marshall, AL | Fail | State |
| 2023-09-06 | BAGDAD MINE | BAGDAD, Yavapai, AZ | Pass | State |
| 2023-09-06 | NEW NGC, INC. | LONG BEACH, Los Angeles, CA | Pass | Local |
| 2023-09-06 | NAFTEX OPERATING CO-PORTALS PETRO LEASE — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2023-09-06 | NAFTEX OPERATING CO-PORTALS PETRO LEASE — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2023-09-06 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-06 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-06 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-06 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-06 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-06 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-06 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-06 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-06 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-06 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-06 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-06 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-06 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-06 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-06 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-06 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-06 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-06 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-06 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-06 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-06 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-06 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-06 | PHILLIPS 66 PIPELINE LLC — high-priority violation on file | CALIFORNIA, Undetermined, CA | Pass | Local |
| 2023-09-06 | PHILLIPS 66 PIPELINE LLC — high-priority violation on file | CALIFORNIA, Undetermined, CA | Pass | Local |
| 2023-09-06 | PHILLIPS 66 PIPELINE LLC — high-priority violation on file | CALIFORNIA, Undetermined, CA | Pass | Local |
| 2023-09-06 | PHILLIPS 66 PIPELINE LLC — high-priority violation on file | CALIFORNIA, Undetermined, CA | Pass | Local |
| 2023-09-06 | PHILLIPS 66 PIPELINE LLC — high-priority violation on file | CALIFORNIA, Undetermined, CA | Pass | Local |
| 2023-09-06 | PHILLIPS 66 PIPELINE LLC — high-priority violation on file | CALIFORNIA, Undetermined, CA | Pass | Local |
| 2023-09-06 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-06 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-06 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-06 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-09-06 | EF OXNARD LLC | OXNARD, Ventura, CA | Pass | Local |
| 2023-09-06 | ROCKY MOUNTAIN NAT GAS - PICEANCE | MEEKER 17.4 MI. W OF, Rio Blanco, CO | N/A | State |
| 2023-09-06 | DCP OPERATING CO - GREELEY NATURAL GAS P | EVANS AREA, Weld, CO | N/A | State |
| 2023-09-06 | DCP OPERATING CO - GREELEY NATURAL GAS P | EVANS AREA, Weld, CO | N/A | State |
| 2023-09-06 | DCP OPERATING CO - GREELEY NATURAL GAS P | EVANS AREA, Weld, CO | N/A | State |
| 2023-09-06 | DCP OPERATING CO - GREELEY NATURAL GAS P | EVANS AREA, Weld, CO | N/A | State |
| 2023-09-06 | DCP OPERATING CO - GREELEY NATURAL GAS P | EVANS AREA, Weld, CO | Pass | State |
| 2023-09-06 | DCP OPERATING CO - GREELEY NATURAL GAS P | EVANS AREA, Weld, CO | Pass | State |
| 2023-09-06 | DCP OPERATING CO - GREELEY NATURAL GAS P | EVANS AREA, Weld, CO | Pass | State |
| 2023-09-06 | DCP OPERATING CO - GREELEY NATURAL GAS P | EVANS AREA, Weld, CO | Pass | State |
| 2023-09-06 | HANDYTUBE LLC | CAMDEN, Kent, DE | N/A | State |
| 2023-09-06 | HANDYTUBE LLC | CAMDEN, Kent, DE | N/A | State |
| 2023-09-06 | HILLSBOROUGH COUNTY SOLID WASTE MGT DEPT | LITHIA, Hillsborough, FL | Pass | State |
| 2023-09-06 | SPECTRA METAL SALES, INC. | CLEARWATER, Pinellas, FL | Pass | State |
| 2023-09-06 | INTERNATIONAL PAPER COMPANY - PORT WENTWORTH MILL | PORT WENTWORTH, Chatham, GA | Pass | State |
| 2023-09-06 | INTERNATIONAL PAPER COMPANY - PORT WENTWORTH MILL | PORT WENTWORTH, Chatham, GA | Pass | State |
| 2023-09-06 | CEMEX SOUTHEAST, LLC | CLINCHFIELD, Houston, GA | Pass | State |
| 2023-09-06 | CEMEX SOUTHEAST, LLC | CLINCHFIELD, Houston, GA | Pass | State |
| 2023-09-06 | CEMEX SOUTHEAST, LLC | CLINCHFIELD, Houston, GA | Pass | State |
| 2023-09-06 | CEMEX SOUTHEAST, LLC | CLINCHFIELD, Houston, GA | Pass | State |
| 2023-09-06 | CEMEX SOUTHEAST, LLC | CLINCHFIELD, Houston, GA | Pass | State |
| 2023-09-06 | CEMEX SOUTHEAST, LLC | CLINCHFIELD, Houston, GA | Pass | State |
| 2023-09-06 | CEMEX SOUTHEAST, LLC | CLINCHFIELD, Houston, GA | Pass | State |
| 2023-09-06 | CEMEX SOUTHEAST, LLC | CLINCHFIELD, Houston, GA | Pass | State |
| 2023-09-06 | ANCHOR GLASS CONTAINER CORPORATION - WARNER ROBINS PLANT — high-priority violation on file | WARNER ROBINS, Houston, GA | Pass | State |
| 2023-09-06 | HELCO - PUNALUU | PUNALUU, Hawaii, HI | Pass | State |
| 2023-09-06 | SUNROC CORPORATION DBA DEPATCO INC 00630 | BOISE, Ada, ID | Pass | State |
| 2023-09-06 | ROCHELLE MUNICIPAL UTILITIES | ROCHELLE, Ogle, IL | Pass | State |
| 2023-09-06 | DUKE ENERGY INDIANA LLC EDWARDSPORT GENERATING STATION | EDWARDSPORT, Knox, IN | Pass | State |
| 2023-09-06 | BLOCKSOM & COMPANY | MICHIGAN CITY, LaPorte, IN | Pass | State |
| 2023-09-06 | BLOCKSOM & COMPANY | MICHIGAN CITY, LaPorte, IN | Pass | State |
| 2023-09-06 | MONARCH CEMENT (AIR) | HUMBOLDT, Allen, KS | Pass | State |
| 2023-09-06 | KY UTILITIES CO - GHENT STATION | GHENT, Carroll, KY | Pass | State |
| 2023-09-06 | NOVELIS | BEREA, Madison, KY | Pass | State |
| 2023-09-06 | THE JACKSON LABORATORY | BAR HARBOR, Hancock, ME | Pass | State |
| 2023-09-06 | MAINE WOODS PELLET COMPANY, LLC | ATHENS, Somerset, ME | Pass | State |
| 2023-09-06 | AL-CORN CLEAN FUEL LLC | CLAREMONT, Dodge, MN | Pass | State |
| 2023-09-06 | USG INTERIORS LLC | RED WING, Goodhue, MN | Pass | State |
| 2023-09-06 | UNIVERSITY OF MISSOURI POWER PLANT | COLUMBIA, Boone, MO | Pass | State |
| 2023-09-06 | UNIVERSITY OF MISSOURI POWER PLANT | COLUMBIA, Boone, MO | Pass | State |
| 2023-09-06 | UNIVERSITY OF MISSOURI POWER PLANT | COLUMBIA, Boone, MO | Pass | State |
| 2023-09-06 | UNIVERSITY OF MISSOURI POWER PLANT | COLUMBIA, Boone, MO | Pass | State |
| 2023-09-06 | ENTERGY MISSISSIPPI LLC, CHOCTAW COUNTY GENERATING STATION | FRENCH CAMP, Choctaw, MS | Pass | State |
| 2023-09-06 | EP ENGINEERED CLAYS CORPORATION — high-priority violation on file | JACKSON, Hinds, MS | Pass | State |
| 2023-09-06 | EP ENGINEERED CLAYS CORPORATION — high-priority violation on file | JACKSON, Hinds, MS | Pass | State |
| 2023-09-06 | EP ENGINEERED CLAYS CORPORATION — high-priority violation on file | JACKSON, Hinds, MS | Pass | State |
| 2023-09-06 | EP ENGINEERED CLAYS CORPORATION — high-priority violation on file | JACKSON, Hinds, MS | Pass | State |
| 2023-09-06 | EP ENGINEERED CLAYS CORPORATION — high-priority violation on file | JACKSON, Hinds, MS | Pass | State |
| 2023-09-06 | EP ENGINEERED CLAYS CORPORATION — high-priority violation on file | JACKSON, Hinds, MS | Pass | State |
| 2023-09-06 | EP ENGINEERED CLAYS CORPORATION — high-priority violation on file | JACKSON, Hinds, MS | Pass | State |
| 2023-09-06 | WESTLAKE CHEMICALS AND VINYLS LLC | ABERDEEN, Monroe, MS | Fail | State |
| 2023-09-06 | WESTLAKE CHEMICALS AND VINYLS LLC | ABERDEEN, Monroe, MS | Fail | State |
| 2023-09-06 | WESTLAKE CHEMICALS AND VINYLS LLC | ABERDEEN, Monroe, MS | Pass | State |
| 2023-09-06 | WESTLAKE CHEMICALS AND VINYLS LLC | ABERDEEN, Monroe, MS | Pass | State |
| 2023-09-06 | GOLDEN TRIANGLE REGIONAL SOLID WASTE MANAGEMENT AUTHORITY | STARKVILLE, Oktibbeha, MS | Pass | State |
| 2023-09-06 | GOLDEN TRIANGLE REGIONAL SOLID WASTE MANAGEMENT AUTHORITY | STARKVILLE, Oktibbeha, MS | Pass | State |
| 2023-09-06 | GOLDEN TRIANGLE REGIONAL SOLID WASTE MANAGEMENT AUTHORITY | STARKVILLE, Oktibbeha, MS | Pass | State |
| 2023-09-06 | THOMAS SIMPSON CONSTRUCTION - ACI | NEWPORT, Carteret, NC | Pass | State |
| 2023-09-06 | TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC - STATION 150 | MOORESVILLE, Iredell, NC | Pending | State |
| 2023-09-06 | CII METHANE MANAGEMENT IV, LLC | SMITHFIELD, Johnston, NC | Pass | State |
| 2023-09-06 | TARGA BADLANDS, LLC - HAWKEYE COMPRESSOR STATION - AQ | KEENE, McKenzie, ND | Pass | State |
| 2023-09-06 | BASIN ELECTRIC POWER COOPERATIVE - LELAND OLDS STATION (LOS) - AQ | STANTON, Mercer, ND | Pass | State |
| 2023-09-06 | TURNKEY RECYCLING & ENVIRONMENTAL ENTERPRISES | ROCHESTER, Strafford, NH | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.