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 |
|---|---|---|---|---|
| 2023-10-26 | BANK OF AMERICA NATL ASSN/LEVITTOWN — high-priority violation on file | LEVITTOWN, Bucks, PA | Pass | State |
| 2023-10-26 | CHILDRENS HOSP OF PHILA/ PHILA | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2023-10-26 | CHILDRENS HOSP OF PHILA/ PHILA | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2023-10-26 | CHILDRENS HOSP OF PHILA/ PHILA | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2023-10-26 | CAROLINA PALLETS & RECYCLING — high-priority violation on file | BELTON, Anderson, SC | Pass | State |
| 2023-10-26 | NEW-INDY CATAWBA LLC | CATAWBA, York, SC | Pass | State |
| 2023-10-26 | NYDIG DFM LLC - DUCHESNE DATA POWER STATION (FORMERLY CRUSOE ENERGY SYSTEMS) | UPALCO, Duchesne, UT | Pass | State |
| 2023-10-26 | COMPASS MINERALS | UTAH, Undetermined, UT | Pass | State |
| 2023-10-26 | LES PROJECT HOLDINGS, LLC F/K/A MICHIGAN CONGENERATION SYSTEMS, INC. | LORTON, Fairfax, VA | Pass | State |
| 2023-10-26 | NTT GLOBAL DATA CENTERS AMERICAS, INC. | ASHBURN, Loudoun, VA | Pass | State |
| 2023-10-26 | KAISER ALUMINUM WASHINGTON, LLC | SPOKANE, Spokane, WA | Pass | Local |
| 2023-10-26 | WASTE MANAGEMENT OF WISCONSIN, INC. - PHEASANT RUN RECYCLING AND DISPOSAL FACILI | BRISTOL, Kenosha, WI | Pass | State |
| 2023-10-26 | CHARTER STEEL | SAUKVILLE, Ozaukee, WI | Pass | State |
| 2023-10-26 | ERGON - WEST VIRGINIA, INC., NEWELL | NEWELL, Hancock, WV | Pass | State |
| 2023-10-25 | WEST FRASER HUGULEY | HUGULEY, Chambers, AL | Fail | State |
| 2023-10-25 | TVA — high-priority violation on file | TUSCUMBIA, Colbert, AL | Pass | State |
| 2023-10-25 | W&T OFFSHORE, INC. | MOBILE BAY, Mobile, AL | Pass | State |
| 2023-10-25 | W&T OFFSHORE, INC. | MOBILE BAY, Mobile, AL | Pass | State |
| 2023-10-25 | W&T OFFSHORE, INC. | MOBILE BAY, Mobile, AL | Pass | State |
| 2023-10-25 | AMRIZE CEMENT, INC. | THEODORE, Mobile, AL | Pass | State |
| 2023-10-25 | ALABAMA POWER COMPANY (MILLER POWER PLANT) | QUINTON, Jefferson, AL | Pass | Local |
| 2023-10-25 | DELEK LOGISTICS OPERATING, LLC - NLR TERMINAL | NORTH LITTLE ROCK, Pulaski, AR | Pass | State |
| 2023-10-25 | RAZORBACK GATHERING COMPANY, LLC. - ROSE BUD COMPRESSOR STATION | SEARCY, White, AR | Pass | State |
| 2023-10-25 | RAZORBACK GATHERING COMPANY, LLC. - ROSE BUD COMPRESSOR STATION | SEARCY, White, AR | Pass | State |
| 2023-10-25 | PROCTER & GAMBLE | SACRAMENTO, Sacramento, CA | Pass | Local |
| 2023-10-25 | CANYON POWER PLANT | ANAHEIM, Orange, CA | Pass | Local |
| 2023-10-25 | QG PRINTING CORP — high-priority violation on file | RIVERSIDE, Riverside, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-10-25 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-25 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-25 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-25 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-25 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-25 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-25 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-25 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-25 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-25 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-25 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-25 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-25 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-25 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-25 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-25 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-25 | TRUSTEES OF CSU & CSUCI SITE AUTHORITY | CAMARILLO, Ventura, CA | Pass | Local |
| 2023-10-25 | COLORADO SPRINGS UTILITIES - NIXON PLT | FOUNTAIN AREA, El Paso, CO | N/A | State |
| 2023-10-25 | WEXPRO - SUGAR LOAF COMPRESSOR STATION | DINOSAUR 50.4 MI. N OF, Moffat, CO | Pass | State |
| 2023-10-25 | WES DJ GATHERING - FREDERICK CS — high-priority violation on file | DACONO AREA, Weld, CO | Pass | State |
| 2023-10-25 | PRAIRIE OPERATING CO - PICKAROON TANK | EATON 6.0 MI. N OF, Weld, CO | Pass | State |
| 2023-10-25 | HARTFORD WATER POLLUTION CONTROL FACILITY — high-priority violation on file | HARTFORD, Hartford, CT | Pass | State |
| 2023-10-25 | QG PRINTING II LLC | TAMPA, Hillsborough, FL | Pass | State |
| 2023-10-25 | DART CONTAINER CORPORATION OF FLORIDA | PLANT CITY, Hillsborough, FL | Pass | State |
| 2023-10-25 | FLORIDA POWER & LIGHT | FORT MYERS, Lee, FL | Pass | State |
| 2023-10-25 | FLORIDA POWER & LIGHT | FORT MYERS, Lee, FL | Pass | State |
| 2023-10-25 | FLORIDA POWER & LIGHT | FORT MYERS, Lee, FL | Pass | State |
| 2023-10-25 | FLORIDA POWER & LIGHT | FORT MYERS, Lee, FL | Pass | State |
| 2023-10-25 | GA POWER CO. - PLANT BOWEN | CARTERSVILLE, Bartow, GA | Pass | State |
| 2023-10-25 | GA POWER CO. - PLANT BOWEN | CARTERSVILLE, Bartow, GA | Pass | State |
| 2023-10-25 | GA POWER CO. - PLANT BOWEN | CARTERSVILLE, Bartow, GA | Pass | State |
| 2023-10-25 | GA POWER CO. - PLANT BOWEN | CARTERSVILLE, Bartow, GA | Pass | State |
| 2023-10-25 | MAS GEORGIA LFG, LLC (PINE RIDGE) | GRIFFIN, Butts, GA | Pass | State |
| 2023-10-25 | DAVID TAYLOR CONSTRUCTION, INC. | MOULTRIE, Colquitt, GA | Pass | State |
| 2023-10-25 | DAVID TAYLOR CONSTRUCTION, INC. | MOULTRIE, Colquitt, GA | Pass | State |
| 2023-10-25 | NEW WINCUP HOLDINGS, INC. STONE MOUNTAIN | STONE MOUNTAIN, DeKalb, GA | Pass | State |
| 2023-10-25 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.