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 |
|---|---|---|---|---|
| 2023-08-02 | RAMBO COMPRESSOR STATION | CARLSBAD, Eddy, NM | Pass | State |
| 2023-08-02 | RAMBO COMPRESSOR STATION | CARLSBAD, Eddy, NM | Pass | State |
| 2023-08-02 | ROCCO COMPRESSOR STATION | MALAGA, Lea, NM | Pass | State |
| 2023-08-02 | RED-ROCHESTER LLC AT EASTMAN BUSINESS PARK | GREECE, ROCHESTER, Monroe, NY | Pass | State |
| 2023-08-02 | MPLX TERMINALS LLC - OREGON TERMINAL | OREGON, Lucas, OH | Pass | State |
| 2023-08-02 | EOG RESOURCES, INC. - WILLIAM DENOON 17-12-6 PAD | SCIO, Harrison, OH | Pass | State |
| 2023-08-02 | EOG RESOURCES, INC. - WILLIAM DENOON 17-12-6 PAD | SCIO, Harrison, OH | Pass | State |
| 2023-08-02 | EOG RESOURCES, INC. - WILLIAM DENOON 17-12-6 PAD | SCIO, Harrison, OH | Pass | State |
| 2023-08-02 | EOG RESOURCES, INC. - HARTLEY 2-13-6 PAD | SCIO, Harrison, OH | Pass | State |
| 2023-08-02 | EOG RESOURCES, INC. - HARTLEY 2-13-6 PAD | SCIO, Harrison, OH | Pass | State |
| 2023-08-02 | VEOLIA ES TECHNICAL SOLUTIONS, L.L.C. | MIAMISBURG, Montgomery, OH | Pass | State |
| 2023-08-02 | VEOLIA ES TECHNICAL SOLUTIONS, L.L.C. | MIAMISBURG, Montgomery, OH | Pass | State |
| 2023-08-02 | TREMCO CPG | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2023-08-02 | TREMCO CPG | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2023-08-02 | SANDRIDGE EXPLORATION AND PRODUCTION LL / BARBARA 3 34 MD 1H | ARNETT, Ellis, OK | Pass | State |
| 2023-08-02 | SANDRIDGE EXPLORATION AND PRODUCTION LL / CRYSTAL 3 34 PA 2H | ARNETT, Ellis, OK | Pass | State |
| 2023-08-02 | ET GATHERING PROCESSING LLC / LINDSAY COMPRESSOR STATION | RUSH SPRINGS, Grady, OK | Pass | State |
| 2023-08-02 | ET GATHERING PROCESSING LLC / MORRIS COMPRESSOR STATION | BRADLEY, Grady, OK | Pass | State |
| 2023-08-02 | ET GATHERING PROCESSING LLC / MORRIS COMPRESSOR STATION | BRADLEY, Grady, OK | Pass | State |
| 2023-08-02 | ET GATHERING PROCESSING LLC / MORRIS COMPRESSOR STATION | BRADLEY, Grady, OK | Pass | State |
| 2023-08-02 | CONTINENTAL RESOURCES / GREEN ACRES 2 36 25XHW SHAW 2 1 12XHM | DIBBLE, Grady, OK | Pass | State |
| 2023-08-02 | CONTINENTAL RESOURCES / GREEN ACRES 2 36 25XHW SHAW 2 1 12XHM | DIBBLE, Grady, OK | Pass | State |
| 2023-08-02 | MARKWEST OKLAHOMA GAS CO LLC / JACKSON COMPRESSOR STATION | SAYRE, Roger Mills, OK | Pass | State |
| 2023-08-02 | STIMSON LUMBER COMPANY — high-priority violation on file | GASTON, Washington, OR | Pass | State |
| 2023-08-02 | GOLDEN EAGLE CONST CO/EIGHTY FOUR PLT | EIGHTY FOUR, Washington, PA | Fail | State |
| 2023-08-02 | ENERGY TRANSFER MKT & TERM LP/FULLERTON TERM — high-priority violation on file | WHITEHALL, Lehigh, PA | Pass | State |
| 2023-08-02 | ETC NORTHEAST PIPELINE LLC/BARTO COMP STA | HUGHESVILLE, Lycoming, PA | Pass | State |
| 2023-08-02 | MARKWEST LIBERTY BLUESTONE LLC/ROYAL OAK COMP STA | EVANS CITY, Butler, PA | Pass | State |
| 2023-08-02 | EXPAND OPERATING LLC/N-24 BUCKHORN WELL PAD | MONTROSE, Susquehanna, PA | Pass | State |
| 2023-08-02 | TRANSCONTINENTAL GAS PIPELINE CO (TRANSCO STATION 135) | ANDERSON, Anderson, SC | Pass | State |
| 2023-08-02 | INEOS US CHEMICALS COMPANY - COOPER RIVER PLANT — high-priority violation on file | WANDO, Berkeley, SC | Pass | State |
| 2023-08-02 | BENBROOK COMPRESSOR STATION | BENBROOK, Tarrant, TX | Pass | State |
| 2023-08-02 | GP BIG ISLAND LLC | BIG ISLAND, Bedford, VA | Pass | State |
| 2023-08-02 | CEDAR GROVE COMPOST CO | MAPLE VALLEY, King, WA | Fail | Local |
| 2023-08-02 | APPALACHIA MIDSTREAM SERVICES, L.L.C., MOUNTAINEER COMPRESSOR | WELLSBURG, Brooke, WV | Pass | State |
| 2023-08-02 | PLEASANTS ENERGY, LLC, WAVERLY | WILLOW ISLAND, Pleasants, WV | Pass | State |
| 2023-08-02 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-08-02 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-08-02 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-08-02 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-08-02 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-08-02 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-08-02 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-08-02 | PRCC COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-08-02 | PRCC COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-08-02 | PRCC COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-08-02 | PRCC COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-08-02 | PRCC COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-08-02 | PRCC COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-08-02 | PRCC COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-08-02 | PRCC COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-08-02 | PRCC COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2023-08-01 | GOLDEN VALLEY ELECTRIC ASSOCIATION / NORTH POLE POWER PLANT | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2023-08-01 | GOLDEN VALLEY ELECTRIC ASSOCIATION / NORTH POLE POWER PLANT | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2023-08-01 | QUIKRETE CONSTRUCTION MATERIALS, LLC — high-priority violation on file | CALERA, Shelby, AL | Pass | State |
| 2023-08-01 | BASF CORPORATION | MCINTOSH, Washington, AL | Pass | State |
| 2023-08-01 | OWENS CORNING COMPOSITE MATERIALS II, LLC. | FORT SMITH, Sebastian, AR | Pass | State |
| 2023-08-01 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-01 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-01 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-01 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-01 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-01 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-01 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-01 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-01 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-01 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-01 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-01 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-01 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-01 | CHEVRON USA INC- HEAVY OIL PRODUCTION | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-01 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-01 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-01 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-01 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-01 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-01 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-01 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-01 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-01 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2023-08-01 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2023-08-01 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2023-08-01 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2023-08-01 | TEP ROCKY MTN - PARACHUTE WMF | PARACHUTE AREA, Garfield, CO | Pass | State |
| 2023-08-01 | PLATTE RIVER POWER AUTHORITY - RAWHIDE | WELLINGTON 9.3 MI. N OF, Larimer, CO | Pass | State |
| 2023-08-01 | SPINDLE HILL ENERGY, LLC | FREDERICK, Weld, CO | N/A | State |
| 2023-08-01 | FLORIDA POWER & LIGHT (PTF) | HOMESTEAD, Miami-Dade, FL | Pass | State |
| 2023-08-01 | FLORIDA POWER & LIGHT (PTF) | HOMESTEAD, Miami-Dade, FL | Pass | State |
| 2023-08-01 | MURPHY OIL USA, INC. | TAMPA, Hillsborough, FL | Pass | State |
| 2023-08-01 | ORLANDO UTILITIES COMMISSION | ORLANDO, Orange, FL | Pass | State |
| 2023-08-01 | SOUTH FLORIDA WATER MANAGEMENT DISTRICT | PALM BEACH COUNTY, Palm Beach, FL | Pass | State |
| 2023-08-01 | SOUTH FLORIDA WATER MANAGEMENT DISTRICT | PALM BEACH COUNTY, Palm Beach, FL | Pass | State |
| 2023-08-01 | MOSAIC FERTILIZER, LLC — high-priority violation on file | BARTOW, Polk, FL | Pass | State |
| 2023-08-01 | ATLANTA GAS LIGHT CO. — high-priority violation on file | BALL GROUND, Cherokee, GA | Pass | State |
| 2023-08-01 | ATLANTA GAS LIGHT CO. — high-priority violation on file | BALL GROUND, Cherokee, GA | Pass | State |
| 2023-08-01 | THIELE KAOLIN COMPANY, REEDY CREEK | WRENS, Glascock, GA | Pass | State |
| 2023-08-01 | CARGILL INC-EDDYVILLE | EDDYVILLE, Monroe, IA | Pass | State |
| 2023-08-01 | SUNCORE CONSTRUCTION & MATERIALS INC 00572 | IDAHO FALLS, Bonneville, ID | Pass | State |
| 2023-08-01 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2023-08-01 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.