EPA Air · stack tests by year
Air-emissions stack tests in 2024
- 39,252Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2024
- California 18,905
- Ohio 2,721
- Oklahoma 1,804
- Indiana 1,704
- New Mexico 1,428
- Florida 1,427
- Wyoming 1,285
- Georgia 1,104
- Pennsylvania 905
- Alabama 721
- Arkansas 569
- Missouri 539
- Iowa 464
- Mississippi 437
- Colorado 400
- Washington 338
- Texas 271
- Wisconsin 269
- North Carolina 254
- Minnesota 250
- West Virginia 230
- South Carolina 223
- Kentucky 218
- Delaware 185
- Montana 180
- Michigan 159
- Virginia 159
- Alaska 158
- Utah 157
- Tennessee 155
- Nebraska 150
- North Dakota 138
- Arizona 126
- Connecticut 122
- New York 115
- Maine 114
- Louisiana 113
- Illinois 109
- Idaho 91
- Nevada 88
- Hawaii 67
- Kansas 64
- New Hampshire 61
- South Dakota 59
- Maryland 58
- Massachusetts 52
- Oregon 35
- Rhode Island 29
- District of Columbia 25
- New Jersey 8
- Puerto Rico 5
- Vermont 4
Other years
Air-emissions stack tests recorded in 2024
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | INR MIDSTREAM, LLC - LONG COMPRESSOR STATION | OHIO, Undetermined, OH | Pass | State |
| 2024-11-13 | ONEOK FIELD SERVICES CO LLC / PAYNE COMPRESSOR STATION | WATONGA, Blaine, OK | Pass | State |
| 2024-11-13 | ONEOK FIELD SERVICES CO LLC / PAYNE COMPRESSOR STATION | WATONGA, Blaine, OK | Pass | State |
| 2024-11-13 | ET GATHERING PROCESSING LLC / GRANDVIEW COMPRESSOR STATION | GEARY, Canadian, OK | Pass | State |
| 2024-11-13 | COTERRA ENERGY OPERATING CO / SHELLY 4 5H 3106X FACILITY | COGAR, Canadian, OK | Pass | State |
| 2024-11-13 | XTO ENERGY INC / BERWYN CDP COMPRESSOR STATION | ARDMORE, Carter, OK | Pass | State |
| 2024-11-13 | XTO ENERGY INC / BERWYN CDP COMPRESSOR STATION | ARDMORE, Carter, OK | Pass | State |
| 2024-11-13 | TARGA PIPELINE MIDCONTINENT LLC / BRAWLEY COMPRESSOR STATION | LINDSAY, Garvin, OK | Pass | State |
| 2024-11-13 | TARGA PIPELINE MIDCONTINENT LLC / BRAWLEY COMPRESSOR STATION | LINDSAY, Garvin, OK | Pass | State |
| 2024-11-13 | TARGA PIPELINE MIDCONTINENT LLC / BRAWLEY COMPRESSOR STATION | LINDSAY, Garvin, OK | Pass | State |
| 2024-11-13 | VALIDUS ENERGY II MIDCON LLC / NEEDLES PAD | MUSTANG, Grady, OK | Pass | State |
| 2024-11-13 | PEOPLES ELECTRIC COOP / BUZZARD FLOP | GERTY, Hughes, OK | Pass | State |
| 2024-11-13 | PEOPLES ELECTRIC COOP / BUZZARD FLOP | GERTY, Hughes, OK | Pass | State |
| 2024-11-13 | FW MIDCON I LLC / KARSON KONNER 1609 1 21 28MXH | OMEGA, Kingfisher, OK | Pass | State |
| 2024-11-13 | MARKWEST OKLAHOMA GAS CO LLC / MYER MOUNTAIN COMPRESSOR STATION — high-priority violation on file | SCIPIO, Pittsburg, OK | Pass | State |
| 2024-11-13 | EMERALD FOREST PRODUCTS, INC.(#3) | CRESWELL, Lane, OR | Pass | Local |
| 2024-11-13 | HEIDELBERG MATERIALS US CEMENT LLC/EVANSVILLE CEMENT PLT & Q — high-priority violation on file | FLEETWOOD, Berks, PA | Pass | State |
| 2024-11-13 | WHEELABRATOR FALLS INC/FALLS TWP — high-priority violation on file | MORRISVILLE, Bucks, PA | Pass | State |
| 2024-11-13 | IRON MOUNTAIN INFORMATION MANAGEMENT LLC/BOYERS | BOYERS, Butler, PA | Pass | State |
| 2024-11-13 | EXCO APPALACHIA MIDSTREAM LLC/SAWMILL COMP STA | KITTANNING, Armstrong, PA | Pass | State |
| 2024-11-13 | LAVAZZA NORTH AMER/EAST GOSHEN TWP — high-priority violation on file | WEST CHESTER, Chester, PA | Pass | State |
| 2024-11-13 | EXPAND OPERATING LLC/NR02 ENDLESS MOUNTAIN WELLPAD | MONTROSE, Susquehanna, PA | Pass | State |
| 2024-11-13 | EXPAND OPERATING LLC/INNES PAD | NEW MILFORD, Susquehanna, PA | Pass | State |
| 2024-11-13 | RHODE ISLAND BIOENERGY FACILITY, LLC | JOHNSTON, Providence, RI | Pass | State |
| 2024-11-13 | RHODE ISLAND BIOENERGY FACILITY, LLC | JOHNSTON, Providence, RI | Pass | State |
| 2024-11-13 | IP BIOMASS INC. — high-priority violation on file | ALLENDALE, Allendale, SC | Pass | State |
| 2024-11-13 | BOEING DEVELOPMENTAL CENTER | TUKWILA, King, WA | Pass | Local |
| 2024-11-13 | BOEING DEVELOPMENTAL CENTER | TUKWILA, King, WA | Pass | Local |
| 2024-11-13 | BOEING DEVELOPMENTAL CENTER | TUKWILA, King, WA | Pass | Local |
| 2024-11-13 | MONONGAHELA POWER COMPANY, HARRISON STATION | HAYWOOD, Harrison, WV | Pass | State |
| 2024-11-13 | WESTLAKE NATRIUM LLC, WESTLAKE NATRIUM | PROCTOR, Marshall, WV | Pass | State |
| 2024-11-13 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2024-11-13 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2024-11-13 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2024-11-13 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2024-11-13 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2024-11-13 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2024-11-13 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2024-11-13 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2024-11-13 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2024-11-13 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2024-11-13 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2024-11-13 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2024-11-12 | SOUTHERN NATURAL GAS | ANNISTON, Calhoun, AL | Pass | State |
| 2024-11-12 | SOUTHERN NATURAL GAS | ANNISTON, Calhoun, AL | Pass | State |
| 2024-11-12 | SOUTHERN NATURAL GAS | ANNISTON, Calhoun, AL | Pass | State |
| 2024-11-12 | GEORGIA-PACIFIC BREWTON LLC | BREWTON, Escambia, AL | Pass | State |
| 2024-11-12 | AMRIZE CEMENT, INC. | THEODORE, Mobile, AL | Pass | State |
| 2024-11-12 | LHOIST NORTH AMERICA OF ALABAMA, LLC | CALERA, Shelby, AL | Pass | State |
| 2024-11-12 | HUNT REFINING COMPANY | TUSCALOOSA, Tuscaloosa, AL | Pass | State |
| 2024-11-12 | HUNT REFINING COMPANY | TUSCALOOSA, Tuscaloosa, AL | Pass | State |
| 2024-11-12 | AMERICAN KRAFT PAPER INDUSTRIES, LLC. | WHITE HALL, Jefferson, AR | Incomplete | State |
| 2024-11-12 | SALINAS VALLEY SOLID WASTE AUTHORITY | GONZALES, Monterey, CA | Pass | Local |
| 2024-11-12 | OMYA CALIFORNIA | LUCERNE VALLEY, San Bernardino, CA | Pass | Local |
| 2024-11-12 | SACRAMENTO MUNICIPAL UTILITY DIST. FINANCING AUTHORITY DBA CAMPBELL POWER PLANT | SACRAMENTO, Sacramento, CA | Pass | Local |
| 2024-11-12 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-11-12 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-11-12 | KERN OIL & REFINING — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-11-12 | CALIFORNIA DAIRIES, INC. — high-priority violation on file | TURLOCK, Stanislaus, CA | Pass | Local |
| 2024-11-12 | CALIFORNIA DAIRIES, INC. — high-priority violation on file | TURLOCK, Stanislaus, CA | Pass | Local |
| 2024-11-12 | CALIFORNIA DAIRIES, INC. — high-priority violation on file | TURLOCK, Stanislaus, CA | Pass | Local |
| 2024-11-12 | CALIFORNIA DAIRIES, INC. — high-priority violation on file | TURLOCK, Stanislaus, CA | Pass | Local |
| 2024-11-12 | CALIFORNIA DAIRIES, INC. — high-priority violation on file | TURLOCK, Stanislaus, CA | Pass | Local |
| 2024-11-12 | CALIFORNIA DAIRIES, INC. — high-priority violation on file | TURLOCK, Stanislaus, CA | Pass | Local |
| 2024-11-12 | CALIFORNIA DAIRIES, INC. — high-priority violation on file | TURLOCK, Stanislaus, CA | Pass | Local |
| 2024-11-12 | CALIFORNIA DAIRIES, INC. — high-priority violation on file | TURLOCK, Stanislaus, CA | Pass | Local |
| 2024-11-12 | CALIFORNIA DAIRIES, INC. — high-priority violation on file | TURLOCK, Stanislaus, CA | Pass | Local |
| 2024-11-12 | CALIFORNIA DAIRIES, INC. — high-priority violation on file | TURLOCK, Stanislaus, CA | Pass | Local |
| 2024-11-12 | CALIFORNIA DAIRIES, INC. — high-priority violation on file | TURLOCK, Stanislaus, CA | Pass | Local |
| 2024-11-12 | CALIFORNIA DAIRIES, INC. — high-priority violation on file | TURLOCK, Stanislaus, CA | Pass | Local |
| 2024-11-12 | CALIFORNIA DAIRIES, INC. — high-priority violation on file | TURLOCK, Stanislaus, CA | Pass | Local |
| 2024-11-12 | CALIFORNIA DAIRIES, INC. — high-priority violation on file | TURLOCK, Stanislaus, CA | Pass | Local |
| 2024-11-12 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2024-11-12 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2024-11-12 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2024-11-12 | BONANZA CREEK - PRONGHORN 24-7 BOOSTER | KERSEY 14.7 MI. E OF, Weld, CO | Pass | State |
| 2024-11-12 | SEAPORT CANAVERAL CORP. | CAPE CANAVERAL, Brevard, FL | Pass | State |
| 2024-11-12 | KRAFT HEINZ FOODS COMPANY | JACKSONVILLE, Duval, FL | Pass | State |
| 2024-11-12 | INTERNATIONAL PAPER COMPANY | CANTONMENT, Escambia, FL | Pass | State |
| 2024-11-12 | INTERNATIONAL PAPER COMPANY | CANTONMENT, Escambia, FL | Pass | State |
| 2024-11-12 | FLORIDA POWER & LIGHT | FORT MYERS, Lee, FL | Pass | State |
| 2024-11-12 | MOSAIC FERTILIZER, LLC — high-priority violation on file | BARTOW, Polk, FL | Pass | State |
| 2024-11-12 | MOSAIC FERTILIZER, LLC — high-priority violation on file | BARTOW, Polk, FL | Pass | State |
| 2024-11-12 | NUCOR STEEL FLORIDA, INC. | FROSTPROOF, Polk, FL | Pass | State |
| 2024-11-12 | CONCORDE/INTERSPACE BATTERY GEORGIA CORPORATION | AUSTELL, Cobb, GA | Pass | State |
| 2024-11-12 | CONCORDE/INTERSPACE BATTERY GEORGIA CORPORATION | AUSTELL, Cobb, GA | Pass | State |
| 2024-11-12 | GA POWER CO. - PLANT SCHERER | JULIETTE, Monroe, GA | Pass | State |
| 2024-11-12 | GA POWER CO. - PLANT SCHERER | JULIETTE, Monroe, GA | Pass | State |
| 2024-11-12 | POET BIOREFINING CORNING — high-priority violation on file | CORNING, Adams, IA | Pass | State |
| 2024-11-12 | CF INDUSTRIES NITROGEN LLC - PORT NEAL NITROGEN COMPLEX — high-priority violation on file | SERGEANT BLUFF, Woodbury, IA | Pass | State |
| 2024-11-12 | SABRE INDUSTRIES TOWERS & POLES | SIOUX CITY, Woodbury, IA | Fail | State |
| 2024-11-12 | BUNGE NORTH AMERICA EAST LLC | DECATUR, Adams, IN | Pass | State |
| 2024-11-12 | BUNGE NORTH AMERICA EAST LLC | DECATUR, Adams, IN | Pass | State |
| 2024-11-12 | BUNGE NORTH AMERICA EAST LLC | DECATUR, Adams, IN | Pass | State |
| 2024-11-12 | BUNGE NORTH AMERICA EAST LLC | DECATUR, Adams, IN | Pass | State |
| 2024-11-12 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2024-11-12 | 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.