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 |
|---|---|---|---|---|
| 2023-10-05 | BRANTLEY COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2023-10-05 | ROSS RANCH COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2023-10-05 | TEXANA COMPRESSOR STATION | CARLSBAD, Eddy, NM | Pass | State |
| 2023-10-05 | PLANTVIEW COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2023-10-05 | PLANTVIEW COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2023-10-05 | MARK WEST - BELL LAKE SOUTH COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2023-10-05 | JAMES HARDIE BUILDING PRODUCTS, INC. | MCCARRAN, Storey, NV | Pass | State |
| 2023-10-05 | AUGUSTA COMPRESSOR FACILITY- UTICA GAS SERVICES, L.L.C. | EAST, TOWNSHIP OF, Carroll, OH | Pass | State |
| 2023-10-05 | AUGUSTA COMPRESSOR FACILITY- UTICA GAS SERVICES, L.L.C. | EAST, TOWNSHIP OF, Carroll, OH | Pass | State |
| 2023-10-05 | AUGUSTA COMPRESSOR FACILITY- UTICA GAS SERVICES, L.L.C. | EAST, TOWNSHIP OF, Carroll, OH | Pass | State |
| 2023-10-05 | AUGUSTA COMPRESSOR FACILITY- UTICA GAS SERVICES, L.L.C. | EAST, TOWNSHIP OF, Carroll, OH | Pass | State |
| 2023-10-05 | AUGUSTA COMPRESSOR FACILITY- UTICA GAS SERVICES, L.L.C. | EAST, TOWNSHIP OF, Carroll, OH | Pass | State |
| 2023-10-05 | AUGUSTA COMPRESSOR FACILITY- UTICA GAS SERVICES, L.L.C. | EAST, TOWNSHIP OF, Carroll, OH | Pass | State |
| 2023-10-05 | AUGUSTA COMPRESSOR FACILITY- UTICA GAS SERVICES, L.L.C. | EAST, TOWNSHIP OF, Carroll, OH | Pass | State |
| 2023-10-05 | AUGUSTA COMPRESSOR FACILITY- UTICA GAS SERVICES, L.L.C. | EAST, TOWNSHIP OF, Carroll, OH | Pass | State |
| 2023-10-05 | AUGUSTA COMPRESSOR FACILITY- UTICA GAS SERVICES, L.L.C. | EAST, TOWNSHIP OF, Carroll, OH | Pass | State |
| 2023-10-05 | THE QUALITY CASTINGS COMPANY | ORRVILLE, Wayne, OH | Pass | State |
| 2023-10-05 | THE QUALITY CASTINGS COMPANY | ORRVILLE, Wayne, OH | Pass | State |
| 2023-10-05 | THE QUALITY CASTINGS COMPANY | ORRVILLE, Wayne, OH | Pass | State |
| 2023-10-05 | THE QUALITY CASTINGS COMPANY | ORRVILLE, Wayne, OH | Pass | State |
| 2023-10-05 | THE QUALITY CASTINGS COMPANY | ORRVILLE, Wayne, OH | Pass | State |
| 2023-10-05 | THE QUALITY CASTINGS COMPANY | ORRVILLE, Wayne, OH | Pass | State |
| 2023-10-05 | THE QUALITY CASTINGS COMPANY | ORRVILLE, Wayne, OH | Pass | State |
| 2023-10-05 | THE QUALITY CASTINGS COMPANY | ORRVILLE, Wayne, OH | Pass | State |
| 2023-10-05 | EOG RESOURCES, INC. - KRAMER 1-13-7 PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-10-05 | EOG RESOURCES, INC. - KRAMER 1-13-7 PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-10-05 | EOG RESOURCES, INC. - KRAMER 1-13-7 PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-10-05 | AMG VANADIUM LLC | ZANESVILLE, Muskingum, OH | Pass | State |
| 2023-10-05 | AMG VANADIUM LLC | ZANESVILLE, Muskingum, OH | Pass | State |
| 2023-10-05 | VALLEY ASPHALT #14 | NEWTOWN, Hamilton, OH | Pass | State |
| 2023-10-05 | ET GATHERING PROCESSING LLC / GRADY COMPRESSOR STATION | CHICKASHA, Grady, OK | Pass | State |
| 2023-10-05 | ET GATHERING PROCESSING LLC / GRADY GAS PLANT | BRADLEY, Grady, OK | Pass | State |
| 2023-10-05 | EOG RESOURCES INC / GALAXY CTB PRODUCTION FACILITY | TUTTLE, Grady, OK | Pass | State |
| 2023-10-05 | PEOPLES ELECTRIC COOP / BUZZARD FLOP | GERTY, Hughes, OK | Pass | State |
| 2023-10-05 | VM ARKOMA STACK LLC / RIVERVIEW COMPRESSOR STATION | ATWOOD, Hughes, OK | Pass | State |
| 2023-10-05 | EOG RESOURCES INC / LELIA 5X 1H PRODUCTION FACILITY | BLANCHARD, McClain, OK | Pass | State |
| 2023-10-05 | COLUMBIA GAS TRANS CORP/FORKS TWP FAC EASTON CTA | EASTON, Northampton, PA | Pass | State |
| 2023-10-05 | TENNESSEE GAS PIPELINE CO/317 TROY STA | TROY, Bradford, PA | Pass | State |
| 2023-10-05 | UNITED REFINING CO/WARREN PLT | WARREN, Warren, PA | Pass | State |
| 2023-10-05 | VICTAULIC CO/LAWRENCEVILLE PLT | TIOGA, Tioga, PA | Pass | State |
| 2023-10-05 | TENASKA PA PARTNERS/WESTMORELAND GEN FAC — high-priority violation on file | SMITHTON, Westmoreland, PA | Pass | State |
| 2023-10-05 | EXPAND OPERATING LLC/GU-VW MCMAHON WELL PAD | STEVENSVILLE, Bradford, PA | Pass | State |
| 2023-10-05 | EXPAND OPERATING LLC/GU-VW MCMAHON WELL PAD | STEVENSVILLE, Bradford, PA | Pass | State |
| 2023-10-05 | RIVERSIDE MATERIALS INC/ASPHALT PLT | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2023-10-05 | US MEDICAL NITRILE & POLYISOPRENE CHEMICAL COMPANY LLC | HONEA PATH, Anderson, SC | Pass | State |
| 2023-10-05 | MADISON GENERATION PLANT | MADISON, Lake, SD | Pass | State |
| 2023-10-05 | FLORIM USA, INC. | CLARKSVILLE, Montgomery, TN | N/A | State |
| 2023-10-05 | KENNECOTT MAIN STACK, SMELTER AND | BINGHAM CANYON, Salt Lake, UT | Pass | State |
| 2023-10-05 | COLOGIX ASH1 | ASHBURN, Loudoun, VA | Pass | State |
| 2023-10-05 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2023-10-05 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2023-10-05 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2023-10-05 | NORTHWEST PIPELINE CORP PLYMOUTH PLANT | PLYMOUTH, Benton, WA | Pass | Local |
| 2023-10-05 | HAMPTON LUMBER MILLS - MORTON | MORTON, Lewis, WA | Pass | Local |
| 2023-10-05 | MOUNTAIN GATHERING, LLC, MCCLELLAND STATION | WORTHINGTON, Marion, WV | Pass | State |
| 2023-10-05 | 50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-10-05 | COLONY PLANT (BENTONITE PERFORMANCE MINERALS) | COLONY, Crook, WY | Pass | State |
| 2023-10-04 | BONANZA POWER PLANT | BONANZA, Uintah, UT | Pass | U.S. EPA |
| 2023-10-04 | BONANZA POWER PLANT | BONANZA, Uintah, UT | Pass | U.S. EPA |
| 2023-10-04 | ALYESKA PIPELINE SERVICE COMPANY / PS #04, TAPS PUMP STATION | NORTH SLOPE BOROUGH, North Slope, AK | Pass | State |
| 2023-10-04 | TECK ALASKA, INC. (TECK) / RED DOG MINE — high-priority violation on file | KOTZEBUE, Northwest Arctic, AK | Pass | State |
| 2023-10-04 | TECK ALASKA, INC. (TECK) / RED DOG MINE — high-priority violation on file | KOTZEBUE, Northwest Arctic, AK | Pass | State |
| 2023-10-04 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2023-10-04 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | BILLINGSLEY, Autauga, AL | Pass | State |
| 2023-10-04 | CMBIOMASS — high-priority violation on file | JACKSON, Clarke, AL | Pass | State |
| 2023-10-04 | MURPHY OIL USA | MONTGOMERY, Montgomery, AL | Pass | State |
| 2023-10-04 | ENABLE GAS TRANSMISSION, LLC (HELENA COMPRESSOR STATION) | HELENA, Phillips, AR | Pass | State |
| 2023-10-04 | ARKANSAS BIOENERGY, LLC - RUSSELLVILLE | RUSSELLVILLE, Pope, AR | Pass | State |
| 2023-10-04 | SFPP, L.P. | BLOOMINGTON, San Bernardino, CA | Pass | Local |
| 2023-10-04 | OLAM WEST COAST INC | FIREBAUGH, Fresno, CA | Pass | Local |
| 2023-10-04 | OLAM WEST COAST INC | FIREBAUGH, Fresno, CA | Pass | Local |
| 2023-10-04 | OLAM WEST COAST INC | FIREBAUGH, Fresno, CA | Pass | Local |
| 2023-10-04 | OLAM WEST COAST INC | FIREBAUGH, Fresno, CA | Pass | Local |
| 2023-10-04 | OLAM WEST COAST INC | FIREBAUGH, Fresno, CA | Pass | Local |
| 2023-10-04 | OLAM WEST COAST INC | FIREBAUGH, Fresno, CA | Pass | Local |
| 2023-10-04 | OLAM WEST COAST INC | FIREBAUGH, Fresno, CA | Pass | Local |
| 2023-10-04 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-04 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-04 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-04 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-04 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-04 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-04 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-04 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-04 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-04 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-04 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-04 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-04 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-04 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-04 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-04 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2023-10-04 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2023-10-04 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2023-10-04 | TAMPA ELECTRIC COMPANY (TEC) | GIBSONTON, Hillsborough, FL | Pass | State |
| 2023-10-04 | TAMPA ELECTRIC COMPANY (TEC) | GIBSONTON, Hillsborough, FL | Pass | State |
| 2023-10-04 | TAMPA ELECTRIC COMPANY (TEC) | GIBSONTON, Hillsborough, FL | Pass | State |
| 2023-10-04 | DUKE ENERGY FLORIDA, LLC | INTERCESSION CITY, Osceola, FL | Pass | State |
| 2023-10-04 | DUKE ENERGY FLORIDA, LLC | INTERCESSION CITY, Osceola, FL | Pass | State |
| 2023-10-04 | DUKE ENERGY FLORIDA, LLC | INTERCESSION CITY, Osceola, FL | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.