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 |
|---|---|---|---|---|
| 2024-12-10 | THE CONTEST CTB | JAL, Lea, NM | Pass | State |
| 2024-12-10 | NITRO COMPRESSOR STATION | EUNICE, Lea, NM | Pass | State |
| 2024-12-10 | NITRO COMPRESSOR STATION | EUNICE, Lea, NM | Pass | State |
| 2024-12-10 | CEDAR CREEK WPCP | WANTAGH, Nassau, NY | Pass | State |
| 2024-12-10 | DUREZ NIAGARA | NIAGARA FALLS, Niagara, NY | Pass | State |
| 2024-12-10 | JOHNS MANVILLE - WATERVILLE 07 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-12-10 | JOHNS MANVILLE - WATERVILLE 07 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-12-10 | JOHNS MANVILLE - WATERVILLE 07 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-12-10 | JOHNS MANVILLE - WATERVILLE 07 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-12-10 | JOHNS MANVILLE - WATERVILLE 07 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-12-10 | JOHNS MANVILLE - WATERVILLE 07 | WATERVILLE, Lucas, OH | Pass | State |
| 2024-12-10 | ASCENT RESOURCES - UTICA LLC - OLIVER CLR BL | MARTINS FERRY, Belmont, OH | Pass | State |
| 2024-12-10 | ASCENT RESOURCES - UTICA LLC - OLIVER CLR BL | MARTINS FERRY, Belmont, OH | Pass | State |
| 2024-12-10 | ASCENT RESOURCES - UTICA LLC - OLIVER CLR BL | MARTINS FERRY, Belmont, OH | Pass | State |
| 2024-12-10 | ET GATHERING PROCESSING LLC / SAN BOIS COMPRESSOR STATION | QUINTON, Pittsburg, OK | Pass | State |
| 2024-12-10 | ET GATHERING PROCESSING LLC / SAN BOIS COMPRESSOR STATION | QUINTON, Pittsburg, OK | Pass | State |
| 2024-12-10 | PONDEROSA GATHERING LLC / PONDEROSA COMPRESSOR STATION 1 | QUINTON, Pittsburg, OK | Pass | State |
| 2024-12-10 | PONDEROSA GATHERING LLC / PONDEROSA COMPRESSOR STATION 1 | QUINTON, Pittsburg, OK | Pass | State |
| 2024-12-10 | TALL OAK WOODFORD LLC / SOLERA COMPRESSOR FACILITY | MCALESTER, Pittsburg, OK | Pass | State |
| 2024-12-10 | ET GATHERING PROCESSING LLC / BLACK BEAR COMPRESSOR STATION | VELMA, Stephens, OK | Pass | State |
| 2024-12-10 | ET GATHERING PROCESSING LLC / BLACK BEAR COMPRESSOR STATION | VELMA, Stephens, OK | Pass | State |
| 2024-12-10 | TEXAS EASTERN TRANS LP/WAYNESBURG STA | WAYNESBURG, Greene, PA | Pass | State |
| 2024-12-10 | GREENTREE BOOSTER COMPRESSOR/ BROCKWAY | BROCKWAY, Elk, PA | Pass | State |
| 2024-12-10 | MAINESBURG GS LP/MAINESBURG GATHERING STA | MANSFIELD, Tioga, PA | Fail | State |
| 2024-12-10 | PA GEN ENERGY CO LLC/TRACT 729 COMPRESSOR STATION | WATERVILLE, Lycoming, PA | Pass | State |
| 2024-12-10 | EXPAND OPERATING LLC/STONE BRA PAD | WYALUSING, Bradford, PA | Pass | State |
| 2024-12-10 | BACARDI CORPORATION | CATANO, Catano, PR | Pass | U.S. EPA |
| 2024-12-10 | VALERO REFINING COMPANY-TN LLC | MEMPHIS, Shelby, TN | Pass | Local |
| 2024-12-10 | NORTHRUP GRUMMAN SYSTEMS - PROMONTORY (FORMERLY ATK) | PROMONTORY (HISTORICAL), Box Elder, UT | Pass | State |
| 2024-12-10 | ST. GEORGE POWER MILLCREEK/RED ROCK | UTAH, Undetermined, UT | Pass | State |
| 2024-12-10 | ST. GEORGE POWER MILLCREEK/RED ROCK | UTAH, Undetermined, UT | Pass | State |
| 2024-12-10 | PACKAGING CORPORATION OF AMERICA — high-priority violation on file | WALLULA, Walla Walla, WA | Pass | State |
| 2024-12-10 | CASCADES TISSUE GROUP - WI INC | EAU CLAIRE, Eau Claire, WI | Pass | State |
| 2024-12-10 | MANITOWOC PUBLIC UTILITIES | MANITOWOC, Manitowoc, WI | Pass | State |
| 2024-12-10 | BIG SANDY PEAKER PLANT, LLC, NEAL | KENOVA, Wayne, WV | Pass | State |
| 2024-12-10 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-12-10 | SCOTT COMPRESSOR STATION (TALLGRASS MIDSTREAM, LLC) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2024-12-09 | DESOTO GATHERING COMPANY, LLC - COVE CREEK CPF-4 | DAMASCUS, Van Buren, AR | Pass | State |
| 2024-12-09 | DESOTO GATHERING COMPANY, LLC - COVE CREEK CPF-4 | DAMASCUS, Van Buren, AR | Pass | State |
| 2024-12-09 | RAZORBACK GATHERING COMPANY, LLC. - JUDSONIA CPF 1 | JUDSONIA, White, AR | Pass | State |
| 2024-12-09 | RAZORBACK GATHERING COMPANY, LLC. - JUDSONIA CPF 1 | JUDSONIA, White, AR | Pass | State |
| 2024-12-09 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-09 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-09 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-09 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-09 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-09 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-09 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2024-12-09 | WHITE SPRINGS AGRICULTURAL CHEMICALS,INC | WHITE SPRINGS, Hamilton, FL | Pass | State |
| 2024-12-09 | WHITE SPRINGS AGRICULTURAL CHEMICALS,INC | WHITE SPRINGS, Hamilton, FL | Pass | State |
| 2024-12-09 | WOLF CREEK LANDFILL | DRY BRANCH, Twiggs, GA | Pass | State |
| 2024-12-09 | WOLF CREEK LANDFILL | DRY BRANCH, Twiggs, GA | Pass | State |
| 2024-12-09 | WOLF CREEK LANDFILL | DRY BRANCH, Twiggs, GA | Pass | State |
| 2024-12-09 | WOLF CREEK LANDFILL | DRY BRANCH, Twiggs, GA | Pass | State |
| 2024-12-09 | WOLF CREEK LANDFILL | DRY BRANCH, Twiggs, GA | Pass | State |
| 2024-12-09 | WOLF CREEK LANDFILL | DRY BRANCH, Twiggs, GA | Pass | State |
| 2024-12-09 | ARCHER DANIELS MIDLAND DM SOYBEAN PLANT | DES MOINES, Polk, IA | Fail | Local |
| 2024-12-09 | RIVERSIDE HOSPITAL | KANKAKEE, Kankakee, IL | Pass | State |
| 2024-12-09 | RIVERSIDE HOSPITAL | KANKAKEE, Kankakee, IL | Pass | State |
| 2024-12-09 | RIVERSIDE HOSPITAL | KANKAKEE, Kankakee, IL | Pass | State |
| 2024-12-09 | PLACID REFINING COMPANY LLC - PORT ALLEN REFINERY | PORT ALLEN, West Baton Rouge, LA | Pass | State |
| 2024-12-09 | CITY OF BATH LANDFILL | BATH, Sagadahoc, ME | Pass | State |
| 2024-12-09 | SAPPI NORTH AMERICA, INC. | SKOWHEGAN, Somerset, ME | Pass | State |
| 2024-12-09 | WASTE MANAGEMENT DISPOSAL SERVICES OF MAINE, INC. — high-priority violation on file | NORRIDGEWOCK, Somerset, ME | Pass | State |
| 2024-12-09 | WASTE MANAGEMENT DISPOSAL SERVICES OF MAINE, INC. — high-priority violation on file | NORRIDGEWOCK, Somerset, ME | Pass | State |
| 2024-12-09 | GCF US HOLDINGS, LLC - COLUMBUS MILL — high-priority violation on file | COLUMBUS, Lowndes, MS | Pass | State |
| 2024-12-09 | IREDELL TRANSMISSION, LLC | STATESVILLE, Iredell, NC | Pass | State |
| 2024-12-09 | BULLDOG COMPRESSOR STATION | LOCO HILLS, Eddy, NM | Pass | State |
| 2024-12-09 | PETRY BOOSTER STATION | MALAGA, Eddy, NM | Pass | State |
| 2024-12-09 | EOG - ODIN COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-12-09 | EOG - ODIN COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2024-12-09 | ZIA HILLS CENTRAL FACILITY | MALAGA, Lea, NM | Pass | State |
| 2024-12-09 | ZIA HILLS CENTRAL FACILITY | MALAGA, Lea, NM | Pass | State |
| 2024-12-09 | NITRO COMPRESSOR STATION | EUNICE, Lea, NM | Pass | State |
| 2024-12-09 | VAL VERDE GAS TREATMENT PLANT | BLOOMFIELD, San Juan, NM | Pass | State |
| 2024-12-09 | PARADISE COMPRESSOR STATION #3 | PARADISE VALLEY, Humboldt, NV | Pass | State |
| 2024-12-09 | EOG RESOURCES, INC. - TOWE 29-12-6 PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2024-12-09 | EOG RESOURCES, INC. - TOWE 29-12-6 PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2024-12-09 | EOG RESOURCES, INC. - TOWE 29-12-6 PAD | BOWERSTON, Harrison, OH | Pass | State |
| 2024-12-09 | ET GATHERING PROCESSING LLC / HATCHETT COMPRESSOR STATION | GREENFIELD, Blaine, OK | Pass | State |
| 2024-12-09 | ET GATHERING PROCESSING LLC / HATCHETT COMPRESSOR STATION | GREENFIELD, Blaine, OK | Pass | State |
| 2024-12-09 | FW MIDCON I LLC / FAITH 4H 12 BILLY 1H 12 | LINDSAY, Grady, OK | Pass | State |
| 2024-12-09 | FW MIDCON I LLC / VINSON 2H 3H 14 DICKEY 1H 14 | RUSH SPRINGS, Grady, OK | Pass | State |
| 2024-12-09 | GREYLOCK MIDSTREAM LLC/CUMBERLAND HENDERSON COMP STA | CARMICHAELS, Greene, PA | Pass | State |
| 2024-12-09 | NYDIG DFM LLC - DUCHESNE DATA POWER STATION (FORMERLY CRUSOE ENERGY SYSTEMS) | UPALCO, Duchesne, UT | Pass | State |
| 2024-12-09 | GAS TRANSMISSION NORTHWEST #7 | WASHINGTON, Undetermined, WA | Pending | State |
| 2024-12-09 | STARBUCKS MANUFACTURING CORPORATION | KENT, King, WA | Pass | Local |
| 2024-12-09 | AHLSTROM RHINELANDER LLC | RHINELANDER, Outagamie, WI | Pass | State |
| 2024-12-09 | HOUSE CREEK MAINLINE COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2024-12-09 | HOUSE CREEK MAINLINE COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2024-12-09 | HOUSE CREEK MAINLINE COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2024-12-09 | HOUSE CREEK MAINLINE COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2024-12-08 | HECO - KAHE | KAPOLEI, Honolulu, HI | Pass | State |
| 2024-12-08 | REWORLD PLYMOUTH/ PLYMOUTH — high-priority violation on file | CONSHOHOCKEN, Montgomery, PA | Pass | State |
| 2024-12-06 | INTERNATIONAL PAPER COMPANY — high-priority violation on file | SELMA, Dallas, AL | Pass | State |
| 2024-12-06 | INTERNATIONAL PAPER COMPANY — high-priority violation on file | SELMA, Dallas, AL | Pass | State |
| 2024-12-06 | MERIDIAN AGGREGATES - BLACK ROCK QUARRY | BLACK ROCK, Lawrence, AR | Pass | State |
| 2024-12-06 | MERIDIAN AGGREGATES - BLACK ROCK QUARRY | BLACK ROCK, Lawrence, AR | Pass | State |
| 2024-12-06 | MERIDIAN AGGREGATES - BLACK ROCK QUARRY | BLACK ROCK, Lawrence, AR | Pass | State |
| 2024-12-06 | MERIDIAN AGGREGATES - BLACK ROCK QUARRY | BLACK ROCK, Lawrence, AR | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register and their 2024 stack tests. Nationwide, 39,252 stack tests were recorded in 2024.