EPA Air · stack tests by year
Air-emissions stack tests in 2022
- 29,136Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2022
- California 10,813
- Ohio 2,355
- Indiana 1,925
- Florida 1,564
- Oklahoma 1,350
- Georgia 1,096
- New Mexico 981
- Pennsylvania 830
- Alabama 630
- Mississippi 577
- Arkansas 562
- Colorado 460
- Iowa 434
- Missouri 359
- Texas 288
- Michigan 288
- Wisconsin 262
- Washington 260
- North Carolina 252
- Kentucky 245
- Wyoming 241
- Minnesota 236
- South Carolina 228
- West Virginia 210
- Delaware 209
- Utah 162
- Montana 155
- Nebraska 143
- Nevada 137
- Illinois 136
- Tennessee 134
- Louisiana 131
- Alaska 131
- Virginia 126
- Maine 116
- Connecticut 115
- Arizona 114
- New York 113
- North Dakota 110
- New Jersey 104
- Idaho 99
- Hawaii 69
- District of Columbia 60
- South Dakota 55
- Maryland 52
- Oregon 49
- New Hampshire 48
- Puerto Rico 39
- Kansas 37
- Rhode Island 23
- Massachusetts 19
- Vermont 4
Other years
Air-emissions stack tests recorded in 2022
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2022-08-24 | ASCENT RESOURCES - UTICA LLC - PORTERFIELD WELL PAD | WASHINGTON, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2022-08-24 | ASCENT RESOURCES - UTICA LLC - PORTERFIELD WELL PAD | WASHINGTON, TOWNSHIP OF, Belmont, OH | Pass | State |
| 2022-08-24 | ASCENT RESOURCES - UTICA LLC - PORTERFIELD WELL PAD | WASHINGTON, TOWNSHIP OF, Belmont, OH | Fail | State |
| 2022-08-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2022-08-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2022-08-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2022-08-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2022-08-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2022-08-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2022-08-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2022-08-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2022-08-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2022-08-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2022-08-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2022-08-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2022-08-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2022-08-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2022-08-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2022-08-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2022-08-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2022-08-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2022-08-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2022-08-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2022-08-24 | INR MIDSTREAM, LLC - CRUM COMPRESSOR STATION | SENECA, TOWNSHIP OF, Noble, OH | Pass | State |
| 2022-08-24 | AMERICAS STYRENICS | IRONTON, Lawrence, OH | Pass | State |
| 2022-08-24 | AMERICAS STYRENICS | IRONTON, Lawrence, OH | Pass | State |
| 2022-08-24 | AMERICAS STYRENICS | IRONTON, Lawrence, OH | Pass | State |
| 2022-08-24 | GIVAUDAN FLAVORS CORPORATION | CINCINNATI, Hamilton, OH | Pass | State |
| 2022-08-24 | GIVAUDAN FLAVORS CORPORATION | CINCINNATI, Hamilton, OH | Pass | State |
| 2022-08-24 | GIVAUDAN FLAVORS CORPORATION | CINCINNATI, Hamilton, OH | Pass | State |
| 2022-08-24 | GIVAUDAN FLAVORS CORPORATION | CINCINNATI, Hamilton, OH | Pass | State |
| 2022-08-24 | VALIDUS ENERGY II MIDCON LLC / LORENE 2 8 5XHM | WATONGA, Blaine, OK | Pass | State |
| 2022-08-24 | VALIDUS ENERGY II MIDCON LLC / LORENE 3 5 8XHM | WATONGA, Blaine, OK | Pass | State |
| 2022-08-24 | ET GATHERING PROCESSING LLC / GRADY COMPRESSOR STATION | CHICKASHA, Grady, OK | Pass | State |
| 2022-08-24 | ET GATHERING PROCESSING LLC / GRADY COMPRESSOR STATION | CHICKASHA, Grady, OK | Pass | State |
| 2022-08-24 | ET GATHERING PROCESSING LLC / GRADY COMPRESSOR STATION | CHICKASHA, Grady, OK | Pass | State |
| 2022-08-24 | MARKWEST OKLAHOMA GAS CO LLC / LOYAL COMPRESSOR STATION | LOYAL, Kingfisher, OK | Pass | State |
| 2022-08-24 | MARKWEST OKLAHOMA GAS CO LLC / LOYAL COMPRESSOR STATION | LOYAL, Kingfisher, OK | Pass | State |
| 2022-08-24 | DCP OPERATING CO LP / SHOLEM GAS PLANT | VELMA, Stephens, OK | Pass | State |
| 2022-08-24 | DCP OPERATING CO LP / SHOLEM GAS PLANT | VELMA, Stephens, OK | Pass | State |
| 2022-08-24 | PORTLAND GENERAL ELECTRIC COMPANY — high-priority violation on file | CLATSKANIE, Columbia, OR | Pass | State |
| 2022-08-24 | PORTLAND GENERAL ELECTRIC COMPANY — high-priority violation on file | CLATSKANIE, Columbia, OR | Pass | State |
| 2022-08-24 | EASTERN GAS TRANS & STORAGE INC/FINNEFROCK STA | RENOVO, Clinton, PA | Pass | State |
| 2022-08-24 | ALLAN MYERS LP/DEVAULT ASPHALT PLANT | CHARLESTOWN, Chester, PA | Pass | State |
| 2022-08-24 | LAUREL MTN MIDSTREAM OPR LLC/DUNBAR COMP STA | DUNBAR, Fayette, PA | Pass | State |
| 2022-08-24 | EXPAND OPERATING LLC/VALENTINE CPF 1 | CLIFFORD, Susquehanna, PA | Pass | State |
| 2022-08-24 | EXPAND OPERATING LLC/VALENTINE CPF 1 | CLIFFORD, Susquehanna, PA | Pass | State |
| 2022-08-24 | WARREN EP INC/REIMILLER PAD | MESHOPPEN, Wyoming, PA | Pass | State |
| 2022-08-24 | EXPAND OPERATING LLC/NR02 ENDLESS MOUNTAIN WELLPAD | MONTROSE, Susquehanna, PA | Pass | State |
| 2022-08-24 | PALMETTO PAVING LUGOFF | LUGOFF, Kershaw, SC | Pass | State |
| 2022-08-24 | C R JACKSON INC - BATESBURG ASPHALT PLANT | BATESBURG - LEESVILLE, Lexington, SC | Pass | State |
| 2022-08-24 | RED CEDAR GATHERING COMPANY - SOUTH IGNACIO CENTRAL DEL | SOUTHERN UTE RESERVATION, La Plata, CO | Pass | State |
| 2022-08-24 | TENNESSEE VALLEY AUTHORITY (TVA) - LAGOON CREEK COMBUSTION TURBINE PLANT (LCT) | BROWNSVILLE, Haywood, TN | Pass | State |
| 2022-08-24 | CITY OF LEBANON GASIFICATION PLAN DBA CITY OF LEBANON WASTE WATER TREATMENT PLAN | LEBANON, Wilson, TN | Pass | State |
| 2022-08-24 | NUCOR STEEL | PLYMOUTH, Box Elder, UT | Pass | State |
| 2022-08-24 | KENNECOTT MAIN STACK, SMELTER AND | BINGHAM CANYON, Salt Lake, UT | Pass | State |
| 2022-08-24 | DOMINION ENERGY - CHESTERFIELD POWER STATION | CHESTER, Chesterfield, VA | Pass | State |
| 2022-08-24 | US NAVY - NAVAL STATION NORFOLK | NORFOLK, Norfolk (city), VA | Pass | State |
| 2022-08-24 | NIPPON DYNAWAVE PACKAGING COMPANY LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2022-08-24 | PUGET SOUND ENERGY FERNDALE | FERNDALE, Whatcom, WA | Pass | Local |
| 2022-08-24 | PUGET SOUND ENERGY FERNDALE | FERNDALE, Whatcom, WA | Pass | Local |
| 2022-08-24 | BP WEST COAST PRODUCTS LLC — high-priority violation on file | BLAINE, Whatcom, WA | Pass | Local |
| 2022-08-24 | HAMPTON LUMBER MILLS - MORTON | MORTON, Lewis, WA | Pass | Local |
| 2022-08-24 | WI PUBLIC SERVICE CORP - JP PULLIAM PLANT | GREEN BAY, Brown, WI | Pass | State |
| 2022-08-24 | U.S. ENERGY GREEN BAY BYLSBY TERMINAL | GREEN BAY, Brown, WI | Pass | State |
| 2022-08-24 | UNITED ENERGY NECEDAH LLC — high-priority violation on file | NECEDAH, Juneau, WI | Pass | State |
| 2022-08-24 | WAUPACA FOUNDRY, INC.-PLANT 4 | MARINETTE, Marinette, WI | Pass | State |
| 2022-08-24 | WAUPACA FOUNDRY, INC.-PLANT 4 | MARINETTE, Marinette, WI | Pass | State |
| 2022-08-24 | WESTLAKE NATRIUM LLC, WESTLAKE NATRIUM | PROCTOR, Marshall, WV | Pass | State |
| 2022-08-24 | OMNIS PLEASANTS, LLC, PLEASANTS POWER STATION | WILLOW ISLAND, Pleasants, WV | Pass | State |
| 2022-08-24 | HOUSE CREEK MAINLINE COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2022-08-24 | CARTER CREEK GAS PLANT (HILCORP ENERGY CO) | EVANSTON, Uinta, WY | Pass | State |
| 2022-08-23 | INTERNATIONAL PAPER COMPANY | PRATTVILLE, Autauga, AL | Pass | State |
| 2022-08-23 | INTERNATIONAL PAPER COMPANY | PRATTVILLE, Autauga, AL | Pass | State |
| 2022-08-23 | TENNESSEE GAS PIPELINE COMPANY, LLC | HAMILTON, Marion, AL | Pass | State |
| 2022-08-23 | TENNESSEE GAS PIPELINE COMPANY, LLC | HAMILTON, Marion, AL | Pass | State |
| 2022-08-23 | TENNESSEE GAS PIPELINE COMPANY, LLC | HAMILTON, Marion, AL | Pass | State |
| 2022-08-23 | TENNESSEE GAS PIPELINE COMPANY, LLC | HAMILTON, Marion, AL | Pass | State |
| 2022-08-23 | TENNESSEE GAS PIPELINE COMPANY, LLC | HAMILTON, Marion, AL | Pass | State |
| 2022-08-23 | TENNESSEE GAS PIPELINE COMPANY, LLC | HAMILTON, Marion, AL | Pass | State |
| 2022-08-23 | TENNESSEE GAS PIPELINE COMPANY, LLC | HAMILTON, Marion, AL | Pass | State |
| 2022-08-23 | TENNESSEE GAS PIPELINE COMPANY, LLC | HAMILTON, Marion, AL | Pass | State |
| 2022-08-23 | QUIKRETE CONSTRUCTION MATERIALS, LLC — high-priority violation on file | CALERA, Shelby, AL | Pass | State |
| 2022-08-23 | DESOTO GATHERING COMPANY, LLC - PHILLIPS MOUNTAIN CPF-1 | CLEVELAND, Conway, AR | Pass | State |
| 2022-08-23 | DESOTO GATHERING COMPANY, LLC - PHILLIPS MOUNTAIN CPF-2 | CLEVELAND, Conway, AR | Pass | State |
| 2022-08-23 | EL PASO NATURAL GAS CO - SELIGMAN COMPRESSOR STATION | SELIGMAN, Yavapai, AZ | Pass | State |
| 2022-08-23 | USMC - YERMO LOGISTICS CNTR | BARSTOW, San Bernardino, CA | Pass | Local |
| 2022-08-23 | CHEVRON PRODUCTS CO — high-priority violation on file | EL SEGUNDO, Los Angeles, CA | Pass | Local |
| 2022-08-23 | SO CAL GAS CO | NORTHRIDGE, Los Angeles, CA | Pass | Local |
| 2022-08-23 | KINDER MORGAN LIQUIDS TERMINALS LLC | CARSON, Los Angeles, CA | Pass | Local |
| 2022-08-23 | CANYON POWER PLANT | ANAHEIM, Orange, CA | Pass | Local |
| 2022-08-23 | O'NEILL BEVERAGES CO LLC | PARLIER, Fresno, CA | Pass | Local |
| 2022-08-23 | O'NEILL BEVERAGES CO LLC | PARLIER, Fresno, CA | Pass | Local |
| 2022-08-23 | O'NEILL BEVERAGES CO LLC | PARLIER, Fresno, CA | Pass | Local |
| 2022-08-23 | O'NEILL BEVERAGES CO LLC | PARLIER, Fresno, CA | Pass | Local |
| 2022-08-23 | O'NEILL BEVERAGES CO LLC | PARLIER, Fresno, CA | Pass | Local |
| 2022-08-23 | O'NEILL BEVERAGES CO LLC | PARLIER, Fresno, CA | Pass | Local |
| 2022-08-23 | O'NEILL BEVERAGES CO LLC | PARLIER, Fresno, CA | Pass | Local |
| 2022-08-23 | O'NEILL BEVERAGES CO LLC | PARLIER, Fresno, CA | Pass | Local |
| 2022-08-23 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.