EPA Air · stack tests by year
Air-emissions stack tests in 2019
- 26,261Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2019
- California 6,897
- Ohio 2,684
- Oklahoma 1,656
- Florida 1,597
- Indiana 1,595
- Georgia 1,325
- Pennsylvania 723
- Alabama 687
- Arkansas 664
- Texas 620
- Mississippi 604
- Iowa 457
- Washington 445
- Colorado 431
- New Mexico 421
- Missouri 409
- North Carolina 297
- Minnesota 285
- Montana 272
- Michigan 268
- Wyoming 252
- Wisconsin 251
- South Carolina 231
- Louisiana 225
- Delaware 189
- Kentucky 188
- Utah 184
- West Virginia 176
- Kansas 175
- Alaska 159
- North Dakota 154
- Nebraska 149
- Illinois 138
- Connecticut 124
- New York 122
- Tennessee 121
- Maine 110
- Virginia 107
- Nevada 107
- Idaho 95
- Hawaii 93
- Oregon 88
- New Hampshire 78
- Arizona 77
- New Jersey 61
- South Dakota 59
- Massachusetts 58
- Maryland 54
- Rhode Island 45
- District of Columbia 33
- Vermont 21
Other years
Air-emissions stack tests recorded in 2019
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2019-09-05 | GREEN PLAINS WOOD RIVER LLC — high-priority violation on file | WOOD RIVER, Hall, NE | N/A | State |
| 2019-09-05 | JAL NO3 GAS PLANT | JAL, Lea, NM | Pass | State |
| 2019-09-05 | THISTLE COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2019-09-05 | THISTLE COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2019-09-05 | THISTLE COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2019-09-05 | THISTLE COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2019-09-05 | NORTH VALMY GENERATING STATION | VALMY, Humboldt, NV | Pass | State |
| 2019-09-05 | HAWTHORNE ARMY DEPOT | HAWTHORNE, Mineral, NV | Pass | State |
| 2019-09-05 | CURRAN RENEWABLE ENERGY LLC | MASSENA, St. Lawrence, NY | Pass | State |
| 2019-09-05 | MPLX TERMINALS LLC - COLUMBUS TERMINAL | COLUMBUS, Franklin, OH | Pass | State |
| 2019-09-05 | LIMESTONE RNG HIGH BTU FACILITY — high-priority violation on file | LOWELLVILLE, Mahoning, OH | Pass | State |
| 2019-09-05 | LIMESTONE RNG HIGH BTU FACILITY — high-priority violation on file | LOWELLVILLE, Mahoning, OH | Pass | State |
| 2019-09-05 | LIMESTONE RNG HIGH BTU FACILITY — high-priority violation on file | LOWELLVILLE, Mahoning, OH | Pass | State |
| 2019-09-05 | LIMESTONE RNG HIGH BTU FACILITY — high-priority violation on file | LOWELLVILLE, Mahoning, OH | Pass | State |
| 2019-09-05 | LIMESTONE RNG HIGH BTU FACILITY — high-priority violation on file | LOWELLVILLE, Mahoning, OH | Pass | State |
| 2019-09-05 | LIMESTONE RNG HIGH BTU FACILITY — high-priority violation on file | LOWELLVILLE, Mahoning, OH | Pass | State |
| 2019-09-05 | NIPPON SANSO MATHESON, INC. | LIMA, Allen, OH | Pass | State |
| 2019-09-05 | NIPPON SANSO MATHESON, INC. | LIMA, Allen, OH | Pass | State |
| 2019-09-05 | WALLEYE POWER, LLC, BAY SHORE PLANT | OREGON, Lucas, OH | Pass | State |
| 2019-09-05 | WALLEYE POWER, LLC, BAY SHORE PLANT | OREGON, Lucas, OH | Pass | State |
| 2019-09-05 | HDMA - TRANSMISSION PLANT - OMD | RUSSELLS POINT, Logan, OH | Pass | State |
| 2019-09-05 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2019-09-05 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2019-09-05 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2019-09-05 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2019-09-05 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2019-09-05 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2019-09-05 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2019-09-05 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2019-09-05 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2019-09-05 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2019-09-05 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2019-09-05 | BLUE RACER MIDSTREAM, LLC - HAYES STATION | SALESVILLE, Guernsey, OH | Pass | State |
| 2019-09-05 | ZIMMER POWER COMPANY LLC | MOSCOW, Clermont, OH | Pass | State |
| 2019-09-05 | ZIMMER POWER COMPANY LLC | MOSCOW, Clermont, OH | Pass | State |
| 2019-09-05 | VALLEY ASPHALT #17 - PORTABLE | CLEVES, Hamilton, OH | Pass | State |
| 2019-09-05 | VALLEY ASPHALT #17 - PORTABLE | CLEVES, Hamilton, OH | Pass | State |
| 2019-09-05 | VALLEY ASPHALT #17 - PORTABLE | CLEVES, Hamilton, OH | Pass | State |
| 2019-09-05 | VALLEY ASPHALT #17 - PORTABLE | CLEVES, Hamilton, OH | Pass | State |
| 2019-09-05 | EJ ARDMORE INC / ARDMORE FOUNDRY | ARDMORE, Carter, OK | Pass | State |
| 2019-09-05 | EJ ARDMORE INC / ARDMORE FOUNDRY | ARDMORE, Carter, OK | Pass | State |
| 2019-09-05 | XTO ENERGY INC / PETTIJOHN CDP | GENE AUTRY, Marshall, OK | Pass | State |
| 2019-09-05 | XTO ENERGY INC / PETTIJOHN CDP | GENE AUTRY, Marshall, OK | Pass | State |
| 2019-09-05 | XTO ENERGY INC / PETTIJOHN CDP | GENE AUTRY, Marshall, OK | Pass | State |
| 2019-09-05 | XTO ENERGY INC / PETTIJOHN CDP | GENE AUTRY, Marshall, OK | Pass | State |
| 2019-09-05 | MARKWEST PIONEER LLC / ARKOMA COMPRESSOR STATION | COALGATE, Coal, OK | Pass | State |
| 2019-09-05 | MARKWEST PIONEER LLC / ARKOMA COMPRESSOR STATION | COALGATE, Coal, OK | Pass | State |
| 2019-09-05 | MARKWEST PIONEER LLC / ARKOMA COMPRESSOR STATION | COALGATE, Coal, OK | Pass | State |
| 2019-09-05 | MARKWEST PIONEER LLC / ARKOMA COMPRESSOR STATION | COALGATE, Coal, OK | Pass | State |
| 2019-09-05 | ET GATHERING PROCESSING LLC / SAINTS COMPRESSOR STATION | SHATTUCK, Ellis, OK | Pass | State |
| 2019-09-05 | ET GATHERING PROCESSING LLC / SAINTS COMPRESSOR STATION | SHATTUCK, Ellis, OK | Pass | State |
| 2019-09-05 | CONTINENTAL RESOURCES / HINES LANG OMER SPRINGBOARD 2 CDP SPRI | PURDY, Garvin, OK | Pass | State |
| 2019-09-05 | VALIDUS ENERGY II MIDCON LLC / BUD DILLY WEST BATTERY | PURDY, Garvin, OK | Pass | State |
| 2019-09-05 | VALIDUS ENERGY II MIDCON LLC / BUD DILLY CENTRAL BATTERY | PURDY, Garvin, OK | Pass | State |
| 2019-09-05 | VALIDUS ENERGY II MIDCON LLC / BUD DILLY CENTRAL BATTERY | PURDY, Garvin, OK | Pass | State |
| 2019-09-05 | DCP OPERATING CO LP / CROSSROADS COMPRESSOR STATION | MARLOW, Stephens, OK | Pass | State |
| 2019-09-05 | INTERNATIONAL PAPER | SPRINGFIELD, Lane, OR | Pass | Local |
| 2019-09-05 | INTERNATIONAL PAPER | SPRINGFIELD, Lane, OR | Pass | Local |
| 2019-09-05 | PEPPERIDGE FARM INC/DOWNINGTOWN | DOWNINGTOWN, Chester, PA | Pass | State |
| 2019-09-05 | NLMK PENNSYLVANIA LLC/FARRELL PLT — high-priority violation on file | FARRELL, Mercer, PA | Pass | State |
| 2019-09-05 | CLEVELAND CLIFFS MONESSEN COKE LLC/MONESSEN COKE PLT — high-priority violation on file | MONESSEN, Westmoreland, PA | Pass | State |
| 2019-09-05 | SCHUYLKILL ENERGY RES/ST NICHOLAS COGEN — high-priority violation on file | SHENANDOAH, Schuylkill, PA | Pass | State |
| 2019-09-05 | LAUREL MTN MIDSTREAM OPR LLC/DUNBAR COMP STA | DUNBAR, Fayette, PA | Pass | State |
| 2019-09-05 | SENECA RESOURCES CORP/PHC COMP STA | CLEARFIELD, Clearfield, PA | Pass | State |
| 2019-09-05 | NFG MIDSTREAM COVINGTON LLC/COVINGTON COMP STA | COVINGTON, Tioga, PA | Pass | State |
| 2019-09-05 | NFG MIDSTREAM COVINGTON LLC/DCNR TRACT 595 | ARNOT, Tioga, PA | Pass | State |
| 2019-09-05 | CAIMAN PENN MIDSTREAM LLC/HUTTON COMP STA | MAHAFFEY, Clearfield, PA | Pass | State |
| 2019-09-05 | ALGONQUIN GAS TRANSMISSION LINE | BURRILLVILLE, TOWN OF, Providence, RI | Pass | State |
| 2019-09-05 | BASIN ELECTRIC - DEER CREEK STATION | ELKTON, Brookings, SD | Pass | State |
| 2019-09-05 | SA RECYCLING LLC | HARRIMAN, Roane, TN | Pass | State |
| 2019-09-05 | HOEGANAES CORPORATION | GALLATIN, Sumner, TN | Pass | State |
| 2019-09-05 | CAPITOL AGGREGATES CEMENT PLANT | SAN ANTONIO, Bexar, TX | Pass | State |
| 2019-09-05 | CAPITOL AGGREGATES CEMENT PLANT | SAN ANTONIO, Bexar, TX | Pass | State |
| 2019-09-05 | AEROJET ROCKETDYNE, INC. | REDMOND, King, WA | Pass | Local |
| 2019-09-05 | AEROJET ROCKETDYNE, INC. | REDMOND, King, WA | Pass | Local |
| 2019-09-05 | PUGET SOUND ENERGY (WA NATURAL GAS) | CHEHALIS, Lewis, WA | Pass | Local |
| 2019-09-05 | APPALACHIA MIDSTREAM SERVICES, LLC, BATTLE RUN | VALLEY GROVE, Ohio, WV | Pass | State |
| 2019-09-05 | NAUGHTON PLANT (PACIFICORP) | KEMMERER, Lincoln, WY | Pass | State |
| 2019-09-04 | INTERNATIONAL PAPER COMPANY — high-priority violation on file | SELMA, Dallas, AL | Pass | State |
| 2019-09-04 | INTERNATIONAL PAPER COMPANY — high-priority violation on file | SELMA, Dallas, AL | Pass | State |
| 2019-09-04 | INTERNATIONAL PAPER COMPANY — high-priority violation on file | SELMA, Dallas, AL | Pass | State |
| 2019-09-04 | SSAB ALABAMA INC | AXIS, Mobile, AL | Pass | State |
| 2019-09-04 | SSAB ALABAMA INC | AXIS, Mobile, AL | Pass | State |
| 2019-09-04 | HALLIBURTON ENERGY SERVICES, INC. - MAGNET COVE | MALVERN, Hot Spring, AR | Pass | State |
| 2019-09-04 | HALLIBURTON ENERGY SERVICES, INC. - MAGNET COVE | MALVERN, Hot Spring, AR | Pass | State |
| 2019-09-04 | HALLIBURTON ENERGY SERVICES, INC. - MAGNET COVE | MALVERN, Hot Spring, AR | Pass | State |
| 2019-09-04 | HALLIBURTON ENERGY SERVICES, INC. - MAGNET COVE | MALVERN, Hot Spring, AR | Pass | State |
| 2019-09-04 | HALLIBURTON ENERGY SERVICES, INC. - MAGNET COVE | MALVERN, Hot Spring, AR | Pass | State |
| 2019-09-04 | AES ALAMITOS STATION, LLC | LONG BEACH, Los Angeles, CA | Pass | Local |
| 2019-09-04 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2019-09-04 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2019-09-04 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2019-09-04 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2019-09-04 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2019-09-04 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2019-09-04 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2019-09-04 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2019-09-04 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2019-09-04 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2019-09-04 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.