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 |
|---|---|---|---|---|
| 2019-10-15 | COPE STATION | COPE, Orangeburg, SC | Pass | State |
| 2019-10-15 | COPE STATION | COPE, Orangeburg, SC | Pass | State |
| 2019-10-15 | KING ASPHALT, INC. - MCCONNELLS | MCCONNELLS, York, SC | Pass | State |
| 2019-10-15 | ARCONIC US LLC | ALCOA, Blount, TN | Pass | State |
| 2019-10-15 | JOHNS MANVILLE, INC. | ETOWAH, McMinn, TN | Pass | State |
| 2019-10-15 | CABINETWORKS GROUP MICHIGAN, LLC - MOUNT JACKSON | MOUNT JACKSON, Shenandoah, VA | Pass | State |
| 2019-10-15 | FULLER SAND & GRAVEL INC (DANBY PORTABLE HMA PLANT) | DANBY, Rutland, VT | Pass | State |
| 2019-10-15 | GRAYMONT WESTERN LIME INC — high-priority violation on file | GREEN BAY, Brown, WI | Pass | State |
| 2019-10-15 | DAIRYLAND POWER COOP ALMA SITE | ALMA, Buffalo, WI | Pass | State |
| 2019-10-15 | MATERION ADVANCED CHEMICALS INC. | MILWAUKEE, Milwaukee, WI | Pass | State |
| 2019-10-14 | GILLIBRAND INDUSTRIAL SANDS, LLC | SIMI VALLEY, Ventura, CA | Pass | Local |
| 2019-10-14 | DCP OPERATING CO - GREELEY NATURAL GAS P | EVANS AREA, Weld, CO | Pass | State |
| 2019-10-14 | DCP OPERATING CO - GREELEY NATURAL GAS P | EVANS AREA, Weld, CO | Pass | State |
| 2019-10-14 | DCP OPERATING CO - GREELEY NATURAL GAS P | EVANS AREA, Weld, CO | Pass | State |
| 2019-10-14 | DCP OPERATING CO - GREELEY NATURAL GAS P | EVANS AREA, Weld, CO | Pass | State |
| 2019-10-14 | DCP OPERATING CO - GREELEY NATURAL GAS P | EVANS AREA, Weld, CO | Pass | State |
| 2019-10-14 | DCP OPERATING CO - GREELEY NATURAL GAS P | EVANS AREA, Weld, CO | Pass | State |
| 2019-10-14 | DCP OPERATING CO - GREELEY NATURAL GAS P | EVANS AREA, Weld, CO | Pass | State |
| 2019-10-14 | DCP OPERATING CO - GREELEY NATURAL GAS P | EVANS AREA, Weld, CO | Pass | State |
| 2019-10-14 | BIOCHAR NOW, LLC - BERTHOUD PLANT | BERTHOUD, Weld, CO | Fail | State |
| 2019-10-14 | EXTRACTION O&G - HFE 22-P PROD FACILITY | BERTHOUD AREA, Weld, CO | Fail | State |
| 2019-10-14 | ESPN, INC. | BRISTOL, Hartford, CT | Pass | State |
| 2019-10-14 | CARGILL INC-CORN MILLING | CEDAR RAPIDS, Linn, IA | Pass | Local |
| 2019-10-14 | CENTURY ALUMINUM OF KY LLC | HAWESVILLE, Hancock, KY | Fail | State |
| 2019-10-14 | CENTURY ALUMINUM OF KY LLC | HAWESVILLE, Hancock, KY | Fail | State |
| 2019-10-14 | DIVERSIFIED MIDSTREAM LLC - MYRA COMPRESSOR STATION | MYRA, Pike, KY | Pass | State |
| 2019-10-14 | BREMBO NORTH AMERICA, INC. — high-priority violation on file | HOMER, Calhoun, MI | Pending | State |
| 2019-10-14 | ARAUCO NORTH AMERICA | GRAYLING, Crawford, MI | Pass | State |
| 2019-10-14 | DOE RUN CO-BUICK RESOURCE RECYCLING FCLT | BOSS, Dent, MO | Pending | State |
| 2019-10-14 | NESTLE PURINA PETCARE COMPANY BLOOMFIELD | BLOOMFIELD, Stoddard, MO | Pending | State |
| 2019-10-14 | WESTERN SUGAR COOPERATIVE — high-priority violation on file | BILLINGS, Yellowstone, MT | Pass | State |
| 2019-10-14 | CHILES 28 WELLPAD 1 | EUNICE, Lea, NM | Pass | State |
| 2019-10-14 | CHILES 28 WELLPAD 1 | EUNICE, Lea, NM | Pass | State |
| 2019-10-14 | OHIO MIDSTREAM PARTNERS SAND HILLS COMPRESSOR STATION | NEFFS, Belmont, OH | Pass | State |
| 2019-10-14 | OHIO MIDSTREAM PARTNERS SAND HILLS COMPRESSOR STATION | NEFFS, Belmont, OH | Pass | State |
| 2019-10-14 | OHIO MIDSTREAM PARTNERS SAND HILLS COMPRESSOR STATION | NEFFS, Belmont, OH | Pass | State |
| 2019-10-14 | ONEOK FIELD SERVICES CO LLC / WARD COMPRESSOR STATION NORTHERN ROWS | GEARY, Canadian, OK | Pass | State |
| 2019-10-14 | ONEOK FIELD SERVICES CO LLC / WARD COMPRESSOR STATION NORTHERN ROWS | GEARY, Canadian, OK | Pass | State |
| 2019-10-14 | MARKWEST OKLAHOMA GAS CO LLC / SPRAGUE COMPRESSOR STATION | COALGATE, Coal, OK | Pass | State |
| 2019-10-14 | MARKWEST OKLAHOMA GAS CO LLC / BUTLER ARAPAHO GAS PLANT — high-priority violation on file | BUTLER, Custer, OK | Pass | State |
| 2019-10-14 | USS/CLAIRTON WORKS — high-priority violation on file | CLAIRTON, Allegheny, PA | Fail | Local |
| 2019-10-14 | OXBOW CALCINING | PORT ARTHUR, Jefferson, TX | N/A | State |
| 2019-10-14 | OXBOW CALCINING | PORT ARTHUR, Jefferson, TX | N/A | State |
| 2019-10-14 | COVENTRY CLEAN ENERGY CORPORATION — high-priority violation on file | COVENTRY, Orleans, VT | Pass | State |
| 2019-10-14 | DAIRYLAND POWER COOP ALMA SITE | ALMA, Buffalo, WI | Pass | State |
| 2019-10-13 | HILCORP ENERGY COMPANY | CREOLA, Mobile, AL | Pass | State |
| 2019-10-13 | HILCORP ENERGY COMPANY | CREOLA, Mobile, AL | Pass | State |
| 2019-10-12 | HILCORP ENERGY COMPANY | CREOLA, Mobile, AL | Pass | State |
| 2019-10-12 | HILCORP ENERGY COMPANY | CREOLA, Mobile, AL | Pass | State |
| 2019-10-12 | UNIVERSITY OF SOUTHERN CALIFORNIA HEALTH | LOS ANGELES, Los Angeles, CA | Pass | Local |
| 2019-10-12 | UNIVERSITY OF SOUTHERN CALIFORNIA HEALTH | LOS ANGELES, Los Angeles, CA | Pass | Local |
| 2019-10-12 | AMRIZE PORTLAND PLANT — high-priority violation on file | FLORENCE 3.8 MI. E OF, Fremont, CO | Pass | State |
| 2019-10-12 | XTO ENERGY INC / CHAMPION COMPRESSOR STATION | MARIETTA, Love, OK | Pass | State |
| 2019-10-11 | HILCORP ENERGY COMPANY | CREOLA, Mobile, AL | Pass | State |
| 2019-10-11 | HILCORP ENERGY COMPANY | CREOLA, Mobile, AL | Pass | State |
| 2019-10-11 | ENABLE MISSISSIPPI RIVER TRANSMISSION, LLC - FOUNTAIN HILL COMPRESSOR STATION | HAMBURG, Ashley, AR | Pass | State |
| 2019-10-11 | DESOTO GATHERING COMPANY, LLC - NEW QUITMAN CPF-1 | QUITMAN, Faulkner, AR | Pass | State |
| 2019-10-11 | CRIMSON RESOURCE MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2019-10-11 | CRIMSON RESOURCE MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | LAND O' LAKES, INC — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2019-10-11 | WILLIAMS FIELD - WILLOW CREEK GAS PLANT — high-priority violation on file | RIO BLANCO 18 MILES W OF, Rio Blanco, CO | Pass | State |
| 2019-10-11 | ESPN, INC. | BRISTOL, Hartford, CT | Pass | State |
| 2019-10-11 | ALLAN MYERS, DELAWARE, INC - GEORGETOWN | GEORGETOWN, Sussex, DE | Pass | State |
| 2019-10-11 | ALLAN MYERS, DELAWARE, INC - GEORGETOWN | GEORGETOWN, Sussex, DE | Pass | State |
| 2019-10-11 | ALLAN MYERS, DELAWARE, INC - GEORGETOWN | GEORGETOWN, Sussex, DE | Fail | State |
| 2019-10-11 | ALLAN MYERS, DELAWARE, INC - GEORGETOWN | GEORGETOWN, Sussex, DE | Pass | State |
| 2019-10-11 | ALLAN MYERS, DELAWARE, INC - GEORGETOWN | GEORGETOWN, Sussex, DE | Pass | State |
| 2019-10-11 | MISSISSIPPI LIME COMPANY | SAINTE GENEVIEVE, Ste. Genevieve, MO | Pending | State |
| 2019-10-11 | WILLISTON BASIN - HATHAWAY STATION | HATHAWAY, Rosebud, MT | Pass | State |
| 2019-10-11 | WILLISTON BASIN - BAKER COMPRESSOR STA | BAKER, Fallon, MT | Pass | State |
| 2019-10-11 | WBI SANDSTONE CREEK COMPRESSOR STATION | BAKER, Fallon, MT | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.