EPA Air · stack tests by year
Air-emissions stack tests in 2018
- 25,145Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2018
- California 7,098
- Ohio 2,476
- Oklahoma 1,684
- Indiana 1,605
- Florida 1,563
- Georgia 1,137
- Pennsylvania 813
- Alabama 645
- Texas 611
- Mississippi 598
- Arkansas 555
- Iowa 464
- Missouri 414
- Washington 394
- Colorado 353
- Wisconsin 280
- Montana 269
- North Carolina 261
- Michigan 259
- Wyoming 253
- South Carolina 252
- Minnesota 218
- Kentucky 200
- Kansas 195
- Delaware 194
- Alaska 178
- Illinois 165
- Nebraska 152
- Utah 137
- West Virginia 137
- Tennessee 129
- North Dakota 117
- Virginia 116
- New York 116
- Connecticut 114
- Nevada 101
- New Jersey 100
- Maine 88
- New Hampshire 83
- Oregon 83
- Idaho 77
- Hawaii 77
- South Dakota 67
- Arizona 61
- Maryland 58
- Louisiana 54
- Massachusetts 41
- District of Columbia 33
- New Mexico 31
- Vermont 20
- Rhode Island 10
- Puerto Rico 9
Other years
Air-emissions stack tests recorded in 2018
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2018-08-21 | HOWMET CASTINGS AND SERVICES INCORPORATED | LA PORTE, LaPorte, IN | Pass | State |
| 2018-08-21 | HOWMET CASTINGS AND SERVICES INCORPORATED | LA PORTE, LaPorte, IN | Pass | State |
| 2018-08-21 | HOWMET CASTINGS AND SERVICES INCORPORATED | LA PORTE, LaPorte, IN | Pass | State |
| 2018-08-21 | HOWMET CASTINGS AND SERVICES INCORPORATED | LA PORTE, LaPorte, IN | Pass | State |
| 2018-08-21 | HOWMET CASTINGS AND SERVICES INCORPORATED | LA PORTE, LaPorte, IN | Pass | State |
| 2018-08-21 | JOHNS MANVILLE INCORPORATED | RICHMOND, Wayne, IN | Pass | State |
| 2018-08-21 | JOHNS MANVILLE INCORPORATED | RICHMOND, Wayne, IN | Pass | State |
| 2018-08-21 | JOHNS MANVILLE INCORPORATED | RICHMOND, Wayne, IN | Pass | State |
| 2018-08-21 | HOLTON MUN. POWER PLANT (AIR) | HOLTON, Jackson, KS | Pass | State |
| 2018-08-21 | SUMMIT SUSTAINABLE INGREDIENTS LLC DBA AMBER WAVE(AIR) | PHILLIPSBURG, Phillips, KS | Pass | State |
| 2018-08-21 | LOGAN ALUMINUM INC | RUSSELLVILLE, Logan, KY | Pass | State |
| 2018-08-21 | DTE GAS COMPANY - BELLE RIVER MILLS COMPRESSOR STATION | CHINA, St. Clair, MI | Pass | State |
| 2018-08-21 | DEARBORN INDUSTRIAL GENERATION | DEARBORN, Wayne, MI | Pending | State |
| 2018-08-21 | BUSHMILLS ETHANOL INC | ATWATER, Kandiyohi, MN | Pass | State |
| 2018-08-21 | CHS HALLOCK | KENNEDY, Kittson, MN | Pass | State |
| 2018-08-21 | MARATHON SAINT PAUL PARK REFINERY | SAINT PAUL PARK, Washington, MN | N/A | State |
| 2018-08-21 | MUD SKYLINE PUMP STATION | ELKHORN, Douglas, NE | N/A | State |
| 2018-08-21 | STEELE CITY COMPRESSOR STATION | ODELL, Gage, NE | Pass | State |
| 2018-08-21 | BRIDGEPORT ETHANOL LLC | BRIDGEPORT, Morrill, NE | Pass | State |
| 2018-08-21 | EMD MILLIPORE CORPORATION | JAFFREY, Cheshire, NH | Pass | State |
| 2018-08-21 | NOVELIS ALR ROLLED PRODUCTS, INC. | ASHVILLE, Pickaway, OH | Pass | State |
| 2018-08-21 | NOVELIS ALR ROLLED PRODUCTS, INC. | ASHVILLE, Pickaway, OH | Pass | State |
| 2018-08-21 | NOVELIS ALR ROLLED PRODUCTS, INC. | ASHVILLE, Pickaway, OH | Pass | State |
| 2018-08-21 | NOVELIS ALR ROLLED PRODUCTS, INC. | ASHVILLE, Pickaway, OH | Pass | State |
| 2018-08-21 | MILEY COMPRESSOR STATION | RIPLEY, TOWNSHIP OF, Holmes, OH | Pass | State |
| 2018-08-21 | MILEY COMPRESSOR STATION | RIPLEY, TOWNSHIP OF, Holmes, OH | Pass | State |
| 2018-08-21 | MILEY COMPRESSOR STATION | RIPLEY, TOWNSHIP OF, Holmes, OH | Pass | State |
| 2018-08-21 | VALLOUREC STAR, LP | YOUNGSTOWN, Mahoning, OH | Pass | State |
| 2018-08-21 | SEAMAN CORPORATION | WOOSTER, Wayne, OH | Pass | State |
| 2018-08-21 | SEAMAN CORPORATION | WOOSTER, Wayne, OH | Pass | State |
| 2018-08-21 | SEAMAN CORPORATION | WOOSTER, Wayne, OH | Pass | State |
| 2018-08-21 | SEAMAN CORPORATION | WOOSTER, Wayne, OH | Pass | State |
| 2018-08-21 | UNBRIDLED RESOURCES LLC / JIMMIE JOYCE CTB PRODUCTION FACILITY | ARNETT, Ellis, OK | Pass | State |
| 2018-08-21 | OG AND E / SOONER GENERATING STATION | RED ROCK, Noble, OK | Pass | State |
| 2018-08-21 | DCP OPERATING CO LP / YELLOW JACKET COMPRESSOR STATION | BRAY, Stephens, OK | Pass | State |
| 2018-08-21 | INTL WAXES INC/FARMERS VALLEY | SMETHPORT, McKean, PA | Pass | State |
| 2018-08-21 | ETC NORTHEAST PIPELINE LLC/BARTO COMP STA | HUGHESVILLE, Lycoming, PA | Pass | State |
| 2018-08-21 | MARKWEST LIBERTY M&R/TUPTA DAY COMP STA | WASHINGTON, Washington, PA | Pass | State |
| 2018-08-21 | VOLVO CAR USA LLC | RIDGEVILLE, Berkeley, SC | Pass | State |
| 2018-08-21 | OAKRIDGE LANDFILL INC | DORCHESTER, Dorchester, SC | Pass | State |
| 2018-08-21 | COPE STATION | COPE, Orangeburg, SC | Pass | State |
| 2018-08-21 | COPE STATION | COPE, Orangeburg, SC | Pass | State |
| 2018-08-21 | OTTER TAIL POWER COMPANY | BIG STONE CITY, Grant, SD | Pending | State |
| 2018-08-21 | OTTER TAIL POWER COMPANY | BIG STONE CITY, Grant, SD | Pass | State |
| 2018-08-21 | WHARF RESOURCES INC - COEUR WHARF | LEAD, Lawrence, SD | Pass | State |
| 2018-08-21 | AMRIZE CEMENT/FORMERLY HOLCIM (US), INC. — high-priority violation on file | MORGAN, Morgan, UT | Pass | State |
| 2018-08-21 | PACKAGING CORPORATION OF AMERICA — high-priority violation on file | WALLULA, Walla Walla, WA | Pass | State |
| 2018-08-21 | CLARK PUBLIC UTILITIES / RIVER ROAD GENERATING PROJECT | VANCOUVER, Clark, WA | Pass | Local |
| 2018-08-21 | XCEL ENERGY BAY FRONT GENERATING STATION | ASHLAND, Ashland, WI | Pass | State |
| 2018-08-21 | GEORGIA PACIFIC BROADWAY LLC | GREEN BAY, Brown, WI | Pass | State |
| 2018-08-20 | DESOTO GATHERING COMPANY, LLC - MIDGE CPF-5 | HEBER SPRINGS, Cleburne, AR | Pass | State |
| 2018-08-20 | DESOTO GATHERING COMPANY, LLC - MIDGE CPF-5 | HEBER SPRINGS, Cleburne, AR | Pass | State |
| 2018-08-20 | DESOTO GATHERING COMPANY, LLC - MIDGE CPF-5 | HEBER SPRINGS, Cleburne, AR | Pass | State |
| 2018-08-20 | ALMATIS, INC. | BENTON, Saline, AR | Pass | State |
| 2018-08-20 | PERFORMANCE COMPOSITES INC | COMPTON, Los Angeles, CA | Pass | Local |
| 2018-08-20 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2018-08-20 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2018-08-20 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2018-08-20 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2018-08-20 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2018-08-20 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2018-08-20 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2018-08-20 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2018-08-20 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2018-08-20 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2018-08-20 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2018-08-20 | WEST KERN WATER DISTRICT | TAFT, Kern, CA | Pass | Local |
| 2018-08-20 | NEENAH FOUNDRY COMPANY | MEDLEY, Miami-Dade, FL | Pass | State |
| 2018-08-20 | NEENAH FOUNDRY COMPANY | MEDLEY, Miami-Dade, FL | Pass | State |
| 2018-08-20 | THE QUIKRETE COMPANIES, LLC | MIAMI, Miami-Dade, FL | Pass | State |
| 2018-08-20 | FLORIDA GAS TRANSMISSION COMPANY, LLC | PLANT CITY, Hillsborough, FL | Pass | State |
| 2018-08-20 | FLORIDA GAS TRANSMISSION COMPANY, LLC | PLANT CITY, Hillsborough, FL | Pass | State |
| 2018-08-20 | FLORIDA GAS TRANSMISSION COMPANY, LLC | PLANT CITY, Hillsborough, FL | Pass | State |
| 2018-08-20 | FLORIDA GAS TRANSMISSION COMPANY, LLC | PLANT CITY, Hillsborough, FL | Pass | State |
| 2018-08-20 | FLORIDA GAS TRANSMISSION COMPANY, LLC | PLANT CITY, Hillsborough, FL | Pass | State |
| 2018-08-20 | FLORIDA GAS TRANSMISSION COMPANY, LLC | PLANT CITY, Hillsborough, FL | Pass | State |
| 2018-08-20 | ADM CLINTON BIOPROCESSING - CLINTON — high-priority violation on file | CLINTON, Clinton, IA | Pass | State |
| 2018-08-20 | CLEVELAND-CLIFFS STEEL CORPORATION DEARBORN WORKS | DEARBORN, Wayne, MI | Pass | State |
| 2018-08-20 | COLSTRIP STEAM ELECTRIC STATION | COLSTRIP, Rosebud, MT | Fail | State |
| 2018-08-20 | COLSTRIP STEAM ELECTRIC STATION | COLSTRIP, Rosebud, MT | Fail | State |
| 2018-08-20 | HILAND PARTNERS HOLDINGS LLC - EDGEWATER COMPRESSOR STATION | WILLISTON, Mountrail, ND | Pass | State |
| 2018-08-20 | OPPD NEBRASKA CITY STATION | NEBRASKA CITY, Otoe, NE | Pass | State |
| 2018-08-20 | OPPD NEBRASKA CITY STATION | NEBRASKA CITY, Otoe, NE | Pass | State |
| 2018-08-20 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2018-08-20 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2018-08-20 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2018-08-20 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2018-08-20 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2018-08-20 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2018-08-20 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2018-08-20 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2018-08-20 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2018-08-20 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2018-08-20 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2018-08-20 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2018-08-20 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2018-08-20 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2018-08-20 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2018-08-20 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
| 2018-08-20 | MARKWEST TRI-COUNTY COMPRESSOR STATION | BARNESVILLE, Belmont, OH | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.