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 |
|---|---|---|---|---|
| 2022-10-15 | ENVIVA, LLC-PASCAGOULA | PASCAGOULA, Jackson, MS | Pass | State |
| 2022-10-15 | ENVIVA, LLC-PASCAGOULA | PASCAGOULA, Jackson, MS | Pass | State |
| 2022-10-15 | ENVIVA, LLC-PASCAGOULA | PASCAGOULA, Jackson, MS | Pass | State |
| 2022-10-15 | AMRIZE CEMENT INC. - HOLLY HILL PLANT | HOLLY HILL, Orangeburg, SC | Pass | State |
| 2022-10-14 | KRONOSPAN USA — high-priority violation on file | EASTABOGA, Calhoun, AL | Pass | State |
| 2022-10-14 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2022-10-14 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2022-10-14 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2022-10-14 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2022-10-14 | CONSTELLIUM — high-priority violation on file | MUSCLE SHOALS, Colbert, AL | Pass | State |
| 2022-10-14 | W&T OFFSHORE, INC. | MOBILE BAY, Mobile, AL | Pass | State |
| 2022-10-14 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2022-10-14 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2022-10-14 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2022-10-14 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2022-10-14 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2022-10-14 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2022-10-14 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2022-10-14 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2022-10-14 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2022-10-14 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2022-10-14 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2022-10-14 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2022-10-14 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2022-10-14 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2022-10-14 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2022-10-14 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2022-10-14 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2022-10-14 | HIGHWAY 59 LANDFILL — high-priority violation on file | MERCED, Merced, CA | Pass | Local |
| 2022-10-14 | WES DJ GATHERING - FREDERICK CS — high-priority violation on file | DACONO AREA, Weld, CO | Pass | State |
| 2022-10-14 | MIAMI-DADE WATER AND SEWER DEPARTMENT | MIAMI, Miami-Dade, FL | Pass | State |
| 2022-10-14 | DUKE ENERGY FLORIDA, LLC | INTERCESSION CITY, Osceola, FL | Pass | State |
| 2022-10-14 | DUKE ENERGY FLORIDA, LLC | INTERCESSION CITY, Osceola, FL | Pass | State |
| 2022-10-14 | DUKE ENERGY FLORIDA, LLC | INTERCESSION CITY, Osceola, FL | Pass | State |
| 2022-10-14 | MEDLINE INDUSTRIES INC NORTHPOINT SERVICES DIV | WAUKEGAN, Lake, IL | Pass | State |
| 2022-10-14 | NORTH VERNON INDUSTRY CORPORATION | NORTH VERNON, Jennings, IN | Pass | State |
| 2022-10-14 | NORTH VERNON INDUSTRY CORPORATION | NORTH VERNON, Jennings, IN | Pass | State |
| 2022-10-14 | WM TECHNOLOGIES LLC — high-priority violation on file | MICHIGAN CITY, LaPorte, IN | Pass | State |
| 2022-10-14 | WM TECHNOLOGIES LLC — high-priority violation on file | MICHIGAN CITY, LaPorte, IN | Pass | State |
| 2022-10-14 | WM TECHNOLOGIES LLC — high-priority violation on file | MICHIGAN CITY, LaPorte, IN | Pass | State |
| 2022-10-14 | WARRICK NEWCO LLC — high-priority violation on file | NEWBURGH, Warrick, IN | Pass | State |
| 2022-10-14 | VENTURE GLOBAL CALCASIEU PASS LLC - CALCASIEU PASS LNG PROJECT | CAMERON, Cameron, LA | Pass | State |
| 2022-10-14 | VENTURE GLOBAL CALCASIEU PASS LLC - CALCASIEU PASS LNG PROJECT | CAMERON, Cameron, LA | Pass | State |
| 2022-10-14 | BACKYARD FARMS, LLC | MADISON, Somerset, ME | Pass | State |
| 2022-10-14 | LIBERTY AGGREGATES, LLC (PORT-0878) | PORTABLE, Undetermined, MO | Pass | State |
| 2022-10-14 | LIBERTY AGGREGATES, LLC (PORT-0878) | PORTABLE, Undetermined, MO | Pass | State |
| 2022-10-14 | LIBERTY AGGREGATES, LLC (PORT-0878) | PORTABLE, Undetermined, MO | Pass | State |
| 2022-10-14 | LIBERTY AGGREGATES, LLC (PORT-0878) | PORTABLE, Undetermined, MO | Pass | State |
| 2022-10-14 | LIBERTY AGGREGATES, LLC (PORT-0878) | PORTABLE, Undetermined, MO | Pass | State |
| 2022-10-14 | LIBERTY AGGREGATES, LLC (PORT-0878) | PORTABLE, Undetermined, MO | Pass | State |
| 2022-10-14 | LIBERTY AGGREGATES, LLC (PORT-0878) | PORTABLE, Undetermined, MO | Pass | State |
| 2022-10-14 | LIBERTY AGGREGATES, LLC (PORT-0878) | PORTABLE, Undetermined, MO | Pass | State |
| 2022-10-14 | NPPD SHELDON STATION | HALLAM, Lancaster, NE | Pass | Local |
| 2022-10-14 | SOMERSET RARITAN VALLEY SEWER AUTH STP | BRIDGEWATER, TOWNSHIP OF, Somerset, NJ | Pass | State |
| 2022-10-14 | THE OLEN CORPORATION PLANT 2 | FREDERICKTOWN, Knox, OH | Pass | State |
| 2022-10-14 | BLUE RACER MIDSTREAM LLC - NOBLE CO FIELD STATION #2 | SUMMERFIELD, Noble, OH | Pass | State |
| 2022-10-14 | BLUE RACER MIDSTREAM LLC - NOBLE CO FIELD STATION #2 | SUMMERFIELD, Noble, OH | Pass | State |
| 2022-10-14 | BLUE RACER MIDSTREAM LLC - NOBLE CO FIELD STATION #2 | SUMMERFIELD, Noble, OH | Pass | State |
| 2022-10-14 | FW MIDCON I LLC / CONNIE FIU 1608 2H 15X CONNIE FED 1608 | KINGFISHER, Kingfisher, OK | Pass | State |
| 2022-10-14 | FW MIDCON I LLC / KNAUSS 1507 2H 3H 4H 1X REHERMAN 1607 | KINGFISHER, Kingfisher, OK | Pass | State |
| 2022-10-14 | USS/CLAIRTON WORKS — high-priority violation on file | CLAIRTON, Allegheny, PA | Pass | Local |
| 2022-10-14 | MARTIN MARIETTA MATERIALS INC GEORGETOWN II QUARRY | JAMESTOWN, Berkeley, SC | Pass | State |
| 2022-10-14 | AMAZON DATA SERVICES, INC. IAD-12 IAD-15 IAD-16 IAD-76 IAD-230 | STERLING, Loudoun, VA | Pass | State |
| 2022-10-14 | POST POINT WWTP SEWAGE SLUDGE INCINERATOR — high-priority violation on file | WHATCOM COUNTY, Whatcom, WA | Pass | Local |
| 2022-10-14 | WISCONSIN ALUMINUM FOUNDRY — high-priority violation on file | MANITOWOC, Manitowoc, WI | Pass | State |
| 2022-10-13 | COTTONWOOD WASH COMPRESSOR STATION | VERNAL, Uintah, UT | Pass | U.S. EPA |
| 2022-10-13 | COTTONWOOD WASH COMPRESSOR STATION | VERNAL, Uintah, UT | Pass | U.S. EPA |
| 2022-10-13 | WESTROCK MILL COMPANY LLC | DEMOPOLIS, Marengo, AL | Pass | State |
| 2022-10-13 | DESOTO GATHERING COMPANY, LLC - PHILLIPS MOUNTAIN CPF-1 | CLEVELAND, Conway, AR | Pass | State |
| 2022-10-13 | DESOTO GATHERING COMPANY LLC - SOUTH BROWNIE CPF 2 | HATTIEVILLE, Conway, AR | Pass | State |
| 2022-10-13 | DESOTO GATHERING COMPANY, LLC - PHILLIPS MOUNTAIN CPF-2 | CLEVELAND, Conway, AR | Pass | State |
| 2022-10-13 | BIG RIVER STEEL LLC | OSCEOLA, Mississippi, AR | Pass | State |
| 2022-10-13 | BIG RIVER STEEL LLC | OSCEOLA, Mississippi, AR | Pass | State |
| 2022-10-13 | BIG RIVER STEEL LLC | OSCEOLA, Mississippi, AR | Pass | State |
| 2022-10-13 | BIG RIVER STEEL LLC | OSCEOLA, Mississippi, AR | Fail | State |
| 2022-10-13 | BIG RIVER STEEL LLC | OSCEOLA, Mississippi, AR | Pass | State |
| 2022-10-13 | MCGEORGE CONTRACTING CO., INC.- CRANFORD CONSTRUCTION COMPANY - EARNES ROAD | NORTH LITTLE ROCK, Pulaski, AR | Pass | State |
| 2022-10-13 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-10-13 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-10-13 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-10-13 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-10-13 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-10-13 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-10-13 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-10-13 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-10-13 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-10-13 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-10-13 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-10-13 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-10-13 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-10-13 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-10-13 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-10-13 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-10-13 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-10-13 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-10-13 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-10-13 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-10-13 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-10-13 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-10-13 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.