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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register and stack tests recorded in 2022. The page lists 29,136 stack tests recorded nationwide in 2022.