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 |
|---|---|---|---|---|
| 2022-12-20 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-12-20 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-12-20 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-12-20 | MONTVILLE POWER LLC | CONNECTICUT, Undetermined, CT | Pass | State |
| 2022-12-20 | MONTVILLE POWER LLC | CONNECTICUT, Undetermined, CT | Pass | State |
| 2022-12-20 | NEW HOPE POWER COMPANY | SOUTH BAY, Palm Beach, FL | Pass | State |
| 2022-12-20 | NEW HOPE POWER COMPANY | SOUTH BAY, Palm Beach, FL | Pass | State |
| 2022-12-20 | FLORIDA MUNICIPAL POWER AGENCY | FORT PIERCE, St. Lucie, FL | Pass | State |
| 2022-12-20 | FLORIDA MUNICIPAL POWER AGENCY | FORT PIERCE, St. Lucie, FL | Pass | State |
| 2022-12-20 | KRATON CHEMICAL, LLC | SAVANNAH, Chatham, GA | Pass | State |
| 2022-12-20 | INTERSTATE PAPER LLC DBA DSSMITH RICEBORO — high-priority violation on file | RICEBORO, Liberty, GA | Pass | State |
| 2022-12-20 | ARGLASS YAMAMURA SE, LLC — high-priority violation on file | VALDOSTA, Lowndes, GA | Pass | State |
| 2022-12-20 | ARGLASS YAMAMURA SE, LLC — high-priority violation on file | VALDOSTA, Lowndes, GA | Pass | State |
| 2022-12-20 | BD COVINGTON | COVINGTON, Newton, GA | Pass | State |
| 2022-12-20 | BD COVINGTON | COVINGTON, Newton, GA | Pass | State |
| 2022-12-20 | INTERFOR U.S. INC. - EATONTON SAWMILL | EATONTON, Putnam, GA | Pass | State |
| 2022-12-20 | INTERFOR U.S. INC. - EATONTON SAWMILL | EATONTON, Putnam, GA | Pass | State |
| 2022-12-20 | INTERFOR U.S. INC. - EATONTON SAWMILL | EATONTON, Putnam, GA | Pass | State |
| 2022-12-20 | INTERFOR U.S. INC. - EATONTON SAWMILL | EATONTON, Putnam, GA | Pass | State |
| 2022-12-20 | VALERO RENEWABLE FUELS CO LLC-ALBERTCITY | ALBERT CITY, Buena Vista, IA | Pass | State |
| 2022-12-20 | GOLDEN GRAIN ENERGY LLC — high-priority violation on file | MASON CITY, Cerro Gordo, IA | Pass | State |
| 2022-12-20 | GOLDEN GRAIN ENERGY LLC — high-priority violation on file | MASON CITY, Cerro Gordo, IA | Pass | State |
| 2022-12-20 | LOUIS DREYFUS COMPANY GRAND JUNCTION, LLC | GRAND JUNCTION, Greene, IA | Pass | State |
| 2022-12-20 | PLCP, L.P. | STEAMBOAT ROCK, Hardin, IA | Fail | State |
| 2022-12-20 | AMES MUNICIPAL UTILITIES & COMBUST TURB | AMES, Story, IA | Pass | State |
| 2022-12-20 | VANTAGE CORN PROCESSORS, LLC | CEDAR RAPIDS, Linn, IA | Pass | Local |
| 2022-12-20 | STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION — high-priority violation on file | BUTLER, DeKalb, IN | Pass | State |
| 2022-12-20 | STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION — high-priority violation on file | BUTLER, DeKalb, IN | Pass | State |
| 2022-12-20 | C & D TECHNOLOGIES INC | ATTICA, Fountain, IN | Pass | State |
| 2022-12-20 | C & D TECHNOLOGIES INC | ATTICA, Fountain, IN | Pass | State |
| 2022-12-20 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2022-12-20 | CLEVELAND-CLIFFS STEEL CORPORATION DEARBORN WORKS | DEARBORN, Wayne, MI | Pass | State |
| 2022-12-20 | UNIVERSITY OF MICHIGAN | ANN ARBOR, Washtenaw, MI | Pass | State |
| 2022-12-20 | DULUTH ENERGY SYSTEMS | DULUTH, St. Louis, MN | Pass | State |
| 2022-12-20 | HIBBING PUBLIC UTILITIES COMMISSION | HIBBING, St. Louis, MN | Pass | State |
| 2022-12-20 | HORNWOOD INC | LILESVILLE, Anson, NC | Pass | State |
| 2022-12-20 | PCS PHOSPHATE COMPANY, INC. - AURORA | AURORA, Beaufort, NC | Pass | State |
| 2022-12-20 | FXI, INC. - HIGH POINT | HIGH POINT, Randolph, NC | Pass | State |
| 2022-12-20 | OPPD CASS COUNTY STATION | PLATTSMOUTH, Cass, NE | N/A | State |
| 2022-12-20 | NPPD SHELDON STATION | HALLAM, Lancaster, NE | Pass | Local |
| 2022-12-20 | JOHNS MANVILLE INTERNATIONAL INC | WINSLOW, TOWNSHIP OF, Camden, NJ | Pass | State |
| 2022-12-20 | EL CAMPEON CTB 17S | JAL, Lea, NM | Pass | State |
| 2022-12-20 | ELYRIA FOUNDRY | ELYRIA, Lorain, OH | Pass | State |
| 2022-12-20 | ELYRIA FOUNDRY | ELYRIA, Lorain, OH | Pass | State |
| 2022-12-20 | ELYRIA FOUNDRY | ELYRIA, Lorain, OH | Pass | State |
| 2022-12-20 | ELYRIA FOUNDRY | ELYRIA, Lorain, OH | Pass | State |
| 2022-12-20 | MARKWEST MORRISTOWN COMPRESSOR STATION | BETHESDA, Belmont, OH | Pass | State |
| 2022-12-20 | MARKWEST MORRISTOWN COMPRESSOR STATION | BETHESDA, Belmont, OH | Pass | State |
| 2022-12-20 | MARKWEST MORRISTOWN COMPRESSOR STATION | BETHESDA, Belmont, OH | Pass | State |
| 2022-12-20 | MARKWEST MORRISTOWN COMPRESSOR STATION | BETHESDA, Belmont, OH | Pass | State |
| 2022-12-20 | MARKWEST MORRISTOWN COMPRESSOR STATION | BETHESDA, Belmont, OH | Pass | State |
| 2022-12-20 | MARKWEST MORRISTOWN COMPRESSOR STATION | BETHESDA, Belmont, OH | Pass | State |
| 2022-12-20 | MIAMI FORT POWER COMPANY LLC | NORTH BEND, Hamilton, OH | Pass | State |
| 2022-12-20 | PPG - TESLIN | BARBERTON, Summit, OH | Pass | State |
| 2022-12-20 | PPG - TESLIN | BARBERTON, Summit, OH | Pass | State |
| 2022-12-20 | ET GATHERING PROCESSING LLC / COTTONWOOD COMPRESSOR STATION | LAMBERT, Alfalfa, OK | Pass | State |
| 2022-12-20 | MARKWEST OKLAHOMA GAS CO LLC / THETA COMPRESSOR STATION | OKARCHE, Canadian, OK | Pass | State |
| 2022-12-20 | MARKWEST OKLAHOMA GAS CO LLC / THETA COMPRESSOR STATION | OKARCHE, Canadian, OK | Pass | State |
| 2022-12-20 | TARGA PIPELINE MIDCONTINENT LLC / MATHEWS COMPRESSOR STATION | WILSON, Carter, OK | Pass | State |
| 2022-12-20 | CONTINENTAL RESOURCES / CANAL 1 19 18XHW | RATLIFF CITY, Carter, OK | Pass | State |
| 2022-12-20 | XTO ENERGY INC / MCKAY 1 22H15 FRED 1 22H27X PRODUCTI | MARIETTA, Love, OK | Pass | State |
| 2022-12-20 | XTO ENERGY INC / RANDY 1 13H11X2 TJ1 13H12 | MARIETTA, Love, OK | Pass | State |
| 2022-12-20 | INTERNATIONAL PAPER | SPRINGFIELD, Lane, OR | Pass | Local |
| 2022-12-20 | BEFESA ZINC US INC./PALMERTON — high-priority violation on file | PALMERTON, Carbon, PA | Pass | State |
| 2022-12-20 | NATL FUEL GAS SUPPLY CORP/ROYSTONE COMP STA | SHEFFIELD, Warren, PA | Pass | State |
| 2022-12-20 | BOEING CO PHILA/RIDLEY PARK PA FAC — high-priority violation on file | RIDLEY TWP, Delaware, PA | Pass | State |
| 2022-12-20 | SWN PROD CO LLC/GAYLORD 3H | SUSQUEHANNA, Susquehanna, PA | Pass | State |
| 2022-12-20 | POET BIOREFINING - GROTON | GROTON, Brown, SD | Pass | State |
| 2022-12-20 | POET BIOREFINING - GROTON | GROTON, Brown, SD | Pass | State |
| 2022-12-20 | ABERDEEN ENERGY, LLC — high-priority violation on file | MINA, Edmunds, SD | Pass | State |
| 2022-12-20 | TENNESSEE VALLEY AUTHORITY - GALLATIN FOSSIL PLANT | GALLATIN, Sumner, TN | Pass | State |
| 2022-12-20 | CARLEX GLASS AMERICA, LLC - NASHVILLE GLASS PLANT | NASHVILLE, Davidson, TN | Pass | Local |
| 2022-12-20 | PORT NECHES OPERATIONS — high-priority violation on file | PORT NECHES, Jefferson, TX | Pass | State |
| 2022-12-20 | PORT ARTHUR REFINERY — high-priority violation on file | PORT ARTHUR, Jefferson, TX | Pass | State |
| 2022-12-20 | PORT ARTHUR REFINERY — high-priority violation on file | PORT ARTHUR, Jefferson, TX | N/A | State |
| 2022-12-20 | CLEBURNE PLANT | CLEBURNE, Johnson, TX | N/A | State |
| 2022-12-20 | CLEBURNE PLANT | CLEBURNE, Johnson, TX | N/A | State |
| 2022-12-20 | CLEBURNE PLANT | CLEBURNE, Johnson, TX | N/A | State |
| 2022-12-20 | CLEBURNE PLANT | CLEBURNE, Johnson, TX | N/A | State |
| 2022-12-20 | CLEBURNE PLANT | CLEBURNE, Johnson, TX | N/A | State |
| 2022-12-20 | PORT TOWNSEND PAPER CORPORATION — high-priority violation on file | PORT TOWNSEND, Jefferson, WA | Pass | State |
| 2022-12-20 | PORT TOWNSEND PAPER CORPORATION — high-priority violation on file | PORT TOWNSEND, Jefferson, WA | Pass | State |
| 2022-12-20 | MULTICARE GOOD SAMARITAN HOSPITAL | PUYALLUP, Pierce, WA | Pass | Local |
| 2022-12-20 | MULTICARE GOOD SAMARITAN HOSPITAL | PUYALLUP, Pierce, WA | Pass | Local |
| 2022-12-20 | MULTICARE GOOD SAMARITAN HOSPITAL | PUYALLUP, Pierce, WA | Pass | Local |
| 2022-12-20 | MULTICARE GOOD SAMARITAN HOSPITAL | PUYALLUP, Pierce, WA | Pass | Local |
| 2022-12-20 | MULTICARE GOOD SAMARITAN HOSPITAL | PUYALLUP, Pierce, WA | Pass | Local |
| 2022-12-20 | LANXESS CORPORATION — high-priority violation on file | KALAMA, Cowlitz, WA | Pass | Local |
| 2022-12-20 | WVA MANUFACTURING, LLC, ALLOY — high-priority violation on file | ALLOY, Fayette, WV | Pass | State |
| 2022-12-20 | DOUGLAS GAS PLANT (TALLGRASS MIDSTREAM) | DOUGLAS, Converse, WY | Pass | State |
| 2022-12-19 | MMGK ARKOMA, LLC. - WARE CP | GREENWOOD, Sebastian, AR | Pass | State |
| 2022-12-19 | RAZORBACK GATHERING COMPANY, LLC. - JUDSONIA CPF 1 | JUDSONIA, White, AR | Pass | State |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
| 2022-12-19 | GUARDIAN INDUSTRIES CORP | KINGSBURG, Fresno, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.