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 |
|---|---|---|---|---|
| 2022-09-30 | HANGING ROCK POWER COMPANY, LLC | IRONTON, Lawrence, OH | Pass | State |
| 2022-09-30 | HANGING ROCK POWER COMPANY, LLC | IRONTON, Lawrence, OH | Pass | State |
| 2022-09-30 | HANGING ROCK POWER COMPANY, LLC | IRONTON, Lawrence, OH | Pass | State |
| 2022-09-30 | HANGING ROCK POWER COMPANY, LLC | IRONTON, Lawrence, OH | Pass | State |
| 2022-09-30 | HANGING ROCK POWER COMPANY, LLC | IRONTON, Lawrence, OH | Pass | State |
| 2022-09-30 | HANGING ROCK POWER COMPANY, LLC | IRONTON, Lawrence, OH | Pass | State |
| 2022-09-30 | HANGING ROCK POWER COMPANY, LLC | IRONTON, Lawrence, OH | Pass | State |
| 2022-09-30 | HANGING ROCK POWER COMPANY, LLC | IRONTON, Lawrence, OH | Pass | State |
| 2022-09-30 | HANGING ROCK POWER COMPANY, LLC | IRONTON, Lawrence, OH | Pass | State |
| 2022-09-30 | HANGING ROCK POWER COMPANY, LLC | IRONTON, Lawrence, OH | Pass | State |
| 2022-09-30 | HANGING ROCK POWER COMPANY, LLC | IRONTON, Lawrence, OH | Pass | State |
| 2022-09-30 | HANGING ROCK POWER COMPANY, LLC | IRONTON, Lawrence, OH | Pass | State |
| 2022-09-30 | HANGING ROCK POWER COMPANY, LLC | IRONTON, Lawrence, OH | Pass | State |
| 2022-09-30 | HANGING ROCK POWER COMPANY, LLC | IRONTON, Lawrence, OH | Pass | State |
| 2022-09-30 | HANGING ROCK POWER COMPANY, LLC | IRONTON, Lawrence, OH | Pass | State |
| 2022-09-30 | HANGING ROCK POWER COMPANY, LLC | IRONTON, Lawrence, OH | Pass | State |
| 2022-09-30 | HOWMET AEROSPACE INC. | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2022-09-30 | HOWMET AEROSPACE INC. | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2022-09-30 | HOWMET AEROSPACE INC. | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2022-09-30 | HOWMET AEROSPACE INC. | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2022-09-30 | HOWMET AEROSPACE INC. | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2022-09-30 | HOWMET AEROSPACE INC. | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2022-09-30 | DCP OPERATING CO LP / CRESCENT STATION | CRESCENT, Kingfisher, OK | Pass | State |
| 2022-09-30 | JOHNSON MATTHEY INC/WEST WHITELAND | WEST CHESTER, Chester, PA | Pass | State |
| 2022-09-30 | WESTROCK TEXAS | EVADALE, Jasper, TX | Pass | State |
| 2022-09-30 | WESTROCK TEXAS | EVADALE, Jasper, TX | Fail | State |
| 2022-09-30 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | BEAUMONT, Jefferson, TX | Pass | State |
| 2022-09-30 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | BEAUMONT, Jefferson, TX | Pass | State |
| 2022-09-30 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | BEAUMONT, Jefferson, TX | Pass | State |
| 2022-09-30 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | BEAUMONT, Jefferson, TX | N/A | State |
| 2022-09-30 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | BEAUMONT, Jefferson, TX | N/A | State |
| 2022-09-30 | EXXONMOBIL BEAUMONT REFINERY — high-priority violation on file | BEAUMONT, Jefferson, TX | N/A | State |
| 2022-09-30 | PORT ARTHUR REFINERY — high-priority violation on file | PORT ARTHUR, Jefferson, TX | Pass | State |
| 2022-09-30 | MOTIVA ENTERPRISES PORT ARTHUR CHEMICALS — high-priority violation on file | PORT ARTHUR, Jefferson, TX | Pass | State |
| 2022-09-30 | MOTIVA ENTERPRISES PORT ARTHUR CHEMICALS — high-priority violation on file | PORT ARTHUR, Jefferson, TX | Pass | State |
| 2022-09-30 | NORTHWEST PIPELINE LLC- MOUNT VERNON | MOUNT VERNON, Skagit, WA | Pass | Local |
| 2022-09-30 | GREEN RIVER WORKS (TATA CHEMICALS (SODA ASH) PARTNERS) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2022-09-29 | WESTROCK COMPANY, LLC | STEVENSON, Jackson, AL | Pass | State |
| 2022-09-29 | WESTROCK COMPANY, LLC | STEVENSON, Jackson, AL | Pass | State |
| 2022-09-29 | LEHIGH CEMENT COMPANY | LEEDS, Jefferson, AL | Pass | Local |
| 2022-09-29 | DESOTO GATHERING COMPANY, LLC - NEW QUITMAN CPF-3 | QUITMAN, Cleburne, AR | Pass | State |
| 2022-09-29 | BAGDAD MINE | BAGDAD, Yavapai, AZ | Pass | State |
| 2022-09-29 | EL CAJON ENERGY CENTER | EL CAJON, San Diego, CA | Pending | Local |
| 2022-09-29 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-09-29 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-09-29 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-09-29 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-09-29 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-09-29 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-09-29 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-09-29 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-09-29 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-09-29 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-09-29 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-09-29 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-09-29 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-09-29 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Pass | Local |
| 2022-09-29 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Pass | Local |
| 2022-09-29 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Pass | Local |
| 2022-09-29 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Pass | Local |
| 2022-09-29 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Pass | Local |
| 2022-09-29 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Pass | Local |
| 2022-09-29 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Pass | Local |
| 2022-09-29 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Pass | Local |
| 2022-09-29 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Pass | Local |
| 2022-09-29 | CHEVRON USA PRODUCTS INC | TRACY, San Joaquin, CA | Pass | Local |
| 2022-09-29 | DCP OPERATING CO - LUCERNE 2 GAS PLANT — high-priority violation on file | GREELEY AREA, Weld, CO | Pass | State |
| 2022-09-29 | DCP OPERATING CO - TROUDT C.S. | GREELEY, Weld, CO | Pass | State |
| 2022-09-29 | AMERESCO DELAWARE ENERGY LLC - CENTRAL | SANDTOWN, Kent, DE | Pass | State |
| 2022-09-29 | AMERESCO DELAWARE ENERGY LLC - CENTRAL | SANDTOWN, Kent, DE | Pass | State |
| 2022-09-29 | AMERESCO DELAWARE ENERGY LLC - CENTRAL | SANDTOWN, Kent, DE | Pass | State |
| 2022-09-29 | AMERESCO DELAWARE ENERGY LLC - CENTRAL | SANDTOWN, Kent, DE | Pass | State |
| 2022-09-29 | AMERESCO DELAWARE ENERGY LLC - CENTRAL | SANDTOWN, Kent, DE | Pass | State |
| 2022-09-29 | AMERESCO DELAWARE ENERGY LLC - CENTRAL | SANDTOWN, Kent, DE | Pass | State |
| 2022-09-29 | FLORIDA POWER & LIGHT COMPANY | LYNN HAVEN, Bay, FL | Pass | State |
| 2022-09-29 | FLORIDA POWER & LIGHT COMPANY | LYNN HAVEN, Bay, FL | Pass | State |
| 2022-09-29 | HERAEUS QUARTZ NORTH AMERICA LLC | BUFORD, Gwinnett, GA | Pass | State |
| 2022-09-29 | CLEARWATER PAPER CORPORATION - AUGUSTA MILL — high-priority violation on file | AUGUSTA, Richmond, GA | Pass | State |
| 2022-09-29 | DURACELL MANUFACTURING, INC. | LAGRANGE, Troup, GA | Pass | State |
| 2022-09-29 | DURACELL MANUFACTURING, INC. | LAGRANGE, Troup, GA | Pass | State |
| 2022-09-29 | DURACELL MANUFACTURING, INC. | LAGRANGE, Troup, GA | Pass | State |
| 2022-09-29 | NATIONAL GYPSUM CO-DIV OF GOLD BOND BLDG | FORT DODGE, Webster, IA | Fail | State |
| 2022-09-29 | NATIONAL GYPSUM CO-DIV OF GOLD BOND BLDG | FORT DODGE, Webster, IA | Pass | State |
| 2022-09-29 | MIDAMERICAN ENERGY CO PLEASANT HILL GDMEC | PLEASANT HILL, Polk, IA | Pass | Local |
| 2022-09-29 | MIDAMERICAN ENERGY CO PLEASANT HILL GDMEC | PLEASANT HILL, Polk, IA | Pass | Local |
| 2022-09-29 | STERICYCLE INC | CLINTON, De Witt, IL | Pass | State |
| 2022-09-29 | E & B PAVING INC | NOBLESVILLE, Hamilton, IN | Pass | State |
| 2022-09-29 | E & B PAVING INC | NOBLESVILLE, Hamilton, IN | Pass | State |
| 2022-09-29 | E & B PAVING INC | NOBLESVILLE, Hamilton, IN | Pass | State |
| 2022-09-29 | E & B PAVING INC | NOBLESVILLE, Hamilton, IN | Pass | State |
| 2022-09-29 | CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT | INDIANAPOLIS, Marion, IN | Pass | State |
| 2022-09-29 | CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT | INDIANAPOLIS, Marion, IN | Pass | State |
| 2022-09-29 | CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT | INDIANAPOLIS, Marion, IN | Pass | State |
| 2022-09-29 | CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT | INDIANAPOLIS, Marion, IN | Pass | State |
| 2022-09-29 | CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT | INDIANAPOLIS, Marion, IN | Pass | State |
| 2022-09-29 | CWA AUTHORITY INC BELMONT ADV WASTEWATER TREATMENT PLANT | INDIANAPOLIS, Marion, IN | Pass | State |
| 2022-09-29 | COMMONWEALTH ROLLED PRODUCTS INC | LEWISPORT, Hancock, KY | Pass | State |
| 2022-09-29 | TENNESSEE VALLEY AUTHORITY (TVA) - SHAWNEE FOSSIL PLANT | WEST PADUCAH, McCracken, KY | Pass | State |
| 2022-09-29 | TENNESSEE VALLEY AUTHORITY (TVA) - SHAWNEE FOSSIL PLANT | WEST PADUCAH, McCracken, KY | Pass | State |
| 2022-09-29 | ROBBINS LUMBER, INC. | SEARSMONT, Waldo, ME | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.