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 |
|---|---|---|---|---|
| 2022-12-31 | PAR - REFINERY — high-priority violation on file | KAPOLEI, Honolulu, HI | Pass | State |
| 2022-12-30 | ALABAMA POWER COMPANY | WILSONVILLE, Shelby, AL | Pass | State |
| 2022-12-30 | CHEVRON PRODUCTS CO — high-priority violation on file | EL SEGUNDO, Los Angeles, CA | Pass | Local |
| 2022-12-30 | NORTHERN INDIANA PUBLIC SERVICE COMPANY LLC MICHIGAN CITY GE — high-priority violation on file | MICHIGAN CITY, LaPorte, IN | Pass | State |
| 2022-12-30 | NORTHERN INDIANA PUBLIC SERVICE COMPANY LLC MICHIGAN CITY GE — high-priority violation on file | MICHIGAN CITY, LaPorte, IN | Pass | State |
| 2022-12-30 | FPL ENERGY WYMAN LLC | YARMOUTH, Cumberland, ME | Pass | State |
| 2022-12-30 | NE RENEWABLE POWER SPRINGFIELD | SPRINGFIELD, Sullivan, NH | Pass | State |
| 2022-12-30 | GREAT HORNED OWLS LLC / RUDY PAD | MULHALL, Lincoln, OK | Pass | State |
| 2022-12-30 | GRAYMONT (WI) LLC — high-priority violation on file | SUPERIOR, Douglas, WI | Fail | State |
| 2022-12-29 | ALABAMA POWER COMPANY | WILSONVILLE, Shelby, AL | Pass | State |
| 2022-12-29 | PASADENA CITY, DWP (EIS USE) | PASADENA, Los Angeles, CA | Pass | Local |
| 2022-12-29 | CENTRAL VALLEY MEAT CO | HANFORD, Kings, CA | Fail | Local |
| 2022-12-29 | CENTRAL VALLEY MEAT CO | HANFORD, Kings, CA | Fail | Local |
| 2022-12-29 | CENTRAL VALLEY MEAT CO | HANFORD, Kings, CA | Fail | Local |
| 2022-12-29 | CENTRAL VALLEY MEAT CO | HANFORD, Kings, CA | Fail | Local |
| 2022-12-29 | CENTRAL VALLEY MEAT CO | HANFORD, Kings, CA | Fail | Local |
| 2022-12-29 | CENTRAL VALLEY MEAT CO | HANFORD, Kings, CA | Fail | Local |
| 2022-12-29 | CENTRAL VALLEY MEAT CO | HANFORD, Kings, CA | Fail | Local |
| 2022-12-29 | CENTRAL VALLEY MEAT CO | HANFORD, Kings, CA | Fail | Local |
| 2022-12-29 | FOSTER FOOD PRODUCTS — high-priority violation on file | LIVINGSTON, Merced, CA | Pass | Local |
| 2022-12-29 | FOSTER FOOD PRODUCTS — high-priority violation on file | LIVINGSTON, Merced, CA | Pass | Local |
| 2022-12-29 | HILMAR CHEESE COMPANY — high-priority violation on file | HILMAR, Merced, CA | Pass | Local |
| 2022-12-29 | HILMAR CHEESE COMPANY — high-priority violation on file | HILMAR, Merced, CA | Pass | Local |
| 2022-12-29 | HILMAR CHEESE COMPANY — high-priority violation on file | HILMAR, Merced, CA | Pass | Local |
| 2022-12-29 | TEVA PHARMACEUTICALS | DAVIE, Broward, FL | Pass | State |
| 2022-12-29 | OSCEOLA FARMS | PAHOKEE, Palm Beach, FL | Pass | State |
| 2022-12-29 | OSCEOLA FARMS | PAHOKEE, Palm Beach, FL | Pass | State |
| 2022-12-29 | OSCEOLA FARMS | PAHOKEE, Palm Beach, FL | Pass | State |
| 2022-12-29 | OSCEOLA FARMS | PAHOKEE, Palm Beach, FL | Pass | State |
| 2022-12-29 | OSCEOLA FARMS | PAHOKEE, Palm Beach, FL | Pass | State |
| 2022-12-29 | OSCEOLA FARMS | PAHOKEE, Palm Beach, FL | Pass | State |
| 2022-12-29 | OSCEOLA FARMS | PAHOKEE, Palm Beach, FL | Pass | State |
| 2022-12-29 | OSCEOLA FARMS | PAHOKEE, Palm Beach, FL | Pass | State |
| 2022-12-29 | NATIONAL GYPSUM CO-DIV OF GOLD BOND BLDG | FORT DODGE, Webster, IA | Pass | State |
| 2022-12-29 | GCF US HOLDINGS, LLC - COLUMBUS MILL — high-priority violation on file | COLUMBUS, Lowndes, MS | Pass | State |
| 2022-12-29 | REGENCY MARCELLUS GAS GATHERING LLC/ HIRKEY COMP STA | TUNKHANNOCK, Wyoming, PA | Pass | State |
| 2022-12-29 | COPE STATION | COPE, Orangeburg, SC | Pass | State |
| 2022-12-29 | TENNESSEE VALLEY AUTHORITY - CUMBERLAND FOSSIL PLANT — high-priority violation on file | CUMBERLAND CITY, Stewart, TN | Pass | State |
| 2022-12-29 | DP 6 COMPRESSOR STATION | ROCKSPRINGS, Edwards, TX | Pass | State |
| 2022-12-29 | PACIFICORP LAKESIDE (SUMMIT VINEYARD) | VINEYARD, Utah, UT | Pass | State |
| 2022-12-28 | ALABAMA POWER COMPANY | WILSONVILLE, Shelby, AL | Pass | State |
| 2022-12-28 | CENTRAL VALLEY MEAT CO | HANFORD, Kings, CA | Fail | Local |
| 2022-12-28 | CENTRAL VALLEY MEAT CO | HANFORD, Kings, CA | Fail | Local |
| 2022-12-28 | CENTRAL VALLEY MEAT CO | HANFORD, Kings, CA | Fail | Local |
| 2022-12-28 | CENTRAL VALLEY MEAT CO | HANFORD, Kings, CA | Fail | Local |
| 2022-12-28 | CENTRAL VALLEY MEAT CO | HANFORD, Kings, CA | Pass | Local |
| 2022-12-28 | CENTRAL VALLEY MEAT CO | HANFORD, Kings, CA | Pass | Local |
| 2022-12-28 | CENTRAL VALLEY MEAT CO | HANFORD, Kings, CA | Pass | Local |
| 2022-12-28 | CENTRAL VALLEY MEAT CO | HANFORD, Kings, CA | Pass | Local |
| 2022-12-28 | TEVA PHARMACEUTICALS | DAVIE, Broward, FL | Pass | State |
| 2022-12-28 | CENTRAL MATERIALS COMPANY, INC. | LECANTO, Citrus, FL | Pass | State |
| 2022-12-28 | JAS. W. GLOVER - HILO (0010) | UNKNOWN, Undetermined, HI | Pass | State |
| 2022-12-28 | HARSHMAN CONST (MASTER EQUIP LIST) (AIR) | CEDAR POINT, Marion, KS | Pass | State |
| 2022-12-28 | HARSHMAN CONST (MASTER EQUIP LIST) (AIR) | CEDAR POINT, Marion, KS | Pass | State |
| 2022-12-28 | BAVARIAN TRUCKING COMPANY INC | WALTON, Boone, KY | Pass | State |
| 2022-12-28 | JAYBIRD & MAIS INC | LAWRENCE, CITY OF, Essex, MA | Pass | State |
| 2022-12-28 | WESTERN SUGAR COOPERATIVE — high-priority violation on file | BILLINGS, Yellowstone, MT | Pass | State |
| 2022-12-28 | AMERICAN CRYSTAL SUGAR COMPANY (ACS) - HILLSBORO PLANT - AQ | HILLSBORO, Traill, ND | Pass | State |
| 2022-12-28 | WEST POINT POWER PLANT | WEST POINT, Cuming, NE | N/A | State |
| 2022-12-28 | RJ BOOSTER STATION | LOCO HILLS, Eddy, NM | Pass | State |
| 2022-12-28 | RJ BOOSTER STATION | LOCO HILLS, Eddy, NM | Pass | State |
| 2022-12-28 | FRAC CAT COMPRESSOR STATION | LOVING, Lea, NM | Pass | State |
| 2022-12-28 | FRAC CAT COMPRESSOR STATION | LOVING, Lea, NM | Pass | State |
| 2022-12-28 | VALIDUS ENERGY II MIDCON LLC / REBA JO 4 13 24XHM 5 13 24XHM | WATONGA, Blaine, OK | Pass | State |
| 2022-12-28 | FORMENTERA OPERATIONS / HIGH ROLLER PAD | YUKON, Canadian, OK | Pass | State |
| 2022-12-28 | FORMENTERA OPERATIONS / HIGH ROLLER PAD | YUKON, Canadian, OK | Pass | State |
| 2022-12-28 | ET GATHERING PROCESSING LLC / SCOUT COMPRESSOR STATION | FREEDOM, Woods, OK | Pass | State |
| 2022-12-28 | MIFFLINBURG AREA SCH DIST/MIFFLINBURG CAMPUS | MIFFLINBURG, Union, PA | Pass | State |
| 2022-12-28 | EXPAND OPERATING LLC/NOWICKI PAD NR25 | SUSQUEHANNA, Susquehanna, PA | Pass | State |
| 2022-12-28 | EXPAND OPERATING LLC/RU-71 BLUE BECK WELLPAD | MILFORD, Susquehanna, PA | Pass | State |
| 2022-12-28 | HUB CITY ENERGY, LLC — high-priority violation on file | ABERDEEN, Brown, SD | Pass | State |
| 2022-12-28 | ABERDEEN ENERGY, LLC — high-priority violation on file | MINA, Edmunds, SD | Pass | State |
| 2022-12-27 | TEVA PHARMACEUTICALS | DAVIE, Broward, FL | Pass | State |
| 2022-12-27 | MIDAMERICAN ENERGY CO PLEASANT HILL GDMEC | PLEASANT HILL, Polk, IA | Pass | Local |
| 2022-12-27 | MIDAMERICAN ENERGY CO PLEASANT HILL GDMEC | PLEASANT HILL, Polk, IA | Pass | Local |
| 2022-12-27 | DUPONT 95 #1 & 95 #2 TANK BATTERY - ERWINVILLE FIELD | ERWINVILLE, West Baton Rouge, LA | Pass | State |
| 2022-12-27 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2022-12-27 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2022-12-27 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2022-12-27 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2022-12-27 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2022-12-27 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2022-12-27 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2022-12-27 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2022-12-27 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2022-12-27 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2022-12-27 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2022-12-27 | BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2022-12-27 | NORTH PEN COMPRESSOR STATION | ARTESIA, Eddy, NM | Incomplete | State |
| 2022-12-27 | NORTH PEN COMPRESSOR STATION | ARTESIA, Eddy, NM | Incomplete | State |
| 2022-12-27 | NORTH PEN COMPRESSOR STATION | ARTESIA, Eddy, NM | Pass | State |
| 2022-12-27 | NORTH PEN COMPRESSOR STATION | ARTESIA, Eddy, NM | Pass | State |
| 2022-12-27 | LHOIST NORTH AMERICA OF ARIZONA - APEX PLANT — high-priority violation on file | LAS VEGAS, Clark, NV | Pass | Local |
| 2022-12-27 | LHOIST NORTH AMERICA OF ARIZONA - APEX PLANT — high-priority violation on file | LAS VEGAS, Clark, NV | Pass | Local |
| 2022-12-27 | LHOIST NORTH AMERICA OF ARIZONA - APEX PLANT — high-priority violation on file | LAS VEGAS, Clark, NV | Pass | Local |
| 2022-12-27 | ET GATHERING PROCESSING LLC / CARMEN COMPRESSOR STATION | CARMEN, Alfalfa, OK | Pass | State |
| 2022-12-27 | TALL OAK WOODFORD LLC / SOLERA COMPRESSOR FACILITY | MCALESTER, Pittsburg, OK | Pass | State |
| 2022-12-27 | TALL OAK WOODFORD LLC / SOLERA COMPRESSOR FACILITY | MCALESTER, Pittsburg, OK | Pass | State |
| 2022-12-27 | CENTRIO (WESTERN) | SEATTLE, King, WA | Pass | Local |
| 2022-12-27 | JAMES HARDIE BUILDING PRODUCTS INC | TACOMA, Pierce, WA | Pass | Local |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.