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 |
|---|---|---|---|---|
| 2022-09-16 | CAMPOS BROTHERS | CARUTHERS, Fresno, CA | Pass | Local |
| 2022-09-16 | SAN JOAQUIN REFINING CO — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-09-16 | SAN JOAQUIN REFINING CO — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-09-16 | SAN JOAQUIN REFINING CO — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-09-16 | NYDIG DFM - SURPRISE S4 FACILITY | WALDEN AREA, Jackson, CO | Pass | State |
| 2022-09-16 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Fail | State |
| 2022-09-16 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2022-09-16 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Fail | State |
| 2022-09-16 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2022-09-16 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2022-09-16 | SEAPORT CANAVERAL CORP. | CAPE CANAVERAL, Brevard, FL | Pass | State |
| 2022-09-16 | REPUBLIC CONDUIT, INC. | CEDAR SPRINGS, Early, GA | Pass | State |
| 2022-09-16 | KEOKUK MILLS, LLC DBA KEOKUK STEEL CASTINGS, INC. | KEOKUK, Lee, IA | Pass | State |
| 2022-09-16 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-16 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-16 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-16 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-16 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-16 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Fail | State |
| 2022-09-16 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-16 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-16 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-16 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-16 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-16 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-16 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-16 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-16 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2022-09-16 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2022-09-16 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2022-09-16 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2022-09-16 | NLMK INDIANA — high-priority violation on file | PORTAGE, Porter, IN | Pass | State |
| 2022-09-16 | FORD MOTOR COMPANY KENTUCKY TRUCK PLANT | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2022-09-16 | FLATWATER ENERGY LLC - HOFFMAN HEIRS #1 - SARDINE POINT FIELD | BATON ROUGE, East Baton Rouge, LA | Pass | State |
| 2022-09-16 | WATERS TECHNOLOGY CORPORATION | TAUNTON, TOWN OF, Bristol, MA | Pass | State |
| 2022-09-16 | MCCAIN FOODS USA, INC. | EASTON, Aroostook, ME | Pass | State |
| 2022-09-16 | MILESTONE MATERIALS - NONMETALLIC | ONALASKA, Undetermined, WI | Pass | State |
| 2022-09-16 | RAY-CARROLL COUNTY GRAIN GROWERS INC. | HARDIN, Ray, MO | Pass | State |
| 2022-09-16 | FARMERS GRAIN TERMINAL INC, GREENWOOD FACILITY | GREENWOOD, Leflore, MS | Pass | State |
| 2022-09-16 | FARMERS GRAIN TERMINAL INC, GREENWOOD FACILITY | GREENWOOD, Leflore, MS | Pass | State |
| 2022-09-16 | RAVENSWOOD GENERATING STATION | QUEENS, Queens, NY | Pass | State |
| 2022-09-16 | CARGILL, INCORPORATED - SALT DIVISION | AKRON, Summit, OH | Pass | State |
| 2022-09-16 | DIVERSIFIED PRODUCTION LLC / TOAD 1606 2LOH 14 3LOH 14 | KINGFISHER, Kingfisher, OK | Pass | State |
| 2022-09-16 | KIMBERLY CLARK CORP/CHESTER OPR | CHESTER, Delaware, PA | Pass | State |
| 2022-09-16 | ANR PIPELINE COMPANY | COTTAGE GROVE, Henry, TN | Pass | State |
| 2022-09-16 | ARDAGH GLASS INC. | SEATTLE, King, WA | Pass | Local |
| 2022-09-16 | NEIL SIMPSON COMPLEX (BLACK HILLS CORPORATION) | GILLETTE, Campbell, WY | Pass | State |
| 2022-09-15 | CARMEUSE LIME & STONE INC | SAGINAW, Shelby, AL | Pass | State |
| 2022-09-15 | LHOIST NORTH AMERICA OF ALABAMA, LLC | CALERA, Shelby, AL | Pass | State |
| 2022-09-15 | LHOIST NORTH AMERICA OF ALABAMA, LLC | CALERA, Shelby, AL | Pass | State |
| 2022-09-15 | PARAGOULD CITY LIGHT & WATER | PARAGOULD, Greene, AR | Pass | State |
| 2022-09-15 | PARAGOULD CITY LIGHT & WATER | PARAGOULD, Greene, AR | Fail | State |
| 2022-09-15 | PARAGOULD CITY LIGHT & WATER | PARAGOULD, Greene, AR | Pass | State |
| 2022-09-15 | CAMP VERDE HMA PLANT | PHOENIX, Maricopa, AZ | Pass | State |
| 2022-09-15 | HUMBOLDT SAWMILL COMPANY — high-priority violation on file | SCOTIA, Humboldt, CA | Fail | Local |
| 2022-09-15 | HUMBOLDT SAWMILL COMPANY — high-priority violation on file | SCOTIA, Humboldt, CA | Pass | Local |
| 2022-09-15 | CHEVRON PRODUCTS CO — high-priority violation on file | EL SEGUNDO, Los Angeles, CA | Pass | Local |
| 2022-09-15 | TRANSCONTINENTAL ONTARIO INC | ONTARIO, Los Angeles, CA | Pass | Local |
| 2022-09-15 | TRANSCONTINENTAL ONTARIO INC | ONTARIO, Los Angeles, CA | Pass | Local |
| 2022-09-15 | CHEVRON USA INC | COALINGA, Fresno, CA | Pass | Local |
| 2022-09-15 | CHEVRON USA INC | COALINGA, Fresno, CA | Pass | Local |
| 2022-09-15 | GALASSO MATERIALS, LLC | EAST GRANBY, Hartford, CT | Pass | State |
| 2022-09-15 | LANGBOARD - WILLACOOCHEE — high-priority violation on file | WILLACOOCHEE, Atkinson, GA | Pass | State |
| 2022-09-15 | RAYONIER PERFORMANCE FIBERS, LLC | JESUP, Wayne, GA | Pass | State |
| 2022-09-15 | HELCO - OULI | SOUTH KOHALA, Hawaii, HI | Pass | State |
| 2022-09-15 | LSCP LP DBA LITTLE SIOUX CORN PROCESSORS — high-priority violation on file | MARCUS, Cherokee, IA | Pass | State |
| 2022-09-15 | LSCP LP DBA LITTLE SIOUX CORN PROCESSORS — high-priority violation on file | MARCUS, Cherokee, IA | Pass | State |
| 2022-09-15 | LSCP LP DBA LITTLE SIOUX CORN PROCESSORS — high-priority violation on file | MARCUS, Cherokee, IA | Pass | State |
| 2022-09-15 | LSCP LP DBA LITTLE SIOUX CORN PROCESSORS — high-priority violation on file | MARCUS, Cherokee, IA | Pass | State |
| 2022-09-15 | LSCP LP DBA LITTLE SIOUX CORN PROCESSORS — high-priority violation on file | MARCUS, Cherokee, IA | Pass | State |
| 2022-09-15 | LSCP LP DBA LITTLE SIOUX CORN PROCESSORS — high-priority violation on file | MARCUS, Cherokee, IA | Pass | State |
| 2022-09-15 | CLOW VALVE COMPANY | OSKALOOSA, Mahaska, IA | Pass | State |
| 2022-09-15 | PELLA CORP-PELLA DIV | PELLA, Marion, IA | Pass | State |
| 2022-09-15 | LUTHERAN GENERAL HOSPITAL | PARK RIDGE, Cook, IL | Pass | State |
| 2022-09-15 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-15 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-15 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-15 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-15 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-15 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-15 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-15 | DAVE OMARA CONTRACTOR INCORPORATED | GREENSBURG, Decatur, IN | Pass | State |
| 2022-09-15 | DAVE OMARA CONTRACTOR INCORPORATED | GREENSBURG, Decatur, IN | Pass | State |
| 2022-09-15 | DAVE OMARA CONTRACTOR INCORPORATED | GREENSBURG, Decatur, IN | Pass | State |
| 2022-09-15 | DAVE OMARA CONTRACTOR INCORPORATED | GREENSBURG, Decatur, IN | Pass | State |
| 2022-09-15 | SOUTHERN NATURAL GAS CO - FRANKLINTON COMPRESSOR STATION | FRANKLINTON, Washington, LA | Pass | State |
| 2022-09-15 | ND OTM LLC | OLD TOWN, Penobscot, ME | Pass | State |
| 2022-09-15 | PIONEER METAL FINISHING - STEPHENS ROAD | WARREN, Macomb, MI | Fail | State |
| 2022-09-15 | MET COUNCIL - SENECA WWTP | EAGAN, Dakota, MN | Pass | State |
| 2022-09-15 | THOMAS HILL ENERGY CENTER - POWER DIVISION | CLIFTON HILL, Randolph, MO | Pass | State |
| 2022-09-15 | FARMERS GRAIN TERMINAL INC, GREENWOOD FACILITY | GREENWOOD, Leflore, MS | Pass | State |
| 2022-09-15 | FARMERS GRAIN TERMINAL INC, GREENWOOD FACILITY | GREENWOOD, Leflore, MS | Pass | State |
| 2022-09-15 | PAR MONTANA BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Pass | State |
| 2022-09-15 | PSNC DBA ENBRIDGE GAS - KINGS MOUNTAIN COMPRESSOR STATION | KINGS MOUNTAIN, Cleveland, NC | Pass | State |
| 2022-09-15 | C & H NORRIS CONSTRUCTION COMPANY, INC. | TABOR CITY, Columbus, NC | Pending | State |
| 2022-09-15 | GREENAMERICA BIOFUELS ORD LLC | ORD, Valley, NE | N/A | State |
| 2022-09-15 | NE RENEWABLE POWER SPRINGFIELD | SPRINGFIELD, Sullivan, NH | Pass | State |
| 2022-09-15 | NE RENEWABLE POWER SPRINGFIELD | SPRINGFIELD, Sullivan, NH | Pass | State |
| 2022-09-15 | EAGLE COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2022-09-15 | AVALON COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.