EPA Air · stack tests by year
Air-emissions stack tests in 2023
- 26,911Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2023
- California 7,676
- Ohio 2,800
- Florida 1,589
- Indiana 1,487
- Oklahoma 1,420
- New Mexico 1,087
- Georgia 1,057
- Pennsylvania 889
- Alabama 689
- Wyoming 670
- Mississippi 625
- Arkansas 602
- Iowa 453
- Colorado 436
- Texas 395
- Missouri 328
- North Carolina 302
- Washington 283
- Wisconsin 251
- Michigan 229
- Minnesota 228
- Delaware 224
- South Carolina 222
- West Virginia 218
- Kentucky 210
- Tennessee 200
- Utah 196
- Montana 177
- Virginia 170
- North Dakota 157
- Illinois 152
- Nebraska 152
- Alaska 140
- Nevada 127
- New York 123
- Maine 111
- Connecticut 108
- Arizona 102
- Louisiana 77
- Idaho 77
- Hawaii 72
- New Hampshire 58
- New Jersey 56
- South Dakota 54
- Maryland 49
- Kansas 45
- Oregon 44
- District of Columbia 36
- Massachusetts 27
- Rhode Island 20
- Puerto Rico 6
- Vermont 5
Other years
Air-emissions stack tests recorded in 2023
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2023-11-28 | PHILLIPS 66 COMPANY | SACRAMENTO, Sacramento, CA | Pass | Local |
| 2023-11-28 | TESORO REFINING AND MARKETING CO — high-priority violation on file | WILMINGTON, Los Angeles, CA | Pass | Local |
| 2023-11-28 | TESORO REFINING AND MARKETING CO — high-priority violation on file | WILMINGTON, Los Angeles, CA | Pass | Local |
| 2023-11-28 | TESORO REFINING AND MARKETING CO — high-priority violation on file | WILMINGTON, Los Angeles, CA | Pass | Local |
| 2023-11-28 | PLATTE RIVER POWER AUTHORITY - RAWHIDE | WELLINGTON 9.3 MI. N OF, Larimer, CO | Pass | State |
| 2023-11-28 | ALGONQUIN GAS TRANSMISSION, LLC - CROMWELL COMPRESSOR STATION | CROMWELL, Middlesex, CT | Pass | State |
| 2023-11-28 | ALGONQUIN GAS TRANSMISSION, LLC - CROMWELL COMPRESSOR STATION | CROMWELL, Middlesex, CT | Pass | State |
| 2023-11-28 | TRANSMONTAIGNE TERMINALS, LLC | CAPE CANAVERAL, Brevard, FL | Pass | State |
| 2023-11-28 | DUKE ENERGY FLORIDA, LLC | INTERCESSION CITY, Osceola, FL | Pass | State |
| 2023-11-28 | DUKE ENERGY FLORIDA, LLC | INTERCESSION CITY, Osceola, FL | Pass | State |
| 2023-11-28 | SUGAR CANE GROWERS CO-OP | BELLE GLADE, Palm Beach, FL | Pass | State |
| 2023-11-28 | SUGAR CANE GROWERS CO-OP | BELLE GLADE, Palm Beach, FL | Pass | State |
| 2023-11-28 | SUGAR CANE GROWERS CO-OP | BELLE GLADE, Palm Beach, FL | Pass | State |
| 2023-11-28 | SUGAR CANE GROWERS CO-OP | BELLE GLADE, Palm Beach, FL | Pass | State |
| 2023-11-28 | SUGAR CANE GROWERS CO-OP | BELLE GLADE, Palm Beach, FL | Pass | State |
| 2023-11-28 | SUGAR CANE GROWERS CO-OP | BELLE GLADE, Palm Beach, FL | Pass | State |
| 2023-11-28 | SUGAR CANE GROWERS CO-OP | BELLE GLADE, Palm Beach, FL | Pass | State |
| 2023-11-28 | LANGBOARD - WILLACOOCHEE — high-priority violation on file | WILLACOOCHEE, Atkinson, GA | Pass | State |
| 2023-11-28 | GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON | ATLANTA, Cobb, GA | Pass | State |
| 2023-11-28 | GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON | ATLANTA, Cobb, GA | Pass | State |
| 2023-11-28 | GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON | ATLANTA, Cobb, GA | Pass | State |
| 2023-11-28 | GEORGIA POWER CO. - PLANT MCDONOUGH- ATKINSON | ATLANTA, Cobb, GA | Pass | State |
| 2023-11-28 | ACTIVE MINERALS INTERNATIONAL, LLC - ANTIOCH CHURCH ROAD MINE | CLIMAX, Decatur, GA | Pass | State |
| 2023-11-28 | ACTIVE MINERALS INTERNATIONAL, LLC - ANTIOCH CHURCH ROAD MINE | CLIMAX, Decatur, GA | Pass | State |
| 2023-11-28 | ARCH WOOD PROTECTION, INC. — high-priority violation on file | CONLEY, DeKalb, GA | Pass | State |
| 2023-11-28 | GRP FRANKLIN, LLC | CARNESVILLE, Franklin, GA | Pass | State |
| 2023-11-28 | GRP FRANKLIN, LLC | CARNESVILLE, Franklin, GA | Pass | State |
| 2023-11-28 | GRP FRANKLIN, LLC | CARNESVILLE, Franklin, GA | Pass | State |
| 2023-11-28 | GRP FRANKLIN, LLC | CARNESVILLE, Franklin, GA | Pass | State |
| 2023-11-28 | GRP FRANKLIN, LLC | CARNESVILLE, Franklin, GA | Pass | State |
| 2023-11-28 | GRP FRANKLIN, LLC | CARNESVILLE, Franklin, GA | Pass | State |
| 2023-11-28 | VALERO RENEWABLE FUELS CO LLC-ALBERTCITY | ALBERT CITY, Buena Vista, IA | Pass | State |
| 2023-11-28 | CARGILL INC-EDDYVILLE | EDDYVILLE, Monroe, IA | Pass | State |
| 2023-11-28 | WR GRACE | CHICAGO, Cook, IL | Pass | State |
| 2023-11-28 | HOFFER PLASTICS CORP | SOUTH ELGIN, Kane, IL | Pass | State |
| 2023-11-28 | HOFFER PLASTICS CORP | SOUTH ELGIN, Kane, IL | Pass | State |
| 2023-11-28 | HOFFER PLASTICS CORP | SOUTH ELGIN, Kane, IL | Pass | State |
| 2023-11-28 | HOFFER PLASTICS CORP | SOUTH ELGIN, Kane, IL | Pass | State |
| 2023-11-28 | HOFFER PLASTICS CORP | SOUTH ELGIN, Kane, IL | Pass | State |
| 2023-11-28 | HOFFER PLASTICS CORP | SOUTH ELGIN, Kane, IL | Pass | State |
| 2023-11-28 | HOFFER PLASTICS CORP | SOUTH ELGIN, Kane, IL | Pass | State |
| 2023-11-28 | HOFFER PLASTICS CORP | SOUTH ELGIN, Kane, IL | Pass | State |
| 2023-11-28 | HOFFER PLASTICS CORP | SOUTH ELGIN, Kane, IL | Pass | State |
| 2023-11-28 | GRAIN PROCESSING CORPORATION — high-priority violation on file | WASHINGTON, Daviess, IN | Pass | State |
| 2023-11-28 | TENNESSEE VALLEY AUTHORITY (TVA) - SHAWNEE FOSSIL PLANT | WEST PADUCAH, McCracken, KY | Pass | State |
| 2023-11-28 | TENNESSEE VALLEY AUTHORITY (TVA) - SHAWNEE FOSSIL PLANT | WEST PADUCAH, McCracken, KY | Pass | State |
| 2023-11-28 | KY UTILITIES CO - BROWN STATION | HARRODSBURG, Mercer, KY | Pass | State |
| 2023-11-28 | TOYOTA MOTOR MANUFACTURING, KENTUCKY | GEORGETOWN (SCOTT), Scott, KY | Pending | State |
| 2023-11-28 | LOUISVILLE MEDICAL CENTER STEAM PLANT | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2023-11-28 | LOUISVILLE MEDICAL CENTER STEAM PLANT | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2023-11-28 | SEMASS PARTNERSHIP | ROCHESTER, Plymouth, MA | Pass | State |
| 2023-11-28 | MILLERSVILLE LANDFILL | SEVERN, Anne Arundel, MD | Pass | State |
| 2023-11-28 | ST MARYS CEMENT U.S. LLC, CHARLEVOIX PLANT | CHARLEVOIX, Charlevoix, MI | Pass | State |
| 2023-11-28 | WEYERHAEUSER NR COMPANY | GRAYLING, Crawford, MI | Pass | State |
| 2023-11-28 | CABOT CORPORATION | MIDLAND, Midland, MI | Pending | State |
| 2023-11-28 | SAPPI CLOQUET LLC | CLOQUET, Carlton, MN | Pass | State |
| 2023-11-28 | POET BIOREFINING - BINGHAM LAKE | BINGHAM LAKE, Cottonwood, MN | Pass | State |
| 2023-11-28 | CAMBRIA CO | LE SUEUR, Le Sueur, MN | Pass | State |
| 2023-11-28 | MET COUNCIL METROPOLITAN WATER RESOURCE RECOVERY FACILITY | SAINT PAUL, Ramsey, MN | Pass | State |
| 2023-11-28 | OTTER LAKE TECHNOLOGIES | WHITE BEAR TOWNSHIP, Ramsey, MN | Pass | State |
| 2023-11-28 | US SILICA | FESTUS, Jefferson, MO | Pending | State |
| 2023-11-28 | ROCKY MOUNTAIN POWER | HARDIN, Big Horn, MT | Pass | State |
| 2023-11-28 | WILLISTON BASIN - CABIN CREEK | BAKER, Fallon, MT | Pass | State |
| 2023-11-28 | CHARLOTTE PIPE AND FOUNDRY COMPANY | OAKBORO, Stanly, NC | Pass | State |
| 2023-11-28 | ONONDAGA CO RESOURCE RECOVERY FACILITY | ONONDAGA, Onondaga, NY | Pass | State |
| 2023-11-28 | RED-ROCHESTER LLC AT EASTMAN BUSINESS PARK | GREECE, ROCHESTER, Monroe, NY | Pass | State |
| 2023-11-28 | EOG RESOURCES, INC. - BAUER 14-14-6 PAD | CARROLLTON, Carroll, OH | Pass | State |
| 2023-11-28 | EOG RESOURCES, INC. - BAUER 14-14-6 PAD | CARROLLTON, Carroll, OH | Pass | State |
| 2023-11-28 | EOG RESOURCES, INC. - BAUER 14-14-6 PAD | CARROLLTON, Carroll, OH | Pass | State |
| 2023-11-28 | CROWN BATTERY MANUFACTURING CO | FREMONT, Sandusky, OH | Pass | State |
| 2023-11-28 | EOG RESOURCES, INC. - KRAMER 1-13-7 PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-11-28 | EOG RESOURCES, INC. - KRAMER 1-13-7 PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-11-28 | EOG RESOURCES, INC. - KRAMER 1-13-7 PAD | CADIZ, Harrison, OH | Pass | State |
| 2023-11-28 | CLEAN HARBORS ENVIRONMENTAL SERVICES, INC. — high-priority violation on file | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2023-11-28 | CLEAN HARBORS ENVIRONMENTAL SERVICES, INC. — high-priority violation on file | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2023-11-28 | ET GATHERING PROCESSING LLC / BURLINGTON COMPRESSOR STATION | BURLINGTON, Alfalfa, OK | Pass | State |
| 2023-11-28 | ET GATHERING PROCESSING LLC / BOBCAT COMPRESSOR STATION | HYDRO, Blaine, OK | Pass | State |
| 2023-11-28 | ET GATHERING PROCESSING LLC / NINNEKAH COMPRESSOR STATION | NINNEKAH, Grady, OK | Pass | State |
| 2023-11-28 | ENERFIN GATHERING EAST LLC / SEMINOLE COMPRESSOR STATION | SEMINOLE, Seminole, OK | Pass | State |
| 2023-11-28 | DCP OPERATING CO LP / THUNDER COMPRESSOR STATION | BRAY, Stephens, OK | Pass | State |
| 2023-11-28 | EQUITRANS LP/RAGER MTN LAUREL RIDGE STA — high-priority violation on file | JOHNSTOWN, Cambria, PA | Fail | State |
| 2023-11-28 | TEXAS EASTERN TRANS LP/PERULACK STA | EAST WATERFORD, Juniata, PA | Pass | State |
| 2023-11-28 | NEPA ENERGY LP/NORTHEAST STEAM PLT | NORTH EAST, Erie, PA | Pass | State |
| 2023-11-28 | EASTERN GAS TRANS & STORAGE/CHAMBERSBURG COMP STA | CHAMBERSBURG, Franklin, PA | Pass | State |
| 2023-11-28 | WILLIAMS FIELD SVC CO LLC/LATHROP COMP STA | SPRINGVILLE, Susquehanna, PA | Pass | State |
| 2023-11-28 | EXPAND OPERATING LLC/CANNELLA SUS PAD | MONTROSE, Susquehanna, PA | Pass | State |
| 2023-11-28 | NAVY YARD PEAKER STATION — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2023-11-28 | NAVY YARD PEAKER STATION — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2023-11-28 | NAVY YARD PEAKER STATION — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2023-11-28 | NAVY YARD PEAKER STATION — high-priority violation on file | PHILADELPHIA, Philadelphia, PA | Pass | Local |
| 2023-11-28 | BASF CORPORATION SENECA SITE | SENECA, Oconee, SC | Pass | State |
| 2023-11-28 | TENNESSEE OPERATIONS OF EASTMAN CHEMICAL COMPANY — high-priority violation on file | KINGSPORT, Sullivan, TN | Pass | State |
| 2023-11-28 | PACIFICORP HUNTER | UTAH, Undetermined, UT | Pass | State |
| 2023-11-28 | PACIFICORP HUNTER | UTAH, Undetermined, UT | Pass | State |
| 2023-11-28 | PACIFICORP HUNTER | UTAH, Undetermined, UT | Pass | State |
| 2023-11-28 | U.S. MAGNESIUM L.L.C/MAGCORP — high-priority violation on file | ROWLEY, Tooele, UT | Pass | State |
| 2023-11-28 | GREEN BAY METRO SEWERAGE DIST | GREEN BAY, Brown, WI | Pass | State |
| 2023-11-28 | GREEN BAY PACKAGING INC - GB MILL DIV | GREEN BAY, Brown, WI | Pass | State |
| 2023-11-28 | GRAYMONT (WI) LLC — high-priority violation on file | SUPERIOR, Douglas, WI | Pass | State |
| 2023-11-28 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | SUPERIOR, Douglas, WI | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.