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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register and their stack tests in 2023. It lists 26,911 stack tests recorded nationwide in 2023.