EPA Air · stack tests by year
Air-emissions stack tests in 2020
- 33,437Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2020
- California 15,352
- Ohio 2,194
- Florida 1,532
- Oklahoma 1,517
- Indiana 1,473
- Georgia 1,147
- New Mexico 846
- Pennsylvania 725
- Alabama 674
- Texas 617
- Missouri 607
- Arkansas 589
- Mississippi 438
- Colorado 429
- Washington 407
- Iowa 355
- North Carolina 274
- Wyoming 235
- Wisconsin 229
- Michigan 222
- South Carolina 221
- Montana 217
- Minnesota 213
- Delaware 211
- Kentucky 184
- West Virginia 175
- Utah 158
- Tennessee 149
- Kansas 144
- Nebraska 142
- Alaska 141
- Maine 136
- Nevada 134
- Virginia 132
- Illinois 129
- North Dakota 129
- New Jersey 122
- Connecticut 110
- Arizona 97
- New York 93
- Hawaii 84
- Louisiana 83
- Idaho 81
- New Hampshire 72
- Maryland 46
- South Dakota 46
- Oregon 39
- Rhode Island 30
- District of Columbia 30
- Vermont 17
- Massachusetts 7
- Puerto Rico 3
Other years
Air-emissions stack tests recorded in 2020
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2020-11-03 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-03 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-03 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-11-03 | NRO - AEROSPACE DATA FACIITY (ADF-C) | AURORA, Arapahoe, CO | Pass | State |
| 2020-11-03 | AMRIZE PORTLAND PLANT — high-priority violation on file | FLORENCE 3.8 MI. E OF, Fremont, CO | Pass | State |
| 2020-11-03 | GRAND RIVER GATHERING - PUMBA CS | RIFLE 3.4 MI. S OF, Garfield, CO | Pass | State |
| 2020-11-03 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2020-11-03 | ALGONQUIN GAS TRANSMISSION LLC - OXFORD COMPRESSOR STATION | OXFORD, New Haven, CT | Pass | State |
| 2020-11-03 | ALGONQUIN GAS TRANSMISSION LLC - OXFORD COMPRESSOR STATION | OXFORD, New Haven, CT | Pass | State |
| 2020-11-03 | ASCEND PERFORMANCE MATERIALS OPERATIONS — high-priority violation on file | CANTONMENT, Escambia, FL | Pass | State |
| 2020-11-03 | ASCEND PERFORMANCE MATERIALS OPERATIONS — high-priority violation on file | CANTONMENT, Escambia, FL | Pass | State |
| 2020-11-03 | ASCEND PERFORMANCE MATERIALS OPERATIONS — high-priority violation on file | CANTONMENT, Escambia, FL | Pass | State |
| 2020-11-03 | ASCEND PERFORMANCE MATERIALS OPERATIONS — high-priority violation on file | CANTONMENT, Escambia, FL | Pass | State |
| 2020-11-03 | FLORIDA POWER & LIGHT | FORT MYERS, Lee, FL | Pass | State |
| 2020-11-03 | FLORIDA POWER & LIGHT | FORT MYERS, Lee, FL | Pass | State |
| 2020-11-03 | DOUGLAS PELLETS, LLC | PEARSON, Atkinson, GA | Pass | State |
| 2020-11-03 | DOUGLAS PELLETS, LLC | PEARSON, Atkinson, GA | Pass | State |
| 2020-11-03 | IRVING CONSUMER PRODUCTS, INC. - MACON | MACON, Bibb, GA | Pass | State |
| 2020-11-03 | IRVING CONSUMER PRODUCTS, INC. - MACON | MACON, Bibb, GA | Pass | State |
| 2020-11-03 | KRATON CHEMICAL, LLC | SAVANNAH, Chatham, GA | Pass | State |
| 2020-11-03 | ACE POLE ACQUISITION, LLC | BLACKSHEAR, Pierce, GA | Pass | State |
| 2020-11-03 | ADM CLINTON BIOPROCESSING - CLINTON — high-priority violation on file | CLINTON, Clinton, IA | Pass | State |
| 2020-11-03 | DUKE ENERGY INDIANA LLC EDWARDSPORT GENERATING STATION | EDWARDSPORT, Knox, IN | Pass | State |
| 2020-11-03 | VALERO RENEWABLE FUELS COMPANY LLC DBA VALERO BLUFFTON PLANT | BLUFFTON, Wells, IN | Pass | State |
| 2020-11-03 | VALERO RENEWABLE FUELS COMPANY LLC DBA VALERO BLUFFTON PLANT | BLUFFTON, Wells, IN | Pass | State |
| 2020-11-03 | VALERO RENEWABLE FUELS COMPANY LLC DBA VALERO BLUFFTON PLANT | BLUFFTON, Wells, IN | Pass | State |
| 2020-11-03 | VALERO RENEWABLE FUELS COMPANY LLC DBA VALERO BLUFFTON PLANT | BLUFFTON, Wells, IN | Pass | State |
| 2020-11-03 | VALERO RENEWABLE FUELS COMPANY LLC DBA VALERO BLUFFTON PLANT | BLUFFTON, Wells, IN | Pass | State |
| 2020-11-03 | VALERO RENEWABLE FUELS COMPANY LLC DBA VALERO BLUFFTON PLANT | BLUFFTON, Wells, IN | Pass | State |
| 2020-11-03 | VALERO RENEWABLE FUELS COMPANY LLC DBA VALERO BLUFFTON PLANT | BLUFFTON, Wells, IN | Pass | State |
| 2020-11-03 | VALERO RENEWABLE FUELS COMPANY LLC DBA VALERO BLUFFTON PLANT | BLUFFTON, Wells, IN | Pass | State |
| 2020-11-03 | VALERO RENEWABLE FUELS COMPANY LLC DBA VALERO BLUFFTON PLANT | BLUFFTON, Wells, IN | Pass | State |
| 2020-11-03 | VALERO RENEWABLE FUELS COMPANY LLC DBA VALERO BLUFFTON PLANT | BLUFFTON, Wells, IN | Pass | State |
| 2020-11-03 | CENTURY ALUMINUM OF KY LLC | HAWESVILLE, Hancock, KY | Pass | State |
| 2020-11-03 | CENTURY ALUMINUM OF KY LLC | HAWESVILLE, Hancock, KY | Pass | State |
| 2020-11-03 | CENTURY ALUMINUM SEBREE LLC | ROBARDS, Henderson, KY | Pass | State |
| 2020-11-03 | LOGAN ALUMINUM INC | RUSSELLVILLE, Logan, KY | Pass | State |
| 2020-11-03 | EAGLE POINT ENERGY CENTER, LLC | ORRINGTON, Penobscot, ME | Pass | State |
| 2020-11-03 | EAGLE ALLOY, INC. | MUSKEGON, Muskegon, MI | Pass | State |
| 2020-11-03 | AMERICAN CRYSTAL SUGAR - MOORHEAD — high-priority violation on file | MOORHEAD, Clay, MN | Pass | State |
| 2020-11-03 | EVERGY-LAKE ROAD GENERATING STATION | SAINT JOSEPH, Buchanan, MO | Pending | State |
| 2020-11-03 | OWENS-CORNING STATELINE | JOPLIN, Jasper, MO | Pending | State |
| 2020-11-03 | 3M NEVADA-COMMERCIAL GRAPHICS | NEVADA, Vernon, MO | Pending | State |
| 2020-11-03 | 3M NEVADA-COMMERCIAL GRAPHICS | NEVADA, Vernon, MO | Pending | State |
| 2020-11-03 | CHEVRON USA INC, CHEVRON PRODUCTS COMPANY, PASCAGOULA REFINERY | PASCAGOULA, Jackson, MS | Pass | State |
| 2020-11-03 | GLOBAL CELLULOSE FIBERS - RIEGELWOOD MILL | RIEGELWOOD, Columbus, NC | Pending | State |
| 2020-11-03 | NORTHERN BORDER PIPELINE COMPANY - ZEELAND COMPRESSOR STATION - AQ | ZEELAND, McIntosh, ND | Pass | State |
| 2020-11-03 | LON D WRIGHT POWER PLANT | FREMONT, Dodge, NE | Pass | State |
| 2020-11-03 | LON D WRIGHT POWER PLANT | FREMONT, Dodge, NE | Pass | State |
| 2020-11-03 | ENTERPRISE - OXY SAND DUNES CENTRAL COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2020-11-03 | ENTERPRISE - OXY SAND DUNES CENTRAL COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2020-11-03 | PLANTVIEW COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2020-11-03 | PLANTVIEW COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2020-11-03 | PLANTVIEW COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2020-11-03 | CEMENT MANUFACTURING PLANT — high-priority violation on file | FERNLEY, Lyon, NV | Pass | State |
| 2020-11-03 | PABCO GYPSUM | LAS VEGAS, Clark, NV | Pass | Local |
| 2020-11-03 | PABCO GYPSUM | LAS VEGAS, Clark, NV | Fail | Local |
| 2020-11-03 | PABCO GYPSUM | LAS VEGAS, Clark, NV | Pass | Local |
| 2020-11-03 | PABCO GYPSUM | LAS VEGAS, Clark, NV | Pass | Local |
| 2020-11-03 | PABCO GYPSUM | LAS VEGAS, Clark, NV | Pass | Local |
| 2020-11-03 | PABCO GYPSUM | LAS VEGAS, Clark, NV | Fail | Local |
| 2020-11-03 | PABCO GYPSUM | LAS VEGAS, Clark, NV | Pass | Local |
| 2020-11-03 | PABCO GYPSUM | LAS VEGAS, Clark, NV | Pass | Local |
| 2020-11-03 | FINCH PAPER LLC | GLENS FALLS, Warren, NY | Pass | State |
| 2020-11-03 | TFO TECH CO LTD | JEFFERSONVILLE, Fayette, OH | Pass | State |
| 2020-11-03 | SOUTHERLY WASTEWATER TREATMENT CENTER | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2020-11-03 | SOUTHERLY WASTEWATER TREATMENT CENTER | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2020-11-03 | SOUTHERLY WASTEWATER TREATMENT CENTER | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2020-11-03 | SOUTHERLY WASTEWATER TREATMENT CENTER | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2020-11-03 | SOUTHERLY WASTEWATER TREATMENT CENTER | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2020-11-03 | SOUTHERLY WASTEWATER TREATMENT CENTER | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2020-11-03 | SOUTHERLY WASTEWATER TREATMENT CENTER | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2020-11-03 | SOUTHERLY WASTEWATER TREATMENT CENTER | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2020-11-03 | SOUTHERLY WASTEWATER TREATMENT CENTER | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2020-11-03 | SOUTHERLY WASTEWATER TREATMENT CENTER | CUYAHOGA HEIGHTS, Cuyahoga, OH | Pass | State |
| 2020-11-03 | ET GATHERING PROCESSING LLC / GREENFIELD COMPRESSOR STATION | GREENFIELD, Blaine, OK | Pass | State |
| 2020-11-03 | ET GATHERING PROCESSING LLC / KION COMPRESSOR STATION | GREENFIELD, Blaine, OK | Pass | State |
| 2020-11-03 | ONEOK FIELD SERVICES CO LLC / MAST EAST FOSS COMPRESSOR STATION | WEATHERFORD, Custer, OK | Pass | State |
| 2020-11-03 | MUSTANG GAS PRODUCTS LLC / FLYNN COMPRESSOR STATION | DOUGLAS, Garfield, OK | Pass | State |
| 2020-11-03 | DEVON ENERGY PRODUCTION CO LP / MCCARTHY 10 3 PAD 2 | OKARCHE, Kingfisher, OK | Pass | State |
| 2020-11-03 | DEVON ENERGY PRODUCTION CO LP / MCCARTHY 10 3 PAD 3 | OKARCHE, Kingfisher, OK | Pass | State |
| 2020-11-03 | ENABLE GAS TRANSMISSION LLC / BYARS LAKE COMPRESSOR STATION | BYARS, McClain, OK | Pass | State |
| 2020-11-03 | ENABLE GAS TRANSMISSION LLC / BYARS LAKE COMPRESSOR STATION | BYARS, McClain, OK | Pass | State |
| 2020-11-03 | TULSA LFG LLC / AMERICAN ENVIRONMENTAL LANDFILL | SAND SPRINGS, Osage, OK | Pass | State |
| 2020-11-03 | ET GATHERING PROCESSING LLC / SCOUT COMPRESSOR STATION | FREEDOM, Woods, OK | Pass | State |
| 2020-11-03 | ET GATHERING PROCESSING LLC / SCOUT COMPRESSOR STATION | FREEDOM, Woods, OK | Pass | State |
| 2020-11-03 | HEIDELBERG MATERIALS US CEMENT LLC/EVANSVILLE CEMENT PLT & Q — high-priority violation on file | FLEETWOOD, Berks, PA | Fail | State |
| 2020-11-03 | WILLIAMS FIELD SVC CO LLC/LATHROP COMP STA | SPRINGVILLE, Susquehanna, PA | Pass | State |
| 2020-11-03 | WILLIAMS FIELD SVC CO LLC/JONES COMP STA | FRIENDSVILLE, Susquehanna, PA | Pass | State |
| 2020-11-03 | NFG MIDSTREAM CLERMONT LLC/CLERMONT EAST COMP STA | WILCOX, McKean, PA | Pass | State |
| 2020-11-03 | EQM GATHERING OPCO LLC/MCINTOSH COMP STA | FINLEYVILLE, Washington, PA | Pass | State |
| 2020-11-03 | HILCORP ENERGY CO/NORTH BEAVER KEPHART PROD FAC | ENON VALLEY, Lawrence, PA | Pass | State |
| 2020-11-03 | WHARF RESOURCES INC - COEUR WHARF | LEAD, Lawrence, SD | Pass | State |
| 2020-11-03 | SIMCOE - SALVADOR I / II CENTRAL DELIVERY POINT | DURANGO, La Plata, CO | Pass | U.S. EPA |
| 2020-11-03 | VALERO PARTNERS MEMPHIS, LLC-MEMPHIS TRUCK RACK | MEMPHIS, Shelby, TN | Pass | Local |
| 2020-11-03 | ASCEND PERFORMANCE MATERIALS CHOCOLATE BAYOU PLANT | ALVIN, Brazoria, TX | Pass | State |
| 2020-11-03 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2020-11-03 | ATMUS FILTRATION INC. - NEILLSVILLE PLANT | NEILLSVILLE, Clark, WI | Pass | State |
| 2020-11-03 | AHLSTROM RHINELANDER LLC | RHINELANDER, Outagamie, WI | Pass | State |
| 2020-11-03 | ARMSTRONG WORLD INDUSTRIES, INC., MILLWOOD | MILLWOOD, Jackson, WV | 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 with stack tests in 2020. It lists 33,437 stack tests recorded nationwide in 2020.