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 |
|---|---|---|---|---|
| 2023-11-07 | LEAF RIVER CELLULOSE LLC — high-priority violation on file | NEW AUGUSTA, Perry, MS | Pass | State |
| 2023-11-07 | LEAF RIVER CELLULOSE LLC — high-priority violation on file | NEW AUGUSTA, Perry, MS | Pass | State |
| 2023-11-07 | LEAF RIVER CELLULOSE LLC — high-priority violation on file | NEW AUGUSTA, Perry, MS | Pass | State |
| 2023-11-07 | LEAF RIVER CELLULOSE LLC — high-priority violation on file | NEW AUGUSTA, Perry, MS | Pass | State |
| 2023-11-07 | OIL DRI PRODUCTION COMPANY | RIPLEY, Tippah, MS | Pass | State |
| 2023-11-07 | OIL DRI PRODUCTION COMPANY | RIPLEY, Tippah, MS | Pass | State |
| 2023-11-07 | NORTHERN BORDER PIPELINE COMPANY - ZEELAND COMPRESSOR STATION - AQ | ZEELAND, McIntosh, ND | Pass | State |
| 2023-11-07 | HESS NORTH DAKOTA PIPELINES LLC - HAWKEYE GAS FACILITY - AQ | CHARLSON, McKenzie, ND | Pass | State |
| 2023-11-07 | WBI ENERGY TRANSMISSION, INC. - GLEN ULLIN COMPRESSOR STATION - AQ | GLEN ULLIN, Morton, ND | Pass | State |
| 2023-11-07 | POET BIOREFINING-FAIRMONT LLC — high-priority violation on file | FAIRMONT, Fillmore, NE | N/A | State |
| 2023-11-07 | WILBER MUNICIPAL POWER PLANT — high-priority violation on file | WILBER, Saline, NE | N/A | State |
| 2023-11-07 | BENEVENTO BITUMINOUS PRODUCTS, LLC | KINGSTON, Rockingham, NH | Pass | State |
| 2023-11-07 | BITTER LAKE COMPRESSOR STATION | ROSWELL, Chaves, NM | Pass | State |
| 2023-11-07 | BITTER LAKE COMPRESSOR STATION | ROSWELL, Chaves, NM | Pass | State |
| 2023-11-07 | WILLOW LAKE GAS PROCESSING PLANT | MALAGA, Eddy, NM | Pass | State |
| 2023-11-07 | WILLOW LAKE GAS PROCESSING PLANT | MALAGA, Eddy, NM | Pass | State |
| 2023-11-07 | SPARTAN COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2023-11-07 | SPARTAN COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2023-11-07 | DR. SCRIVNER FACILITY | MALAGA, Eddy, NM | Pass | State |
| 2023-11-07 | LONGWOOD - STATELINE COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2023-11-07 | LONGWOOD - STATELINE COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2023-11-07 | PICANTE COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2023-11-07 | PICANTE COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2023-11-07 | GOLD QUARRY OPERATIONS — high-priority violation on file | CARLIN, Eureka, NV | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | AMSTED RAIL - COLUMBUS PLANT | GROVEPORT, Franklin, OH | Pass | State |
| 2023-11-07 | REMURIATE DELTA, LLC | DELTA, Fulton, OH | Pass | State |
| 2023-11-07 | ASCENT RESOURCES - UTICA LLC - ELITE MTP JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2023-11-07 | ASCENT RESOURCES - UTICA LLC - ELITE MTP JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2023-11-07 | ASCENT RESOURCES - UTICA LLC - ELITE MTP JF | DILLONVALE, Jefferson, OH | Pass | State |
| 2023-11-07 | ASCENT RESOURCES - UTICA LLC - KRINKE MTP JF | MOUNT PLEASANT, Jefferson, OH | Pass | State |
| 2023-11-07 | ASCENT RESOURCES - UTICA LLC - KRINKE MTP JF | MOUNT PLEASANT, Jefferson, OH | Pass | State |
| 2023-11-07 | ASCENT RESOURCES - UTICA LLC - KRINKE MTP JF | MOUNT PLEASANT, Jefferson, OH | Pass | State |
| 2023-11-07 | HOLLIDAY PAD 952538 | CLARINGTON, Monroe, OH | Pass | State |
| 2023-11-07 | HOLLIDAY PAD 952538 | CLARINGTON, Monroe, OH | Pass | State |
| 2023-11-07 | HOLLIDAY PAD 952538 | CLARINGTON, Monroe, OH | Pass | State |
| 2023-11-07 | ROTH PAD 952790 | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-11-07 | ROTH PAD 952790 | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-11-07 | ROTH PAD 952790 | WOODSFIELD, Monroe, OH | Pass | State |
| 2023-11-07 | MARKWEST OKLAHOMA GAS CO LLC / OKARCHE COMPRESSOR STATION | OKARCHE, Canadian, OK | Pass | State |
| 2023-11-07 | PEOPLES ELECTRIC COOP / CENTRAHOMA — high-priority violation on file | CENTRAHOMA, Coal, OK | Pass | State |
| 2023-11-07 | PEOPLES ELECTRIC COOP / CENTRAHOMA — high-priority violation on file | CENTRAHOMA, Coal, OK | Pass | State |
| 2023-11-07 | LOPAREX/MALVERN | MALVERN, Chester, PA | Pass | State |
| 2023-11-07 | COMM REFUSE SVC INC/CUMBERLAND CNTY LDFL | SHIPPENSBURG, Cumberland, PA | Pass | State |
| 2023-11-07 | EQM GATHERING OPCO LLC/TERRA COMP STA | PLUM CREEK, Armstrong, PA | Pass | State |
| 2023-11-07 | WILLIAMS FIELD SVC CO LLC/JONES COMP STA | FRIENDSVILLE, Susquehanna, PA | Pass | State |
| 2023-11-07 | WILLIAMS FIELD SVC CO LLC/JONES COMP STA | FRIENDSVILLE, Susquehanna, PA | Pass | State |
| 2023-11-07 | SWN PROD CO LLC/GAYLORD 3H | SUSQUEHANNA, Susquehanna, PA | Pass | State |
| 2023-11-07 | TORAY PLASTICS (AMERICA), INC. | NORTH KINGSTOWN, Washington, RI | Pass | State |
| 2023-11-07 | SANTEE COOPER CROSS GENERATING STATION — high-priority violation on file | PINEVILLE, Berkeley, SC | Pass | State |
| 2023-11-07 | DORCHESTER BIOMASS LLC | HARLEYVILLE, Dorchester, SC | Pass | State |
| 2023-11-07 | TENNESSEE OPERATIONS OF EASTMAN CHEMICAL COMPANY — high-priority violation on file | KINGSPORT, Sullivan, TN | Pass | State |
| 2023-11-07 | TRIDENT GAS PLANT | MIDLAND, Glasscock, TX | Pass | State |
| 2023-11-07 | TRIDENT GAS PLANT | MIDLAND, Glasscock, TX | Pass | State |
| 2023-11-07 | TRIDENT GAS PLANT | MIDLAND, Glasscock, TX | Pass | State |
| 2023-11-07 | TRIDENT GAS PLANT | MIDLAND, Glasscock, TX | Pass | State |
| 2023-11-07 | SOLVAY SPECIALTY POLYMERS USA — high-priority violation on file | BORGER, Hutchinson, TX | Fail | State |
| 2023-11-07 | SOLVAY SPECIALTY POLYMERS USA — high-priority violation on file | BORGER, Hutchinson, TX | Pass | State |
| 2023-11-07 | OUTBACK COMPRESSOR STATION | STANTON, Martin, TX | Pass | State |
| 2023-11-07 | OUTBACK COMPRESSOR STATION | STANTON, Martin, TX | Pass | State |
| 2023-11-07 | MIDDLE PENINSULA LANDFILL AND RECYCLING FACILITY | GLENNS, Gloucester, VA | Pass | State |
| 2023-11-07 | COLUMBIA GAS TRANSMISSION, LLC, LOST RIVER | MATHIAS, Hardy, WV | Pass | State |
| 2023-11-07 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-11-07 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-11-07 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-11-07 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2023-11-07 | HF SINCLAIR PARCO REFINING LLC — high-priority violation on file | SINCLAIR, Carbon, WY | Pass | State |
| 2023-11-06 | SANDERS LEAD CO | TROY, Pike, AL | Pass | State |
| 2023-11-06 | ET GATHERING & PROCESSING LLC. - BOONEVILLE COMPRESSOR STATION | BOONEVILLE, Logan, AR | Pass | State |
| 2023-11-06 | ET GATHERING & PROCESSING LLC. - MAGAZINE COMPRESSOR STATION | BOONEVILLE, Logan, AR | Pass | State |
| 2023-11-06 | DESOTO GATHERING COMPANY, LLC - COVE CREEK CPF-4 | DAMASCUS, Van Buren, AR | Pass | State |
| 2023-11-06 | DESOTO GATHERING COMPANY, LLC - COVE CREEK CPF-4 | DAMASCUS, Van Buren, AR | Pass | State |
| 2023-11-06 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | Pass | State |
| 2023-11-06 | DELAWARE CITY REFINING CO-DELAWARE CITY — high-priority violation on file | DELAWARE CITY, New Castle, DE | N/A | State |
| 2023-11-06 | OLEANDER POWER PROJECT, LP | COCOA, Brevard, FL | Pass | State |
| 2023-11-06 | OLEANDER POWER PROJECT, LP | COCOA, Brevard, FL | Pass | State |
| 2023-11-06 | EMORY UNIVERSITY | ATLANTA, DeKalb, GA | Pass | State |
| 2023-11-06 | HOMELAND ENERGY SOLUTIONS LLC — high-priority violation on file | LAWLER, Chickasaw, IA | Pass | State |
| 2023-11-06 | GREDE LLC — high-priority violation on file | NEW CASTLE, Henry, IN | Pass | State |
| 2023-11-06 | HARSHMAN CONSTRUCTION - FALL RIVER (AIR) | FALL RIVER, Greenwood, KS | Pass | State |
| 2023-11-06 | ADVANCED DISPOSAL SERVICES BLUE RIDGE LANDFILL INC | IRVINE, Estill, KY | Pass | State |
| 2023-11-06 | SPRING RIDGE SOUTH CENTRAL FACILITY | KEATCHIE, De Soto, LA | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.