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 |
|---|---|---|---|---|
| 2023-08-08 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2023-08-08 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2023-08-08 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2023-08-08 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2023-08-08 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2023-08-08 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2023-08-08 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2023-08-08 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2023-08-08 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2023-08-08 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2023-08-08 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2023-08-08 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2023-08-08 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2023-08-08 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2023-08-08 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2023-08-08 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2023-08-08 | NORTHERN CALIFORNIA POWER | LODI, San Joaquin, CA | Pass | Local |
| 2023-08-08 | NRO - AEROSPACE DATA FACIITY (ADF-C) | AURORA, Arapahoe, CO | Pass | State |
| 2023-08-08 | PRAIRIE OPERATING - BOOTH 8-7HZ TANK | GREELEY AREA, Weld, CO | Pass | State |
| 2023-08-08 | BRADLEY INTERNATIONAL AIRPORT / AMERESCO SELECT, INC. | WINDSOR LOCKS, Hartford, CT | Pass | State |
| 2023-08-08 | CRODA, INC — high-priority violation on file | NEW CASTLE, New Castle, DE | Pass | State |
| 2023-08-08 | CRODA, INC — high-priority violation on file | NEW CASTLE, New Castle, DE | Pass | State |
| 2023-08-08 | CRODA, INC — high-priority violation on file | NEW CASTLE, New Castle, DE | Pass | State |
| 2023-08-08 | CRODA, INC — high-priority violation on file | NEW CASTLE, New Castle, DE | Pass | State |
| 2023-08-08 | CITY OF GAINESVILLE (GRU) | GAINESVILLE, Alachua, FL | Pass | State |
| 2023-08-08 | CITY OF GAINESVILLE (GRU) | GAINESVILLE, Alachua, FL | Pass | State |
| 2023-08-08 | CMC STEEL US, LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-08-08 | CMC STEEL US, LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-08-08 | CMC STEEL US, LLC | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-08-08 | FLORIDA GAS TRANSMISSION COMPANY, LLC | SALT SPRINGS, Marion, FL | Pass | State |
| 2023-08-08 | FLORIDA GAS TRANSMISSION COMPANY, LLC | SALT SPRINGS, Marion, FL | Pass | State |
| 2023-08-08 | FLORIDA GAS TRANSMISSION COMPANY, LLC | SALT SPRINGS, Marion, FL | Pass | State |
| 2023-08-08 | FLORIDA GAS TRANSMISSION COMPANY, LLC | SALT SPRINGS, Marion, FL | Pass | State |
| 2023-08-08 | WESTROCK CP, LLC | FERNANDINA BEACH, Nassau, FL | Pass | State |
| 2023-08-08 | WESTROCK CP, LLC | FERNANDINA BEACH, Nassau, FL | Pass | State |
| 2023-08-08 | WESTROCK CP, LLC | FERNANDINA BEACH, Nassau, FL | Pass | State |
| 2023-08-08 | WESTROCK CP, LLC | FERNANDINA BEACH, Nassau, FL | Pass | State |
| 2023-08-08 | FLORIDA POWER AND LIGHT COMPANY | LOXAHATCHEE, Palm Beach, FL | Pass | State |
| 2023-08-08 | FLORIDA POWER AND LIGHT COMPANY | LOXAHATCHEE, Palm Beach, FL | Pass | State |
| 2023-08-08 | MOSAIC FERTILIZER, LLC — high-priority violation on file | BARTOW, Polk, FL | Pass | State |
| 2023-08-08 | MOSAIC FERTILIZER, LLC — high-priority violation on file | BARTOW, Polk, FL | Pass | State |
| 2023-08-08 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2023-08-08 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2023-08-08 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2023-08-08 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2023-08-08 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2023-08-08 | INTERNATIONAL PAPER - FLINT RIVER MILL | OGLETHORPE, Macon, GA | Pass | State |
| 2023-08-08 | INTERNATIONAL PAPER - FLINT RIVER MILL | OGLETHORPE, Macon, GA | Pass | State |
| 2023-08-08 | INTERNATIONAL PAPER - FLINT RIVER MILL | OGLETHORPE, Macon, GA | Pass | State |
| 2023-08-08 | INTERNATIONAL PAPER - FLINT RIVER MILL | OGLETHORPE, Macon, GA | Pass | State |
| 2023-08-08 | INTERNATIONAL PAPER - FLINT RIVER MILL | OGLETHORPE, Macon, GA | Pass | State |
| 2023-08-08 | INTERNATIONAL PAPER - FLINT RIVER MILL | OGLETHORPE, Macon, GA | Pass | State |
| 2023-08-08 | INTERNATIONAL PAPER - FLINT RIVER MILL | OGLETHORPE, Macon, GA | Pass | State |
| 2023-08-08 | INTERNATIONAL PAPER - FLINT RIVER MILL | OGLETHORPE, Macon, GA | Pass | State |
| 2023-08-08 | CRISP COUNTY POWER COMMISSION | WARWICK, Worth, GA | Pass | State |
| 2023-08-08 | J R SIMPLOT COMPANY-DON SIDING POCATELLO — high-priority violation on file | POCATELLO, Power, ID | Pass | State |
| 2023-08-08 | ALLIED WASTE SERVICES - BENSON VALLEY LANDFILL | FRANKFORT, Franklin, KY | Pass | State |
| 2023-08-08 | REPUBLIC SERVICES OF KY LLC - EPPERSON WASTE DISPOSAL | WILLIAMSTOWN, Grant, KY | Pass | State |
| 2023-08-08 | COMMONWEALTH ROLLED PRODUCTS INC | LEWISPORT, Hancock, KY | Pass | State |
| 2023-08-08 | 3M CYNTHIANA | CYNTHIANA, Harrison, KY | Pass | State |
| 2023-08-08 | LOUISVILLE GAS & ELECTRIC COMPANY, MILL CREEK GENERATING STATION | LOUISVILLE, Jefferson, KY | Pending | Local |
| 2023-08-08 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2023-08-08 | NUCOR STEEL SEDALIA LLC | SEDALIA, Pettis, MO | Pass | State |
| 2023-08-08 | APAC ATLANTIC INC. DBA APAC ASHEVILLE - DILLSBORO FACILITY | DILLSBORO, Jackson, NC | Pass | State |
| 2023-08-08 | GILKEY LUMBER COMPANY, INC. | RUTHERFORDTON, Rutherford, NC | Pass | State |
| 2023-08-08 | MARTIN MARIETTA MATERIALS, INC. - BAKERS QUARRY | MONROE, Union, NC | Pass | State |
| 2023-08-08 | KAAPA ETHANOL LLC | MINDEN, Kearney, NE | N/A | State |
| 2023-08-08 | TIGER 14 FACILITY — high-priority violation on file | MALAGA, Eddy, NM | Pass | State |
| 2023-08-08 | WILDCAT COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2023-08-08 | WILDCAT COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2023-08-08 | WILDCAT COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2023-08-08 | WILDCAT COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2023-08-08 | THISTLE COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2023-08-08 | THISTLE COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2023-08-08 | BLUE DIAMOND HILL GYPSUM — high-priority violation on file | BLUE DIAMOND, Clark, NV | Fail | Local |
| 2023-08-08 | NORLITE LLC | COHOES, Albany, NY | Pass | State |
| 2023-08-08 | HONDA DEV & MFG OF AMERICA, LLC, MARYSVILLE AUTO PLANT — high-priority violation on file | MARYSVILLE, Union, OH | Pass | State |
| 2023-08-08 | HONDA DEV & MFG OF AMERICA, LLC, MARYSVILLE AUTO PLANT — high-priority violation on file | MARYSVILLE, Union, OH | Pass | State |
| 2023-08-08 | HILCORP ENERGY - FAIRFIELD-NOLKER PRODUCTION FACILITY | LEETONIA, Columbiana, OH | Pass | State |
| 2023-08-08 | HILCORP ENERGY - FAIRFIELD-NOLKER PRODUCTION FACILITY | LEETONIA, Columbiana, OH | Pass | State |
| 2023-08-08 | HILCORP ENERGY - FAIRFIELD-NOLKER PRODUCTION FACILITY | LEETONIA, Columbiana, OH | Pass | State |
| 2023-08-08 | ASCENT RESOURCES - UTICA LLC - LEE CLR BL WELLPAD | BRIDGEPORT, Belmont, OH | Pass | State |
| 2023-08-08 | ASCENT RESOURCES - UTICA LLC - LEE CLR BL WELLPAD | BRIDGEPORT, Belmont, OH | Pass | State |
| 2023-08-08 | ASCENT RESOURCES - UTICA LLC - LEE CLR BL WELLPAD | BRIDGEPORT, Belmont, OH | Pass | State |
| 2023-08-08 | ASCENT RESOURCES - UTICA LLC - CROWIE RCH BL | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-08-08 | ASCENT RESOURCES - UTICA LLC - CROWIE RCH BL | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-08-08 | ASCENT RESOURCES - UTICA LLC - CROWIE RCH BL | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2023-08-08 | FAIRBORN CEMENT COMPANY LLC | XENIA, Greene, OH | Pass | State |
| 2023-08-08 | UNIVERSITY OF CINCINNATI | CINCINNATI, Hamilton, OH | Pass | State |
| 2023-08-08 | UNIVERSITY OF CINCINNATI | CINCINNATI, Hamilton, OH | Pass | State |
| 2023-08-08 | UNIVERSITY OF CINCINNATI | CINCINNATI, Hamilton, OH | Pass | State |
| 2023-08-08 | KENMORE ASPHALT PRODUCTS, INC. - PLANT 1 | AKRON, Summit, OH | Pass | State |
| 2023-08-08 | MARKWEST OKLAHOMA GAS CO LLC / LOYAL COMPRESSOR STATION | LOYAL, Kingfisher, OK | Pass | State |
| 2023-08-08 | MARKWEST OKLAHOMA GAS CO LLC / LOYAL COMPRESSOR STATION | LOYAL, Kingfisher, OK | Pass | State |
| 2023-08-08 | MARKWEST OKLAHOMA GAS CO LLC / LOYAL COMPRESSOR STATION | LOYAL, Kingfisher, OK | Pass | State |
| 2023-08-08 | BCE MACH III LLC / ASH 1705 4A 19MH PAD | DOVER, Kingfisher, OK | Pass | State |
| 2023-08-08 | BCE MACH III LLC / BUNKER BUSTER 1606 1 13MH PAD | KINGFISHER, Kingfisher, OK | Pass | State |
| 2023-08-08 | MAGNESITA REFRACTORIES/YORK — high-priority violation on file | YORK, York, PA | Pass | State |
| 2023-08-08 | WHEELABRATOR FALLS INC/FALLS TWP — high-priority violation on file | MORRISVILLE, Bucks, PA | Pass | State |
| 2023-08-08 | YORK BLDG PROD CO INC/THOMASVILLE | THOMASVILLE, York, PA | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.