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 |
|---|---|---|---|---|
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | MODESTO IRRIGATION UNIT 1&2 | MODESTO, Stanislaus, CA | Pass | Local |
| 2023-09-19 | FLORIDA POWER & LIGHT COMPANY | LYNN HAVEN, Bay, FL | Pass | State |
| 2023-09-19 | FLORIDA POWER & LIGHT COMPANY | LYNN HAVEN, Bay, FL | Pass | State |
| 2023-09-19 | FLORIDA POWER & LIGHT COMPANY | LYNN HAVEN, Bay, FL | Pass | State |
| 2023-09-19 | GEORGIA-PACIFIC PALATKA LLC — high-priority violation on file | PALATKA, Putnam, FL | Pass | State |
| 2023-09-19 | CERTAINTEED GYPSUM PALATKA, LLC | PALATKA, Putnam, FL | Pass | State |
| 2023-09-19 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2023-09-19 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2023-09-19 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2023-09-19 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2023-09-19 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2023-09-19 | INTERSTATE PAPER LLC DBA DSSMITH RICEBORO — high-priority violation on file | RICEBORO, Liberty, GA | Pass | State |
| 2023-09-19 | PRATT PAPER (GA), LLC — high-priority violation on file | CONYERS, Rockdale, GA | Pass | State |
| 2023-09-19 | PRATT PAPER (GA), LLC — high-priority violation on file | CONYERS, Rockdale, GA | Pass | State |
| 2023-09-19 | GRAETTINGER MUNICIPAL LIGHT PLANT — high-priority violation on file | GRAETTINGER, Palo Alto, IA | Pass | State |
| 2023-09-19 | GRAETTINGER MUNICIPAL LIGHT PLANT — high-priority violation on file | GRAETTINGER, Palo Alto, IA | Pass | State |
| 2023-09-19 | TRANSMONTAIGNE OPERATING COMPANY LP | EVANSVILLE, Vanderburgh, IN | Pass | State |
| 2023-09-19 | POET BIOREFINING NORTH MANCHESTER LLC — high-priority violation on file | NORTH MANCHESTER, Wabash, IN | Pass | State |
| 2023-09-19 | POET BIOREFINING NORTH MANCHESTER LLC — high-priority violation on file | NORTH MANCHESTER, Wabash, IN | Pass | State |
| 2023-09-19 | POET BIOREFINING NORTH MANCHESTER LLC — high-priority violation on file | NORTH MANCHESTER, Wabash, IN | Pass | State |
| 2023-09-19 | POET BIOREFINING NORTH MANCHESTER LLC — high-priority violation on file | NORTH MANCHESTER, Wabash, IN | Pass | State |
| 2023-09-19 | POET BIOREFINING NORTH MANCHESTER LLC — high-priority violation on file | NORTH MANCHESTER, Wabash, IN | Pass | State |
| 2023-09-19 | POET BIOREFINING NORTH MANCHESTER LLC — high-priority violation on file | NORTH MANCHESTER, Wabash, IN | Pass | State |
| 2023-09-19 | POET BIOREFINING NORTH MANCHESTER LLC — high-priority violation on file | NORTH MANCHESTER, Wabash, IN | Pass | State |
| 2023-09-19 | POET BIOREFINING NORTH MANCHESTER LLC — high-priority violation on file | NORTH MANCHESTER, Wabash, IN | Pass | State |
| 2023-09-19 | POET BIOREFINING NORTH MANCHESTER LLC — high-priority violation on file | NORTH MANCHESTER, Wabash, IN | Pass | State |
| 2023-09-19 | POET BIOREFINING NORTH MANCHESTER LLC — high-priority violation on file | NORTH MANCHESTER, Wabash, IN | Pass | State |
| 2023-09-19 | INTERPLASTIC CORPORATION | FORT WRIGHT, Kenton, KY | Pass | State |
| 2023-09-19 | DIVERSIFIED MIDSTREAM LLC - MYRA COMPRESSOR STATION | MYRA, Pike, KY | Pass | State |
| 2023-09-19 | COMMONWEALTH COOPERAGE | MOREHEAD (ROWAN), Rowan, KY | Pass | State |
| 2023-09-19 | ECO MAINE | PORTLAND, Cumberland, ME | Pass | State |
| 2023-09-19 | R. ROLFE CORPORATION | BRIDGTON, Cumberland, ME | Pass | State |
| 2023-09-19 | CLEVELAND-CLIFFS STEEL CORPORATION DEARBORN WORKS | DEARBORN, Wayne, MI | Pass | State |
| 2023-09-19 | GOPHER RESOURCE LLC | EAGAN, Dakota, MN | Pass | State |
| 2023-09-19 | US STEEL CORP - MINNTAC | MOUNTAIN IRON, St. Louis, MN | Pass | State |
| 2023-09-19 | HIBBING PUBLIC UTILITIES COMMISSION | HIBBING, St. Louis, MN | Pass | State |
| 2023-09-19 | KODA ENERGY, LLC — high-priority violation on file | SHAKOPEE, Scott, MN | Pass | State |
| 2023-09-19 | PANHANDLE EASTERN PIPELINE COMPANY | CENTRALIA, Boone, MO | Pass | State |
| 2023-09-19 | OIL DRI PRODUCTION COMPANY | RIPLEY, Tippah, MS | Pass | State |
| 2023-09-19 | OIL DRI PRODUCTION COMPANY | RIPLEY, Tippah, MS | Pass | State |
| 2023-09-19 | OIL DRI PRODUCTION COMPANY | RIPLEY, Tippah, MS | Pass | State |
| 2023-09-19 | OIL DRI PRODUCTION COMPANY | RIPLEY, Tippah, MS | Pass | State |
| 2023-09-19 | CITY OF LAURINBURG - YARD WASTE BURN SITE | LAURINBURG, Scotland, NC | Pending | State |
| 2023-09-19 | BOROS WEST FACILITY — high-priority violation on file | MALAGA, Eddy, NM | Pass | State |
| 2023-09-19 | RICO COMPRESSOR STATION | MALAGA, Lea, NM | Pass | State |
| 2023-09-19 | RICO COMPRESSOR STATION | MALAGA, Lea, NM | Pass | State |
| 2023-09-19 | RICO COMPRESSOR STATION | MALAGA, Lea, NM | Pass | State |
| 2023-09-19 | CERRO COLORADO LANDFILL (FACILITY) | ALBUQUERQUE, Bernalillo, NM | Pass | Local |
| 2023-09-19 | SMOKY VALLEY COMMON OPERATION — high-priority violation on file | ROUND MOUNTAIN, Nye, NV | Pass | State |
| 2023-09-19 | TRACY GENERATING STATION | MCCARRAN, Storey, NV | Pass | State |
| 2023-09-19 | PAN MINE PROJECT | EUREKA, White Pine, NV | Pass | State |
| 2023-09-19 | PAN MINE PROJECT | EUREKA, White Pine, NV | Pass | State |
| 2023-09-19 | GFS CHEMICALS INC | COLUMBUS, Franklin, OH | Pass | State |
| 2023-09-19 | GFS CHEMICALS INC | COLUMBUS, Franklin, OH | Fail | State |
| 2023-09-19 | GFS CHEMICALS INC | COLUMBUS, Franklin, OH | Fail | State |
| 2023-09-19 | GFS CHEMICALS INC | COLUMBUS, Franklin, OH | Fail | State |
| 2023-09-19 | GFS CHEMICALS INC | COLUMBUS, Franklin, OH | Fail | State |
| 2023-09-19 | CLEAN ENERGY FUTURE - LORDSTOWN, LLC | LORDSTOWN, Trumbull, OH | Pass | State |
| 2023-09-19 | CLEAN ENERGY FUTURE - LORDSTOWN, LLC | LORDSTOWN, Trumbull, OH | Pass | State |
| 2023-09-19 | CLEAN ENERGY FUTURE - LORDSTOWN, LLC | LORDSTOWN, Trumbull, OH | Pass | State |
| 2023-09-19 | CLEAN ENERGY FUTURE - LORDSTOWN, LLC | LORDSTOWN, Trumbull, OH | Pass | State |
| 2023-09-19 | CLEAN ENERGY FUTURE - LORDSTOWN, LLC | LORDSTOWN, Trumbull, OH | Pass | State |
| 2023-09-19 | CLEAN ENERGY FUTURE - LORDSTOWN, LLC | LORDSTOWN, Trumbull, OH | Pass | State |
| 2023-09-19 | CLEAN ENERGY FUTURE - LORDSTOWN, LLC | LORDSTOWN, Trumbull, OH | Pass | State |
| 2023-09-19 | CLEAN ENERGY FUTURE - LORDSTOWN, LLC | LORDSTOWN, Trumbull, OH | Pass | State |
| 2023-09-19 | JOHNS MANVILLE - WATERVILLE 07 | WATERVILLE, Lucas, OH | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.