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 |
|---|---|---|---|---|
| 2023-08-04 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2023-08-04 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2023-08-04 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2023-08-04 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2023-08-04 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2023-08-04 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2023-08-04 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2023-08-04 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2023-08-04 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2023-08-04 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2023-08-04 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2023-08-04 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2023-08-04 | FRITO-LAY NORTH AMERICA, INC — high-priority violation on file | BAKERSFIELD, Kern, CA | Fail | Local |
| 2023-08-04 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2023-08-04 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2023-08-04 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2023-08-04 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2023-08-04 | LINN OPERATING INC | KERN COUNTY, Kern, CA | Pass | Local |
| 2023-08-04 | ATLANTA GAS LIGHT CO. — high-priority violation on file | BALL GROUND, Cherokee, GA | Pass | State |
| 2023-08-04 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | BURNS HARBOR, Porter, IN | Pass | State |
| 2023-08-04 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | BURNS HARBOR, Porter, IN | Pass | State |
| 2023-08-04 | MISSISSIPPI LIME COMPANY | SAINTE GENEVIEVE, Ste. Genevieve, MO | N/A | State |
| 2023-08-04 | MISSISSIPPI LIME COMPANY | SAINTE GENEVIEVE, Ste. Genevieve, MO | N/A | State |
| 2023-08-04 | METROPOLITAN ST. LOUIS SEWER DISTRICT BISSELL POINT WWTP | SAINT LOUIS, St. Louis (city), MO | Pass | State |
| 2023-08-04 | VONI EAST FACILITY | MALAGA, Eddy, NM | Pass | State |
| 2023-08-04 | BLACK AND TAN CTB | EUNICE, Lea, NM | Pass | State |
| 2023-08-04 | BLACK AND TAN CTB | EUNICE, Lea, NM | Pass | State |
| 2023-08-04 | SMOKY VALLEY COMMON OPERATION — high-priority violation on file | ROUND MOUNTAIN, Nye, NV | Pass | State |
| 2023-08-04 | EOG RESOURCES, INC. - DONALD 22-13-6 PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2023-08-04 | EOG RESOURCES, INC. - DONALD 22-13-6 PAD | LEESVILLE, Carroll, OH | Pass | State |
| 2023-08-04 | GERKEN MATERIALS INC PLANT #10 | CASTALIA, Erie, OH | Pass | State |
| 2023-08-04 | ATLAS ROOFING CORPORATION, FRANKLIN ROOFING FACILITY | FRANKLIN, Warren, OH | Pass | State |
| 2023-08-04 | ATLAS ROOFING CORPORATION, FRANKLIN ROOFING FACILITY | FRANKLIN, Warren, OH | Pass | State |
| 2023-08-04 | DCP OPERATING CO LP / COYOTE COMPRESSOR STATION | GEARY, Canadian, OK | Pass | State |
| 2023-08-04 | UNBRIDLED RESOURCES LLC / JIMMIE JOYCE CTB PRODUCTION FACILITY | ARNETT, Ellis, OK | Pass | State |
| 2023-08-04 | MINARD RUN OIL CO/ZIMMERMAN HILL STA | WARREN, Warren, PA | Pass | State |
| 2023-08-04 | VALERO REFINING COMPANY-TN LLC | MEMPHIS, Shelby, TN | Pass | Local |
| 2023-08-04 | HARRY COMPRESSOR STATION | ROSSTON, Cooke, TX | Pass | State |
| 2023-08-04 | HARRY COMPRESSOR STATION | ROSSTON, Cooke, TX | Pass | State |
| 2023-08-04 | HARRY COMPRESSOR STATION | ROSSTON, Cooke, TX | Pass | State |
| 2023-08-04 | HARRY COMPRESSOR STATION | ROSSTON, Cooke, TX | Pass | State |
| 2023-08-04 | HARRY COMPRESSOR STATION | ROSSTON, Cooke, TX | Pass | State |
| 2023-08-04 | SMURFIT KAPPA NORTH AMERICA FORNEY MILL | FORNEY, Kaufman, TX | Pass | State |
| 2023-08-04 | SMURFIT KAPPA NORTH AMERICA FORNEY MILL | FORNEY, Kaufman, TX | Pass | State |
| 2023-08-04 | BENBROOK COMPRESSOR STATION | BENBROOK, Tarrant, TX | Pass | State |
| 2023-08-04 | MCALISTER COMPRESSOR STATION | RHOME, Wise, TX | Pass | State |
| 2023-08-04 | ALLISON COMPRESSOR STATION — high-priority violation on file | DECATUR, Wise, TX | Pass | State |
| 2023-08-04 | NUCOR STEEL | PLYMOUTH, Box Elder, UT | Pass | State |
| 2023-08-04 | PACIFICORP LAKESIDE (SUMMIT VINEYARD) | VINEYARD, Utah, UT | Pass | State |
| 2023-08-03 | GEORGIA-PACIFIC WOOD PRODUCTS, LLC--FORDYCE OSB | FORDYCE, Calhoun, AR | Pass | State |
| 2023-08-03 | GEORGIA-PACIFIC WOOD PRODUCTS, LLC--FORDYCE OSB | FORDYCE, Calhoun, AR | Pass | State |
| 2023-08-03 | DEFENDER GAS PRODUCERS LLC - WILSON CREEK | CLINTON, Van Buren, AR | Pass | State |
| 2023-08-03 | FREEPORT-MCMORAN - MORENCI | MORENCI, Greenlee, AZ | Pass | State |
| 2023-08-03 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-03 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-03 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-03 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-03 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-03 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-03 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-03 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-03 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-03 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-03 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-03 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-03 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-03 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-03 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-03 | AERA ENERGY — high-priority violation on file | COALINGA, Fresno, CA | Pass | Local |
| 2023-08-03 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-03 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-03 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-03 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-03 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-03 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-03 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-03 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-03 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-03 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-03 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-03 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-03 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-03 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-03 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-03 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-08-03 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2023-08-03 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2023-08-03 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2023-08-03 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2023-08-03 | ENTERPRISE PRODUCTS OP- JACKRABBIT CS | PARACHUTE 9.5 MI. NW OF, Garfield, CO | Pass | State |
| 2023-08-03 | ENTERPRISE PRODUCTS OP- JACKRABBIT CS | PARACHUTE 9.5 MI. NW OF, Garfield, CO | Pass | State |
| 2023-08-03 | ENTERPRISE PRODUCTS OP- JACKRABBIT CS | PARACHUTE 9.5 MI. NW OF, Garfield, CO | Pass | State |
| 2023-08-03 | UNITED COCOA PROCESSOR, INC. | NEWARK, New Castle, DE | Pass | State |
| 2023-08-03 | UNITED COCOA PROCESSOR, INC. | NEWARK, New Castle, DE | Fail | State |
| 2023-08-03 | UNITED COCOA PROCESSOR, INC. | NEWARK, New Castle, DE | Pass | State |
| 2023-08-03 | UNITED COCOA PROCESSOR, INC. | NEWARK, New Castle, DE | Pass | State |
| 2023-08-03 | UNITED COCOA PROCESSOR, INC. | NEWARK, New Castle, DE | Pass | State |
| 2023-08-03 | UNITED COCOA PROCESSOR, INC. | NEWARK, New Castle, DE | Fail | State |
| 2023-08-03 | ASCEND PERFORMANCE MATERIALS OPERATIONS — high-priority violation on file | CANTONMENT, Escambia, FL | Pass | State |
| 2023-08-03 | PREFERRED MATERIALS, INC. | TAMPA, Hillsborough, FL | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.