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 |
|---|---|---|---|---|
| 2023-10-24 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CALIFORNIA RESOURCES PRODUCTION CORP — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | CHEVRON COGENERATION COMPANY | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-10-24 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-24 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-24 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-24 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-24 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-24 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-24 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-24 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-24 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-24 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-24 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-24 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-24 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-24 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-24 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-24 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-24 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-24 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-24 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-24 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-24 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-24 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-24 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-24 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-24 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-24 | OWENS BROCKWAY GLASS | TRACY, San Joaquin, CA | Pass | Local |
| 2023-10-24 | PDC - CECIL'S KERSEY FARM 17 SEC HZ | KERSEY AREA, Weld, CO | Pass | State |
| 2023-10-24 | HARTFORD WATER POLLUTION CONTROL FACILITY — high-priority violation on file | HARTFORD, Hartford, CT | Pass | State |
| 2023-10-24 | QUANTUM BIOPOWER SOUTHINGTON LLC | SOUTHINGTON, Hartford, CT | Pass | State |
| 2023-10-24 | UNITED STATES NAVY | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-10-24 | PREFERRED MATERIALS, INC. | WINTER HAVEN, Polk, FL | Pass | State |
| 2023-10-24 | GA POWER CO. - PLANT BOWEN | CARTERSVILLE, Bartow, GA | Pass | State |
| 2023-10-24 | GERDAU AMERISTEEL US INC. | CARTERSVILLE, Bartow, GA | Pass | State |
| 2023-10-24 | NEW WINCUP HOLDINGS, INC. STONE MOUNTAIN | STONE MOUNTAIN, DeKalb, GA | Pass | State |
| 2023-10-24 | NEW WINCUP HOLDINGS, INC. STONE MOUNTAIN | STONE MOUNTAIN, DeKalb, GA | Pass | State |
| 2023-10-24 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2023-10-24 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2023-10-24 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2023-10-24 | BRUNSWICK CELLULOSE LLC | BRUNSWICK, Glynn, GA | Pass | State |
| 2023-10-24 | BD MADISON | MADISON, Morgan, GA | Pass | State |
| 2023-10-24 | BD MADISON | MADISON, Morgan, GA | Pass | State |
| 2023-10-24 | COUNTY OF HAWAII - WEST HAWAII MSWL | WAIKOLOA, Hawaii, HI | Pass | State |
| 2023-10-24 | ANITA MUNICIPAL UTILITIES | ANITA, Cass, IA | Pass | State |
| 2023-10-24 | ANITA MUNICIPAL UTILITIES | ANITA, Cass, IA | Pass | State |
| 2023-10-24 | ANITA MUNICIPAL UTILITIES | ANITA, Cass, IA | Pass | State |
| 2023-10-24 | INTEGRATED DNA TECHNOLOGIES | CORALVILLE, Johnson, IA | Pass | State |
| 2023-10-24 | C J BIO AMERICA INC | FORT DODGE, Webster, IA | Pass | State |
| 2023-10-24 | H KRAMER & CO — high-priority violation on file | CHICAGO, Cook, IL | Pass | State |
| 2023-10-24 | EP GRAPHICS INCORPORATED | BERNE, Adams, IN | Pass | State |
| 2023-10-24 | CLEVELAND-CLIFFS STEEL CORPORATION, ROCKPORT WORKS | ROCKPORT, Spencer, IN | Pass | State |
| 2023-10-24 | CLEVELAND-CLIFFS STEEL CORPORATION, ROCKPORT WORKS | ROCKPORT, Spencer, IN | Pass | State |
| 2023-10-24 | CLEVELAND-CLIFFS STEEL CORPORATION, ROCKPORT WORKS | ROCKPORT, Spencer, IN | Pass | State |
| 2023-10-24 | CLEVELAND-CLIFFS STEEL CORPORATION, ROCKPORT WORKS | ROCKPORT, Spencer, IN | Pass | State |
| 2023-10-24 | CLEVELAND-CLIFFS STEEL CORPORATION, ROCKPORT WORKS | ROCKPORT, Spencer, IN | Pass | State |
| 2023-10-24 | CLEVELAND-CLIFFS STEEL CORPORATION, ROCKPORT WORKS | ROCKPORT, Spencer, IN | Pass | State |
| 2023-10-24 | CENTRAL MOTOR WHEEL OF AMERICA INC | PARIS, Bourbon, KY | Pass | State |
| 2023-10-24 | UPPER MICHIGAN ENERGY RESOURCES -F.D. KUESTER G.S. | NEGAUNEE, Marquette, MI | Pass | State |
| 2023-10-24 | UPPER MICHIGAN ENERGY RESOURCES -F.D. KUESTER G.S. | NEGAUNEE, Marquette, MI | Pass | State |
| 2023-10-24 | USG INTERIORS LLC - CLOQUET MN | CLOQUET, Carlton, MN | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.