EPA Air · stack tests by year
Air-emissions stack tests in 2020
- 33,437Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2020
- California 15,352
- Ohio 2,194
- Florida 1,532
- Oklahoma 1,517
- Indiana 1,473
- Georgia 1,147
- New Mexico 846
- Pennsylvania 725
- Alabama 674
- Texas 617
- Missouri 607
- Arkansas 589
- Mississippi 438
- Colorado 429
- Washington 407
- Iowa 355
- North Carolina 274
- Wyoming 235
- Wisconsin 229
- Michigan 222
- South Carolina 221
- Montana 217
- Minnesota 213
- Delaware 211
- Kentucky 184
- West Virginia 175
- Utah 158
- Tennessee 149
- Kansas 144
- Nebraska 142
- Alaska 141
- Maine 136
- Nevada 134
- Virginia 132
- Illinois 129
- North Dakota 129
- New Jersey 122
- Connecticut 110
- Arizona 97
- New York 93
- Hawaii 84
- Louisiana 83
- Idaho 81
- New Hampshire 72
- Maryland 46
- South Dakota 46
- Oregon 39
- Rhode Island 30
- District of Columbia 30
- Vermont 17
- Massachusetts 7
- Puerto Rico 3
Other years
Air-emissions stack tests recorded in 2020
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2020-12-03 | U.S. SUGAR CORPORATION | CLEWISTON, Hendry, FL | Pass | State |
| 2020-12-03 | FLORIDA POWER AND LIGHT COMPANY | LOXAHATCHEE, Palm Beach, FL | Pass | State |
| 2020-12-03 | HECO - WAIAU | PEARL CITY, Honolulu, HI | Pass | State |
| 2020-12-03 | ENTERPRISE NGL PIPELINE- IOWA CITY TERMINAL | IOWA CITY, Johnson, IA | Pass | State |
| 2020-12-03 | J R SIMPLOT COMPANY-DON SIDING POCATELLO — high-priority violation on file | POCATELLO, Power, ID | Pass | State |
| 2020-12-03 | NIKKEI MC ALUMINUM AMERICA INC | COLUMBUS, Bartholomew, IN | Pass | State |
| 2020-12-03 | NIKKEI MC ALUMINUM AMERICA INC | COLUMBUS, Bartholomew, IN | Pass | State |
| 2020-12-03 | NIKKEI MC ALUMINUM AMERICA INC | COLUMBUS, Bartholomew, IN | Pass | State |
| 2020-12-03 | NIKKEI MC ALUMINUM AMERICA INC | COLUMBUS, Bartholomew, IN | Pass | State |
| 2020-12-03 | SIGECO - FB CULLEY GENERATING STATION | NEWBURGH, Warrick, IN | Pass | State |
| 2020-12-03 | ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file | NEWBURGH, Warrick, IN | Pass | State |
| 2020-12-03 | ALCOA POWER GENERATING INC WARRICK POWER PLANT — high-priority violation on file | NEWBURGH, Warrick, IN | Pass | State |
| 2020-12-03 | SUMMIT SUSTAINABLE INGREDIENTS LLC DBA AMBER WAVE(AIR) | PHILLIPSBURG, Phillips, KS | Pass | State |
| 2020-12-03 | 3A COMPOSITES USA | GLASGOW, Barren, KY | Pass | State |
| 2020-12-03 | LOGAN ALUMINUM INC | RUSSELLVILLE, Logan, KY | Pass | State |
| 2020-12-03 | ALTUGLASS INTERNATIONAL | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2020-12-03 | DISCOVERY PRODUCER SERVICES LLC - LAROSE GAS PROCESSING PLANT — high-priority violation on file | LAROSE, Lafourche, LA | Pass | State |
| 2020-12-03 | DISCOVERY PRODUCER SERVICES LLC - LAROSE GAS PROCESSING PLANT — high-priority violation on file | LAROSE, Lafourche, LA | Pass | State |
| 2020-12-03 | LOMAX 35-26 PAD | SIMSBORO, Lincoln, LA | Pass | State |
| 2020-12-03 | U.S. COAST GUARD YARD - CURTIS BAY | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2020-12-03 | SAPPI NORTH AMERICA, INC. | SKOWHEGAN, Somerset, ME | Pass | State |
| 2020-12-03 | BETZ INDUSTRIES, INC. | GRAND RAPIDS, Kent, MI | Pending | State |
| 2020-12-03 | J. H. CAMPBELL PLANT | WEST OLIVE, Ottawa, MI | Pass | State |
| 2020-12-03 | ST. FRANCIS POWER PLANT | CAMPBELL, Dunklin, MO | Pending | State |
| 2020-12-03 | ARCWOOD ENVIRONMENTAL - JOPLIN INC | CARTHAGE, Jasper, MO | Pending | State |
| 2020-12-03 | LEMONS SANITARY LANDFILL DEXTER | DEXTER, Stoddard, MO | Pass | State |
| 2020-12-03 | METROPOLITAN ST. LOUIS SEWER DISTRICT BISSELL POINT WWTP | SAINT LOUIS, St. Louis (city), MO | Pending | State |
| 2020-12-03 | CHEMOURS COMPANY FC LLC THE, DELISLE PLANT | PASS CHRISTI, Harrison, MS | Pass | State |
| 2020-12-03 | CHEMOURS COMPANY FC LLC THE, DELISLE PLANT | PASS CHRISTI, Harrison, MS | Pass | State |
| 2020-12-03 | CHEMOURS COMPANY FC LLC THE, DELISLE PLANT | PASS CHRISTI, Harrison, MS | Pass | State |
| 2020-12-03 | CHEMOURS COMPANY FC LLC THE, DELISLE PLANT | PASS CHRISTI, Harrison, MS | Pass | State |
| 2020-12-03 | CHEMOURS COMPANY FC LLC THE, DELISLE PLANT | PASS CHRISTI, Harrison, MS | Pass | State |
| 2020-12-03 | ENVIVA SAMPSON | FAISON, Sampson, NC | Pass | State |
| 2020-12-03 | BRININSTOOL COMPRESSOR STATION | EUNICE, Lea, NM | Pass | State |
| 2020-12-03 | GOLDSTRIKE MINE | CARLIN, Eureka, NV | Fail | State |
| 2020-12-03 | CARROLLTON COMPRESSOR FACILITY | CARROLLTON, Carroll, OH | Pass | State |
| 2020-12-03 | CARROLLTON COMPRESSOR FACILITY | CARROLLTON, Carroll, OH | Pass | State |
| 2020-12-03 | CARROLLTON COMPRESSOR FACILITY | CARROLLTON, Carroll, OH | Pass | State |
| 2020-12-03 | CARROLLTON COMPRESSOR FACILITY | CARROLLTON, Carroll, OH | Pass | State |
| 2020-12-03 | CARROLLTON COMPRESSOR FACILITY | CARROLLTON, Carroll, OH | Pass | State |
| 2020-12-03 | CARROLLTON COMPRESSOR FACILITY | CARROLLTON, Carroll, OH | Pass | State |
| 2020-12-03 | CARROLLTON COMPRESSOR FACILITY | CARROLLTON, Carroll, OH | Pass | State |
| 2020-12-03 | CARROLLTON COMPRESSOR FACILITY | CARROLLTON, Carroll, OH | Pass | State |
| 2020-12-03 | CARROLLTON COMPRESSOR FACILITY | CARROLLTON, Carroll, OH | Pass | State |
| 2020-12-03 | CARROLLTON COMPRESSOR FACILITY | CARROLLTON, Carroll, OH | Pass | State |
| 2020-12-03 | CARROLLTON COMPRESSOR FACILITY | CARROLLTON, Carroll, OH | Pass | State |
| 2020-12-03 | CARROLLTON COMPRESSOR FACILITY | CARROLLTON, Carroll, OH | Pass | State |
| 2020-12-03 | CARROLLTON COMPRESSOR FACILITY | CARROLLTON, Carroll, OH | Pass | State |
| 2020-12-03 | CARROLLTON COMPRESSOR FACILITY | CARROLLTON, Carroll, OH | Pass | State |
| 2020-12-03 | CARROLLTON COMPRESSOR FACILITY | CARROLLTON, Carroll, OH | Pass | State |
| 2020-12-03 | CARROLLTON COMPRESSOR FACILITY | CARROLLTON, Carroll, OH | Pass | State |
| 2020-12-03 | CARROLLTON COMPRESSOR FACILITY | CARROLLTON, Carroll, OH | Pass | State |
| 2020-12-03 | CARROLLTON COMPRESSOR FACILITY | CARROLLTON, Carroll, OH | Pass | State |
| 2020-12-03 | CLEVELAND CLIFFS STEELTON LLC/STEELTON | STEELTON, Dauphin, PA | Pass | State |
| 2020-12-03 | PA DEPT OF CORR/COAL TWP SCI — high-priority violation on file | COAL TOWNSHIP, Northumberland, PA | Pass | State |
| 2020-12-03 | BEAVER DAM ENERGY LLC/ELECTRIC GENERATING STATION | CANTON, Bradford, PA | Pass | State |
| 2020-12-03 | ETC NORTHEAST FLD SVC LLC/PIKE COMP STA | ROCHESTER, Beaver, PA | Pass | State |
| 2020-12-03 | SANTEE COOPER BERKELEY COUNTY LANDFILL GAS TO ENERGY FACILITY | MONCKS CORNER, Berkeley, SC | Fail | State |
| 2020-12-03 | QUIKRETE CONSTRUCTION MATERIALS, LLC — high-priority violation on file | HARLEYVILLE, Dorchester, SC | Pass | State |
| 2020-12-03 | RED CEDAR GATHERING COMPANY - SOUTH IGNACIO CENTRAL DEL | SOUTHERN UTE RESERVATION, La Plata, CO | Pass | State |
| 2020-12-03 | EASTMAN PERFORMANCE FILMS LLC - FIELDALE | FIELDALE, Henry, VA | Pass | State |
| 2020-12-03 | UNIVERSITY OF VIRGINIA | CHARLOTTESVILLE, Charlottesville (city), VA | Pass | State |
| 2020-12-03 | NIPPON DYNAWAVE PACKAGING COMPANY LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2020-12-03 | PACKAGING CORPORATION OF AMERICA — high-priority violation on file | WALLULA, Walla Walla, WA | Pass | State |
| 2020-12-03 | GEORGIA-PACIFIC GYPSUM LLC | TACOMA, Pierce, WA | Pass | Local |
| 2020-12-03 | DEPT OF ADM -WAUPUN CORRECTIONAL INSTITUTION | WAUPUN, Dodge, WI | Pass | State |
| 2020-12-03 | CASCADES TISSUE GROUP - WI INC | EAU CLAIRE, Eau Claire, WI | Pass | State |
| 2020-12-03 | WISCONSIN ELECTRIC POWER COMPANY D/B/A WE ENERGIES-GERMANTOWN STATION | GERMANTOWN, Waukesha, WI | Pass | State |
| 2020-12-02 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2020-12-02 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2020-12-02 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2020-12-02 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2020-12-02 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2020-12-02 | KNAUF INSULATION | LANETT, Chambers, AL | Pass | State |
| 2020-12-02 | WILLIAMS MOBILE BAY PRODUCER SERVICES, LLC | CODEN, Mobile, AL | Pass | State |
| 2020-12-02 | WILLIAMS MOBILE BAY PRODUCER SERVICES, LLC | CODEN, Mobile, AL | Pass | State |
| 2020-12-02 | NATIONAL CEMENT CO OF ALABAMA — high-priority violation on file | RAGLAND, St. Clair, AL | Pass | State |
| 2020-12-02 | NATIONAL CEMENT CO OF ALABAMA — high-priority violation on file | RAGLAND, St. Clair, AL | Pass | State |
| 2020-12-02 | DOMTAR A.W. LLC - ASHDOWN MILL — high-priority violation on file | ASHDOWN, Little River, AR | Pass | State |
| 2020-12-02 | DOMTAR A.W. LLC - ASHDOWN MILL — high-priority violation on file | ASHDOWN, Little River, AR | Pass | State |
| 2020-12-02 | APACHE GENERATING STATION | COCHISE, Cochise, AZ | Pass | State |
| 2020-12-02 | ULTRAMAR INC | WILMINGTON, Los Angeles, CA | Pass | Local |
| 2020-12-02 | BRIDGE ENERGY, LLC | BREA, Orange, CA | Pass | Local |
| 2020-12-02 | CITY OF CLOVIS - LANDFILL | CLOVIS, Fresno, CA | Pass | Local |
| 2020-12-02 | CITY OF CLOVIS - LANDFILL | CLOVIS, Fresno, CA | Pass | Local |
| 2020-12-02 | CITY OF CLOVIS - LANDFILL | CLOVIS, Fresno, CA | Pass | Local |
| 2020-12-02 | CITY OF CLOVIS - LANDFILL | CLOVIS, Fresno, CA | Pass | Local |
| 2020-12-02 | CITY OF CLOVIS - LANDFILL | CLOVIS, Fresno, CA | Pass | Local |
| 2020-12-02 | CITY OF CLOVIS - LANDFILL | CLOVIS, Fresno, CA | Pass | Local |
| 2020-12-02 | CITY OF CLOVIS - LANDFILL | CLOVIS, Fresno, CA | Pass | Local |
| 2020-12-02 | CITY OF CLOVIS - LANDFILL | CLOVIS, Fresno, CA | Pass | Local |
| 2020-12-02 | CITY OF CLOVIS - LANDFILL | CLOVIS, Fresno, CA | Pass | Local |
| 2020-12-02 | CITY OF CLOVIS - LANDFILL | CLOVIS, Fresno, CA | Pass | Local |
| 2020-12-02 | CITY OF CLOVIS - LANDFILL | CLOVIS, Fresno, CA | Pass | Local |
| 2020-12-02 | CITY OF CLOVIS - LANDFILL | CLOVIS, Fresno, CA | Pass | Local |
| 2020-12-02 | CITY OF CLOVIS - LANDFILL | CLOVIS, Fresno, CA | Pass | Local |
| 2020-12-02 | CITY OF CLOVIS - LANDFILL | CLOVIS, Fresno, CA | Pass | Local |
| 2020-12-02 | CITY OF CLOVIS - LANDFILL | CLOVIS, Fresno, CA | Pass | Local |
| 2020-12-02 | CITY OF CLOVIS - LANDFILL | CLOVIS, Fresno, CA | Pass | Local |
| 2020-12-02 | CITY OF CLOVIS - LANDFILL | CLOVIS, Fresno, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.