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 |
|---|---|---|---|---|
| 2023-11-14 | RIO BRAVO FRESNO — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-14 | RIO BRAVO FRESNO — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-14 | RIO BRAVO FRESNO — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-14 | RIO BRAVO FRESNO — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-14 | RIO BRAVO FRESNO — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-14 | RIO BRAVO FRESNO — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-14 | RIO BRAVO FRESNO — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-14 | RIO BRAVO FRESNO — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-14 | RIO BRAVO FRESNO — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-14 | RIO BRAVO FRESNO — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-14 | RIO BRAVO FRESNO — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-14 | RIO BRAVO FRESNO — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-14 | RIO BRAVO FRESNO — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-14 | RIO BRAVO FRESNO — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-14 | RIO BRAVO FRESNO — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-14 | RIO BRAVO FRESNO — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-14 | RIO BRAVO FRESNO — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-14 | RIO BRAVO FRESNO — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-14 | RIO BRAVO FRESNO — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-14 | RIO BRAVO FRESNO — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-14 | RIO BRAVO FRESNO — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-14 | RIO BRAVO FRESNO — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-14 | RIO BRAVO FRESNO — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-14 | RIO BRAVO FRESNO — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-14 | RIO BRAVO FRESNO — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-14 | RIO BRAVO FRESNO — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2023-11-14 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-14 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-14 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-14 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-14 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-14 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-14 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-14 | AERA ENERGY LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-11-14 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2023-11-14 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2023-11-14 | PRAIRIE OPERATING CO - WEST EATON 2-A | EATON AREA, Weld, CO | Pass | State |
| 2023-11-14 | AMGRAPH PACKAGING, INC. | WATERTOWN, Litchfield, CT | Fail | State |
| 2023-11-14 | GEORGE WASHINGTON UNIVERSITY — high-priority violation on file | WASHINGTON, District of Columbia, DC | Pass | State |
| 2023-11-14 | GEORGE WASHINGTON UNIVERSITY — high-priority violation on file | WASHINGTON, District of Columbia, DC | Pass | State |
| 2023-11-14 | CLARIOS, LLC - MIDDLETOWN DISTRIBUTION CENTER | MIDDLETOWN, New Castle, DE | Pass | State |
| 2023-11-14 | CLARIOS, LLC - MIDDLETOWN DISTRIBUTION CENTER | MIDDLETOWN, New Castle, DE | Pass | State |
| 2023-11-14 | DUKE ENERGY FLORIDA, LLC | CRYSTAL RIVER, Citrus, FL | Pass | State |
| 2023-11-14 | DUVAL ASPHALT PRODUCTS, INC. | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-11-14 | CONCORDE/INTERSPACE BATTERY GEORGIA CORPORATION | AUSTELL, Cobb, GA | Pass | State |
| 2023-11-14 | CONCORDE/INTERSPACE BATTERY GEORGIA CORPORATION | AUSTELL, Cobb, GA | Pass | State |
| 2023-11-14 | CHATTAHOOCHEE ENERGY FACILITY | FRANKLIN, Heard, GA | Pass | State |
| 2023-11-14 | CHATTAHOOCHEE ENERGY FACILITY | FRANKLIN, Heard, GA | Pass | State |
| 2023-11-14 | MECO - MAALAEA | MAALAEA, Maui, HI | Pass | State |
| 2023-11-14 | ENTERPRISE NGL PIPELINE- IOWA CITY TERMINAL | IOWA CITY, Johnson, IA | Pass | State |
| 2023-11-14 | CLEARWATER PAPER CORP-PPD | LEWISTON, Nez Perce, ID | N/A | State |
| 2023-11-14 | TOPPAN PACKAGING USA INC — high-priority violation on file | EDINBURGH, Johnson, IN | Pass | State |
| 2023-11-14 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2023-11-14 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2023-11-14 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2023-11-14 | BP PRODUCTS NORTH AMERICA INC WHITING BUSINESS UNIT — high-priority violation on file | WHITING, Lake, IN | Pass | State |
| 2023-11-14 | CLEVELAND-CLIFFS BURNS HARBOR LLC — high-priority violation on file | BURNS HARBOR, Porter, IN | Pass | State |
| 2023-11-14 | REAL ALLOY RECYCLING LLC | MORGANTOWN, Butler, KY | Pass | State |
| 2023-11-14 | REAL ALLOY RECYCLING LLC | MORGANTOWN, Butler, KY | Pass | State |
| 2023-11-14 | NOVELIS | BEREA, Madison, KY | Pass | State |
| 2023-11-14 | MPLX TERMINALS, LLC - ALGONQUIN TERMINAL | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2023-11-14 | MILLERSVILLE LANDFILL GAS TO ELECTRICITY FACILITY | SEVERN, Anne Arundel, MD | Pass | State |
| 2023-11-14 | CONSTELLATION POWER - PERRYMAN POWER PLANT | ABERDEEN, Harford, MD | Pass | State |
| 2023-11-14 | ECO MAINE | PORTLAND, Cumberland, ME | Pass | State |
| 2023-11-14 | EXETER AGRI-ENERGY, LLC | EXETER, TOWN OF, Penobscot, ME | Pass | State |
| 2023-11-14 | CONSUMERS ENERGY - ST. CLAIR COMPRESSOR STATION | IRA, St. Clair, MI | Pass | State |
| 2023-11-14 | COREWELL HEALTH - BUTTERWORTH CAMPUS | GRAND RAPIDS, Kent, MI | Pending | State |
| 2023-11-14 | ROUSH INDUSTRIES | LIVONIA, Wayne, MI | Pass | State |
| 2023-11-14 | WESTSIDE RECYCLING AND DISPOSAL FACILITY | THREE RIVERS, St. Joseph, MI | Pass | State |
| 2023-11-14 | LOUISIANA-PACIFIC CORP SAGOLA PLANT | SAGOLA, Dickinson, MI | Pending | State |
| 2023-11-14 | GREAT LAKES GAS TRANSMISSION - SHEVLIN COMPRESSOR STATION 3 | SHEVLIN, Clearwater, MN | Pass | State |
| 2023-11-14 | ALLIANCE PIPELINE - OLIVIA 23-A | BIRD ISLAND, Renville, MN | Pass | State |
| 2023-11-14 | METROPOLITAN ST. LOUIS SEWER DISTRICT | SAINT LOUIS COUNTY, St. Louis, MO | Pass | State |
| 2023-11-14 | TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA | WATFORD CITY, McKenzie, ND | Pass | State |
| 2023-11-14 | TARGA BADLANDS, LLC - LITTLE MISSOURI GAS PLANT (LMGP) AND SMOKEY COMPRESSOR STA | WATFORD CITY, McKenzie, ND | Pass | State |
| 2023-11-14 | BASIN ELECTRIC POWER COOPERATIVE - PIONEER GENERATION STATION - AQ | WILLISTON, Williams, ND | Pass | State |
| 2023-11-14 | BRONCO COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2023-11-14 | BRONCO COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2023-11-14 | PETRY BOOSTER STATION | MALAGA, Eddy, NM | Pass | State |
| 2023-11-14 | TIGER BOOSTER STATION | CARLSBAD, Eddy, NM | Pass | State |
| 2023-11-14 | MAD MAX 6 FED COM CTB | CARLSBAD, Eddy, NM | Pass | State |
| 2023-11-14 | GRAMA RIDGE GAS STORAGE FACILITY | EUNICE, Lea, NM | Pass | State |
| 2023-11-14 | GRAMA RIDGE GAS STORAGE FACILITY | EUNICE, Lea, NM | Pass | State |
| 2023-11-14 | GARLOCK SEALING TECHNOLOGIES | PALMYRA, Wayne, NY | Pass | State |
| 2023-11-14 | LIBERTY CASTING INC. — high-priority violation on file | DELAWARE, Delaware, OH | Fail | State |
| 2023-11-14 | LIBERTY CASTING INC. — high-priority violation on file | DELAWARE, Delaware, OH | Fail | State |
| 2023-11-14 | LIBERTY CASTING INC. — high-priority violation on file | DELAWARE, Delaware, OH | Fail | State |
| 2023-11-14 | LIBERTY CASTING INC. — high-priority violation on file | DELAWARE, Delaware, OH | Fail | State |
| 2023-11-14 | ASCENT RESOURCES - UTICA LLC - SMITHFIELD WELL PAD | ADENA, Jefferson, OH | Pass | State |
| 2023-11-14 | ASCENT RESOURCES - UTICA LLC - SMITHFIELD WELL PAD | ADENA, Jefferson, OH | Pass | State |
| 2023-11-14 | ASCENT RESOURCES - UTICA LLC - SMITHFIELD WELL PAD | ADENA, Jefferson, OH | Pass | State |
| 2023-11-14 | ASCENT RESOURCES - UTICA LLC - JACK HAMILTON SMF JF | ADENA, Jefferson, OH | Pass | State |
| 2023-11-14 | ASCENT RESOURCES - UTICA LLC - JACK HAMILTON SMF JF | ADENA, Jefferson, OH | Pass | State |
| 2023-11-14 | ASCENT RESOURCES - UTICA LLC - JACK HAMILTON SMF JF | ADENA, Jefferson, OH | Pass | State |
| 2023-11-14 | DEVON ENERGY PRODUCTION CO LP / CHEETAH 29 PAD 2 | WATONGA, Blaine, OK | Pass | State |
| 2023-11-14 | ONEOK FIELD SERVICES CO LLC / CHEROKEE COMPRESSOR STATION | ERIN SPRINGS, Garvin, OK | Pass | State |
| 2023-11-14 | ET GATHERING PROCESSING LLC / TURKEY TOWER COMPRESSOR FACILITY | ALEX, Grady, OK | Pass | State |
| 2023-11-14 | VALIDUS ENERGY II MIDCON LLC / SKAGGS FARM CTB | TUTTLE, Grady, OK | Pass | State |
| 2023-11-14 | VALIDUS ENERGY II MIDCON LLC / CLARK PAD | AMBER, Grady, OK | Pass | State |
| 2023-11-14 | CHISHOLM OIL AND GAS OPERATING LLC / SCHOOL LAND 1 36H | HENNESSEY, Kingfisher, OK | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.