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 |
|---|---|---|---|---|
| 2023-12-19 | MICHAEL K FED TB | LA HUERTA, Eddy, NM | Pass | State |
| 2023-12-19 | HORNED FROG COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2023-12-19 | HORNED FROG COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2023-12-19 | PABCO GYPSUM | LAS VEGAS, Clark, NV | Pass | Local |
| 2023-12-19 | PPG INDUSTRIES - RESIN — high-priority violation on file | CIRCLEVILLE, Pickaway, OH | Pass | State |
| 2023-12-19 | PPG INDUSTRIES - RESIN — high-priority violation on file | CIRCLEVILLE, Pickaway, OH | Pass | State |
| 2023-12-19 | PPG INDUSTRIES - RESIN — high-priority violation on file | CIRCLEVILLE, Pickaway, OH | Pass | State |
| 2023-12-19 | PPG INDUSTRIES - RESIN — high-priority violation on file | CIRCLEVILLE, Pickaway, OH | Pass | State |
| 2023-12-19 | PPG INDUSTRIES - RESIN — high-priority violation on file | CIRCLEVILLE, Pickaway, OH | Pass | State |
| 2023-12-19 | PPG INDUSTRIES - RESIN — high-priority violation on file | CIRCLEVILLE, Pickaway, OH | Pass | State |
| 2023-12-19 | PPG INDUSTRIES - RESIN — high-priority violation on file | CIRCLEVILLE, Pickaway, OH | Pass | State |
| 2023-12-19 | FORD MOTOR CO.-LIMA | LIMA, Allen, OH | Pass | State |
| 2023-12-19 | SANOH AMERICA, INC. | ARCHBOLD, Fulton, OH | Pass | State |
| 2023-12-19 | SANOH AMERICA, INC. | ARCHBOLD, Fulton, OH | Pass | State |
| 2023-12-19 | SANOH AMERICA, INC. | ARCHBOLD, Fulton, OH | Pass | State |
| 2023-12-19 | MIAMI UNIVERSITY | OXFORD, Butler, OH | Pass | State |
| 2023-12-19 | MIAMI UNIVERSITY | OXFORD, Butler, OH | Pass | State |
| 2023-12-19 | SOUTHERN STAR CTL GAS PIPELINE INC / BLACKWELL COMPRESSOR STATION — high-priority violation on file | BLACKWELL, Kay, OK | Pass | State |
| 2023-12-19 | BCE MACH III LLC / STEELE 1806 1 34RMH MILLER 1706 7 3MH | DOVER, Kingfisher, OK | Pass | State |
| 2023-12-19 | CATOOSA TEST FACILITY LLC / HALLETT TEST SITE | HALLETT, Pawnee, OK | Pass | State |
| 2023-12-19 | CATOOSA TEST FACILITY LLC / HALLETT TEST SITE | HALLETT, Pawnee, OK | Pass | State |
| 2023-12-19 | ET GATHERING PROCESSING LLC / DOYLE COMPRESSOR STATION | VELMA, Stephens, OK | Pass | State |
| 2023-12-19 | EASTERN GAS TRANS & STORAGE INC/BOOM STA | LAWRENCEVILLE, Tioga, PA | Pass | State |
| 2023-12-19 | HATFIELD TWP MUNI AUTH/COLMAR | COLMAR, Montgomery, PA | Pass | State |
| 2023-12-19 | MOGRIDGE, C. PAD 1 — high-priority violation on file | SPRINGVILLE, Susquehanna, PA | Pass | State |
| 2023-12-19 | AUSTIN, E. PAD 1 | HOP BOTTOM, Susquehanna, PA | Pass | State |
| 2023-12-19 | HUB CITY ENERGY, LLC — high-priority violation on file | ABERDEEN, Brown, SD | Fail | State |
| 2023-12-19 | MITSUBISHI CHEMICAL AMERICA (FORMERLY LUCITE INC.) | MEMPHIS, Shelby, TN | Pass | Local |
| 2023-12-19 | PORT ARTHUR REFINERY — high-priority violation on file | PORT ARTHUR, Jefferson, TX | Pass | State |
| 2023-12-19 | PORT ARTHUR REFINERY — high-priority violation on file | PORT ARTHUR, Jefferson, TX | Pass | State |
| 2023-12-19 | INV NYLON CHEMICALS AMERICAS ORANGE SITE — high-priority violation on file | ORANGE, Orange, TX | Pass | State |
| 2023-12-19 | INV NYLON CHEMICALS AMERICAS ORANGE SITE — high-priority violation on file | ORANGE, Orange, TX | Pass | State |
| 2023-12-19 | POTOMAC SUPPLY LLC | KINSALE, Westmoreland, VA | Fail | State |
| 2023-12-19 | BLUE RIDGE FIBERBOARD INC | DANVILLE, Danville (city), VA | Pass | State |
| 2023-12-19 | 3M CUMBERLAND FACILITY | CUMBERLAND, Barron, WI | Pass | State |
| 2023-12-19 | VIRESCO TURTLE LAKE — high-priority violation on file | TURTLE LAKE, Barron, WI | Pass | State |
| 2023-12-19 | ARDAGH GLASS INC — high-priority violation on file | BURLINGTON, Richland, WI | Pass | State |
| 2023-12-19 | ICL-IP AMERICA INC., GALLIPOLIS FERRY | GALLIPOLIS FERRY, Mason, WV | Pass | State |
| 2023-12-19 | GREEN RIVER WORKS (TATA CHEMICALS (SODA ASH) PARTNERS) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2023-12-18 | IRONHORSE COMPLEX | UTAH, Undetermined, UT | Pass | U.S. EPA |
| 2023-12-18 | SACRAMENTO MUNICIPAL UTILITY DIST. FINANCING AUTHORITY DBA MCCLELLAN POWER PLANT | MCCLELLAN, Sacramento, CA | Pass | Local |
| 2023-12-18 | NEW NGC, INC. | LONG BEACH, Los Angeles, CA | Pass | Local |
| 2023-12-18 | QUEMETCO INC | CITY OF INDUSTRY, Los Angeles, CA | Pass | Local |
| 2023-12-18 | SONOCO PRODUCTS CO | CITY OF INDUSTRY, Los Angeles, CA | Pass | Local |
| 2023-12-18 | COLTON POWER, LP | COLTON, San Bernardino, CA | Fail | Local |
| 2023-12-18 | CHEVRON USA — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-18 | CHEVRON USA — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2023-12-18 | TULARE CITY WASTE WATER PLANT — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2023-12-18 | TULARE CITY WASTE WATER PLANT — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2023-12-18 | TULARE CITY WASTE WATER PLANT — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2023-12-18 | TULARE CITY WASTE WATER PLANT — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2023-12-18 | TULARE CITY WASTE WATER PLANT — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2023-12-18 | TULARE CITY WASTE WATER PLANT — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2023-12-18 | TULARE CITY WASTE WATER PLANT — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2023-12-18 | TULARE CITY WASTE WATER PLANT — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2023-12-18 | TULARE CITY WASTE WATER PLANT — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2023-12-18 | TULARE CITY WASTE WATER PLANT — high-priority violation on file | TULARE, Tulare, CA | Pass | Local |
| 2023-12-18 | GOODRICH CORP - AIRCRAFT WHEELS & BRAKES | PUEBLO AREA, Pueblo, CO | Pass | State |
| 2023-12-18 | KRAFT HEINZ FOODS COMPANY | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-12-18 | KRAFT HEINZ FOODS COMPANY | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-12-18 | JEA | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-12-18 | FLORIDA POWER & LIGHT (PSN) | DE BARY-ORANGE CITY DIVISION, Volusia, FL | Pass | State |
| 2023-12-18 | FLORIDA POWER & LIGHT (PSN) | DE BARY-ORANGE CITY DIVISION, Volusia, FL | Pass | State |
| 2023-12-18 | PAR - REFINERY — high-priority violation on file | KAPOLEI, Honolulu, HI | Fail | State |
| 2023-12-18 | HEIDELBERG MATERIALS MIDWEST AGG INCORPORATED | FORT WAYNE, Allen, IN | Pass | State |
| 2023-12-18 | HEIDELBERG MATERIALS MIDWEST AGG INCORPORATED | FORT WAYNE, Allen, IN | Pass | State |
| 2023-12-18 | WASTE MANAGEMENT DISPOSAL SERVICES OF MAINE, INC. — high-priority violation on file | NORRIDGEWOCK, Somerset, ME | Pass | State |
| 2023-12-18 | CHAPPELL MUNICIPAL POWER PLANT | CHAPPELL, Deuel, NE | N/A | State |
| 2023-12-18 | WHOLESTONE FARMS COOPERATIVE — high-priority violation on file | FREMONT, Dodge, NE | Pass | State |
| 2023-12-18 | WILBER MUNICIPAL POWER PLANT — high-priority violation on file | WILBER, Saline, NE | Pass | State |
| 2023-12-18 | BOROS WEST FACILITY — high-priority violation on file | MALAGA, Eddy, NM | Pass | State |
| 2023-12-18 | VONI EAST FACILITY | MALAGA, Eddy, NM | Pass | State |
| 2023-12-18 | SEVERUS COMPRESSOR STATION | MONUMENT, Lea, NM | Pass | State |
| 2023-12-18 | RICO COMPRESSOR STATION | MALAGA, Lea, NM | Pass | State |
| 2023-12-18 | WOOL HEAD CENTRAL TB | EUNICE, Lea, NM | Pass | State |
| 2023-12-18 | CONTINENTAL RESOURCES / DALWHINNIE 1R 5 4 3XHW PORTMAGEE 1 32 | DAVIS, Garvin, OK | Pass | State |
| 2023-12-18 | CONTINENTAL RESOURCES / DALWHINNIE 1R 5 4 3XHW PORTMAGEE 1 32 | DAVIS, Garvin, OK | Pass | State |
| 2023-12-18 | CATOOSA TEST FACILITY LLC / HALLETT TEST SITE | HALLETT, Pawnee, OK | Pass | State |
| 2023-12-18 | PONDEROSA GATHERING LLC / PONDEROSA COMPRESSOR STATION 2 | QUINTON, Pittsburg, OK | Pass | State |
| 2023-12-18 | TOWER HEALTH SYS/READING HOSP | READING, Berks, PA | Pass | State |
| 2023-12-18 | EQM GATHERING OPCO LLC/TERRA COMP STA | PLUM CREEK, Armstrong, PA | Pass | State |
| 2023-12-18 | EXPAND OPERATING LLC/HOLTAN SUS WELLPAD | MESHOPPEN, Susquehanna, PA | Pass | State |
| 2023-12-18 | NUCOR STEEL SEATTLE INC | SEATTLE, King, WA | Pass | Local |
| 2023-12-18 | NUCOR STEEL SEATTLE INC | SEATTLE, King, WA | Pass | Local |
| 2023-12-18 | NUCOR STEEL SEATTLE INC | SEATTLE, King, WA | Pass | Local |
| 2023-12-18 | NUCOR STEEL SEATTLE INC | SEATTLE, King, WA | Pass | Local |
| 2023-12-18 | NUCOR STEEL SEATTLE INC | SEATTLE, King, WA | Pass | Local |
| 2023-12-18 | CENTRIO (WESTERN) | SEATTLE, King, WA | Pass | Local |
| 2023-12-18 | GREEN BAY METRO SEWERAGE DIST | GREEN BAY, Brown, WI | Pass | State |
| 2023-12-18 | AUGUSTA-PEBBLE BEACH COMPRESSOR STATION (PRONGHORN MIDSTREAM LLC) | JOHNSON COUNTY, Johnson, WY | Pass | State |
| 2023-12-18 | AUGUSTA-PEBBLE BEACH COMPRESSOR STATION (PRONGHORN MIDSTREAM LLC) | JOHNSON COUNTY, Johnson, WY | Pass | State |
| 2023-12-18 | AUGUSTA-PEBBLE BEACH COMPRESSOR STATION (PRONGHORN MIDSTREAM LLC) | JOHNSON COUNTY, Johnson, WY | Pass | State |
| 2023-12-17 | ARKEMA INC | CALVERT CITY, Marshall, KY | Pass | State |
| 2023-12-16 | KRAFT HEINZ FOODS COMPANY | JACKSONVILLE, Duval, FL | Pass | State |
| 2023-12-16 | PAR - REFINERY — high-priority violation on file | KAPOLEI, Honolulu, HI | Fail | State |
| 2023-12-16 | PAR - REFINERY — high-priority violation on file | KAPOLEI, Honolulu, HI | Fail | State |
| 2023-12-16 | TAMARACK MILL LLC | NEW MEADOWS, Adams, ID | Fail | State |
| 2023-12-16 | ARGONNE NATIONAL LABORATORY | LEMONT, DuPage, IL | Pass | State |
| 2023-12-16 | GORGON LGL STATION | MALAGA, Lea, NM | Pass | State |
| 2023-12-16 | NORTHWEST PIPELINE LLC — high-priority violation on file | OREGON CITY, Clackamas, OR | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.