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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register and their stack tests in 2023. It lists 26,911 stack tests recorded nationwide in 2023.