EPA Air · stack tests by year
Air-emissions stack tests in 2022
- 29,136Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2022
- California 10,813
- Ohio 2,355
- Indiana 1,925
- Florida 1,564
- Oklahoma 1,350
- Georgia 1,096
- New Mexico 981
- Pennsylvania 830
- Alabama 630
- Mississippi 577
- Arkansas 562
- Colorado 460
- Iowa 434
- Missouri 359
- Texas 288
- Michigan 288
- Wisconsin 262
- Washington 260
- North Carolina 252
- Kentucky 245
- Wyoming 241
- Minnesota 236
- South Carolina 228
- West Virginia 210
- Delaware 209
- Utah 162
- Montana 155
- Nebraska 143
- Nevada 137
- Illinois 136
- Tennessee 134
- Louisiana 131
- Alaska 131
- Virginia 126
- Maine 116
- Connecticut 115
- Arizona 114
- New York 113
- North Dakota 110
- New Jersey 104
- Idaho 99
- Hawaii 69
- District of Columbia 60
- South Dakota 55
- Maryland 52
- Oregon 49
- New Hampshire 48
- Puerto Rico 39
- Kansas 37
- Rhode Island 23
- Massachusetts 19
- Vermont 4
Other years
Air-emissions stack tests recorded in 2022
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2022-09-20 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2022-09-20 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2022-09-20 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2022-09-20 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2022-09-20 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2022-09-20 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2022-09-20 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2022-09-20 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2022-09-20 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2022-09-20 | SOUTHERN CALIF GAS CO | MARICOPA, Kern, CA | Pass | Local |
| 2022-09-20 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2022-09-20 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2022-09-20 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2022-09-20 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2022-09-20 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2022-09-20 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2022-09-20 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2022-09-20 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2022-09-20 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2022-09-20 | FOAM FABRICATORS | MODESTO, Stanislaus, CA | Pass | Local |
| 2022-09-20 | PORCELEN SPECRAIL LTD CT LLC — high-priority violation on file | HAMDEN, New Haven, CT | Pass | State |
| 2022-09-20 | YALE UNIVERSITY, SCHOOL OF MEDICINE PREMISES | NEW HAVEN, New Haven, CT | Pass | State |
| 2022-09-20 | YALE UNIVERSITY, SCHOOL OF MEDICINE PREMISES | NEW HAVEN, New Haven, CT | Pass | State |
| 2022-09-20 | ORLANDO UTILITIES COMMISSION (OUC) | TITUSVILLE, Brevard, FL | Pass | State |
| 2022-09-20 | ORLANDO UTILITIES COMMISSION (OUC) | TITUSVILLE, Brevard, FL | Pass | State |
| 2022-09-20 | FLORIDA POWER & LIGHT COMPANY | PENSACOLA, Escambia, FL | Pass | State |
| 2022-09-20 | BUCKEYE SE TERMINALS LP - ALBANY II | ALBANY, Dougherty, GA | Pass | State |
| 2022-09-20 | UNIVERSITY OF NORTHERN IOWA | CEDAR FALLS, Black Hawk, IA | Pass | State |
| 2022-09-20 | GRAIN PROCESSING CORP — high-priority violation on file | MUSCATINE, Muscatine, IA | Pass | State |
| 2022-09-20 | GRAIN PROCESSING CORP — high-priority violation on file | MUSCATINE, Muscatine, IA | Pass | State |
| 2022-09-20 | NATIONAL GYPSUM CO-DIV OF GOLD BOND BLDG | FORT DODGE, Webster, IA | Pass | State |
| 2022-09-20 | INDUSTRIAL ENERGY APPLICATIONS | CEDAR RAPIDS, Linn, IA | Pass | Local |
| 2022-09-20 | ITAFOS CONDA LLC - TV FACILITY | SODA SPRINGS, Caribou, ID | Pass | State |
| 2022-09-20 | AVAIL VALLEY CONSTRUCTION-ID 00433 | VICTOR, Teton, ID | Pass | State |
| 2022-09-20 | KINDER MORGAN LIQUID TERMINALS LP | SUMMIT, Cook, IL | Pass | State |
| 2022-09-20 | NICOR GAS | HUDSON, McLean, IL | Pass | State |
| 2022-09-20 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-20 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-20 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-20 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-20 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Fail | State |
| 2022-09-20 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-20 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-20 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-20 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-20 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-20 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-20 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-20 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-20 | WAELZ SUSTAINABLE PRODUCTS LLC | LOGANSPORT, Cass, IN | Pass | State |
| 2022-09-20 | ROCHESTER METAL PRODUCTS CORPORATION — high-priority violation on file | ROCHESTER, Fulton, IN | Pass | State |
| 2022-09-20 | ROCHESTER METAL PRODUCTS CORPORATION — high-priority violation on file | ROCHESTER, Fulton, IN | Pass | State |
| 2022-09-20 | ROCHESTER METAL PRODUCTS CORPORATION — high-priority violation on file | ROCHESTER, Fulton, IN | Pass | State |
| 2022-09-20 | ROCHESTER METAL PRODUCTS CORPORATION — high-priority violation on file | ROCHESTER, Fulton, IN | Pass | State |
| 2022-09-20 | ROCHESTER METAL PRODUCTS CORPORATION — high-priority violation on file | ROCHESTER, Fulton, IN | Pass | State |
| 2022-09-20 | ROCHESTER METAL PRODUCTS CORPORATION — high-priority violation on file | ROCHESTER, Fulton, IN | Pass | State |
| 2022-09-20 | DALTON CORPORATION WARSAW MANUFACTURING FACILITY — high-priority violation on file | WARSAW, Kosciusko, IN | Pass | State |
| 2022-09-20 | DALTON CORPORATION WARSAW MANUFACTURING FACILITY — high-priority violation on file | WARSAW, Kosciusko, IN | Pass | State |
| 2022-09-20 | DALTON CORPORATION WARSAW MANUFACTURING FACILITY — high-priority violation on file | WARSAW, Kosciusko, IN | Pass | State |
| 2022-09-20 | HEIDELBERG MATERIALS US CEMENT LLC — high-priority violation on file | MITCHELL, Lawrence, IN | Pass | State |
| 2022-09-20 | DAVIESS COUNTY MUNICIPAL HIGHWAY DEPARTMENT | MONTGOMERY, Daviess, IN | Pass | State |
| 2022-09-20 | DAVIESS COUNTY MUNICIPAL HIGHWAY DEPARTMENT | MONTGOMERY, Daviess, IN | Pass | State |
| 2022-09-20 | DAVIESS COUNTY MUNICIPAL HIGHWAY DEPARTMENT | MONTGOMERY, Daviess, IN | Pass | State |
| 2022-09-20 | DAVIESS COUNTY MUNICIPAL HIGHWAY DEPARTMENT | MONTGOMERY, Daviess, IN | Pass | State |
| 2022-09-20 | KY UTILITIES CO - GHENT STATION | GHENT, Carroll, KY | Pass | State |
| 2022-09-20 | DIVERSIFIED MIDSTREAM LLC - MYRA COMPRESSOR STATION | MYRA, Pike, KY | Pass | State |
| 2022-09-20 | DIVERSIFIED MIDSTREAM LLC - MYRA COMPRESSOR STATION | MYRA, Pike, KY | Pass | State |
| 2022-09-20 | INDUSTRIAL CONTAINER SERVICES-KY, LLC | LOUISVILLE, Jefferson, KY | Fail | Local |
| 2022-09-20 | ECO MAINE | PORTLAND, Cumberland, ME | Pass | State |
| 2022-09-20 | WASTE MANAGEMENT DISPOSAL SERVICES OF MAINE, INC. — high-priority violation on file | NORRIDGEWOCK, Somerset, ME | Pass | State |
| 2022-09-20 | XNG(MAINE) LLC | ELIOT, York, ME | Pass | State |
| 2022-09-20 | U S STEEL GREAT LAKES WORKS — high-priority violation on file | ECORSE, Wayne, MI | Fail | State |
| 2022-09-20 | LANSING BOARD OF WATER & LIGHT - ERICKSON STATION | LANSING, Eaton, MI | Pass | State |
| 2022-09-20 | LOUISIANA-PACIFIC CORP SAGOLA PLANT | SAGOLA, Dickinson, MI | Pass | State |
| 2022-09-20 | KNIFE RIVER CENTRAL MINNESOTA | SAUK RAPIDS, Benton, MN | Pass | State |
| 2022-09-20 | MINNESOTA POWER - BOSWELL ENERGY CENTER | COHASSET, Itasca, MN | Pass | State |
| 2022-09-20 | CHEMOURS COMPANY FC LLC THE, DELISLE PLANT | PASS CHRISTI, Harrison, MS | Pass | State |
| 2022-09-20 | CHEMOURS COMPANY FC LLC THE, DELISLE PLANT | PASS CHRISTI, Harrison, MS | Pass | State |
| 2022-09-20 | CHEMOURS COMPANY FC LLC THE, DELISLE PLANT | PASS CHRISTI, Harrison, MS | Pass | State |
| 2022-09-20 | CHUCK'S CONSTRUCTION MINE | CALABASH, Brunswick, NC | Pending | State |
| 2022-09-20 | HARRISON CONSTRUCTION DIVISION OF APAC-ATLANTIC, INC. | WAYNESVILLE, Haywood, NC | Pass | State |
| 2022-09-20 | US SPACE FORCE - CAVALIER SPACE FORCE STATION - AQ | CAVALIER, Pembina, ND | Pass | State |
| 2022-09-20 | XTO - LOS DOS MEDANOS TANK BATTERY | MALAGA, Eddy, NM | Pass | State |
| 2022-09-20 | SALADO DRAW COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2022-09-20 | BRININSTOOL COMPRESSOR STATION | EUNICE, Lea, NM | Pass | State |
| 2022-09-20 | BRININSTOOL COMPRESSOR STATION | EUNICE, Lea, NM | Pass | State |
| 2022-09-20 | ALAMO COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2022-09-20 | GARFIELD BOOSTER STATION | LOVING, Lea, NM | Pass | State |
| 2022-09-20 | GARFIELD BOOSTER STATION | LOVING, Lea, NM | Pass | State |
| 2022-09-20 | W. H. SAMMIS PLANT | STRATTON, Jefferson, OH | Pass | State |
| 2022-09-20 | W. H. SAMMIS PLANT | STRATTON, Jefferson, OH | Pass | State |
| 2022-09-20 | W. H. SAMMIS PLANT | STRATTON, Jefferson, OH | Pass | State |
| 2022-09-20 | PRIMARY PRODUCTS INGREDIENTS AMERICAS, LLC. | DAYTON, Montgomery, OH | Pass | State |
| 2022-09-20 | PRIMARY PRODUCTS INGREDIENTS AMERICAS, LLC. | DAYTON, Montgomery, OH | Pass | State |
| 2022-09-20 | PRIMARY PRODUCTS INGREDIENTS AMERICAS, LLC. | DAYTON, Montgomery, OH | Pass | State |
| 2022-09-20 | PRIMARY PRODUCTS INGREDIENTS AMERICAS, LLC. | DAYTON, Montgomery, OH | Pass | State |
| 2022-09-20 | THE MEDICAL CENTER COMPANY | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2022-09-20 | THE MEDICAL CENTER COMPANY | CLEVELAND, Cuyahoga, OH | Pass | State |
| 2022-09-20 | ONEOK FIELD SERVICES CO LLC / WARD COMPRESSOR STATION NORTHERN ROWS | GEARY, Canadian, OK | Pass | State |
| 2022-09-20 | TALL OAK WOODFORD LLC / PANTHER CREEK PROCESSING FACILITY | COALGATE, Coal, OK | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.