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 |
|---|---|---|---|---|
| 2022-08-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-08-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-08-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-08-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-08-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-08-08 | LINN OPERATING INC — high-priority violation on file | TAFT, Kern, CA | Pass | Local |
| 2022-08-08 | O & G INDUSTRIES - BRIDGEPORT PLANT — high-priority violation on file | BRIDGEPORT, Fairfield, CT | Pass | State |
| 2022-08-08 | ATLANTA GAS LIGHT CO. — high-priority violation on file | BALL GROUND, Cherokee, GA | Pass | State |
| 2022-08-08 | ATLANTA GAS LIGHT CO. — high-priority violation on file | BALL GROUND, Cherokee, GA | Pass | State |
| 2022-08-08 | KY UTILITIES CO - BROWN STATION | HARRODSBURG, Mercer, KY | Pass | State |
| 2022-08-08 | SABINE PASS LNG LP AND SABINE PASS LIQUEFACTION LLC - SABINE PASS LNG TERMINAL | CAMERON, Cameron, LA | Pass | State |
| 2022-08-08 | RAVEN POWER FORT SMALLWOOD LLC | CURTIS BAY, Anne Arundel, MD | Pass | State |
| 2022-08-08 | LACKS ENTERPRISES, INC. — high-priority violation on file | GRAND RAPIDS, Kent, MI | Pass | State |
| 2022-08-08 | DTE GAS COMPANY - WILLOW RUN COMPRESSOR STATION | YPSILANTI, Washtenaw, MI | Pass | State |
| 2022-08-08 | WEYERHAEUSER-CFALLS — high-priority violation on file | COLUMBIA FALLS, Flathead, MT | Pass | State |
| 2022-08-08 | BERTRAND COMPRESSOR STATION | LOOMIS, Phelps, NE | Pass | State |
| 2022-08-08 | NPPD SHELDON STATION | HALLAM, Lancaster, NE | Pass | Local |
| 2022-08-08 | FW MIDCON I LLC / QUINTLE 5 6 10 3XHM | OMEGA, Blaine, OK | Pass | State |
| 2022-08-08 | CONTINENTAL RESOURCES / RCL 3 19 30 31XHW RCL 4 19 30 31XHW | PURDY, Garvin, OK | Pass | State |
| 2022-08-08 | FW MIDCON I LLC / ROSIA 1H 18X | OMEGA, Kingfisher, OK | Pass | State |
| 2022-08-08 | ET GATHERING PROCESSING LLC / VANARKEL COMPRESSOR STATION | BRAY, Stephens, OK | Pass | State |
| 2022-08-08 | ET GATHERING PROCESSING LLC / VANARKEL COMPRESSOR STATION | BRAY, Stephens, OK | Pass | State |
| 2022-08-08 | ET GATHERING PROCESSING LLC / VANARKEL COMPRESSOR STATION | BRAY, Stephens, OK | Pass | State |
| 2022-08-08 | MARKWEST LIBERTY MIDSTREAM/WELLING COMP STA | CLAYSVILLE, Washington, PA | Pass | State |
| 2022-08-08 | UGI MORAINE EAST GATHERING LLC/RENICK COMP STA | WEST SUNBURY, Butler, PA | Pass | State |
| 2022-08-08 | KEMP COMPRESSOR STATION | WEATHERFORD, Parker, TX | Pass | State |
| 2022-08-08 | INTERSTATE BRICK | WEST JORDAN, Salt Lake, UT | Pass | State |
| 2022-08-08 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2022-08-07 | SALT RIVER PROJECT - AGUA FRIA GENERATING STATION | MARICOPA COUNTY, Maricopa, AZ | Pass | Local |
| 2022-08-06 | ARCONIC US LLC/LANCASTER — high-priority violation on file | LANCASTER, Lancaster, PA | Pass | State |
| 2022-08-05 | GEORGIA PACIFIC | PENNINGTON, Choctaw, AL | Pass | State |
| 2022-08-05 | GEORGIA PACIFIC | PENNINGTON, Choctaw, AL | Pass | State |
| 2022-08-05 | BOISE WHITE PAPER LLC | JACKSON, Clarke, AL | Pass | State |
| 2022-08-05 | EMERY SAPP AND SONS, INC. - SONORA ASPHALT PLANT | SPRINGDALE, Washington, AR | Pass | State |
| 2022-08-05 | CALIFORNIA DAIRIES, INC. | FRESNO, Fresno, CA | Pass | Local |
| 2022-08-05 | CALIFORNIA DAIRIES, INC. | FRESNO, Fresno, CA | Pass | Local |
| 2022-08-05 | CALIFORNIA DAIRIES, INC. | FRESNO, Fresno, CA | Pass | Local |
| 2022-08-05 | CALIFORNIA DAIRIES, INC. | FRESNO, Fresno, CA | Pass | Local |
| 2022-08-05 | CALIFORNIA DAIRIES, INC. | FRESNO, Fresno, CA | Pass | Local |
| 2022-08-05 | CALIFORNIA DAIRIES, INC. | FRESNO, Fresno, CA | Pass | Local |
| 2022-08-05 | VERDAD RESOURCES - SONIC STAR 1101 PAD | RAYMER (NEW RAYMER) 11.0 MI. N, Weld, CO | Pass | State |
| 2022-08-05 | FLORIDA POWER & LIGHT COMPANY | PENSACOLA, Escambia, FL | Pass | State |
| 2022-08-05 | POET BIOREFINING - SHELL ROCK, LLC — high-priority violation on file | SHELL ROCK, Butler, IA | Pass | State |
| 2022-08-05 | UNIVERSITY OF IOWA | IOWA CITY, Johnson, IA | Pass | State |
| 2022-08-05 | UNIVERSITY OF IOWA | IOWA CITY, Johnson, IA | Pass | State |
| 2022-08-05 | C & D TECHNOLOGIES INC | ATTICA, Fountain, IN | Pass | State |
| 2022-08-05 | SABINE PASS LNG LP AND SABINE PASS LIQUEFACTION LLC - SABINE PASS LNG TERMINAL | CAMERON, Cameron, LA | Pass | State |
| 2022-08-05 | HERON LAKE BIOENERGY LLC | HERON LAKE, Jackson, MN | Pass | State |
| 2022-08-05 | DENTON RAWHIDE MINE | HAWTHORNE, Mineral, NV | Pass | State |
| 2022-08-05 | CERTAINTEED LLC | MILAN, Erie, OH | Pass | State |
| 2022-08-05 | FAIRBORN CEMENT COMPANY LLC | XENIA, Greene, OH | Pass | State |
| 2022-08-05 | FAIRBORN CEMENT COMPANY LLC | XENIA, Greene, OH | Pass | State |
| 2022-08-05 | ET GATHERING PROCESSING LLC / MORRIS COMPRESSOR STATION | BRADLEY, Grady, OK | Pass | State |
| 2022-08-05 | ET GATHERING PROCESSING LLC / MORRIS COMPRESSOR STATION | BRADLEY, Grady, OK | Pass | State |
| 2022-08-05 | ET GATHERING PROCESSING LLC / MORRIS COMPRESSOR STATION | BRADLEY, Grady, OK | Pass | State |
| 2022-08-05 | ET GATHERING PROCESSING LLC / MIDDLEBERG COMPRESSOR STATION | BLANCHARD, Grady, OK | Pass | State |
| 2022-08-05 | BRIDGEPORT GAS PLANT | BRIDGEPORT, Wise, TX | Pass | State |
| 2022-08-05 | CHARTER STEEL | SAUKVILLE, Ozaukee, WI | Pass | State |
| 2022-08-05 | COLUMBIA GAS TRANSMISSION, LLC, GLENVILLE | TRUEBADA, Gilmer, WV | Pass | State |
| 2022-08-04 | TARGA- CLARK'S CREEK COMPRESSOR STATION | KEENE, McKenzie, ND | Pass | U.S. EPA |
| 2022-08-04 | CONOCOPHILLIPS ALASKA, INC. / CPF 1, KUPARUK CENTRAL PRODUCTION FACIL | NORTH SLOPE BOROUGH, North Slope, AK | Pass | State |
| 2022-08-04 | GEORGIA PACIFIC | PENNINGTON, Choctaw, AL | Pass | State |
| 2022-08-04 | BOISE WHITE PAPER LLC | JACKSON, Clarke, AL | Pass | State |
| 2022-08-04 | BOISE WHITE PAPER LLC | JACKSON, Clarke, AL | Pass | State |
| 2022-08-04 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | WADLEY, Randolph, AL | Pass | State |
| 2022-08-04 | ENABLE GAS TRANSMISSION, LLC - SEARCY COMPRESSOR STATION | LETONA, White, AR | Pass | State |
| 2022-08-04 | ENABLE GAS TRANSMISSION, LLC - SEARCY COMPRESSOR STATION | LETONA, White, AR | Pass | State |
| 2022-08-04 | TESORO REFINING & MARKETING CO, LLC — high-priority violation on file | CARSON, Los Angeles, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
| 2022-08-04 | CALIFORNIA RESOURCES PRODUCTION CORP | LEMOORE, Kings, CA | Pass | Local |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.