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 |
|---|---|---|---|---|
| 2022-12-13 | ASCENT RESOURCES - UTICA LLC - TRUCHAN NE WHL BL | SAINT CLAIRSVILLE, Belmont, OH | Pass | State |
| 2022-12-13 | ASPIRE ENERGY UTICA PROCESSING SITE | CAMBRIDGE, Guernsey, OH | Pass | State |
| 2022-12-13 | ASPIRE ENERGY UTICA PROCESSING SITE | CAMBRIDGE, Guernsey, OH | Pass | State |
| 2022-12-13 | ASPIRE ENERGY UTICA PROCESSING SITE | CAMBRIDGE, Guernsey, OH | Pass | State |
| 2022-12-13 | INEOS ABS (USA) CORPORATION — high-priority violation on file | ADDYSTON, Hamilton, OH | Pass | State |
| 2022-12-13 | MARKWEST PIONEER LLC / MIDLINE COMPRESSOR STATION | TUSHKA, Atoka, OK | Pass | State |
| 2022-12-13 | ET GATHERING PROCESSING LLC / HAYSTACK COMPRESSOR STATION | WATONGA, Blaine, OK | Pass | State |
| 2022-12-13 | ET GATHERING PROCESSING LLC / HAYSTACK COMPRESSOR STATION | WATONGA, Blaine, OK | Pass | State |
| 2022-12-13 | TARGA PIPELINE MIDCONTINENT LLC / BRAWLEY COMPRESSOR STATION | LINDSAY, Garvin, OK | Pass | State |
| 2022-12-13 | TARGA PIPELINE MIDCONTINENT LLC / BRAWLEY COMPRESSOR STATION | LINDSAY, Garvin, OK | Pass | State |
| 2022-12-13 | ET GATHERING PROCESSING LLC / FRISCO COMPRESSOR STATION | CHICKASHA, Grady, OK | Pass | State |
| 2022-12-13 | ET GATHERING PROCESSING LLC / FRISCO COMPRESSOR STATION | CHICKASHA, Grady, OK | Pass | State |
| 2022-12-13 | IRON HORSE MIDSTREAM LLC / SILVER PIGEON COMPRESSOR STATION | NINNEKAH, Grady, OK | Pass | State |
| 2022-12-13 | BOISE CASCADE WOOD PRODUCTS, LLC — high-priority violation on file | CHESTER, Chester, SC | Pass | State |
| 2022-12-13 | RENEWABLE WATER RESOURCES (REWA) - MAULDIN ROAD | GREENVILLE, Greenville, SC | Pass | State |
| 2022-12-13 | VOLKSWAGEN GROUP OF AMERICA, INC. | CHATTANOOGA, Hamilton, TN | Pass | Local |
| 2022-12-13 | VOLKSWAGEN GROUP OF AMERICA, INC. | CHATTANOOGA, Hamilton, TN | Pass | Local |
| 2022-12-13 | PACIFICORP HUNTER | UTAH, Undetermined, UT | Pass | State |
| 2022-12-13 | VAUGHAN-BASSETT FURNITURE COMPANY | GALAX, Galax (city), VA | Pass | State |
| 2022-12-13 | MCKINLEY PAPER AND PACKAGING COMPANY — high-priority violation on file | COMBINED LOCKS, Ozaukee, WI | Pass | State |
| 2022-12-13 | ND PAPER INC - BIRON DIVISION | WISCONSIN RAPIDS, Menominee, WI | Pass | State |
| 2022-12-13 | BLUE RACER MIDSTREAM, LLC, NATRIUM EXTRACTION & FRACTIONA | NATRIUM, Marshall, WV | Pass | State |
| 2022-12-13 | CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file | EVANSVILLE, Natrona, WY | Pass | State |
| 2022-12-13 | GRANGER SODA ASH FACILITY (WE SODA WYOMING LP) | GRANGER, Sweetwater, WY | Pass | State |
| 2022-12-12 | DESOTO GATHERING COMPANY, LLC - YOGI CPF-1 | BEE BRANCH, Van Buren, AR | Pass | State |
| 2022-12-12 | DESOTO GATHERING COMPANY, LLC - NORTH YELLOWSTONE CPF-2 | BEE BRANCH, Van Buren, AR | Pass | State |
| 2022-12-12 | LITHOGRAPHIX INC | HAWTHORNE, Los Angeles, CA | Pass | Local |
| 2022-12-12 | LITHOGRAPHIX INC | HAWTHORNE, Los Angeles, CA | Pass | Local |
| 2022-12-12 | LITHOGRAPHIX INC | HAWTHORNE, Los Angeles, CA | Pass | Local |
| 2022-12-12 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-12-12 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-12-12 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-12-12 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-12-12 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-12-12 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-12-12 | CHEVRON USA_(FORMERLY MIDWAY SUNSET OIL) — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-12-12 | SUNCOR ENERGY - DENVER REFINERY — high-priority violation on file | COMMERCE CITY, Adams, CO | Pass | State |
| 2022-12-12 | COVIDIEN LP | NORTH HAVEN, New Haven, CT | Pass | State |
| 2022-12-12 | PREFERRED MATERIALS, INC. | KISSIMMEE, Osceola, FL | Pass | State |
| 2022-12-12 | SUWANNEE AMERICAN CEMENT COMPANY, LLC. | SUMTERVILLE, Sumter, FL | Pass | State |
| 2022-12-12 | SUWANNEE AMERICAN CEMENT COMPANY, LLC. | SUMTERVILLE, Sumter, FL | Pass | State |
| 2022-12-12 | SUWANNEE AMERICAN CEMENT COMPANY, LLC. | SUMTERVILLE, Sumter, FL | Pass | State |
| 2022-12-12 | SUWANNEE AMERICAN CEMENT COMPANY, LLC. | SUMTERVILLE, Sumter, FL | Pass | State |
| 2022-12-12 | CENTURY ALUMINUM SEBREE LLC | ROBARDS, Henderson, KY | Fail | State |
| 2022-12-12 | GOPHER RESOURCE LLC | EAGAN, Dakota, MN | N/A | State |
| 2022-12-12 | YELLOWSTONE POWER PLANT — high-priority violation on file | BILLINGS, Yellowstone, MT | Pass | State |
| 2022-12-12 | VIRIDIS CHEMICAL | COLUMBUS, Platte, NE | N/A | State |
| 2022-12-12 | MARKWEST PIONEER LLC / MIDLINE COMPRESSOR STATION | TUSHKA, Atoka, OK | Pass | State |
| 2022-12-12 | MARKWEST PIONEER LLC / MIDLINE COMPRESSOR STATION | TUSHKA, Atoka, OK | Pass | State |
| 2022-12-12 | IRON HORSE MIDSTREAM LLC / CRUSADER COMPRESSOR STATION | EL RENO, Canadian, OK | Pass | State |
| 2022-12-12 | BCE MACH III MIDSTREAM HOLDINGS LLC / ELMORE CITY GAS PLANT — high-priority violation on file | ELMORE CITY, Garvin, OK | Fail | State |
| 2022-12-12 | BCE MACH III MIDSTREAM HOLDINGS LLC / ELMORE CITY GAS PLANT — high-priority violation on file | ELMORE CITY, Garvin, OK | Pass | State |
| 2022-12-12 | GEORGIA-PACIFIC WAUNA LLC — high-priority violation on file | CLATSKANIE, Clatsop, OR | Pass | State |
| 2022-12-12 | TRANSCONTINENTAL GAS/BEAR CREEK STA 515 | BEAR CREEK, Luzerne, PA | Pass | State |
| 2022-12-12 | TEXAS EASTERN TRANS LP/ENTRIKEN STA | ENTRIKEN, Huntingdon, PA | Pass | State |
| 2022-12-12 | DIVERSIFIED PROD//LYNN ROBBINS COMP STA | OLANTA, Clearfield, PA | Pass | State |
| 2022-12-12 | SHELL CHEM APPALACHIA/SHELL POLYMERS MONACA — high-priority violation on file | MONACA, Beaver, PA | Pass | State |
| 2022-12-12 | HF SINCLAIR PARCO REFINING LLC — high-priority violation on file | SINCLAIR, Carbon, WY | Pass | State |
| 2022-12-11 | BAY STATE MILLING CO | INDIANTOWN, Martin, FL | Pass | State |
| 2022-12-11 | BAY STATE MILLING CO | INDIANTOWN, Martin, FL | Pass | State |
| 2022-12-11 | BAY STATE MILLING CO | INDIANTOWN, Martin, FL | Fail | State |
| 2022-12-11 | BAY STATE MILLING CO | INDIANTOWN, Martin, FL | Pass | State |
| 2022-12-11 | BAY STATE MILLING CO | INDIANTOWN, Martin, FL | Pass | State |
| 2022-12-11 | BAY STATE MILLING CO | INDIANTOWN, Martin, FL | Pass | State |
| 2022-12-11 | BAY STATE MILLING CO | INDIANTOWN, Martin, FL | Pass | State |
| 2022-12-11 | BAY STATE MILLING CO | INDIANTOWN, Martin, FL | Pass | State |
| 2022-12-10 | HILCORP ALASKA, LLC / KENAI GAS FIELD PAD 34-31 | KENAI, Kenai Peninsula, AK | Pass | State |
| 2022-12-10 | BAY STATE MILLING CO | INDIANTOWN, Martin, FL | Pass | State |
| 2022-12-10 | BAY STATE MILLING CO | INDIANTOWN, Martin, FL | Pass | State |
| 2022-12-10 | BAY STATE MILLING CO | INDIANTOWN, Martin, FL | Pass | State |
| 2022-12-10 | BAY STATE MILLING CO | INDIANTOWN, Martin, FL | Fail | State |
| 2022-12-10 | BAY STATE MILLING CO | INDIANTOWN, Martin, FL | Pass | State |
| 2022-12-10 | BAY STATE MILLING CO | INDIANTOWN, Martin, FL | Pass | State |
| 2022-12-10 | TEXAS EASTERN TRANS LP/HOLBROOK STA | WIND RIDGE, Greene, PA | Pass | State |
| 2022-12-10 | OLDCASTLE BUILDING ENVELOPE, INC — high-priority violation on file | MIDWAY, Greene, TN | Pass | State |
| 2022-12-09 | HILCORP ALASKA, LLC / KENAI GAS FIELD PAD 34-31 | KENAI, Kenai Peninsula, AK | Pass | State |
| 2022-12-09 | NUCOR STEEL BIRMINGHAM,INC. | BIRMINGHAM, Jefferson, AL | Pass | Local |
| 2022-12-09 | DESOTO GATHERING COMPANY, LLC - PHILLIPS MOUNTAIN CPF-2 | CLEVELAND, Conway, AR | Pass | State |
| 2022-12-09 | DESOTO GATHERING COMPANY LLC - PIKE CPF-1 | HATTIEVILLE, Conway, AR | Pass | State |
| 2022-12-09 | RAZORBACK GATHERING COMPANY, LLC. - HARMONY CPF 1 | SEARCY, White, AR | Pass | State |
| 2022-12-09 | ALTERNATIVE WASTE MANAGEMENT LLC | MAYFLOWER, Faulkner, AR | Pass | State |
| 2022-12-09 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2022-12-09 | CF & I STEEL L.P. DBA EVRAZ ROCKY MTN ST — high-priority violation on file | PUEBLO AREA, Pueblo, CO | Pass | State |
| 2022-12-09 | OLEANDER POWER PROJECT, LP | COCOA, Brevard, FL | Pass | State |
| 2022-12-09 | NEW HOPE POWER COMPANY | SOUTH BAY, Palm Beach, FL | Pass | State |
| 2022-12-09 | NEW HOPE POWER COMPANY | SOUTH BAY, Palm Beach, FL | Pass | State |
| 2022-12-09 | NEW HOPE POWER COMPANY | SOUTH BAY, Palm Beach, FL | Pass | State |
| 2022-12-09 | NEW HOPE POWER COMPANY | SOUTH BAY, Palm Beach, FL | Pass | State |
| 2022-12-09 | NEW HOPE POWER COMPANY | SOUTH BAY, Palm Beach, FL | Pass | State |
| 2022-12-09 | NEW HOPE POWER COMPANY | SOUTH BAY, Palm Beach, FL | Pass | State |
| 2022-12-09 | GA POWER CO. - PLANT BOWEN | CARTERSVILLE, Bartow, GA | Pass | State |
| 2022-12-09 | GA POWER CO. - PLANT SCHERER | JULIETTE, Monroe, GA | Pass | State |
| 2022-12-09 | REED MINERALS LLC | GARY, Lake, IN | Pass | State |
| 2022-12-09 | REED MINERALS LLC | GARY, Lake, IN | Pass | State |
| 2022-12-09 | REED MINERALS LLC | GARY, Lake, IN | Pass | State |
| 2022-12-09 | REED MINERALS LLC | GARY, Lake, IN | Pass | State |
| 2022-12-09 | SAPPI NORTH AMERICA, INC. | SKOWHEGAN, Somerset, ME | Pass | State |
| 2022-12-09 | EVERGY INC -IATAN GENERATING STATION | WESTON, Platte, MO | Pending | State |
| 2022-12-09 | HERRADURA COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2022-12-09 | TS POWER PLANT | DUNPHY, Eureka, NV | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.