EPA Air · stack tests by year
Air-emissions stack tests in 2020
- 33,437Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2020
- California 15,352
- Ohio 2,194
- Florida 1,532
- Oklahoma 1,517
- Indiana 1,473
- Georgia 1,147
- New Mexico 846
- Pennsylvania 725
- Alabama 674
- Texas 617
- Missouri 607
- Arkansas 589
- Mississippi 438
- Colorado 429
- Washington 407
- Iowa 355
- North Carolina 274
- Wyoming 235
- Wisconsin 229
- Michigan 222
- South Carolina 221
- Montana 217
- Minnesota 213
- Delaware 211
- Kentucky 184
- West Virginia 175
- Utah 158
- Tennessee 149
- Kansas 144
- Nebraska 142
- Alaska 141
- Maine 136
- Nevada 134
- Virginia 132
- Illinois 129
- North Dakota 129
- New Jersey 122
- Connecticut 110
- Arizona 97
- New York 93
- Hawaii 84
- Louisiana 83
- Idaho 81
- New Hampshire 72
- Maryland 46
- South Dakota 46
- Oregon 39
- Rhode Island 30
- District of Columbia 30
- Vermont 17
- Massachusetts 7
- Puerto Rico 3
Other years
Air-emissions stack tests recorded in 2020
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2020-09-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-10 | CHEVRON USA INC- HEAVY OIL — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-09-10 | PUBLIC SERV - ROCKY MOUNTAIN ENERGY | HUDSON AREA, Weld, CO | Pass | State |
| 2020-09-10 | DCP OPERATING CO - CROSSROADS FACILITY | KERSEY 5.0 MI. N OF, Weld, CO | Pass | State |
| 2020-09-10 | DCP OPERATING CO - CROSSROADS FACILITY | KERSEY 5.0 MI. N OF, Weld, CO | Pass | State |
| 2020-09-10 | KERR MCGEE - MUSTANG 12-26 PROD FACILITY | KERSEY 9.1 MI. N OF, Weld, CO | Pass | State |
| 2020-09-10 | KERR MCGEE - MUSTANG 12-26 PROD FACILITY | KERSEY 9.1 MI. N OF, Weld, CO | Pass | State |
| 2020-09-10 | KERR MCGEE - MUSTANG 12-26 PROD FACILITY | KERSEY 9.1 MI. N OF, Weld, CO | Pass | State |
| 2020-09-10 | RAYONIER PERFORMANCE FIBERS, LLC | FERNANDINA BEACH, Nassau, FL | Pass | State |
| 2020-09-10 | RAYONIER PERFORMANCE FIBERS, LLC | FERNANDINA BEACH, Nassau, FL | Pass | State |
| 2020-09-10 | RAYONIER PERFORMANCE FIBERS, LLC | FERNANDINA BEACH, Nassau, FL | Pass | State |
| 2020-09-10 | CERTAINTEED GYPSUM PALATKA, LLC | PALATKA, Putnam, FL | Pass | State |
| 2020-09-10 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2020-09-10 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2020-09-10 | INTERNATIONAL PAPER COMPANY - ROME MILL | ROME, Floyd, GA | Pass | State |
| 2020-09-10 | PAR - REFINERY — high-priority violation on file | KAPOLEI, Honolulu, HI | Pass | State |
| 2020-09-10 | TEMPLETON RYE SPIRITS, LLC — high-priority violation on file | TEMPLETON, Carroll, IA | Pass | State |
| 2020-09-10 | TEMPLETON RYE SPIRITS, LLC — high-priority violation on file | TEMPLETON, Carroll, IA | Pass | State |
| 2020-09-10 | BWAY CORP | CHICAGO, Cook, IL | Pass | State |
| 2020-09-10 | ROCHESTER METAL PRODUCTS CORPORATION — high-priority violation on file | ROCHESTER, Fulton, IN | Pass | State |
| 2020-09-10 | MGPI PROCESSING (AIR) | ATCHISON, Atchison, KS | Pass | State |
| 2020-09-10 | CITY OF WAMEGO PUBLIC WORKS (AIR CURT COMB)(AIR) | WAMEGO, Pottawatomie, KS | Pass | State |
| 2020-09-10 | ENLINK LIG LLC - COLUMBIA GULF COMPRESSOR STATION | ST. LANDRY, Evangeline, LA | Pass | State |
| 2020-09-10 | ND PAPER INC. | RUMFORD, Oxford, ME | Pass | State |
| 2020-09-10 | PIKE INDUSTRIES, INC. | NEWRY, Oxford, ME | Pass | State |
| 2020-09-10 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | CHINA, St. Clair, MI | Pass | State |
| 2020-09-10 | FLINT HILLS RESOURCES PINE BEND REFINERY | ROSEMOUNT, Dakota, MN | Pass | State |
| 2020-09-10 | HANSON CUSTOM CRUSHING INC - NM | FOREST LAKE, Washington, MN | Pass | State |
| 2020-09-10 | DUININCK BROS INC - PORT PLANT 7 | PRINSBURG, Kandiyohi, MN | Fail | State |
| 2020-09-10 | RIVER CEMENT CO. DBA BUZZI UNICEM USA SELMA PLANT | FESTUS, Jefferson, MO | Pass | State |
| 2020-09-10 | ARDAGH GLASS INC. | PEVELY, Jefferson, MO | Pending | State |
| 2020-09-10 | NEW MADRID POWER PLANT-ASSOC ELEC COOP | MARSTON, New Madrid, MO | Pending | State |
| 2020-09-10 | MAGNITUDE 7 METALS, LLC | MARSTON, New Madrid, MO | Pending | State |
| 2020-09-10 | CONCORD ENERGY, LLC | CONCORD, Cabarrus, NC | Pass | State |
| 2020-09-10 | BEATRICE NITROGEN PLANT | BEATRICE, Gage, NE | N/A | State |
| 2020-09-10 | GREEN PLAINS CENTRAL CITY LLC — high-priority violation on file | CENTRAL CITY, Merrick, NE | N/A | State |
| 2020-09-10 | JOHNSON MATTHEY INC | WEST DEPTFORD, TOWNSHIP OF, Gloucester, NJ | Pass | State |
| 2020-09-10 | EAGLE SPRINGS REFINERY | ELY, Nye, NV | Fail | State |
| 2020-09-10 | KOKOSING MATERIALS INC - PLANT 505 — high-priority violation on file | FREDERICKTOWN, Knox, OH | Pass | State |
| 2020-09-10 | KOKOSING MATERIALS INC - PLANT 505 — high-priority violation on file | FREDERICKTOWN, Knox, OH | Pass | State |
| 2020-09-10 | KOKOSING MATERIALS INC - PLANT 505 — high-priority violation on file | FREDERICKTOWN, Knox, OH | Pass | State |
| 2020-09-10 | KOKOSING MATERIALS INC - PLANT 505 — high-priority violation on file | FREDERICKTOWN, Knox, OH | Fail | State |
| 2020-09-10 | KOKOSING MATERIALS INC - PLANT 505 — high-priority violation on file | FREDERICKTOWN, Knox, OH | Fail | State |
| 2020-09-10 | WILLIAMS - SALEM COMPRESSOR STATION | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2020-09-10 | WILLIAMS - SALEM COMPRESSOR STATION | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2020-09-10 | WILLIAMS - SALEM COMPRESSOR STATION | BLOOMINGDALE, Jefferson, OH | Pass | State |
| 2020-09-10 | CLEVELAND-CLIFFS STEEL CORPORATION — high-priority violation on file | MIDDLETOWN, Butler, OH | Pass | State |
| 2020-09-10 | CLEVELAND-CLIFFS STEEL CORPORATION — high-priority violation on file | MIDDLETOWN, Butler, OH | Pass | State |
| 2020-09-10 | CINCINNATI RENEWABLE FUELS, LLC | CINCINNATI, Hamilton, OH | Pass | State |
| 2020-09-10 | MASSILLON ASPHALT COMPANY | MASSILLON, Stark, OH | Pass | State |
| 2020-09-10 | MASSILLON ASPHALT COMPANY | MASSILLON, Stark, OH | Pass | State |
| 2020-09-10 | ONEOK FIELD SERVICES CO LLC / REDTAIL COMPRESSOR STATION | LINDSAY, Garvin, OK | Pass | State |
| 2020-09-10 | MARKWEST OKLAHOMA GAS CO LLC / NEWMAN COMPRESSOR STATION | MCALESTER, Pittsburg, OK | Pass | State |
| 2020-09-10 | DCP OPERATING CO LP / SHOLEM GAS PLANT | VELMA, Stephens, OK | Pass | State |
| 2020-09-10 | GEORGIA-PACIFIC WAUNA LLC — high-priority violation on file | CLATSKANIE, Clatsop, OR | Pass | State |
| 2020-09-10 | COLUMBIA GAS TRANS CORP/FORKS TWP FAC EASTON CTA | EASTON, Northampton, PA | Pass | State |
| 2020-09-10 | ENERGY TRANSFER MKT & TERM LP/TWIN OAKS TERM | ASTON, Delaware, PA | Pass | State |
| 2020-09-10 | COLUMBIA GAS TRANS CORP/WAYNESBURG COMP STA | WAYNESBURG, Greene, PA | Pass | State |
| 2020-09-10 | LAUREL MTN MIDSTREAM OPR LLC/DUNBAR COMP STA | DUNBAR, Fayette, PA | Pass | State |
| 2020-09-10 | UGI TEXAS CREEK LLC/LOVELL COMP STA | ROARING BRANCH, Tioga, PA | Pass | State |
| 2020-09-10 | SUPERIOR APPALACHIAN PIPELINE/FRAZER | PENNSYLVANIA, Undetermined, PA | Pass | Local |
| 2020-09-10 | HM SOUTHEAST CEMENT LLC | HARLEYVILLE, Dorchester, SC | Pass | State |
| 2020-09-10 | PETE LIEN & SONS, INC. MAIN PLANT | RAPID CITY, Pennington, SD | Pass | State |
| 2020-09-10 | CRUCIBLE ZINC, LLC — high-priority violation on file | CLARKSVILLE, Montgomery, TN | Pass | State |
| 2020-09-10 | NOVELIS ARP ROLLED PRODUCTS INC | RICHMOND, Chesterfield, VA | Pass | State |
| 2020-09-10 | PIKE INDUSTRIES INC (BERLIN) | BERLIN, Washington, VT | Pass | State |
| 2020-09-10 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2020-09-10 | TESORO REFINING AND MARKETING COMPANY | ANACORTES, Skagit, WA | Pass | Local |
| 2020-09-10 | CITY OF VANCOUVER / WESTSIDE WASTEWATER TREATMENT PLANT — high-priority violation on file | VANCOUVER, Clark, WA | Pending | Local |
| 2020-09-10 | DIVERSIFIED MIDSTREAM LLC, BROWNING FORK STATION | GILBERT, Logan, WV | Pass | State |
| 2020-09-10 | HANSEN LAKE COMPRESSOR STATION (WILLIAMS FIELD SERVICES CO.) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2020-09-10 | T55 COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2020-09-09 | INTERNATIONAL PAPER COMPANY — high-priority violation on file | SELMA, Dallas, AL | Pass | State |
| 2020-09-09 | INTERNATIONAL PAPER COMPANY — high-priority violation on file | SELMA, Dallas, AL | 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 with stack tests in 2020. It lists 33,437 stack tests recorded nationwide in 2020.