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 |
|---|---|---|---|---|
| 2020-10-08 | INTERNATIONAL PAPER - FLINT RIVER MILL | OGLETHORPE, Macon, GA | Pass | State |
| 2020-10-08 | PAR - REFINERY — high-priority violation on file | KAPOLEI, Honolulu, HI | Pass | State |
| 2020-10-08 | INGREDION INCORPORATED | CEDAR RAPIDS, Linn, IA | Pass | Local |
| 2020-10-08 | INGREDION INCORPORATED | CEDAR RAPIDS, Linn, IA | Fail | Local |
| 2020-10-08 | CLEARWATER PAPER CORP-PPD | LEWISTON, Nez Perce, ID | Pass | State |
| 2020-10-08 | FARMERS GRAIN CO OF DORANS | MATTOON, Coles, IL | Pass | State |
| 2020-10-08 | HARRISON STEEL CASTINGS COMPANY — high-priority violation on file | ATTICA, Fountain, IN | Pass | State |
| 2020-10-08 | HARRISON STEEL CASTINGS COMPANY — high-priority violation on file | ATTICA, Fountain, IN | Pass | State |
| 2020-10-08 | HOLLYFRONTIER EL DORADO REFINERY (AIR) | EL DORADO, Butler, KS | Pass | State |
| 2020-10-08 | CLARIANT CORPORATION LOUISVILLE SOUTH PLANT | LOUISVILLE, Jefferson, KY | Pass | Local |
| 2020-10-08 | PHILLIPS 66 PIPELINE COMPANY - JEFFERSON CITY TERMINAL | JEFFERSON CITY, Cole, MO | Pending | State |
| 2020-10-08 | LEAF RIVER CELLULOSE LLC — high-priority violation on file | NEW AUGUSTA, Perry, MS | Pass | State |
| 2020-10-08 | NORTHERN BORDER PIPELINE COMPANY - MANNING COMPRESSOR STATION - AQ | MANNING, Dunn, ND | Pass | State |
| 2020-10-08 | ONEOK ROCKIES MIDSTREAM, L.L.C. - ALEXANDER COMPRESSOR STATION | ALEXANDER, McKenzie, ND | Pending | State |
| 2020-10-08 | NEWARK ASPHALT CORP | NEWARK, Essex, NJ | Pass | State |
| 2020-10-08 | LONGHORN COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2020-10-08 | LONGHORN COMPRESSOR STATION | LOVING, Eddy, NM | Pass | State |
| 2020-10-08 | INR MIDSTREAM, LLC - UPPER HILL COMPRESSOR STATION | SARAHSVILLE, Noble, OH | Pass | State |
| 2020-10-08 | INR MIDSTREAM, LLC - UPPER HILL COMPRESSOR STATION | SARAHSVILLE, Noble, OH | Pass | State |
| 2020-10-08 | INR MIDSTREAM, LLC - UPPER HILL COMPRESSOR STATION | SARAHSVILLE, Noble, OH | Pass | State |
| 2020-10-08 | B-WAY CORPORATION | CINCINNATI, Hamilton, OH | Pass | State |
| 2020-10-08 | B-WAY CORPORATION | CINCINNATI, Hamilton, OH | Pass | State |
| 2020-10-08 | TALL OAK WOODFORD LLC / PANTHER CREEK PROCESSING FACILITY | COALGATE, Coal, OK | Pass | State |
| 2020-10-08 | MARKWEST OKLAHOMA GAS CO LLC / CUSTER STABILIZATION STATION | ARAPAHO, Custer, OK | Pass | State |
| 2020-10-08 | MARKWEST OKLAHOMA GAS CO LLC / CUSTER STABILIZATION STATION | ARAPAHO, Custer, OK | Pass | State |
| 2020-10-08 | ET GATHERING PROCESSING LLC / PURDY COMPRESSOR STATION | PURDY, Garvin, OK | Pass | State |
| 2020-10-08 | ET GATHERING PROCESSING LLC / PURDY COMPRESSOR STATION | PURDY, Garvin, OK | Pass | State |
| 2020-10-08 | ET GATHERING PROCESSING LLC / PURDY COMPRESSOR STATION | PURDY, Garvin, OK | Pass | State |
| 2020-10-08 | ET GATHERING PROCESSING LLC / COMINCO COMPRESSOR STATION | MINCO, Grady, OK | Pass | State |
| 2020-10-08 | ET GATHERING PROCESSING LLC / COMINCO COMPRESSOR STATION | MINCO, Grady, OK | Pass | State |
| 2020-10-08 | ET GATHERING PROCESSING LLC / COMINCO COMPRESSOR STATION | MINCO, Grady, OK | Pass | State |
| 2020-10-08 | BCE MACH III MIDSTREAM HOLDINGS LLC / SOUTH OF LINCOLN COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2020-10-08 | BCE MACH III MIDSTREAM HOLDINGS LLC / SOUTH OF LINCOLN COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2020-10-08 | BCE MACH III MIDSTREAM HOLDINGS LLC / SOUTH OF LINCOLN COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2020-10-08 | EOG RESOURCES INC / CURRY CTB | BLANCHARD, McClain, OK | Pass | State |
| 2020-10-08 | EOG RESOURCES INC / CANDI 231411 1H PRODUCTION FACILITY | BLANCHARD, McClain, OK | Pass | State |
| 2020-10-08 | OG AND E / MUSKOGEE GENERATING STATION — high-priority violation on file | FORT GIBSON, Muskogee, OK | Pass | State |
| 2020-10-08 | ET GATHERING PROCESSING LLC / CHEYENNE COMPRESSOR STATION | CHEYENNE, Roger Mills, OK | Pass | State |
| 2020-10-08 | ET GATHERING PROCESSING LLC / CHEYENNE COMPRESSOR STATION | CHEYENNE, Roger Mills, OK | Pass | State |
| 2020-10-08 | ENERGY TRANSFER MKT & TERM LP/NORTHUMBERLAND TERM | NORTHUMBERLAND, Northumberland, PA | Pass | State |
| 2020-10-08 | DESOTEC US LLC/DARLINGTON | DARLINGTON, Beaver, PA | Pass | State |
| 2020-10-08 | EQUITRANS LP/JEFFERSON COMP STA | LIPPINCOTT, Greene, PA | Pass | State |
| 2020-10-08 | BUCKEYE SE TERMINALS LP - ROANOKE | ROANOKE, Roanoke, VA | Pass | State |
| 2020-10-08 | THE PROCTER AND GAMBLE MANUFACTURING COMPANY, TABLER STATION | INWOOD, Berkeley, WV | Pass | State |
| 2020-10-07 | FAIRBANKS GOLD MINING INC / FORT KNOX MINE | FAIRBANKS, Fairbanks North Star, AK | Pass | State |
| 2020-10-07 | TRANSCONTINENTAL GAS PIPE LINE COMPANY L | SWEET WATER, Marengo, AL | Pass | State |
| 2020-10-07 | W&T OFFSHORE, INC. | MOBILE BAY, Mobile, AL | Pass | State |
| 2020-10-07 | ALABAMA POWER COMPANY | BUCKS, Mobile, AL | Pass | State |
| 2020-10-07 | DESOTO GATHERING COMPANY, LLC - S. RAINBOW CPF-2 | CLINTON, Conway, AR | Pass | State |
| 2020-10-07 | DESOTO GATHERING COMPANY, LLC - SOUTH RAINBOW CPF-4 | CENTER RIDGE, Conway, AR | Pass | State |
| 2020-10-07 | CHEVRON USA | SACRAMENTO, Sacramento, CA | Pass | Local |
| 2020-10-07 | LADW&P-HAYNES STEAM | LONG BEACH, Los Angeles, CA | Pass | Local |
| 2020-10-07 | CALIFORNIA RESOURCES PRODUCTION CORP | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | CALIFORNIA RESOURCES PRODUCTION CORP | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | CALIFORNIA RESOURCES PRODUCTION CORP | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | CALIFORNIA RESOURCES PRODUCTION CORP | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | CALIFORNIA RESOURCES PRODUCTION CORP | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | CALIFORNIA RESOURCES PRODUCTION CORP | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | CALIFORNIA RESOURCES PRODUCTION CORP | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | CALIFORNIA RESOURCES PRODUCTION CORP | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | CALIFORNIA RESOURCES PRODUCTION CORP | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | CALIFORNIA RESOURCES PRODUCTION CORP | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | CALIFORNIA RESOURCES PRODUCTION CORP | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | CALIFORNIA RESOURCES PRODUCTION CORP | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
| 2020-10-07 | E&B NATIONAL RESOURCES MANAGEMENT | BAKERSFIELD, Kern, CA | Pass | Local |
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.