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.