EPA Air · stack tests by year
Air-emissions stack tests in 2019
- 26,261Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
States, 2019
- California 6,897
- Ohio 2,684
- Oklahoma 1,656
- Florida 1,597
- Indiana 1,595
- Georgia 1,325
- Pennsylvania 723
- Alabama 687
- Arkansas 664
- Texas 620
- Mississippi 604
- Iowa 457
- Washington 445
- Colorado 431
- New Mexico 421
- Missouri 409
- North Carolina 297
- Minnesota 285
- Montana 272
- Michigan 268
- Wyoming 252
- Wisconsin 251
- South Carolina 231
- Louisiana 225
- Delaware 189
- Kentucky 188
- Utah 184
- West Virginia 176
- Kansas 175
- Alaska 159
- North Dakota 154
- Nebraska 149
- Illinois 138
- Connecticut 124
- New York 122
- Tennessee 121
- Maine 110
- Virginia 107
- Nevada 107
- Idaho 95
- Hawaii 93
- Oregon 88
- New Hampshire 78
- Arizona 77
- New Jersey 61
- South Dakota 59
- Massachusetts 58
- Maryland 54
- Rhode Island 45
- District of Columbia 33
- Vermont 21
Other years
Air-emissions stack tests recorded in 2019
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2019-10-22 | INDECK LADYSMITH LLC | LADYSMITH, Rusk, WI | Pass | State |
| 2019-10-22 | MONONGAHELA POWER COMPANY, HARRISON STATION | HAYWOOD, Harrison, WV | Pass | State |
| 2019-10-22 | COLUMBIA GAS TRANSMISSION, LLC, CLEVELAND | KANAWHA HEAD, Upshur, WV | Pass | State |
| 2019-10-21 | HILCORP ALASKA, LLC / MILNE POINT PRODUCTION FACILITY (MPU) | NORTH SLOPE BOROUGH, North Slope, AK | Pass | State |
| 2019-10-21 | CEMEX SOUTHEAST LLC | DEMOPOLIS, Marengo, AL | Pass | State |
| 2019-10-21 | DESOTO GATHERING COMPANY LLC - YELLOWSTONE CPF-2 | QUITMAN, Van Buren, AR | Pass | State |
| 2019-10-21 | DRAKE CEMENT- DRAKE ROAD SITE — high-priority violation on file | PAULDEN, Yavapai, AZ | Pass | State |
| 2019-10-21 | OC WASTE & RECYCLING, FRB | IRVINE, Orange, CA | Pass | Local |
| 2019-10-21 | THE WINE GROUP | SANGER, Fresno, CA | Pass | Local |
| 2019-10-21 | THE WINE GROUP | SANGER, Fresno, CA | Pass | Local |
| 2019-10-21 | THE WINE GROUP | SANGER, Fresno, CA | Pass | Local |
| 2019-10-21 | THE WINE GROUP | SANGER, Fresno, CA | Pass | Local |
| 2019-10-21 | THE WINE GROUP | SANGER, Fresno, CA | Pass | Local |
| 2019-10-21 | THE WINE GROUP | SANGER, Fresno, CA | Pass | Local |
| 2019-10-21 | THE WINE GROUP | SANGER, Fresno, CA | Pass | Local |
| 2019-10-21 | THE WINE GROUP | SANGER, Fresno, CA | Pass | Local |
| 2019-10-21 | VA MEDICAL CENTER — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2019-10-21 | VA MEDICAL CENTER — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2019-10-21 | VA MEDICAL CENTER — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2019-10-21 | VA MEDICAL CENTER — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2019-10-21 | VA MEDICAL CENTER — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2019-10-21 | VA MEDICAL CENTER — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2019-10-21 | VA MEDICAL CENTER — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2019-10-21 | VA MEDICAL CENTER — high-priority violation on file | FRESNO, Fresno, CA | Pass | Local |
| 2019-10-21 | WME YATES LLC - AMHERST C.S. | HOLYOKE 13.4 MI. NE OF, Phillips, CO | Pass | State |
| 2019-10-21 | NEENAH FOUNDRY COMPANY | MEDLEY, Miami-Dade, FL | Pass | State |
| 2019-10-21 | NEENAH FOUNDRY COMPANY | MEDLEY, Miami-Dade, FL | Pass | State |
| 2019-10-21 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2019-10-21 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2019-10-21 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2019-10-21 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2019-10-21 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2019-10-21 | CITY OF TAMPA | TAMPA, Hillsborough, FL | Pass | State |
| 2019-10-21 | ORLANDO UTILITIES COMMISSION | ORLANDO, Orange, FL | Pass | State |
| 2019-10-21 | HILAND PARTNERS HOLDINGS LLC - WATFORD CITY GAS PLANT - AQ | ALEXANDER, McKenzie, ND | Pass | State |
| 2019-10-21 | WOLVERINE COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2019-10-21 | WOLVERINE COMPRESSOR STATION | MALAGA, Eddy, NM | Pass | State |
| 2019-10-21 | EOG - ODIN COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2019-10-21 | EOG - ODIN COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2019-10-21 | EOG - ODIN COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2019-10-21 | INR OHIO, LLC - BETTINGER WELL PAD | CALDWELL, Noble, OH | Pass | State |
| 2019-10-21 | INR OHIO, LLC - BETTINGER WELL PAD | CALDWELL, Noble, OH | Pass | State |
| 2019-10-21 | INR OHIO, LLC - BETTINGER WELL PAD | CALDWELL, Noble, OH | Pass | State |
| 2019-10-21 | BELDEN BRICK PLANT 3 | SUGARCREEK, Tuscarawas, OH | Pass | State |
| 2019-10-21 | TOM STACK LLC / COMMUNITY COMPRESSOR STATION | OMEGA, Blaine, OK | Pass | State |
| 2019-10-21 | TOM STACK LLC / COMMUNITY COMPRESSOR STATION | OMEGA, Blaine, OK | Pass | State |
| 2019-10-21 | VALIDUS ENERGY II MIDCON LLC / BUD DILLY WEST BATTERY | PURDY, Garvin, OK | Pass | State |
| 2019-10-21 | ET GATHERING PROCESSING LLC / CHEVRON KNOX COMPRESSOR STATION | COX CITY, Grady, OK | Pass | State |
| 2019-10-21 | MARKWEST OKLAHOMA GAS CO LLC / ALPHA COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2019-10-21 | MARKWEST OKLAHOMA GAS CO LLC / ALPHA COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2019-10-21 | MARKWEST OKLAHOMA GAS CO LLC / STANGL COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2019-10-21 | MARKWEST OKLAHOMA GAS CO LLC / STANGL COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2019-10-21 | MARKWEST OKLAHOMA GAS CO LLC / STANGL COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2019-10-21 | ET GATHERING PROCESSING LLC / BLACK BEAR COMPRESSOR STATION | VELMA, Stephens, OK | Pass | State |
| 2019-10-21 | MTN GATHERING/ADAMS COMP STA | VANDERBILT, Fayette, PA | Pass | State |
| 2019-10-21 | REPSOL OIL & GAS USA LLC/THOMAS COMP STA | TROY, Bradford, PA | Pass | State |
| 2019-10-21 | GE (GREENVILLE) GAS TURBINES LLC | GREENVILLE, Greenville, SC | Pass | State |
| 2019-10-21 | WESTROCK LONGVIEW LLC — high-priority violation on file | LONGVIEW, Cowlitz, WA | Pass | State |
| 2019-10-21 | UNITED WISCONSIN GRAIN PRODUCERS, LLC — high-priority violation on file | FRIESLAND, Columbia, WI | Pass | State |
| 2019-10-21 | ERGON - WEST VIRGINIA, INC., NEWELL | NEWELL, Hancock, WV | Pass | State |
| 2019-10-21 | MONONGAHELA POWER COMPANY, FORT MARTIN STATION | MAIDSVILLE, Monongalia, WV | Pass | State |
| 2019-10-20 | CARLTON FORGE WORKS | PARAMOUNT, Los Angeles, CA | Pass | Local |
| 2019-10-20 | CONTINENTAL CEMENT COMPANY LLC — high-priority violation on file | HANNIBAL, Ralls, MO | Pass | State |
| 2019-10-19 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | FORT LUPTON, Weld, CO | Pass | State |
| 2019-10-18 | DESOTO GATHERING COMPANY, LLC - WEST CUTTHROAT CPF-1 | QUITMAN, Cleburne, AR | Pass | State |
| 2019-10-18 | DESOTO GATHERING COMPANY, LLC - WEST CUTTHROAT CPF-1 | QUITMAN, Cleburne, AR | Pass | State |
| 2019-10-18 | CORONADO GENERATING PLANT | SAINT JOHNS, Apache, AZ | Pass | State |
| 2019-10-18 | NOVO BIOPOWER, LLC | SNOWFLAKE, Navajo, AZ | Pass | State |
| 2019-10-18 | CALPORTLAND - RILLITO CEMENT PLANT | MARANA, Pima, AZ | Pass | State |
| 2019-10-18 | PHOENIX CEMENT | CLARKDALE, Yavapai, AZ | Pass | State |
| 2019-10-18 | SPI - LINCOLN — high-priority violation on file | LINCOLN, Placer, CA | Pass | Local |
| 2019-10-18 | SENTINEL PEAK RESOURCES CA LLC — high-priority violation on file | BAKERSFIELD, Kern, CA | Pass | Local |
| 2019-10-18 | SUNCOR ENERGY - DENVER REFINERY — high-priority violation on file | COMMERCE CITY, Adams, CO | Pass | State |
| 2019-10-18 | OLEANDER POWER PROJECT, LP | COCOA, Brevard, FL | Pass | State |
| 2019-10-18 | VAN DIEST SUPPLY CO | WEBSTER CITY, Hamilton, IA | Pass | State |
| 2019-10-18 | WHITE RIVER SEYMOUR LLC — high-priority violation on file | SEYMOUR, Jackson, IN | Pass | State |
| 2019-10-18 | WHITE RIVER SEYMOUR LLC — high-priority violation on file | SEYMOUR, Jackson, IN | Pass | State |
| 2019-10-18 | WHITE RIVER SEYMOUR LLC — high-priority violation on file | SEYMOUR, Jackson, IN | Pass | State |
| 2019-10-18 | WHITE RIVER SEYMOUR LLC — high-priority violation on file | SEYMOUR, Jackson, IN | Pass | State |
| 2019-10-18 | POET BIOREFINING PORTLAND LLC | PORTLAND, Jay, IN | Pass | State |
| 2019-10-18 | POET BIOREFINING PORTLAND LLC | PORTLAND, Jay, IN | Pass | State |
| 2019-10-18 | EAST KANSAS AGRI-ENERGY | GARNETT, Anderson, KS | Pass | State |
| 2019-10-18 | LINAMAR MONTAGUE | MONTAGUE, Muskegon, MI | Fail | State |
| 2019-10-18 | CONTINENTAL CEMENT COMPANY LLC — high-priority violation on file | HANNIBAL, Ralls, MO | Pass | State |
| 2019-10-18 | GREENLEAF CO2 SOLUTIONS LLC, WEST YELLOW CREEK COMPRESSOR STATION — high-priority violation on file | WAYNESBORO, Wayne, MS | Pass | State |
| 2019-10-18 | GREENLEAF CO2 SOLUTIONS LLC, WEST YELLOW CREEK COMPRESSOR STATION — high-priority violation on file | WAYNESBORO, Wayne, MS | Pass | State |
| 2019-10-18 | GREENLEAF CO2 SOLUTIONS LLC, WEST YELLOW CREEK COMPRESSOR STATION — high-priority violation on file | WAYNESBORO, Wayne, MS | Pass | State |
| 2019-10-18 | NOVANT HEALTH PRESBYTERIAN MEDICAL CENTER, INC. | CHARLOTTE, Mecklenburg, NC | Pass | Local |
| 2019-10-18 | J.T. RUSSELL & SONS, INC. | CHARLOTTE, Mecklenburg, NC | Pass | Local |
| 2019-10-18 | EOG - JAFAR COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2019-10-18 | EOG - JAFAR COMPRESSOR STATION | JAL, Lea, NM | Pass | State |
| 2019-10-18 | THE LUBRIZOL CORPORATION | PAINESVILLE, Lake, OH | Pass | State |
| 2019-10-18 | MIDWEST TERMINALS OF TOLEDO, INC. | TOLEDO, Lucas, OH | Pass | State |
| 2019-10-18 | ONEOK FIELD SERVICES CO LLC / WARD COMPRESSOR STATION NORTHERN ROWS | GEARY, Canadian, OK | Pass | State |
| 2019-10-18 | ONEOK FIELD SERVICES CO LLC / WARD COMPRESSOR STATION NORTHERN ROWS | GEARY, Canadian, OK | Pass | State |
| 2019-10-18 | MARKWEST OKLAHOMA GAS CO LLC / CUSTER STABILIZATION STATION | ARAPAHO, Custer, OK | Pass | State |
| 2019-10-18 | MARKWEST OKLAHOMA GAS CO LLC / CUSTER STABILIZATION STATION | ARAPAHO, Custer, OK | Pass | State |
| 2019-10-18 | SUPERIOR MIDSTREAM LLC / CASHION NORTH BOOSTER STATION (WASWO) | CASHION, Logan, OK | Pass | State |
| 2019-10-18 | SUPERIOR MIDSTREAM LLC / CASHION NORTH BOOSTER STATION (WASWO) | CASHION, Logan, OK | Pass | State |
| 2019-10-18 | MTN GATHERING LLC/JEFFERSON COMP STA | BUTLER, Butler, PA | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.