EPA Air · stack tests by state and year
Air-emissions stack tests in West Virginia, 2021
- 225Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in West Virginia during 2021; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in West Virginia, 2021
- Marshall County 40
- Harrison County 21
- Monongalia County 17
- Pleasants County 15
- Putnam County 14
- Doddridge County 13
- Grant County 12
- Marion County 11
- Tyler County 10
- Wayne County 8
- Berkeley County 7
- Wetzel County 7
- Brooke County 6
- Kanawha County 5
- Hardy County 4
- Mason County 4
- Hancock County 3
- Wood County 3
- Ritchie County 3
- Pendleton County 3
- Jackson County 3
West Virginia, other years
Air-emissions stack tests recorded in West Virginia, 2021
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2021-12-30 | MOUNTAIN STATE CLEAN ENERGY, LLC, MAIDSVILLE | MAIDSVILLE, Monongalia, WV | Pass | State |
| 2021-12-29 | APPALACHIAN POWER COMPANY, JOHN AMOS PLANT | WINFIELD, Putnam, WV | Pass | State |
| 2021-12-15 | APPALACHIAN POWER CO. - MOUNTAINEER PLANT, NEW HAVEN | NEW HAVEN, Mason, WV | Pass | State |
| 2021-12-15 | ANTERO MIDSTREAM LLC, WEST MOUNTAIN STATION | PENNSBORO, Ritchie, WV | Pass | State |
| 2021-12-15 | MPM SILICONES, LLC, FRIENDLY | FRIENDLY, Tyler, WV | Pass | State |
| 2021-12-15 | MPM SILICONES, LLC, FRIENDLY | FRIENDLY, Tyler, WV | Pass | State |
| 2021-12-14 | MONONGAHELA POWER COMPANY, FORT MARTIN STATION | MAIDSVILLE, Monongalia, WV | Pass | State |
| 2021-12-10 | AMERICAN BITUMINOUS POWER PARTNERS, L. P., GRANT | GRANT TOWN, Marion, WV | Pass | State |
| 2021-12-10 | EQT XL MIDSTREAM OPERATING LLC, LEGACY CONDENSATE PAD | PROCTOR, Marshall, WV | Pass | State |
| 2021-12-08 | COLUMBIA GAS TRANSMISSION, LLC, LOST RIVER | MATHIAS, Hardy, WV | Pass | State |
| 2021-12-07 | ERGON - WEST VIRGINIA, INC., NEWELL | NEWELL, Hancock, WV | Pass | State |
| 2021-12-07 | COLUMBIA GAS TRANSMISSION, LLC, LOST RIVER | MATHIAS, Hardy, WV | Pass | State |
| 2021-11-30 | MONONGAHELA POWER COMPANY, HARRISON STATION | HAYWOOD, Harrison, WV | Pass | State |
| 2021-11-30 | MONONGAHELA POWER COMPANY, HARRISON STATION | HAYWOOD, Harrison, WV | Pass | State |
| 2021-11-30 | DELRIN USA, LLC, DELRIN USA - WASHINGTON WORKS | WASHINGTON, Wood, WV | Pass | State |
| 2021-11-24 | ROXUL USA INC., RAN FACILITY | RANSON, Jefferson, WV | Pass | State |
| 2021-11-23 | COLUMBIA GAS TRANSMISSION, LLC, CEREDO | HUNTINGTON, Wayne, WV | Pass | State |
| 2021-11-22 | MOUNTAIN STATE CLEAN ENERGY, LLC, MAIDSVILLE | MAIDSVILLE, Monongalia, WV | Pass | State |
| 2021-11-18 | WESTLAKE NATRIUM LLC, WESTLAKE NATRIUM | PROCTOR, Marshall, WV | Pass | State |
| 2021-11-17 | WESTLAKE NATRIUM LLC, WESTLAKE NATRIUM | PROCTOR, Marshall, WV | Pass | State |
| 2021-11-17 | MONONGAHELA POWER COMPANY, FORT MARTIN STATION | MAIDSVILLE, Monongalia, WV | Pass | State |
| 2021-11-17 | COLUMBIA GAS TRANSMISSION, LLC, FILES CREEK | BEVERLY, Randolph, WV | Pass | State |
| 2021-11-16 | WESTLAKE NATRIUM LLC, WESTLAKE NATRIUM | PROCTOR, Marshall, WV | Pass | State |
| 2021-11-16 | MONONGAHELA POWER COMPANY, FORT MARTIN STATION | MAIDSVILLE, Monongalia, WV | Pass | State |
| 2021-11-16 | CNX MIDSTREAM OPERATING COMPANY LLC, SHIRLEY STATION | ALMA, Tyler, WV | Pass | State |
| 2021-11-16 | COLUMBIA GAS TRANSMISSION, LLC, KENOVA | KENOVA, Wayne, WV | Pass | State |
| 2021-11-10 | MONONGAHELA POWER COMPANY, HARRISON STATION | HAYWOOD, Harrison, WV | Pass | State |
| 2021-11-10 | ANTERO MIDSTREAM LLC, MIDDLEBOURNE V | MIDDLEBOURNE, Tyler, WV | Pass | State |
| 2021-11-09 | MONONGAHELA POWER COMPANY, HARRISON STATION | HAYWOOD, Harrison, WV | Pass | State |
| 2021-11-09 | ARMSTRONG WORLD INDUSTRIES, INC., MILLWOOD | MILLWOOD, Jackson, WV | Pass | State |
| 2021-11-09 | MARKWEST LIBERTY MIDSTREAM & RESOURCES, L.L.C., MAJORSVILLE | DALLAS, Marshall, WV | Pass | State |
| 2021-11-03 | ROXUL USA INC., RAN FACILITY | RANSON, Jefferson, WV | Pass | State |
| 2021-11-02 | MONONGAHELA POWER COMPANY, FORT MARTIN STATION | MAIDSVILLE, Monongalia, WV | Pass | State |
| 2021-11-02 | ANTERO MIDSTREAM LLC, MIDDLEBOURNE III | WICK, Tyler, WV | Pass | State |
| 2021-11-01 | MARKWEST LIBERTY MIDSTREAM & RESOURCES, L.L.C., MOBLEY GAS PLANT | SMITHFIELD, Wetzel, WV | Pass | State |
| 2021-10-27 | APPALACHIA MIDSTREAM SERVICES, L.L.C., PLEASANTS | ADALINE, Marshall, WV | Pass | State |
| 2021-10-21 | ERGON - WEST VIRGINIA, INC., NEWELL | NEWELL, Hancock, WV | Pass | State |
| 2021-10-21 | MARION COUNTY COAL RESOURCES, INC., MARION COUNTY PREP PLANT | FAIRVIEW, Marion, WV | Pass | State |
| 2021-10-21 | OMNIS PLEASANTS, LLC, PLEASANTS POWER STATION | WILLOW ISLAND, Pleasants, WV | Pass | State |
| 2021-10-21 | COLUMBIA GAS TRANSMISSION, LLC, CLEVELAND | KANAWHA HEAD, Upshur, WV | Pass | State |
| 2021-10-20 | APPALACHIAN POWER COMPANY, JOHN AMOS PLANT | WINFIELD, Putnam, WV | Pass | State |
| 2021-10-19 | WVA MANUFACTURING, LLC, ALLOY — high-priority violation on file | ALLOY, Fayette, WV | Pass | State |
| 2021-10-19 | ERGON - WEST VIRGINIA, INC., NEWELL | NEWELL, Hancock, WV | Pass | State |
| 2021-10-19 | OMNIS PLEASANTS, LLC, PLEASANTS POWER STATION | WILLOW ISLAND, Pleasants, WV | Pass | State |
| 2021-10-13 | MONONGAHELA POWER COMPANY, FORT MARTIN STATION | MAIDSVILLE, Monongalia, WV | Pass | State |
| 2021-10-13 | GREER LIME COMPANY, RIVERTON | RIVERTON, Pendleton, WV | Pass | State |
| 2021-10-12 | EASTERN GAS TRANSMISSION AND STORAGE, INC., CORNWELL STATION | CLENDENIN, Kanawha, WV | Pass | State |
| 2021-10-12 | COLUMBIA GAS TRANSMISSION, LLC, ELK RIVER | CLENDENIN, Kanawha, WV | Pass | State |
| 2021-10-12 | MOUNTAIN GATHERING, LLC, MCCLELLAND STATION | WORTHINGTON, Marion, WV | Pass | State |
| 2021-10-12 | MONONGAHELA POWER COMPANY, FORT MARTIN STATION | MAIDSVILLE, Monongalia, WV | Pass | State |
| 2021-10-07 | APPALACHIA MIDSTREAM SERVICES, L.L.C., PIONEER FACILITY | WHEELING, Ohio, WV | Pass | State |
| 2021-10-06 | APPALACHIA MIDSTREAM SERVICES, L.L.C., THREEDUBS STATION | WELLSBURG, Brooke, WV | Pass | State |
| 2021-10-06 | KENTUCKY POWER COMPANY, MITCHELL PLANT | MOUNDSVILLE, Marshall, WV | Pass | State |
| 2021-10-05 | WILLIAMS OHIO VALLEY MIDSTREAM LLC, CORLEY STATION | DALLAS, Marshall, WV | Pass | State |
| 2021-10-05 | WILLIAMS OHIO VALLEY MIDSTREAM LLC, OAK GROVE | MOUNDSVILLE, Marshall, WV | Pass | State |
| 2021-10-04 | WILLIAMS OHIO VALLEY MIDSTREAM LLC, BURCH RIDGE ST | MOUNDSVILLE, Marshall, WV | Pass | State |
| 2021-09-29 | AAA PAVING AND SEALING, INC., PRINCETON | PRINCETON, Mercer, WV | Pass | State |
| 2021-09-24 | AMERICAN WOODMARK CORPORATION, SOUTH BRANCH | MOOREFIELD, Hardy, WV | Pass | State |
| 2021-09-24 | COLUMBIA WEST VIRGINIA CORPORATION, CRAIGSVILLE | CRAIGSVILLE, Nicholas, WV | Pass | State |
| 2021-09-24 | COLUMBIA GAS TRANSMISSION, LLC, SENECA | SENECA ROCKS, Pendleton, WV | Pass | State |
| 2021-09-22 | MONONGAHELA POWER COMPANY, HARRISON STATION | HAYWOOD, Harrison, WV | Pass | State |
| 2021-09-22 | COLUMBIA GAS TRANSMISSION, LLC, HUBBALL | BRANCHLAND, Lincoln, WV | Pass | State |
| 2021-09-21 | MOUNTAIN VALLEY PIPELINE, LLC, HARRIS STATION | FLATWOODS, Braxton, WV | Pass | State |
| 2021-09-21 | MONONGAHELA POWER COMPANY, HARRISON STATION | HAYWOOD, Harrison, WV | Pass | State |
| 2021-09-21 | APPALACHIA MIDSTREAM SERVICES, L.L.C., MILLER STATION | BANNEN, Marshall, WV | Pass | State |
| 2021-09-20 | MARKWEST LIBERTY MIDSTREAM & RESOURCES, L.L.C., MOBLEY GAS PLANT | SMITHFIELD, Wetzel, WV | Pass | State |
| 2021-09-17 | BIG SANDY PEAKER PLANT, LLC, NEAL | KENOVA, Wayne, WV | Pass | State |
| 2021-09-16 | DTM APPALACHIA GATHERING, LLC, DAYBROOK STATION | FAIRVIEW, Marion, WV | Pass | State |
| 2021-09-15 | EUREKA MIDSTREAM, LLC, CARBIDE SITE | HASTINGS, Wetzel, WV | Pass | State |
| 2021-09-14 | MORGANTOWN ENERGY ASSOCIATES, MORGANTOWN PLANT | MORGANTOWN, Monongalia, WV | Pass | State |
| 2021-09-12 | AMERICAN BITUMINOUS POWER PARTNERS, L. P., GRANT | GRANT TOWN, Marion, WV | Pass | State |
| 2021-09-09 | VIRGINIA ELECTRIC AND POWER COMPANY, MT. STORM | MT. STORM, Grant, WV | Pass | State |
| 2021-09-09 | MPLX TERMINALS LLC, KENOVA | KENOVA, Wayne, WV | Pass | State |
| 2021-09-08 | ANTERO MIDSTREAM LLC, BANNER COMPRESSOR STATION | NEW MILTON, Doddridge, WV | Pass | State |
| 2021-09-08 | EASTERN GAS TRANSMISSION AND STORAGE, INC., SCHUTTE STATION | SEDALIA, Doddridge, WV | Pass | State |
| 2021-09-02 | AOC MATERIALS, LLC, NEAL PLANT | KENOVA, Wayne, WV | Pass | State |
| 2021-09-01 | VIRGINIA ELECTRIC AND POWER COMPANY, MT. STORM | MT. STORM, Grant, WV | Pass | State |
| 2021-09-01 | DIVERSIFIED MIDSTREAM LLC, BROWNING FORK STATION | GILBERT, Logan, WV | Pass | State |
| 2021-09-01 | BIG SANDY PEAKER PLANT, LLC, NEAL | KENOVA, Wayne, WV | Pass | State |
| 2021-08-31 | FELMAN PRODUCTION, LLC, LETART | LETART, Mason, WV | Pass | State |
| 2021-08-26 | APPALACHIA MIDSTREAM SERVICES, LLC, BATTLE RUN | VALLEY GROVE, Ohio, WV | Pass | State |
| 2021-08-26 | PLEASANTS ENERGY, LLC, WAVERLY | WILLOW ISLAND, Pleasants, WV | Pass | State |
| 2021-08-24 | WESTLAKE NATRIUM LLC, WESTLAKE NATRIUM | PROCTOR, Marshall, WV | Pass | State |
| 2021-08-24 | WESTLAKE NATRIUM LLC, WESTLAKE NATRIUM | PROCTOR, Marshall, WV | Pass | State |
| 2021-08-11 | MARKWEST LIBERTY MIDSTREAM & RESOURCES, L.L.C., SHERWOOD | WEST UNION, Doddridge, WV | Pass | State |
| 2021-08-11 | OMNIS PLEASANTS, LLC, PLEASANTS POWER STATION | WILLOW ISLAND, Pleasants, WV | Pass | State |
| 2021-08-10 | QUAD/GRAPHICS, INC., HEDGESVILLE | MARTINSBURG, Berkeley, WV | Pass | State |
| 2021-08-10 | KENTUCKY POWER COMPANY, MITCHELL PLANT | MOUNDSVILLE, Marshall, WV | Pass | State |
| 2021-08-10 | MARKWEST LIBERTY MIDSTREAM & RESOURCES, L.L.C., MAJORSVILLE | DALLAS, Marshall, WV | Pass | State |
| 2021-08-10 | OMNIS PLEASANTS, LLC, PLEASANTS POWER STATION | WILLOW ISLAND, Pleasants, WV | Pass | State |
| 2021-08-09 | APPALACHIA MIDSTREAM SERVICES, L.L.C., MOUNTAINEER COMPRESSOR | WELLSBURG, Brooke, WV | Pass | State |
| 2021-08-04 | OMNIS PLEASANTS, LLC, PLEASANTS POWER STATION | WILLOW ISLAND, Pleasants, WV | Pass | State |
| 2021-08-03 | OMNIS PLEASANTS, LLC, PLEASANTS POWER STATION | WILLOW ISLAND, Pleasants, WV | Pass | State |
| 2021-08-02 | AMERICAN BITUMINOUS POWER PARTNERS, L. P., GRANT | GRANT TOWN, Marion, WV | Pass | State |
| 2021-07-28 | MONONGAHELA POWER COMPANY, FORT MARTIN STATION | MAIDSVILLE, Monongalia, WV | Pass | State |
| 2021-07-27 | MONONGAHELA POWER COMPANY, FORT MARTIN STATION | MAIDSVILLE, Monongalia, WV | Pass | State |
| 2021-07-17 | QUIKRETE CONSTRUCTION MATERIALS, LLC, QUIKRETE CEMENT — high-priority violation on file | MARTINSBURG, Berkeley, WV | Pass | State |
| 2021-07-16 | ANTERO MIDSTREAM LLC, MIDDLEBOURNE IV | MIDDLEBOURNE, Tyler, WV | Pass | State |
| 2021-07-14 | APPALACHIAN POWER COMPANY, JOHN AMOS PLANT | WINFIELD, Putnam, WV | Pass | State |
| 2021-07-13 | EQT XL MIDSTREAM OPERATING LLC, PAYNE STATION | GLEN EASTON, Marshall, WV | Pass | State |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.