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EPA Air · stack tests by state and year

Air-emissions stack tests in West Virginia, 2024

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 2024; 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, 2024

West Virginia, other years

Air-emissions stack tests recorded in West Virginia, 2024

DateFacilityWhereKindAgency
2024-12-31ANTERO MIDSTREAM LLC, ZINNIA STATIONSALEM, Harrison, WVPassState
2024-12-19MONONGAHELA POWER COMPANY, FORT MARTIN STATIONMAIDSVILLE, Monongalia, WVPassState
2024-12-18ICL-IP AMERICA INC., GALLIPOLIS FERRYGALLIPOLIS FERRY, Mason, WVPassState
2024-12-18MONONGAHELA POWER COMPANY, FORT MARTIN STATIONMAIDSVILLE, Monongalia, WVPassState
2024-12-18ANTERO MIDSTREAM LLC, LINCOLN COMPRESSOR STNREADER, Wetzel, WVPassState
2024-12-17MONONGAHELA POWER COMPANY, HARRISON STATIONHAYWOOD, Harrison, WVPassState
2024-12-13ANTERO MIDSTREAM LLC, MOUNTAIN STATIONPENNSBORO, Tyler, WVPassState
2024-12-11DELRIN USA, LLC, DELRIN USA - WASHINGTON WORKSWASHINGTON, Wood, WVPassState
2024-12-10BIG SANDY PEAKER PLANT, LLC, NEALKENOVA, Wayne, WVPassState
2024-12-06APPALACHIA MIDSTREAM SERVICES, L.L.C., BUFFALO STATIONBETHANY, Brooke, WVPassState
2024-12-06ROXUL USA INC., RAN FACILITYRANSON, Jefferson, WVFailState
2024-12-05WESTLAKE NATRIUM LLC, WESTLAKE NATRIUMPROCTOR, Marshall, WVPassState
2024-12-05APPALACHIAN POWER COMPANY, JOHN AMOS PLANTWINFIELD, Putnam, WVPassState
2024-12-04CERTAINTEED GYPSUM WEST VIRGINIA, INC., MOUNDSVILLEPROCTOR, Marshall, WVPassState
2024-12-04APPALACHIAN POWER COMPANY, JOHN AMOS PLANTWINFIELD, Putnam, WVPassState
2024-12-02EQT XL MIDSTREAM OPERATING LLC, LEGACY CONDENSATE PADPROCTOR, Marshall, WVPassState
2024-11-25VIRGINIA ELECTRIC AND POWER COMPANY, MT. STORMMT. STORM, Grant, WVPassState
2024-11-25ANTERO MIDSTREAM LLC, CASTLE PEAK STNNEW MARTINSVILLE, Tyler, WVPassState
2024-11-21ANTERO MIDSTREAM LLC, GRAYS PEAK CSREADER, Wetzel, WVPassState
2024-11-20DTM APPALACHIA GATHERING, LLC, MEPCO COMPRESSORMAIDSVILLE, Monongalia, WVPassState
2024-11-20PAUL WISSMACH GLASS CO., INC., PADEN CITYPADEN CITY, Tyler, WVPassState
2024-11-19COLUMBIA GAS TRANSMISSION, LLC, CEREDOHUNTINGTON, Wayne, WVPassState
2024-11-19COLUMBIA GAS TRANSMISSION, LLC, CEREDOHUNTINGTON, Wayne, WVPassState
2024-11-18ARMSTRONG WORLD INDUSTRIES, INC., MILLWOODMILLWOOD, Jackson, WVPassState
2024-11-14ERGON - WEST VIRGINIA, INC., NEWELLNEWELL, Hancock, WVPassState
2024-11-14COLUMBIA GAS TRANSMISSION, LLC, LOST RIVERMATHIAS, Hardy, WVPassState
2024-11-13MONONGAHELA POWER COMPANY, HARRISON STATIONHAYWOOD, Harrison, WVPassState
2024-11-13WESTLAKE NATRIUM LLC, WESTLAKE NATRIUMPROCTOR, Marshall, WVPassState
2024-11-12WESTLAKE NATRIUM LLC, WESTLAKE NATRIUMPROCTOR, Marshall, WVPassState
2024-11-07MONONGAHELA POWER COMPANY, HARRISON STATIONHAYWOOD, Harrison, WVPassState
2024-11-06MONONGAHELA POWER COMPANY, HARRISON STATIONHAYWOOD, Harrison, WVPassState
2024-11-06COLUMBIA GAS TRANSMISSION, LLC, ELK RIVERCLENDENIN, Kanawha, WVPassState
2024-11-05COLUMBIA GAS TRANSMISSION, LLC, GLENVILLETRUEBADA, Gilmer, WVPassState
2024-11-05COLUMBIA GAS TRANSMISSION, LLC, HUBBALLBRANCHLAND, Lincoln, WVPassState
2024-11-05APPALACHIA MIDSTREAM SERVICES, LLC, BLACK BEAR COMWHEELING, Marshall, WVPassState
2024-11-04AMERICAN BITUMINOUS POWER PARTNERS, L. P., GRANTGRANT TOWN, Marion, WVPassState
2024-11-04MOUNTAIN STATE CLEAN ENERGY, LLC, MAIDSVILLEMAIDSVILLE, Monongalia, WVPassState
2024-10-31MOUNTAIN STATE CLEAN ENERGY, LLC, MAIDSVILLEMAIDSVILLE, Monongalia, WVPassState
2024-10-30CONSTELLIUM ROLLED PRODUCTS RAVENSWOOD, LLC, RAVENSWOODRAVENSWOOD, Jackson, WVPassState
2024-10-30WILLIAMS OHIO VALLEY MIDSTREAM LLC, OAK GROVEMOUNDSVILLE, Marshall, WVPassState
2024-10-30ANTERO MIDSTREAM LLC, WEST MOUNTAIN STATIONPENNSBORO, Ritchie, WVPassState
2024-10-22COLUMBIA GAS TRANSMISSION, LLC, FILES CREEKBEVERLY, Randolph, WVPassState
2024-10-17PRECOAT METALS CORP., WEIRTONWEIRTON, Brooke, WVFailState
2024-10-15WVA MANUFACTURING, LLC, ALLOY — high-priority violation on fileALLOY, Fayette, WVPassState
2024-10-09ANTERO MIDSTREAM LLC, CASTLE PEAK STNNEW MARTINSVILLE, Tyler, WVPassState
2024-10-08ROXUL USA INC., RAN FACILITYRANSON, Jefferson, WVPassState
2024-10-08EASTERN GAS TRANSMISSION AND STORAGE, INC., CORNWELL STATIONCLENDENIN, Kanawha, WVPassState
2024-10-05ROXUL USA INC., RAN FACILITYRANSON, Jefferson, WVPassState
2024-10-04JELD-WEN, INC. DBA JELD-WEN, CRAIGSVILLECRAIGSVILLE, Nicholas, WVFailState
2024-10-02ALLIED WASTE SYCAMORE LANDFILL, LLC, HURRICANEHURRICANE, Putnam, WVPassState
2024-10-01EASTERN GAS TRANSMISSION AND STORAGE, INC., SCHUTTE STATIONSEDALIA, Doddridge, WVPassState
2024-10-01CNX MIDSTREAM OPERATING COMPANY LLC, SHIRLEY STATIONALMA, Tyler, WVPassState
2024-09-25APPALACHIA MIDSTREAM SERVICES, L.L.C., THREEDUBS STATIONWELLSBURG, Brooke, WVPassState
2024-09-25ANTERO MIDSTREAM LLC, MIDDLEBOURNE VMIDDLEBOURNE, Tyler, WVPassState
2024-09-24APPALACHIA MIDSTREAM SERVICES, L.L.C., PIONEER FACILITYWHEELING, Ohio, WVPassState
2024-09-19AMERICAN BITUMINOUS POWER PARTNERS, L. P., GRANTGRANT TOWN, Marion, WVPassState
2024-09-19DTM APPALACHIA GATHERING, LLC, DAYBROOK STATIONFAIRVIEW, Marion, WVPassState
2024-09-18FELMAN PRODUCTION, LLC, LETARTLETART, Mason, WVPassState
2024-09-17ARMSTRONG WORLD INDUSTRIES, INC., MILLWOODMILLWOOD, Jackson, WVPassState
2024-09-12MONONGAHELA POWER COMPANY, HARRISON STATIONHAYWOOD, Harrison, WVPassState
2024-09-12EUREKA MIDSTREAM, LLC, CARBIDE SITEHASTINGS, Wetzel, WVPassState
2024-09-11COLUMBIA GAS TRANSMISSION, LLC, CLEVELANDKANAWHA HEAD, Upshur, WVPassState
2024-09-05MARKWEST LIBERTY MIDSTREAM & RESOURCES, L.L.C., MAJORSVILLEDALLAS, Marshall, WVPassState
2024-09-05MPM SILICONES, LLC, FRIENDLYFRIENDLY, Tyler, WVPassState
2024-09-05ANTERO MIDSTREAM LLC, MIDDLEBOURNE IIIWICK, Tyler, WVPassState
2024-09-04AOC MATERIALS, LLC, NEAL PLANTKENOVA, Wayne, WVPassState
2024-08-30PLEASANTS ENERGY, LLC, WAVERLYWILLOW ISLAND, Pleasants, WVPassState
2024-08-27MOUNTAIN VALLEY PIPELINE, LLC, STALLWORTH STATIONMEADOW BRIDGE, Fayette, WVPassState
2024-08-27MOUNTAIN GATHERING, LLC, MCCLELLAND STATIONWORTHINGTON, Marion, WVPassState
2024-08-27APPALACHIAN POWER COMPANY, JOHN AMOS PLANTWINFIELD, Putnam, WVPassState
2024-08-23APPALACHIA MIDSTREAM SERVICES, L.L.C., MOUNTAINEER COMPRESSORWELLSBURG, Brooke, WVPassState
2024-08-22APPALACHIA MIDSTREAM SERVICES, LLC, BLACK BEAR COMWHEELING, Marshall, WVPassState
2024-08-21CERTAINTEED GYPSUM WEST VIRGINIA, INC., MOUNDSVILLEPROCTOR, Marshall, WVFailState
2024-08-20EASTERN GAS TRANSMISSION AND STORAGE, INC., LIGHTBURN STATIONJANE LEW, Lewis, WVPassState
2024-08-20MONONGAHELA POWER COMPANY, FORT MARTIN STATIONMAIDSVILLE, Monongalia, WVPassState
2024-08-20EUREKA MIDSTREAM, LLC, CARBIDE SITEHASTINGS, Wetzel, WVPassState
2024-08-19EQT XL MIDSTREAM OPERATING LLC, CHANNING COMPRESSORPROCTOR, Marshall, WVPassState
2024-08-16MONONGAHELA POWER COMPANY, FORT MARTIN STATIONMAIDSVILLE, Monongalia, WVPassState
2024-08-15QUIKRETE CONSTRUCTION MATERIALS, LLC, QUIKRETE CEMENT — high-priority violation on fileMARTINSBURG, Berkeley, WVPassState
2024-08-15MARKWEST LIBERTY MIDSTREAM & RESOURCES, L.L.C., SHERWOODWEST UNION, Doddridge, WVPassState
2024-08-15MONONGAHELA POWER COMPANY, FORT MARTIN STATIONMAIDSVILLE, Monongalia, WVPassState
2024-08-15MONONGAHELA POWER COMPANY, FORT MARTIN STATIONMAIDSVILLE, Monongalia, WVPassState
2024-08-14WESTLAKE NATRIUM LLC, WESTLAKE NATRIUMPROCTOR, Marshall, WVPassState
2024-08-14MPLX TERMINALS LLC, KENOVAKENOVA, Wayne, WVPassState
2024-08-13MONONGAHELA POWER COMPANY, HARRISON STATIONHAYWOOD, Harrison, WVPassState
2024-08-13MONONGAHELA POWER COMPANY, HARRISON STATIONHAYWOOD, Harrison, WVPassState
2024-08-13COLUMBIA GAS TRANSMISSION, LLC, ELK RIVERCLENDENIN, Kanawha, WVPassState
2024-08-13WESTLAKE NATRIUM LLC, WESTLAKE NATRIUMPROCTOR, Marshall, WVPassState
2024-08-12DIVERSIFIED MIDSTREAM LLC, BROWNING FORK STATIONGILBERT, Logan, WVPassState
2024-08-09OMNIS PLEASANTS, LLC, PLEASANTS POWER STATIONWILLOW ISLAND, Pleasants, WVPassState
2024-08-09APPALACHIAN POWER COMPANY, JOHN AMOS PLANTWINFIELD, Putnam, WVPassState
2024-08-08APPALACHIA MIDSTREAM SERVICES, LLC, BATTLE RUNVALLEY GROVE, Ohio, WVPassState
2024-08-08APPALACHIAN POWER COMPANY, JOHN AMOS PLANTWINFIELD, Putnam, WVPassState
2024-08-02COLUMBIA GAS TRANSMISSION, LLC, SMITHFIELDSMITHFIELD, Wetzel, WVPassState
2024-08-01BLUE RACER MIDSTREAM, LLC, NATRIUM EXTRACTION & FRACTIONANATRIUM, Marshall, WVPassState
2024-07-31AMERICAN BITUMINOUS POWER PARTNERS, L. P., GRANTGRANT TOWN, Marion, WVPassState
2024-07-30KENTUCKY POWER COMPANY, MITCHELL PLANTMOUNDSVILLE, Marshall, WVPassState
2024-07-24MONONGAHELA POWER COMPANY, HARRISON STATIONHAYWOOD, Harrison, WVPassState
2024-07-24WESTLAKE NATRIUM LLC, WESTLAKE NATRIUMPROCTOR, Marshall, WVPassState
2024-07-24APPALACHIA MIDSTREAM SERVICES, LLC, BLACK BEAR COMWHEELING, Marshall, WVFailState
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.