EPA Air · stack tests by state and year
Air-emissions stack tests in Virginia, 2025
- 170Stack 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 Virginia during 2025; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Virginia, 2025
- Loudoun County 21
- Fairfax County 12
- Norfolk (city) County 9
- Pittsylvania County 8
- Hopewell (city) County 7
- Halifax County 6
- Frederick County 6
- Prince William County 6
- Covington (city) County 6
- Wise County 5
- Portsmouth (city) County 5
- Botetourt County 5
- Henrico County 5
- King William County 5
- Isle of Wight County 5
- Bedford County 3
- Fluvanna County 3
Virginia, other years
Air-emissions stack tests recorded in Virginia, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-12-19 | DYNAX AMERICA CORP USA — high-priority violation on file | ROANOKE, Botetourt, VA | Pass | State |
| 2025-12-19 | DARAB VENTURES ONE, TWO, SIX LLC | ASHBURN, Loudoun, VA | Pass | State |
| 2025-12-18 | WALMART SUPERCENTER #2645 | BLACKSTONE, Nottoway, VA | Fail | State |
| 2025-12-17 | WAL-MART SUPERCENTER #4350 | KILMARNOCK, Lancaster, VA | Fail | State |
| 2025-12-17 | WAL-MART STORES EAST LP DBA WALMART SUPERCENTER #5105 | FRONT ROYAL, Warren, VA | Fail | State |
| 2025-12-17 | ADVANSIX RESINS AND CHEMICALS LLC - HOPEWELL PLANT — high-priority violation on file | HOPEWELL, Hopewell (city), VA | Pass | State |
| 2025-12-17 | SPSA - REGIONAL LANDFILL — high-priority violation on file | SUFFOLK, Suffolk (city), VA | Pass | State |
| 2025-12-13 | ADVANSIX RESINS AND CHEMICALS LLC - HOPEWELL PLANT — high-priority violation on file | HOPEWELL, Hopewell (city), VA | Pass | State |
| 2025-12-12 | DIGITAL WESTERN LANDS LLC | STERLING, Loudoun, VA | Pass | State |
| 2025-12-11 | DIGITAL REALTY (DIGITAL LOUDOUN 3 & 4, LLC) | ASHBURN, Loudoun, VA | Pass | State |
| 2025-12-11 | WALMART SUPERCENTER #5488 | NORFOLK, Norfolk (city), VA | Fail | State |
| 2025-12-10 | DOMINION - REMINGTON CT STATION | REMINGTON, Fauquier, VA | Pass | State |
| 2025-12-10 | FREDERICK COUNTY REGIONAL LANDFILL | WINCHESTER, Frederick, VA | Pass | State |
| 2025-12-09 | HRSD - BOAT HARBOR WASTEWATER TREATMENT PLANT | NEWPORT NEWS, Newport News (city), VA | Pass | State |
| 2025-12-09 | WALMART SUPERCENTER #4064 | VIRGINIA BEACH, Virginia Beach (city), VA | Fail | State |
| 2025-12-05 | WALMART SUPERCENTER #5753 | ALEXANDRIA, Fairfax, VA | Fail | State |
| 2025-12-04 | WALMART SUPERCENTER #5880 | FAIRFAX, Fairfax (city), VA | Fail | State |
| 2025-12-03 | ALIGNED DATA CENTERS IAD03 | STERLING, Loudoun, VA | Pass | State |
| 2025-12-03 | VAUGHAN-BASSETT FURNITURE COMPANY | GALAX, Galax (city), VA | Pass | State |
| 2025-12-03 | VAUGHAN-BASSETT FURNITURE COMPANY | GALAX, Galax (city), VA | Pass | State |
| 2025-11-21 | DOMINION ENERGY - VIRGINIA CITY HYBRID ENERGY CENTER | ST PAUL, Wise, VA | Pass | State |
| 2025-11-21 | UNIVERSITY OF VIRGINIA | CHARLOTTESVILLE, Charlottesville (city), VA | Pass | State |
| 2025-11-20 | TREX COMPANY, INC. - VIRGINIA DECKING AND RAILING | WINCHESTER, Frederick, VA | Pass | State |
| 2025-11-20 | DOMINION ENERGY - VIRGINIA CITY HYBRID ENERGY CENTER | ST PAUL, Wise, VA | Pass | State |
| 2025-11-14 | VANTAGE DATA CENTER VA3 LLC — high-priority violation on file | ASHBURN, Loudoun, VA | Pass | State |
| 2025-11-13 | APG MID-ATLANTIC - MILFORD | MILFORD, Caroline, VA | Fail | State |
| 2025-11-10 | GAINESVILLE CROSSING DATA CAMPUS - GCDC | GAINESVILLE, Prince William, VA | Pass | State |
| 2025-11-07 | DOMINION/ODEC - CLOVER POWER STATION — high-priority violation on file | CLOVER, Halifax, VA | Pass | State |
| 2025-11-06 | US NAVY - NAVAL STATION NORFOLK | NORFOLK, Norfolk (city), VA | Pass | State |
| 2025-11-05 | NAVAL SUPPORT FACILITY, DAHLGREN | DAHLGREN, King George, VA | Pass | State |
| 2025-11-04 | TRANSCONTINENTAL GAS PIPELINE - STATION 180 | UNIONVILLE, Orange, VA | Pass | State |
| 2025-10-31 | ALIGNED DATA CENTERS IAD03 | STERLING, Loudoun, VA | Fail | State |
| 2025-10-30 | ZAYO GROUP, LLC | ASHBURN, Loudoun, VA | Pass | State |
| 2025-10-29 | RICHMOND ENERGY LLC | HENRICO, Henrico, VA | Pass | State |
| 2025-10-29 | AMAZON DATA SERVICES IAD-156, IAD-157, IAD-158, IAD-159, AND IAD-327 | CHANTILLY, Loudoun, VA | Pass | State |
| 2025-10-23 | AMAZON DCA-54 | FORT BELVOIR, Fairfax, VA | Pass | State |
| 2025-10-23 | COMPASS IAD DATACENTER | LEESBURG, Loudoun, VA | Pass | State |
| 2025-10-23 | DIGITAL THIRD SECOND MANASSAS, LLC & DIGITAL CARVER BRICKYARD, LLC. — high-priority violation on file | MANASSAS, Manassas (city), VA | Fail | State |
| 2025-10-22 | LES PROJECT HOLDINGS, LLC F/K/A MICHIGAN CONGENERATION SYSTEMS, INC. | LORTON, Fairfax, VA | Pass | State |
| 2025-10-21 | AMAZON DATA SERVICES - DCA-51 | WARRENTON, Fauquier, VA | Fail | State |
| 2025-10-17 | AMAZON DATA SERVICES INC - IAD-165/166/167/168/613 | HERNDON, Fairfax, VA | Pass | State |
| 2025-10-17 | MICROSOFT CORPORATION - AVC43 DATACENTER | SOUTH HILL, Mecklenburg, VA | Pass | State |
| 2025-10-15 | DIGITAL REALTY (DIGITAL LOUDOUN 3 & 4, LLC) | ASHBURN, Loudoun, VA | Pass | State |
| 2025-10-10 | NOMAN M. COLE JR. WATER RECYCLING FACILITY | LORTON, Fairfax, VA | Pass | State |
| 2025-10-10 | EQUINIX LLC (DC-21/DC-22) | ASHBURN, Loudoun, VA | Pass | State |
| 2025-10-10 | NOVA MANGO FARMS LLC | BRISTOW, Prince William, VA | Pass | State |
| 2025-10-10 | AMAZON DATA SERVICES INC. IAD450-456 COSNER TECH CAMPUS — high-priority violation on file | FREDERICKSBURG, Spotsylvania, VA | Fail | State |
| 2025-10-09 | QTS INVESTMENT PROPERTIES ASHBURN LLC | STERLING, Loudoun, VA | Pass | State |
| 2025-10-03 | AMAZON DATA SERVICES INC IAD-210/211 | MANASSAS, Prince William, VA | Pass | State |
| 2025-10-02 | NPPC KING WILLIAM — high-priority violation on file | KING WILLIAM, King William, VA | Fail | State |
| 2025-10-02 | EQUINIX, LLC - ASHBURN | ASHBURN, Loudoun, VA | Pass | State |
| 2025-10-02 | CALPINE MID-ATLANTIC GENERATION LLC - BAYVIEW | BAYVIEW, Northampton, VA | Pass | State |
| 2025-10-02 | KINDER MORGAN SOUTHEAST TERMINALS LLC - RICHMOND 1 | RICHMOND, Richmond (city), VA | Pass | State |
| 2025-10-01 | TRANSCONTINENTAL GAS PIPELINE - STATION 175 | SCOTTSVILLE, Fluvanna, VA | Pass | State |
| 2025-09-25 | HRSD - WILLIAMSBURG WASTEWATER TREATMENT PLANT | WILLIAMSBURG, James City, VA | Pass | State |
| 2025-09-18 | LEWIN ASPHALT INC - PORTABLE 81715 | WINCHESTER, Frederick, VA | Pass | State |
| 2025-09-18 | QTS RICHMOND DATA CENTER — high-priority violation on file | SANDSTON, Henrico, VA | Pass | State |
| 2025-09-17 | VANTAGE DATA CENTERS VA2 LLC | STERLING, Loudoun, VA | Pass | State |
| 2025-09-17 | TRANSCO COMPRESSOR STATIONS 165 AND 166 | CHATHAM, Pittsylvania, VA | Pass | State |
| 2025-09-10 | BUCKEYE SE TERMINALS LP - ROANOKE | ROANOKE, Roanoke, VA | Pass | State |
| 2025-09-09 | GLOBAL CELLULOSE FIBERS - FRANKLIN MILL | FRANKLIN, Isle of Wight, VA | Pass | State |
| 2025-09-09 | ADVANSIX RESINS AND CHEMICALS LLC - HOPEWELL PLANT — high-priority violation on file | HOPEWELL, Hopewell (city), VA | Pass | State |
| 2025-09-05 | WESTROCK VIRGINIA LLC - COVINGTON | COVINGTON, Covington (city), VA | Pass | State |
| 2025-08-28 | DOMINION/ODEC - CLOVER POWER STATION — high-priority violation on file | CLOVER, Halifax, VA | Pass | State |
| 2025-08-27 | GLOBAL CELLULOSE FIBERS - FRANKLIN MILL | FRANKLIN, Isle of Wight, VA | Pass | State |
| 2025-08-27 | GLOBAL CELLULOSE FIBERS - FRANKLIN MILL | FRANKLIN, Isle of Wight, VA | Pass | State |
| 2025-08-26 | COLUMBIA GAS TRANSMISSION CORPORATION GALA COMPRES | EAGLE ROCK, Botetourt, VA | Pass | State |
| 2025-08-26 | GLOBAL CELLULOSE FIBERS - FRANKLIN MILL | FRANKLIN, Isle of Wight, VA | Pass | State |
| 2025-08-26 | WESTROCK CP LLC - WEST POINT | WEST POINT, King William, VA | Pass | State |
| 2025-08-26 | WESTROCK CP LLC - WEST POINT | WEST POINT, King William, VA | Pass | State |
| 2025-08-22 | WESTROCK VIRGINIA LLC - COVINGTON | COVINGTON, Covington (city), VA | Pass | State |
| 2025-08-22 | WESTROCK VIRGINIA LLC - COVINGTON | COVINGTON, Covington (city), VA | Pass | State |
| 2025-08-22 | WESTROCK VIRGINIA LLC - COVINGTON | COVINGTON, Covington (city), VA | Pass | State |
| 2025-08-21 | DOMINION ENERGY - VIRGINIA CITY HYBRID ENERGY CENTER | ST PAUL, Wise, VA | Pass | State |
| 2025-08-20 | INGENCO WHOLESALE POWER LLC - HENRICO | GLEN ALLEN, Henrico, VA | Pass | State |
| 2025-08-20 | ENVIVA SOUTHAMPTON | FRANKLIN, Southampton, VA | Pass | State |
| 2025-08-20 | WESTROCK VIRGINIA LLC - COVINGTON | COVINGTON, Covington (city), VA | Pass | State |
| 2025-08-19 | ENVIVA SOUTHAMPTON | FRANKLIN, Southampton, VA | Pass | State |
| 2025-08-13 | OWENS-BROCKWAY GLASS CONTAINER INC - RINGGOLD | RINGGOLD, Pittsylvania, VA | Pass | State |
| 2025-08-12 | WESTROCK CP LLC - HOPEWELL | HOPEWELL, Hopewell (city), VA | Pass | State |
| 2025-08-06 | O-N MINERALS (CHEMSTONE) COMPANY PORTABLE 81809 | WINCHESTER, Frederick, VA | Pass | State |
| 2025-08-06 | ADVANSIX PORTSMOUTH PLANT | PORTSMOUTH, Portsmouth (city), VA | Pass | State |
| 2025-07-29 | US NAVY - NORFOLK NAVAL SHIPYARD | PORTSMOUTH, Portsmouth (city), VA | Pass | State |
| 2025-07-24 | GARDENCORE | CASTLEWOOD, Russell, VA | Fail | State |
| 2025-07-24 | JD WATSON & ASSOCIATES INC | BRISTOL, Washington, VA | Pass | State |
| 2025-07-23 | COMMONWEALTH CHESAPEAKE POWER STATION | NEW CHURCH, Accomack, VA | Pass | State |
| 2025-07-17 | WESTROCK CP LLC - HOPEWELL | HOPEWELL, Hopewell (city), VA | Pass | State |
| 2025-07-10 | GP BIG ISLAND LLC | BIG ISLAND, Bedford, VA | Pass | State |
| 2025-07-10 | ROANOKE CEMENT COMPANY | TROUTVILLE, Botetourt, VA | Pass | State |
| 2025-07-01 | SWIFT CREEK RENEWABLES LLC | CHESTER, Chesterfield, VA | Pass | State |
| 2025-06-25 | COLUMBIA GAS TRANSMISSION CORP-PRINCE GEORGE | PRINCE GEORGE, Prince George, VA | Pass | State |
| 2025-06-24 | NOVO NORDISK PHARMACEUTICAL INDUSTRIES LP | PETERSBURG, Petersburg (city), VA | Pass | State |
| 2025-06-23 | TRANSCO STATION 170 | APPOMATTOX, Appomattox, VA | Pass | State |
| 2025-06-20 | DOMINION/ODEC - CLOVER POWER STATION — high-priority violation on file | CLOVER, Halifax, VA | Pass | State |
| 2025-06-20 | YONDR DATA CENTER | ALDIE, Loudoun, VA | Pass | State |
| 2025-06-18 | ROANOKE CEMENT COMPANY | TROUTVILLE, Botetourt, VA | Pass | State |
| 2025-06-18 | GLOBAL CELLULOSE FIBERS - FRANKLIN MILL | FRANKLIN, Isle of Wight, VA | Pass | State |
| 2025-06-18 | US NAVY - NORFOLK NAVAL SHIPYARD | PORTSMOUTH, Portsmouth (city), VA | Pass | State |
| 2025-06-17 | KING GEORGE LANDFILL INC | KING GEORGE, King George, VA | Pass | State |
| 2025-06-12 | DOMINION ENERGY - VIRGINIA CITY HYBRID ENERGY CENTER | ST PAUL, Wise, VA | Pass | State |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.