EPA Air · stack tests by state and year
Air-emissions stack tests in Virginia, 2026
- 98Stack 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 2026; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Virginia, 2026
- Loudoun County 12
- Prince William County 8
- Norfolk (city) County 7
- Halifax County 5
- Botetourt County 4
- Pittsylvania County 4
- Southampton County 4
- Hampton (city) County 3
- Frederick County 3
- Wise County 3
- Fairfax County 3
- Hopewell (city) County 3
Virginia, other years
Air-emissions stack tests recorded in Virginia, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-09-01 | DOMINION/ODEC - CLOVER POWER STATION — high-priority violation on file | CLOVER, Halifax, VA | Pending | State |
| 2026-08-28 | DOMINION ENERGY - ALTAVISTA POWER STATION | ALTAVISTA, Campbell, VA | Pending | State |
| 2026-08-19 | DOMINION ENERGY â FORT BELVOIR PRIVATIZATION | FORT BELVOIR, Fairfax, VA | Pending | State |
| 2026-08-19 | DOMINION ENERGY - VIRGINIA CITY HYBRID ENERGY CENTER | ST PAUL, Wise, VA | Pending | State |
| 2026-08-18 | BRISTOL VIRGINIA INTEGRATED SOLID WASTE FACILITY — high-priority violation on file | BRISTOL, Bristol (city), VA | Pending | State |
| 2026-08-11 | COLUMBIA GAS TRANSMISSION CORPORATION GALA COMPRES | EAGLE ROCK, Botetourt, VA | Pending | State |
| 2026-08-11 | HOPEWELL WATER RENEWAL | HOPEWELL, Hopewell (city), VA | Pending | State |
| 2026-07-30 | COMMONWEALTH CHESAPEAKE POWER STATION | NEW CHURCH, Accomack, VA | Pending | State |
| 2026-07-21 | US NAVY - NORFOLK NAVAL SHIPYARD | PORTSMOUTH, Portsmouth (city), VA | Pending | State |
| 2026-07-17 | US ARMY - RAAP — high-priority violation on file | RADFORD, Montgomery, VA | Pending | State |
| 2026-07-17 | ENVIVA SOUTHAMPTON | FRANKLIN, Southampton, VA | Pending | State |
| 2026-07-16 | KYANITE MINING CORPORATION - WILLIS | DILLWYN, Buckingham, VA | Pending | State |
| 2026-07-15 | ENVIVA SOUTHAMPTON | FRANKLIN, Southampton, VA | Pending | State |
| 2026-07-14 | ENVIVA SOUTHAMPTON | FRANKLIN, Southampton, VA | Pending | State |
| 2026-07-14 | STRONGWELL CORPORATION/BRISTOL DIVISION | BRISTOL, Bristol (city), VA | Pending | State |
| 2026-07-08 | CORRCHOICE LLC | AMHERST, Amherst, VA | Pending | State |
| 2026-07-07 | BLAIR ASPHALT LLC | SUFFOLK, Suffolk (city), VA | Pending | State |
| 2026-06-30 | SOLSTICE ADVANCED MATERIALS US INC - SOUTH CHESTERFIELD | COLONIAL HEIGHTS, Chesterfield, VA | Pending | State |
| 2026-06-29 | ROANOKE CEMENT COMPANY | TROUTVILLE, Botetourt, VA | Pass | State |
| 2026-06-24 | MOLSON COORS BEVERAGE COMPANY USA LLC | ELKTON, Rockingham, VA | Pass | State |
| 2026-06-19 | DOMINION - POSSUM POINT POWER STATION | DUMFRIES, Prince William, VA | Pending | State |
| 2026-06-19 | DOMINION - POSSUM POINT POWER STATION | DUMFRIES, Prince William, VA | Pending | State |
| 2026-06-03 | DOMINION ENERGY - VIRGINIA CITY HYBRID ENERGY CENTER | ST PAUL, Wise, VA | Pass | State |
| 2026-05-27 | PILGRIM'S PRIDE CORPORATION | EDINBURG, Shenandoah, VA | Pass | State |
| 2026-05-22 | GP BIG ISLAND LLC | BIG ISLAND, Bedford, VA | Pass | State |
| 2026-05-20 | WESTROCK CP LLC - WEST POINT | WEST POINT, King William, VA | Pass | State |
| 2026-05-13 | CARDINAL ENERGY CORPORATION | MIDDLETOWN, Frederick, VA | Pass | State |
| 2026-05-13 | GLOBAL CELLULOSE FIBERS - FRANKLIN MILL | FRANKLIN, Isle of Wight, VA | Pass | State |
| 2026-05-12 | TRANSCO COMPRESSOR STATIONS 165 AND 166 | CHATHAM, Pittsylvania, VA | Pass | State |
| 2026-05-11 | TRANSCO COMPRESSOR STATIONS 165 AND 166 | CHATHAM, Pittsylvania, VA | Pass | State |
| 2026-05-11 | TRANSCO COMPRESSOR STATIONS 165 AND 166 | CHATHAM, Pittsylvania, VA | Pass | State |
| 2026-05-07 | DOMINION/ODEC - CLOVER POWER STATION — high-priority violation on file | CLOVER, Halifax, VA | Pass | State |
| 2026-05-01 | WESTROCK CP LLC - WEST POINT | WEST POINT, King William, VA | Pass | State |
| 2026-04-30 | EAST TENNESSEE NATURAL GAS LLC-STATION 3401 | MCCLURE, Dickenson, VA | Pass | State |
| 2026-04-30 | ALIGNED DATA CENTERS IAD03 | STERLING, Loudoun, VA | Pending | State |
| 2026-04-30 | HRSD - VIRGINIA INITIATIVE WASTEWATER TREATMENT PLANT | NORFOLK, Norfolk (city), VA | Pass | State |
| 2026-04-29 | AMAZON DATA SERVICES, INC. IAD 50 IAD 60 IAD-71 IAD-78 IAD-79 IAD-80 | ASHBURN, Loudoun, VA | Pass | State |
| 2026-04-24 | NTT GLOBAL DATA CENTERS AMERICAS, INC. | ASHBURN, Loudoun, VA | Pass | State |
| 2026-04-24 | AMAZON DATA SERVICES, INC. IAD-144 IAD-145 | STERLING, Loudoun, VA | Pass | State |
| 2026-04-24 | MICROSOFT CORPORATION â LEESBURG DATA CENTER (IAD01-02-03-04-05) — high-priority violation on file | LEESBURG, Loudoun, VA | Pending | State |
| 2026-04-23 | QTS INVESTMENT PROPERTIES MANASSAS LLC | MANASSAS, Prince William, VA | Pass | State |
| 2026-04-22 | AMAZON DATA SERVICES, INC. IAD-51 IAD-56 IAD-88 IAD-89 | STERLING, Loudoun, VA | Pass | State |
| 2026-04-22 | MICROSOFT CORPORATION â LEESBURG DATA CENTER (IAD01-02-03-04-05) — high-priority violation on file | LEESBURG, Loudoun, VA | Pending | State |
| 2026-04-22 | TRANSCONTINENTAL GAS PIPELINE-STATION 185 | MANASSAS, Prince William, VA | Pass | State |
| 2026-04-22 | HOPEWELL WATER RENEWAL | HOPEWELL, Hopewell (city), VA | Fail | State |
| 2026-04-20 | TRANSCO COMPRESSOR STATIONS 165 AND 166 | CHATHAM, Pittsylvania, VA | Pass | State |
| 2026-04-16 | DOMINION - LADYSMITH CT STATION | WOODFORD, Caroline, VA | Pass | State |
| 2026-04-15 | HP HOOD LLC | WINCHESTER, Frederick, VA | Pass | State |
| 2026-04-14 | LSC COMMUNICATIONS BOOK, LLC - HARRISONBURG NORTH | HARRISONBURG, Rockingham, VA | Pass | State |
| 2026-04-09 | GAINESVILLE CROSSING DATA CAMPUS - GCDC | GAINESVILLE, Prince William, VA | Pass | State |
| 2026-04-08 | ROANOKE CEMENT COMPANY | TROUTVILLE, Botetourt, VA | Pass | State |
| 2026-04-08 | MICROSOFT - GAINESVILLE DATA CENTER - MNZ03 | BRISTOW, Prince William, VA | Pass | State |
| 2026-04-08 | BIMBO BAKEHOUSE LLC | ROANOKE, Roanoke (city), VA | Pass | State |
| 2026-04-07 | AMERICAN ELECTRIC POWER-CLINCH RIVER PLANT | CLEVELAND, Russell, VA | Pass | State |
| 2026-04-02 | US NAVY - NAVAL STATION NORFOLK | NORFOLK, Norfolk (city), VA | Pass | State |
| 2026-04-02 | US NAVY - NAVAL STATION NORFOLK | NORFOLK, Norfolk (city), VA | Pass | State |
| 2026-04-01 | AMAZON DATA SERVICES INC - DCA-060 | STEVENSBURG, Culpeper, VA | Pass | State |
| 2026-04-01 | WARRENTON TRAINING CENTER-STATION B | WARRENTON, Fauquier, VA | Pass | State |
| 2026-03-31 | US NAVY - NAVAL STATION NORFOLK | NORFOLK, Norfolk (city), VA | Pass | State |
| 2026-03-31 | US NAVY - NAVAL STATION NORFOLK | NORFOLK, Norfolk (city), VA | Pass | State |
| 2026-03-26 | NOMAN M. COLE JR. WATER RECYCLING FACILITY | LORTON, Fairfax, VA | Pass | State |
| 2026-03-26 | HRSD - VIRGINIA INITIATIVE WASTEWATER TREATMENT PLANT | NORFOLK, Norfolk (city), VA | Pass | State |
| 2026-03-25 | REWORLD ALEXANDRIA/ARLINGTON, LLC | ALEXANDRIA, Alexandria (city), VA | Pass | State |
| 2026-03-13 | COMPASS IAD DATACENTER | LEESBURG, Loudoun, VA | Pass | State |
| 2026-03-11 | COLUMBIA GAS TRANSMISSION CORP EMPORIA | GREENSVILLE, Greensville, VA | Pass | State |
| 2026-03-11 | HRSD - WILLIAMSBURG WASTEWATER TREATMENT PLANT | WILLIAMSBURG, James City, VA | Pass | State |
| 2026-03-11 | SI NVA05A, LLC AND SI NVA05D, LLC — high-priority violation on file | MANASSAS, Manassas (city), VA | Pass | State |
| 2026-03-10 | COLUMBIA GAS TRANSMISSION CORP-PRINCE GEORGE | PRINCE GEORGE, Prince George, VA | Pass | State |
| 2026-03-06 | ISKANDER (LC-1A) JAMSHID (LC-1B) KAVEH (LC2) LOHRASP VENTURES (LC3) — high-priority violation on file | ASHBURN, Loudoun, VA | Pass | State |
| 2026-03-05 | WHEELER DATA CENTER | STERLING, Loudoun, VA | Pending | State |
| 2026-03-05 | STACK INFRASTRUCTURE - SI NVA06A LLC | LEESBURG, Loudoun, VA | Pass | State |
| 2026-03-05 | IRON MOUNTAIN INFORMATION MANAGEMENT LLC — high-priority violation on file | MANASSAS, Prince William, VA | Pass | State |
| 2026-02-27 | VANTAGE DATA CENTER VA3 LLC — high-priority violation on file | ASHBURN, Loudoun, VA | Fail | State |
| 2026-02-27 | UNIVERSITY OF VIRGINIA | CHARLOTTESVILLE, Charlottesville (city), VA | Pass | State |
| 2026-02-26 | IRON MOUNTAIN INFORMATION MANAGEMENT LLC — high-priority violation on file | MANASSAS, Prince William, VA | Fail | State |
| 2026-02-26 | UNIVERSITY OF VIRGINIA | CHARLOTTESVILLE, Charlottesville (city), VA | Pass | State |
| 2026-02-25 | DOMINION ENERGY - VIRGINIA CITY HYBRID ENERGY CENTER | ST PAUL, Wise, VA | Pass | State |
| 2026-02-20 | QTS RICHMOND DATA CENTER — high-priority violation on file | SANDSTON, Henrico, VA | Pass | State |
| 2026-02-20 | DOMINION ENERGY - HOPEWELL POWER STATION | HOPEWELL, Hopewell (city), VA | Pass | State |
| 2026-02-18 | O-N MINERALS (CHEMSTONE) COMPANY - MIDDLETOWN | MIDDLETOWN, Frederick, VA | Pass | State |
| 2026-02-18 | DOMINION - SOUTHAMPTON POWER STATION | FRANKLIN, Southampton, VA | Pass | State |
| 2026-02-17 | REWORLD FAIRFAX, LLC | LORTON, Fairfax, VA | Pass | State |
| 2026-02-17 | AMAZON DATA SERVICES INC. IAD450-456 COSNER TECH CAMPUS — high-priority violation on file | FREDERICKSBURG, Spotsylvania, VA | Pass | State |
| 2026-02-12 | US NAVY - NSA HAMPTON ROADS HQ | NORFOLK, Norfolk (city), VA | Pass | State |
| 2026-02-10 | CABINETWORKS GROUP MICHIGAN, LLC - MOUNT JACKSON | MOUNT JACKSON, Shenandoah, VA | Pass | State |
| 2026-02-05 | JMU - JAMES MADISON UNIVERSITY | HARRISONBURG, Harrisonburg (city), VA | Pass | State |
| 2026-02-04 | NEXPERA LLC | NORTH CHESTERFIELD, Chesterfield, VA | Pass | State |
| 2026-01-29 | DOMINION/ODEC - CLOVER POWER STATION — high-priority violation on file | CLOVER, Halifax, VA | Fail | State |
| 2026-01-23 | DOMINION/ODEC - CLOVER POWER STATION — high-priority violation on file | CLOVER, Halifax, VA | Pass | State |
| 2026-01-21 | COLUMBIA GAS TRANSMISSION CORP EMPORIA | GREENSVILLE, Greensville, VA | Pass | State |
| 2026-01-15 | NOVEC ENERGY PRODUCTION HALIFAX COUNTY BIOMASS | SOUTH BOSTON, Halifax, VA | Pass | State |
| 2026-01-14 | ROANOKE CEMENT COMPANY | TROUTVILLE, Botetourt, VA | Pass | State |
| 2026-01-12 | US NAVY - NORFOLK NAVAL SHIPYARD | PORTSMOUTH, Portsmouth (city), VA | Pass | State |
| 2026-01-09 | HAMPTON ROADS BRIDGE TUNNEL I-64 EXPANSION - SOUTH ISLAND | HAMPTON, Hampton (city), VA | Pass | State |
| 2026-01-07 | HAMPTON ROADS BRIDGE TUNNEL I-64 EXPANSION - NORTH ISLAND | HAMPTON, Hampton (city), VA | Pass | State |
| 2026-01-07 | HAMPTON ROADS BRIDGE TUNNEL I-64 EXPANSION - NORTH ISLAND | HAMPTON, Hampton (city), VA | Pass | State |
| 2026-01-07 | WALMART SUPERCENTER #3216 | VIRGINIA BEACH, Virginia Beach (city), VA | Pass | State |
| 2026-01-06 | WALMART SUPERCENTER #4623 | NEWPORT NEWS, Newport News (city), VA | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.