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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in VA for 2026. It lists 98 stack tests recorded in 2026.