EPA Air · stack tests by state, industry and year
Data processing and hosting (NAICS 5182): stack tests in Virginia, 2026
- 19Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2026 at a Virginia source whose primary industry code is NAICS 5182. A facility filing more than one industry code is counted under the first one on its record.
Data processing and hosting (NAICS 5182) in Virginia, other years
Other industries in Virginia, 2026
- Utilities (NAICS 2211) 16
- Pipeline transportation (NAICS 4862) 10
- National security and international affairs (NAICS 9281) 9
- Utilities (NAICS 2213) 6
- Paper manufacturing (NAICS 3221) 5
- Educational services (NAICS 6113) 3
- Heavy and civil engineering construction (NAICS 2379) 3
- Waste management and remediation (NAICS 5622) 3
- Wood product manufacturing (NAICS 3219) 3
- Nonmetallic mineral product manufacturing (NAICS 3273) 3
Air-emissions stack tests recorded in Virginia, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-04-30 | ALIGNED DATA CENTERS IAD03 | STERLING, Loudoun, VA | Pending | 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 |
| 2026-04-22 | 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 |
| 2026-04-09 | GAINESVILLE CROSSING DATA CAMPUS - GCDC | GAINESVILLE, Prince William, VA | Pass | State |
| 2026-04-08 | MICROSOFT - GAINESVILLE DATA CENTER - MNZ03 | BRISTOW, Prince William, VA | Pass | State |
| 2026-04-01 | AMAZON DATA SERVICES INC - DCA-060 | STEVENSBURG, Culpeper, VA | Pass | State |
| 2026-03-13 | COMPASS IAD DATACENTER | LEESBURG, Loudoun, VA | Pass | State |
| 2026-03-11 | SI NVA05A, LLC AND SI NVA05D, LLC — high-priority violation on file | MANASSAS, Manassas (city), VA | Pass | State |
| 2026-03-06 | 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 |
| 2026-02-26 | IRON MOUNTAIN INFORMATION MANAGEMENT LLC — high-priority violation on file | MANASSAS, Prince William, VA | Fail | State |
| 2026-02-17 | AMAZON DATA SERVICES INC. IAD450-456 COSNER TECH CAMPUS — high-priority violation on file | FREDERICKSBURG, Spotsylvania, VA | Pass | State |
Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.