EPA Air · stack tests by county and year
Air-emissions stack tests in Prince William County, Virginia, 2025
- 6Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Prince William County, Virginia during 2025. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Prince William County facility page.
Prince William County, Virginia, 2025
- Inspections 56
Air-emissions stack tests in Prince William County, other years
Air-emissions stack tests recorded in Prince William County, Virginia, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-11-10 | GAINESVILLE CROSSING DATA CAMPUS - GCDC | Pass | State |
| 2025-10-10 | NOVA MANGO FARMS LLC | Pass | State |
| 2025-10-03 | AMAZON DATA SERVICES INC IAD-210/211 | Pass | State |
| 2025-02-06 | AMAZON DATA SERVICES INC IAD-195/196/197/198 | Pass | State |
| 2025-01-30 | NOVA MANGO FARMS LLC | Pass | State |
| 2025-01-29 | QTS INVESTMENT PROPERTIES MANASSAS LLC | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.