EPA Air · inspections by county and year
Air-emissions inspections in Loudoun County, Virginia, 2026
- 48Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Each row below is one inspection recorded against a source in Loudoun County, Virginia during 2026. 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 Loudoun County facility page.
Loudoun County, Virginia, 2026
- Stack tests 12
Air-emissions inspections in Loudoun County, other years
Air-emissions inspections recorded in Loudoun County, Virginia, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-08-27 | MERRITT- LS4, LLC | PCE Off-Site | State |
| 2026-07-28 | MWAA - WASHINGTON DULLES INTERNATIONAL AIRPORT | PCE Off-Site | State |
| 2026-07-28 | MERRITT- LS4, LLC | PCE Off-Site | State |
| 2026-07-17 | VANTAGE DATA CENTERS VA2 LLC | PCE On-Site | State |
| 2026-07-15 | POTOMAC ENERGY CENTER LLC | PCE Off-Site | State |
| 2026-07-15 | QTS INVESTMENT PROPERTIES ASHBURN LLC | FCE On-Site | State |
| 2026-07-14 | LOUDOUN COUNTY SOLID WASTE MANAGEMENT FACILITY | PCE Off-Site | State |
| 2026-07-14 | LOUDOUN COUNTY SOLID WASTE MANAGEMENT FACILITY | PCE Off-Site | State |
| 2026-07-09 | NTT GLOBAL DATA CENTERS AMERICAS, INC.- VA1 | PCE Off-Site | State |
| 2026-07-01 | STACK INFRASTRUCTURE - SI NVA06A LLC | PCE Off-Site | State |
| 2026-06-26 | VANTAGE DATA CENTER VA3 LLC — high-priority violation on file | PCE On-Site | State |
| 2026-06-15 | VANTAGE DATA CENTERS VA11, VA12, VA13, VA14, & VA15 | PCE Off-Site | State |
| 2026-06-10 | POTOMAC ENERGY CENTER LLC | PCE Off-Site | State |
| 2026-06-02 | CIRCLE AUTO BODY | FCE On-Site | U.S. EPA |
| 2026-06-02 | CALIBER COLLISION-STERLING FLEET 1719 | FCE On-Site | U.S. EPA |
| 2026-05-28 | VIRGINIA PAVING COMPANY - CHANTILLY | FCE On-Site | U.S. EPA |
| 2026-05-28 | JEFFERSON MILLWORK AND DESIGN | FCE On-Site | U.S. EPA |
| 2026-05-28 | NTT GLOBAL DATA CENTERS AMERICAS, INC. | PCE Off-Site | State |
| 2026-05-27 | ATLANTIC CONTRACTING AND MATERIAL COMPANY | FCE On-Site | U.S. EPA |
| 2026-05-13 | NTT GLOBAL DATA CENTERS AMERICAS, INC. | FCE On-Site | U.S. EPA |
| 2026-05-12 | NTT GLOBAL DATA CENTERS AMERICAS, INC.- VA1 | FCE On-Site | U.S. EPA |
| 2026-05-12 | NTT GLOBAL DATA CENTERS VA2, LLC | FCE On-Site | U.S. EPA |
| 2026-05-08 | AMAZON DATA SERVICES, INC. | FCE On-Site | State |
| 2026-05-08 | AMAZON DATA SERVICES, INC. IAD-140/141/143 | FCE On-Site | State |
| 2026-05-07 | CYRUSONE STERLING IX/X/XI | PCE Off-Site | State |
| 2026-05-05 | STACK INFRASTRUCTURE - SI NVA06A LLC | PCE Off-Site | State |
| 2026-05-04 | VANTAGE DATA CENTER VA3 LLC — high-priority violation on file | PCE Off-Site | State |
| 2026-04-30 | JANELIA RESEARCH CAMPUS - HHMI | PCE Off-Site | State |
| 2026-04-30 | DIGITAL LOUDOUN PKWY CENTER N LLC | PCE Off-Site | State |
| 2026-04-30 | POTOMAC ENERGY CENTER LLC | PCE Off-Site | State |
| 2026-04-30 | POTOMAC ENERGY CENTER LLC | PCE Off-Site | State |
| 2026-04-27 | BHE GT&S - LEESBURG COMPRESSOR STATION | FCE On-Site | State |
| 2026-04-22 | LOUDOUN COMPRESSOR STATION | FCE On-Site | State |
| 2026-04-08 | ISKANDER (LC-1A) JAMSHID (LC-1B) KAVEH (LC2) LOHRASP VENTURES (LC3) — high-priority violation on file | PCE Off-Site | State |
| 2026-04-03 | MICROSOFT CORPORATION â LEESBURG DATA CENTER (IAD01-02-03-04-05) — high-priority violation on file | PCE Off-Site | State |
| 2026-03-05 | VANTAGE DATA CENTERS VA2 LLC | FCE On-Site | State |
| 2026-03-04 | EQUINIX LLC | FCE On-Site | U.S. EPA |
| 2026-03-03 | COMPASS IAD DATACENTER | FCE On-Site | U.S. EPA |
| 2026-02-25 | STACK INFRASTRUCTURE - SI NVA06A LLC | PCE Off-Site | State |
| 2026-02-13 | BHE GT&S - LEESBURG COMPRESSOR STATION | PCE Off-Site | State |
| 2026-02-04 | MWAA - WASHINGTON DULLES INTERNATIONAL AIRPORT | PCE Off-Site | State |
| 2026-01-20 | DIGITAL REALTY - ASHBURN CAMPUS | FCE On-Site | State |
| 2026-01-14 | BHE GT&S - LEESBURG COMPRESSOR STATION | PCE Off-Site | State |
| 2026-01-13 | YONDR DATA CENTER | FCE On-Site | State |
| 2026-01-12 | BHE GT&S - LEESBURG COMPRESSOR STATION | PCE Off-Site | State |
| 2026-01-12 | BHE GT&S - LEESBURG COMPRESSOR STATION | PCE Off-Site | State |
| 2026-01-07 | STACK INFRASTRUCTURE - SI NVA06A LLC | PCE Off-Site | State |
| 2026-01-07 | STACK INFRASTRUCTURE - SI NVA06A LLC | PCE Off-Site | State |
Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.