Compass Iad Datacenter
42254 THUNDERBALL DRIVE · LEESBURG, Loudoun County, VA
Source: Primary source
Compass Iad Datacenter is an operating data center in Loudoun County, VA. DataCentersExposed has documented 1 tracked EPA enforcement record at this site.
Reporting by Eric Keller · Updated Jun 12, 2026
Most sites are mapped — located but awaiting a second source. How we verify
Dot size = disclosed capacity (MW). Smallest = undisclosed, not small.
Overview
source: linkNo description yet.
In the news
source: Google News- Supervisors to Reconsider Denial of Leesburg Area Data CenterLoudounNow.com· May 8, 2026
- Peterson Co. plots three-building data center campus in Leesburg, VirginiaData Center Dynamics· May 1, 2026
- Two-building data center campus eyed outside Leesburg, VirginiaData Center Dynamics· Apr 15, 2026
- Data Center Developer Offers Ashburn Homeowners $4.4 Million Per AcreNorthern Virginia Magazine· Mar 24, 2026
- Town of Leesburg Purchases Rock Spring FarmNorthern Virginia Magazine· Mar 12, 2026
- TA Realty sells two data center buildings in Leesburg, VirginiaData Center Dynamics· Feb 5, 2026
Tax breaks & subsidies
source: Good Jobs First / GASB 77No per-deal tax break is linked to this site yet. No state discloses the recipient of a data-center abatement at the facility level, so per-site deals are rare in the public record. If you have a development agreement or board resolution for this site, send it to us.
Virginia reported $1B in Data Center Retail Sales and Use Tax Exemption (Va. Code § 58.1-609.3(18)) for FY2024 (Virginia Joint Legislative Audit and Review Commission (JLARC) / Weldon Cooper Center). Program-wide, not attributable to this site.
Water use
No measured record exists, so this is a low-confidence model from 75 MW (interconnection capacity): 1.8 L/kWh cooling (temperate climate) + 0.5 gal/kWh embedded in PJM grid mix. How we estimate. Have a utility document? Send it and we'll replace this with the real figure.
EPA permits & violations
source: EPA ECHO- Clean Air Actno penaltyformal · reported 2025-08-21
Environmental permits
source: Permit register- Clean Air Act permitted sourceVA0000005110774160NAICS 518210; ECHO compliance status: Violation w/in 1 Year
- VA DEQ air permit (minor NSR)74160Diesel backup-generator air permit. Program: mNSR. Reg. 74160.
What this site costs the grid
source: PJM RPM auction reportsPJM's capacity auction sets a $/MW-day price that utilities pass on to every household and business in the zone. This site sits in PJM's DOM pricing zone, where soaring data-center demand is a documented driver. See the full zone-by-zone breakdown →
Separately, a typical home in this zone pays an estimated $4 to $10/mo more on the capacity portion of its bill that PJM's market monitor attributes to data-center demand. See your address's full impact →
Air quality near this site
source: AirNowAir Quality Index from the nearest AirNow reporting area (Northern Virginia), as of 2026-06-10. Regional context — not this facility's own emissions.
Who lives nearby
source: Census ACS 2023Demographics of the census tract this facility sits in (American Community Survey 5-year estimates). Environmental-justice context for who bears the local impacts.
Nearest school
source: HIFLD / NCESThe nearest public school, Heritage High in Leesburg, is 2.2 mi from this site (1,432 students).
Schools are sensitive receptors for the noise, backup-generator exhaust, and traffic a large data center brings. Straight-line distance to the nearest public school (HIFLD/NCES, US public schools only).
Hearings timeline
No public-hearing records linked to this site yet. We surface planning-commission and board-of-supervisors dates when a record names a facility. If you know of a hearing on this site, tell us.