Iron Mountain VA-6

Iron Mountain VA-6 is an operating colocation data center in Manassas, Prince William County, Virginia, run by Iron Mountain Incorporated. The site reports a footprint of 181,918 square feet. It draws power from Northern Virginia Electric Cooperative inside the PJM grid.

• Supervisors approve data centers near Manassas apartments, airport

  Prince William Times· Aug 8, 2025
• Iron Mountain starts work on data center campus near Richmond, Virginia

  Data Center Dynamics· May 21, 2025
• Iron Mountain files to expand Manassas data center campus

  Data Center Dynamics· Jan 9, 2025
• Iron Mountain Expands Planned Data Center Capacity in Virginia by more than 350 Megawatts

  Business Wire· Nov 18, 2024
• Iron Mountain acquires data center-zoned land in Manassas, Virginia

  Data Center Dynamics· Nov 18, 2024
• D.C. investor sells Manassas data center site for $113.5M

  The Business Journals· Nov 15, 2024

These tax breaks are recorded to Iron Mountain Incorporated (the operator/parent) and may cover this or other sites — no state names the recipient at the facility level.

• The Climate Change Agreement$0
  HMRC, United Kingdom · granted 2024 · term — yr · source
• The Climate Change Agreement$0
  HMRC, United Kingdom · granted 2023 · term — yr · source

No public record of this facility's water use. We check state withdrawal reporting for self-supplied sites; municipally supplied sites only become visible through a public-records request to the local water utility — a per-facility request tool is coming. If you have a utility document for this site, send it to us.

No reported violations as of last sync.

PJM'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 Index from the nearest AirNow reporting area (Northern Virginia), as of 2026-06-10. Regional context — not this facility's own emissions.

Demographics of the census tract this facility sits in (American Community Survey 5-year estimates). Environmental-justice context for who bears the local impacts.

The nearest public school, George P. Mullen Elementary in Manassas, is 1.2 mi from this site (751 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).

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.