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Data center project · Dallas County, Iowa

Microsoft Project Mountain (West Des Moines)

Operating · Microsoft's first West Des Moines campus area, part of the cluster where OpenAI's GPT-4 was trained; listed for context. Also known as: Mountain.

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Status
Operating · as of May 22, 2024
Location
8855 Grand Avenue, West Des Moines · Dallas County
Developer and team
Microsoft
End user
Microsoft
Water
Microsoft's West Des Moines cluster drew about 11.5 million gallons in July 2022, about 6% of the water district's use that month (West Des Moines Water Works, via AP)
Evidence
News reports; primary records not yet obtained
Size class
Under 50 MW (outside main scope; kept for completeness)
Map position approximate, from the reported address or area. Updated Oct. 17, 2026.

Updates, newest first

  1. May 22, 2024 The Register listed Mountain among Microsoft's five existing West Des Moines data centers. (Des Moines Register (via AOL), May 22, 2024)
  2. Sept. 9, 2023 AP reported, from water works figures, that the cluster used about 11.5 million gallons in July 2022 and that the utility will consider more Microsoft projects only if they cut peak water use. (Associated Press (via FOX 9), Sept. 9, 2023)

Conflicts and open questions

  • The AP water figure covers Microsoft's whole West Des Moines cluster, not this site alone.
  • Operating before 2024; listed for context.

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