Public Comment Form

Commenting open: November 10, 2021 12:00AM PT - December 12, 2021 11:59PM PT.

H5 Data Center - Quincy Expansion

Data center expansion
H5 Data Center submitted an air quality Notice of Construction (NOC) application to expand their existing data center. The data center is located in Quincy at 1711 "M" Street NE. H5 Data Center has 6 emergency generators and 4 cooling towers.
The proposed expansion will add:
  • 12 2.5 MWm emergency generators
  • 8 cooling towers

Ecology determined this proposal satisfies the requirements of Chapters 173-400 and 173-460 WAC. We prepared a draft permit from their application.
Send us comments
  • Let us know by November 19, 2021 if you want an online public hearing. Ecology will hold an online public hearing if we determine there is significant public interest.
  • Comment on the draft permit by December 12, 2021.

Next steps
After the comment periods ends, we will:
  • Hold an online public hearing if we determine there is significant public interest.
  • Review and respond to comments.
  • Issue the final permit, if appropriate.
  • Update those who provide contact information.

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