Public Information

Although most of the information on this wiki is aimed at professional observers, the following material may interest a broader audience.

Decommissioning information

If you'd like to receive email updates about the decommissioning click here.

National Pollutant Discharge Elimination System (NPDES) Permit

Received from Hawaii Department of Health on May 4, 2022:

Conservation District Use Permit

Approved by BLNR Jan 14, 2022; issued by DLNR, Jan 18, 2022; returned by Caltech Jan 24, 2022.

Final Environmental Assessment

Published Dec 8, 2021:

  • Body: pdf (16MB)
  • Appendices A, B, and C of the EA: pdf (51MB)
  • Appendices D through J of the EA: pdf (24MB)

Draft Environmental Assessment

The Draft EA was open for public comment Sep 8, 2021 - Nov 4, 2021:

  • Body: pdf (19MB)
  • Appendices A, B, and C of the EA: pdf (47MB)
  • Appendices D through J of the EA: pdf (24MB)

Comments should be submitted to The public comment period has closed.
Planning Solutions, Inc.
Attn: Mākena White, AICP
711 Kapiʻolani Boulevard, Suite 950
Honolulu, Hawaiʻi 96813
cso-decom@caltech.edu

There were three public workshops, conducted via zoom, presenting the Draft EA with Q&A. Recordings of each meeting can be found below:

Background Information

  • Archive of CSO construction and site plans: link to zip file (111 MB)
  • Historical photos related to Maunakea summit and CSO site: link to zip file (748 MB)

Submitted Documents

  • The Final Environmental Assessment is available above and from the OEQC web page (search for “Caltech”)
  • The Draft Environmental Assessment is available above and from the OEQC web page (search for “Caltech”)
  • The Office of Maunakea Management (OMKM) maintains a page with other public decommissioning documents: Link
    • Direct link to CSO's Site Decommissioning Plan: pdf
    • Direct link to CSO's Notice of Intent to Decommission on OMKM website: pdf

Announcements

(reverse chronological order)

  • 2023 Jan 25: Caltech Submillimeter Observatory Decommissioning Update: see main CSO page
  • 2022 Aug 2: Receipt of Final Permits, Selection of Decommissioning Contractors: Link
  • 2022 Feb 10: Approval of Conservation District Use Permit: Link
  • 2021 Dec 8: Publication of Final Environmental Assessment: Link
  • 2021 Sep 8: Beginning of public comment period for Draft Environmental Assessment: Link
  • 2021 Feb 12: Update on decommissioning: link to Dropbox link
  • 2017 Dec 4: Announcement of first request for public input on decommissioning: link to Dropbox folder with press release, scoping letter, and photos. Information on the history of the CSO is available below.
  • 2015 Sep 23: Announcement of the end of CSO operations: Link
  • 2009 Apr 30: Announcement of plans to decommission the CSO: Link

Media Coverage

General information

Older material

cso/outreach/outreach.txt · Last modified: 2023-03-15 20:59 by sradford
 
Recent changes RSS feed Donate Powered by PHP Valid XHTML 1.0 Valid CSS Driven by DokuWiki