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  2. Emergency Response to Gold King Mine Release

Internal Investigation Documents

The 2014 GK RFP draft document is not included for release at this time because it is draft and must be reviewed by the contractor (ER) for Confidential Business Information claims.

  • REPORT ADDENDUM: Dec. 8, 2015 Addendum to EPA Internal Review of Gold King Mine Incident (pdf) (124.8 KB)
  • REPORT ADDENDUM: Attachment 1 (pdf) (463.57 KB)
  • REPORT ADDENDUM: Attachment 2 (pdf) (833.7 KB)
  • REPORT ADDENDUM: Attachment 3 (pdf) (557.33 KB)
  • REPORT ADDENDUM: Attachment 4 (pdf) (3.41 MB)
  • REPORT ADDENDUM: Attachment 5 (pdf) (3.13 MB)
  • REPORT ADDENDUM: Attachment 6 (pdf) (256.82 KB)
  • REPORT ADDENDUM: TRANSMITTAL MEMO (pdf) (687.58 KB)
  • SUMMARY REPORT: EPA Internal Review of the August 5, 2015 Gold King Mine Blowout (pdf) (348.4 KB)
  • Attachments A-G: List of documents reviewed by the Team (Attachment C is the map) (pdf) (2.91 MB)
  • Animas River Stakeholders Group, January 2015, Meeting Summary (pdf) (276.96 KB)
  • Animas River Stakeholders Group, May 2015, Meeting Summary (pdf) (96.56 KB)
  • Colorado Division of Reclamation, Mining & Safety, 2014, Approximation of Mine Portal Elevations and Mine Pool Elevations Map, 1 p. (pdf) (3.38 MB)
  • Colorado Division of Reclamation, Mining & Safety, 2015, Red and Bonita, Sunnyside, Gold King, and Mogul and Grand Mogul Mine Workings Map, 1 p. (pdf) (3.71 MB)
  • Colorado Division of Reclamation, Mining & Safety, 2008, Project Summary: Gold King Bond Forfeiture M-1986-013, Phase I – 2008, Permanent Portal Discharge Diversion Structure, 2 p. (pdf) (2.48 MB)
  • Colorado Division of Reclamation, Mining & Safety, 2009, Project Summary: Gold King Bond Forfeiture M-1986-013, Phase II – 2009 Reclamation at the Sampson, Number One, and Level Seven Portals, 4 p. (pdf) (7.18 MB)
  • Environmental Protection Agency, September 2014, POLREP#1 (Initial Pollution Report) – Removal Assessment, Gold King Mine Site, 9 p. (pdf) (4.3 MB)
  • MEMORANDUM: Transmittal of EPA Internal Gold King Mine Review Report, August 24, 2015 (pdf) (280.9 KB)

Emergency Response to Gold King Mine Release

  • Frequent Questions
  • Press Releases and Updates
  • Gold King Mine Settlements
  • Learn How the Spill Happened
Contact Us About Emergency Response to the Gold King Mine Release
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on November 4, 2024
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