Learn the Issues

EPA’s DRAFT Analysis of Fate and Transport of Metals in the Animas and San Juan Rivers

This pages contains comments on the Draft Monitoring Plan

EPA Data Shows Water Quality in San Juan River in the Navajo Nation Back to Pre-Event Levels

press release for August 19, 2015

Follow-Up to September 4, 2015 Stanislaus Silverton Meeting

EPA developed a document after the meeting to provide follow-up information on a number of stakeholder questions.

Water Storage Tank Sampling Report

These sampling results were provided to the Navajo Nation regarding emergency water tanks.

September 17, 2015 Update: Documents related to monitoring and sampling plans

September 14, 2015: Interim Sampling Plans

This pages contains documents related to mine work sites across the country, regional contingency plans for downstream notifications, and the plan for Gold King Mine Stakeholders Alerts

EPA Assistant Administrator Mathy Stanislaus' Congressional Testimony on the Gold King Mine Release and subsequent EPA response

This pages contains documents related to

September 8, 2015: Documents related to mine work and stakeholder notifications

This pages contains documents related to mine work sites across the country, regional contingency plans for downstream notifications, and the plan for Gold King Mine Stakeholders Alerts

Gold King Mine Documents - August 28, 2015

Documents describing chronology of Gold King Mine release events.

Internal Investigation Documents

Documents related to the Gold King Mine internal investigation.

Environmental Restoration LLC Cost Estimate

Environmental Restoration LLC Cost Estimate for Gold King

Gold King Health and Safety Plan

Gold King Mine Release: Sampling locations along San Juan River and Lake Powell

Map showing sampling locations along the San Juan River and Lake Powell

Decision on Federal Tort Claims Act Claims

Summary of EPA decisions on the administrative claims brought under the Federal Tort Claims Act, for damages related to the Gold King Mine incident

Peer Review Materials for “Analysis of the Transport and Fate of Metals Released from The Gold King Mine in the Animas and San Juan Rivers”

March 2016 Memo: Planning for Removal and Remedial Activities at Hardrock Mining and Mineral Processing Sites with Fluid Hazards

Memo from EPA Assistant Administrator Mathy Stanislaus, regarding planning for removal and remedial activities at hardrock mining and mineral processing sites with fluid hazards, and to share the Agency’s expectations for the work that is done at these sit