An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Water Quality Since the Gold King Mine Acid Mine Drainage Release

Gold King Mine Acid Mine Drainage Release – Analysis of Fate and Transport of Metals in the Animas and San Juan Rivers
Water Quality Since the Release Event August
2015 to November 2016

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.

Gold King Mine Acid Mine Drainage Release – Analysis of Fate and Transport of Metals in the Animas and San Juan Rivers | Water Quality Since the Release Event August 2015 to November 2016 (PDF)(20 pp, 3 MB)