St. Loius Tunnel, Rico, Colorado

Relief Well Design and Construction

In 2015 a debris plug, consisting of collapsed soil and mine timbers ar the entrance to the Gold King Mine in southwestern Colorado broke free, releasing three million gallons of contaminated water into the Animas River. The water, containing high levels of arsenic, lead, and other heavy metals, flowed downstream through Colorado, New Mexico, and Utah, resulting in millions of dollars of natural resource damage.

In 2015 a debris plug, consisting of collapsed soil and mine timbers ar the entrance to the Gold King Mine in southwestern Colorado broke free, releasing three million gallons of contaminated water into the Animas River. The water, containing high levels of arsenic, lead, and other heavy metals, flowed downstream through Colorado, New Mexico, and Utah, resulting in millions of dollars of natural resource damage.

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