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What Is The 2015 Gold King Mine Waste Water Spill?

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The 2015 Gold King Mine waste water spill is a 2015 environmental disaster at the Gold King Mine near Silverton, Colorado.[1] On August 5, 2015, workers for Environmental Restoration LLC (a Fenton, Missouri, company under EPA contract to mitigate pollutants from the closed mine) caused the spill when trying to add a tap to the tailing pond for the mine.[2]

Workers accidentally destroyed the dam holding back the pond, spilling 3,000,000 US gallons (11 ML) of polluted mine waste water and tailings, including heavy metals such as cadmium and lead, and other elements, such as arsenic,[3] into Cement Creek, a tributary of the Animas River in Colorado.[4] The EPA was criticized for not warning Colorado and New Mexico until the day after the waste

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