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Tag: EPA Data from Gold King Mine Response

A settling pond is used at Cement Creek, which was flooded with millions of gallons of mining wastewater, on August 11, 2015 in Silverton, Colorado. The Environmental Protection Agency uses settling ponds to reduce the acidity of mining wastewater so that it carries fewer heavy metals. (Photo by

EPA Continues to Hide Pollution Data on Colorado Toxic Spill

The Environmental Protection Agency (EPA) still won’t provide direct answers to questions about the water exfiltration rates and pollution levels at the Gold King mine immediately before and after the August 5 spill that sent 3 million gallons of toxic waste into the Animas River and turned it orange.