Solution to Gold King Mine Spillage
The wastewater’s diverse, high level of heavy metals contamination, including lead, iron, arsenic, aluminum, cadmium, calcium, and copper, required complex methods and solutions to reverse the spillage. The spillage significantly affected River Animas PH (7.8 to 5.8) levels, making it more acidic (Perkins, 2021). Durango, La Plata County was the took the first initiative to the disaster and ordered the river’s closure from any public use and stopped pumping its water for the city use and the city has had carry out daily assessment on the contamination levels of the waterways. While the PH of the river did recover, the orange color in the water seem to persist due to the huge amount of sediment deposited into Cement Creek (Perkins, 2021). For the farmers along the creek who have progressively recorded lower yields as a result of contaminated water the government through Bonita Peak Mining District super fund has aimed to provide fresh irrigation water until the condition changes.
Having accepted responsibility for the disaster, EPA, on August 7 of 2015, commenced their initial plan for containment which would be carried progressively until the heavy contamination was determined to be negligible. EPA devised ways to monitor the water and has been correcting samples every time to keep track of the data. The EPA built settling ponds where the sediments would settle at the bottom. This ensured that the water could be continuously treated before reaching the Animas River. The EPA deployed an interim water treatment facility in Silverton on October 19, 2015, which would constantly monitor the quality of the water flowing in the river in the incoming years. It was determined that the facility would cost $1.5 million to build and $2.4 million in annual operation fees (Perkins, 2021). The facility was designed to treat the runoff wastewater from Gold King and other mining sites in the region. To date, the facility is still operational and filters an estimated 300 gallons per minute of the
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