Coal Slurry Impoundment
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Coal slurry consists of solid and liquid waste and is a by- product of the coal mining and preparation processes. It is a fine coal refuse and water. Mining generates enormous amounts of solid waste in the form of rocks and dirt. This refuse is used to dam the opening of a hollow between adjacent mountains. After the dam is built, the void behind it is typically filled with millions of gallons of waste slurry from a coal preparation plant. This impounded liquid waste can sometimes total billions of gallons in a single facility.High-profile disasters associated with these slurry impoundments ha...
Coal slurry consists of solid and liquid waste and is a by- product of the coal mining and preparation processes. It is a fine coal refuse and water. Mining generates enormous amounts of solid waste in the form of rocks and dirt. This refuse is used to dam the opening of a hollow between adjacent mountains. After the dam is built, the void behind it is typically filled with millions of gallons of waste slurry from a coal preparation plant. This impounded liquid waste can sometimes total billions of gallons in a single facility.High-profile disasters associated with these slurry impoundments have called into question their safety. In February 1972, three dams holding a mixture of coal slurry and water in Logan County, West Virginia failed in succession: 130 million gallons of toxic water were released in the Buffalo Creek Flood. Out of a population of 5,000 people, 125 people were killed, 1,121 were injured, and over 4,000 were left homeless.
