CHEVRON QUESTA MINE
Superfund Site Profile
The Chevron Questa Mine site is located near the Village of Questa in Taos County, New Mexico. The Site includes a former molybdenum mine and milling facility on 3 square miles of land and tailing impoundments on about 1.5 square miles of land. A pipeline running along State Highway 38 connects the milling facility to the tailings impoundments.
The Chevron Questa Mine, previously known as the Molycorp Mine, operated intermittently from 1920 until 2014, when Chevron Mining Inc. (CMI) permanently closed the mine. Open pit mining took place from 1965 to 1983. Mining operations and waste disposal contaminated soil, sediment, surface ...
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