![]() Bauxite refining, which uses bauxite ore to produce alumina, began in 1958. The PCO Plant was an aluminum smelter from 1948 to 1980. The area includes the 3,500-acre Alcoa Point Comfort Operations (PCO) Plant, the 420-acre Dredge Island, and parts of Lavaca Bay, Cox Bay, Cox Creek, Cox Cove, Cox Lake and western Matagorda Bay. The 5,410-acre Alcoa (Point Comfort)/Lavaca Bay Superfund site is in Calhoun County, Texas.
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