Facility
Collahuasi Seawater Pipeline and Desalination System (Tarapacá Region, Chile)
Compañía Minera Doña Inés de Collahuasi (Collahuasi; 44% Glencore, 44% Anglo American, 12% Mitsui) operates Chile's largest copper mine by ore throughput and has invested over $1B in seawater desalination and pipeline infrastructure to supply process water to operations at ~4,700 meters elevation in the Atacama. Collahuasi's seawater system pumps water from the Pacific coast to high-altitude mine operations — a 160+ km pipeline climbing ~4,700 meters. Collahuasi and Escondida together represent the two largest seawater desalination investments in global mining history. Used as Codelco proxy node in edges — Codelco and Collahuasi are the canonical Chilean state/private Atacama copper water dependency cases. Source: https://www.collahuasi.cl/english2/operations/water-management
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