It is a project of Minera Yanacocha, a company mainly owned by Newmont Mining Corporation.
In April 2012, President Ollanta Humala, who had been elected after promising to place "water over gold",[4] said that the project needed a number of changes to proceed.
[5] Protesters expressed concerns about perceived impacts of the project on the local water supply.
[2] Demonstrations ceased after President Ollanta Humala on December 4, 2012 granted the country's armed forces extra power for 60 days, including the right to make arrests without warrant.
[2] Opponents of the project pointed to risks for ecosystem and water resources.