Yanacocha [part of Newmont and Compañía de Minas Buenaventura] wants to inform the public that [t]he environmental management tools from the Environmental Impact Study of La Quinua, which considers the existence of the water delivery point (DCP3) to Rio Grande, were approved at the time by the competent authorities (MEM, with approval of INRENA) and reported, among others, to the regional and local authorities, from 2001.