This drinking water project initiated in the framework of a scientific research project in partnership with the IRD and the Paul Sabatier University of Toulouse and in partnership with Experts Solidaires is part of an eco-development context. The Kabupaten of Kaïmana is the gateway to one of the last unexplored territories of the planet, made up of imposing karstic massifs sheltering a fauna and flora of an exceptional richness. The Lengguru Massif, creator of biodiversity, is a unique place for the study of diversification processes and is the key to the success of conservation and preservation of species.