Abstract
This research has as an issue to evaluate the hydrometric levels of groundwater, and its acid and conductivity characteristics in the fluvial plain at the high Paraná River, downstream Porto Primavera Dam. So that can happen, 3 (three) different locals in this fluvial plain will be available between Baía river and Ivinheima river mouth, over an hydrological cycle (2008-2009), through seas…