Qualidade da água na bacia hidrográfica do Rio Ivaí, Estado do Paraná, a partir da utilização de parâmetros físicos, químicos e microbiológicos

Abstract

Due to the pressure that water resources have suffered, it is necessary to monitor the water quality, because it can become a limited resource to human needs.The Ivaí river basin is used for municipality’s public supply of Paraná. Based on the premise that different types of land use can influence water quality monitoring is essential. Along the basin land use is diversified, with intensive agriculture, predominantly planting sugar cane, corn, oats, soybeans, and mixed use, listing even if the economy is based on production of pigs and gallinaceous, beyond the areas of pasture and urbanization. All this occupation generates contamination and affects water quality. This study evaluated the water quality parameters in three different sections along the Ivaí river basin and it qualities of these waters was estimated from the degree of statistical tools. The result shows that the flow rate is the most significant variable influencing the other parameters of water quality, being responsible for the transport of pollutants from the various uses and occupations in the watershed along the river, showing that land use influences the way significant water quality, because contamination caused by the production of animals and urbanization originating from the decomposing organic matter.