Avaliação das condições ambientais da área de nascentes do rio Lajeado Ipiranga, Campinas do Sul (RS) – ano 2021

Abstract

The assessment of springs aims to demonstrate the current situation of the water resource, as well as to assess the impacts of land use and occupation on the quality and quantity of water in a given area. This study aimed to characterize the headwaters region of the Rio Lajeado Ipiranga, located in the city of Campinas do Sul (RS), in the year 2021. For this, the analysis of physical-chemical parameters was used, in addition to the elaboration of a geographic database, in order to identify environmental impacts. The results obtained showed that the use of land around the springs causes changes in the quality and quantity of their water. It was observed that the temporary crop changed the analyzed parameters, mainly in rainy periods. On the other hand, the points with annual cultivation, but with vegetation and fencing showed better results. The grasslands showed changes in water quality even in periods of drought, especially in places with easy access for animals. The springs showed quality for supplying the municipality of Campinas do Sul, being considered within the standards established for Class 1 of Resolution CONAMA 357/2005. The database proved to be a great tool for describing the study sites, especially in hard-to-reach places, in addition to serving as a basis for describing impacts on the environment.