Análise dos impactos ambientais causados pela poluição e contaminação do Rio das Pedrinhas / Camaragibe / Pernambuco.

Abstract

The disorderly occupation that occurs due to a lack of adequate planning when forming a subdivision near a body of water or the irregular occupation of riverbanks by people in need of housing, as well as the lack of urban sanitation, leads to the deterioration of water bodies such as rivers, streams, creeks, etc., through the untreated discharge of sanitary and domestic effluents, as well as solid material into these water bodies. Thus, this research aims to analyze the environmental impacts caused in the Pedrinhas River, whose research sought to analyze the levels of pollution and contamination, the point and diffuse polluting sources, the impacts caused by pollution and contamination, and the perception of the residents of the surrounding area. To prove the daily observation, bibliographic research, collection of samples of river water, which were analyzed by the Pernambuco Research Institute - ITEP, and a field survey involving fifty residents of the neighborhoods mentioned above were used. The parameters chosen for the analysis were the following: Biochemical Oxygen Demand (BOD), Dissolved Oxygen (DO), Total Phosphorus, Total Nitrogen, Hydrogen Potential (pH), Temperature and Turbidity. The results obtained from the samples were compared with the parameters determined by CONAMA Resolution 357/2005.