Parâmetros físico-químicos da água do rio sinimbu do litoral norte paraibano

Abstract

This study aims to evaluate the physical and chemical parameters of the water of the Sinimbu River, distributed in nine different points along its course, to determine the quality of its waters. Seven parameters were evaluated using the water quality control manual for technicians working in Water Treatment Plants (BRASIL, 2014) as a methodology to collect and analyze the samples. Based on the results obtained, it was found that most of the measured parameters were within the limits established by CONAMA Resolution No. 357/2005, with the exception of dissolved oxygen (DO) and pH, which presented values above and below the standards required at certain collection points. Regarding the water temperature, although the current legislation does not establish a maximum allowed value (VMP) for fresh, brackish and salt water, but for discharges into the water body and establishes VMP of 40ºC, the results obtained showed variations between the collection points and throughout the year.