Study of groundwater quality supply in neighborhoods from the parauapebas city based on physicochemical parameters
DOI:
https://doi.org/10.6008/CBPC2179-6858.2020.003.0011Keywords:
Subterranean water, Physical-Chemical Parameters, Potability QualityAbstract
Groundwater were sampled at 20 sampling locations of nine nighborhoods of Parauapebas City (Pará State, Brazil) in 2019, with objective of evaluate the quality of groundwater sampled in tubular wells potentially used for human consumption. For all groundwater samples were analyzed nine physicochemical parameters, such as temperature (T), hydrogen potential (pH), electrical conductivity (EC), turbidity (TRB), color, chloride content (Cl-) and total dissolved solids (TDS), with the intention of contributing to the control of the quality of potability groundwater in accordance with the limits established by Ministério da Saúde (Portaria Nº 2914/2011) and the Conselho Nacional de Meio Ambiente (Resolução Nº 396/2008). The physicochemical parameters studied showed that in the groundwater collected in tubular wells in the neighborhood of Da Paz, the highest values of total dissolved solids (175.0 to 271.8 mg L-1), electrical conductivity (136.3 at 216.7 µS cm-1) and color (5.0 to 15.0 uH), serving as indicators for the identification of possible anthropogenic contamination activities in the region, mainly in relation to the discharge of domestic effluents. The results obtained from the physicochemical parameters for all samples were below the established limits of potability for groundwater in accordance with Brazilian legislation.
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