Quality assessment of surface and groundwater in the Peruaçu River basin

Authors

  • Bárbara Thaíssa da Silva Barros Geógrafa e Mestra em Geologia pela Universidade Federal dos Vales do Jequitinhonha e Mucuri, Brasil
  • Hernando Baggio Filho Departamento de Geografia e do Programa de Pós-Graduação em Geologia da Universidade Federal dos Vales do Jequitinhonha e Mucuri, Brasil
  • Matheus Simões Santos Doutorando em Geociências-Geoquímica pela Universidade Federal Fluminense, Brasil
  • Luiz Eduardo Panisset Travassos Professor do Programa de Pós-Graduação em Geografia, PUC Minas, Brasil
  • Frank Alison de Carvalho Doutorando em Ciência Florestal pela Universidade Federal dos Vales do Jequitinhonha e Mucuri, Brasil

DOI:

https://doi.org/10.5752/P.2318-2962.2024v34n77p581

Keywords:

Cavernas do PeruaçuNational Park, Water, Geochemistry, Environment

Abstract

Geochemical quality assessment of water resources in Conservation Units is still very nascent, even more so in karst areas. Geochemical sampling is extremely useful for identifying and assessing water bodies' physical-chemical and chemical parameters. On this point, the research aimed to analyze the quality of surface and underground water in the Peruaçu river basin through the analysis of physical-chemical, chemical and microbiological parameters, comparing the results with the guiding values by CONAMA resolutions 357/05 and 396/08. Two field samplings were carried out, totalling 15 points per climatic period. Regarding seasonality, there was a general difference in nearly all parameters except T and pH. In some points, the levels of LAS, NO2, and NO3 do not comply with legislation, presenting anthropogenic pollution. The metallic and semi-metallic elements Ca, Mg, Al, Fe, Mn, Pb and Zn, in some of the sampled points, are also in non-compliance with legislation, with their contamination being natural, related to the lithologies of the Bambuí Group. From a microbiological point of view, most points were positive for Escherichia Coli. Anthropogenic pollution and natural contamination were identified in the study area, with significant anthropogenic influence.

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Published

2024-04-14

How to Cite

Barros, B. T. da S., Baggio Filho, H., Santos, M. S. ., Travassos, L. E. P., & Carvalho, F. A. de . (2024). Quality assessment of surface and groundwater in the Peruaçu River basin. Caderno De Geografia, 34(77), 581. https://doi.org/10.5752/P.2318-2962.2024v34n77p581

Issue

Vol. 34 No. 77 (2024): April to March

Section

ARTIGOS

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