Water quality in individual groundwater supply systems in Southern Brazil

Authors

DOI:

https://doi.org/10.5902/2179460X65195

Keywords:

Human consumption, Potability, Public Health, Water Resources.

Abstract

This study aimed to evaluate the potability of drinking water in ten municipalities of Rio Grande do Sul State, Brazil, distributed in rural and urban areas, with three different sources: springs, shallow wells, and deep wells. The water quality parameters analyzed from 2017 to 2019 were: pH, temperature, apparent and true color, turbidity, electrical conductivity, total alkalinity, total hardness, nitrate, total phosphorus, total iron, fluoride, biochemical oxygen demand, total coliforms, and Escherichia coli. A macroscopic analysis was also conducted in the surrounding of sampling points. According to the Brazilian and the WHO (World Health Organization) guidelines, some of the analyzed variables, in some sampling points, were in disagreement with the current both guidelines, which are pH, apparent color, turbidity, total iron, total coliforms, and Escherichia coli. The surveillance showed that the deeper the water is abstracted the less are natural and anthropogenic interferences in physical, chemical, and microbiological characteristics of the water; and the protection of the location where the water is abstracted improves its quality. Nonetheless, for the sampled waters it is necessary a disinfection process for posterior human consumption.

Author Biography

Jaqueline Ineu Golombieski, Professor, Department of Engineering and Environmental Technology (DETA), UFSM – Federal University of Santa Maria, Linha 7 de Setembro, BR 386, km 40. 98400-000. Frederico Westphalen – Rio Grande do Sul, Brazil.

Possui Graduação em Ciências Biológicas - Licenciatura Plena, pela Universidade Federal de Santa Maria (1997), Mestrado em Zootecnia na área de Fisiologia de Peixes pela UFSM (2001) e Doutorado em Agronomia na área de Impactos Ambientais dos Agrotóxicos utilizados na lavoura arrozeira sobre a comunidade aquática, com ênfase em vertebrados (peixes) e Invertebrados (Zooplâncton) pela UFSM (2006). Tem Pós-Doutorado na área de Levantamento de Ácidos Graxos de arroz visando Melhoramento Genético de Cultivares. Em 2013 concluiu seu segundo Doutorado na área de Ciências Biológicas - Biodiversidade Animal também pela UFSM trabalhando com parâmetros de qualidade de água e comportamento de jundiás. Possui experiência na área de Zoologia, onde ministrou aula para os cursos de Agronomia, Engenharia Florestal e Zootecnia, com ênfase Zoologia Geral, Fisiologia Animal, Piscicultura e Rizipiscicultura. A docente ministra disciplinas para o curso de Engenharia Ambiental e Sanitária e no Programa de Pós Graduação em Ciência e Tecnologia Ambiental (PPGCTA) sendo atualmente Professor Adjunto da UFSM - Campus de Frederico Westphalen. Atua na área de Monitoramento Ambiental em Recursos Hídricos, desenvolvendo trabalhos principalmente nos seguintes temas: peixes, microcrustáceos, ecotoxicologia, pesticidas, parâmetros de qualidade da água para abastecimento humano e animal. 

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Published

2021-06-30

How to Cite

Schneider, S. I., Golombieski, J. I., Seben, D., Menegazzo, K. C., Wastowski, A. D., Borba, W. F. de, Decezaro, S. T., & Medeiros, R. C. (2021). Water quality in individual groundwater supply systems in Southern Brazil. Ciência E Natura, 43, e65. https://doi.org/10.5902/2179460X65195

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