Avaliação da qualidade das águas subterrâneas em poços do estado do Ceará, Brasil

Cecília Leite Costa; Renata Felix de Lima; Germana Costa Paixão; Lydia Dayanne Maia Pantoja

doi:10.5433/1679-0367.2012v33n2p171

Evaluation of quality of groundwater in wells of Ceará state, Brazil

Authors

Cecília Leite Costa Universidade Federal do Ceará
Renata Felix de Lima Companhia de Água e Esgoto do Ceará - CAGECE
Germana Costa Paixão Universidade Estadual do Ceará - UECE
Lydia Dayanne Maia Pantoja Universidade Estadual do Ceará - UECE

DOI:

https://doi.org/10.5433/1679-0367.2012v33n2p171

Keywords:

Wells, Water quality, Sewerage, Total coliforms, Escherichia coli, Physical-chemical parameters.

Abstract

Groundwater, one of the most used fonts in the world for human consumption, has the potential capacity of transmission of diseases caused by pathogenic microorganisms from human and animal feces, or by chemicals in concentrations beyond the standards allowed by Ordinance 2914/2011/MS, making it essential verification and monitoring of its potability. This work aims to evaluate the microbiological and chemical quality for drinking water from wells and correlate it with the sewage level of several places of the State of Ceará. From January 2008 to December 2010 were collected 230 samples of Amazons and deep tubular wells from five geographical regions of the State of Ceará, which were tested for total coliforms and Escherichia coli and physical-chemical analysis (ammonia, nitrite, nitrate and chloride) were made in the laboratories of CAGECE - Ceará Water and Sewerage Company. The results showed high levels of microbial contamination in wells, with 40% of the samples attested presence of total coliforms and 12.2% of E. coli. Physical-chemicals parameters indicated contamination by organic matter in about 10% of the samples. Preventive measures such as increased sewage, should be conducted to prevent the transmission of waterborne diseases.

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Author Biographies

Cecília Leite Costa, Universidade Federal do Ceará

Bióloga graduada pela Universidade Estadual do Ceará. Especialista em Engenharia Ambiental e Saneamento Básico pela Faculdade Integrada do Ceará.

Renata Felix de Lima, Companhia de Água e Esgoto do Ceará - CAGECE

Bióloga graduada pela Universidade Federal do Ceará. Mestre em Microbiologia Clínica pela Universidade Estadual do Rio de Janeiro.

Germana Costa Paixão, Universidade Estadual do Ceará - UECE

Médica veterinária pela Universidade Estadual do Ceará. Mestre em Patologia Médica pela Universidade Federal Ceará.

Lydia Dayanne Maia Pantoja, Universidade Estadual do Ceará - UECE

Bióloga pela Universidade Estadual do Ceará. Mestre em Microbiologia Médica pela Universidade Federal do Ceará.

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Published

2013-03-19

How to Cite

Costa CL, Lima RF de, Paixão GC, Pantoja LDM. Evaluation of quality of groundwater in wells of Ceará state, Brazil. Semin. Cienc. Biol. Saude [Internet]. 2013 Mar. 19 [cited 2024 Nov. 21];33(2):171-80. Available from: https://ojs.uel.br/revistas/uel/index.php/seminabio/article/view/10469

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Issue

Vol. 33 No. 2 (2012)

Section

Artigos

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