Research Article

Variation of Groundwater and Rainwater Quality in a Nigerian Leper Colony

Rebecca A. Olaoye
Ladoke Akintola University of Technology, Nigeria
* Corresponding author
Akinwale O. Coker
University of Ibadan, Nigeria
Mynepalli K. Sridhar
University of Ibadan, Nigeria
DOI icon 10.24018/ejchem.2021.2.3.68

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Submitted 2021-08-06
Published 2021-08-31

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Table of Contents

Article Main Content

Adequate supply of potable water is a major challenge in most leper colony with emphasis often placed on water needs of “normal” people but little concern on the safe water source for the physically challenged and vulnerable lepers with limited mobility who cannot search for other sources of water outside designated colony. This study was designed to investigate the quality of water sources within a Nigerian leper colony. Periodic characterization of groundwater and rainwater samples was conducted using American Public Health Association (APHA) methods to determine physico-chemical parameters; appearance, odour, colour, taste, chloride, pH, sulphate, copper, zinc, iron, nitrate and bacteriological parameters; coliform organism and Escherichia coli (E-coli) against the world health organization (WHO) drinking water standard. Water samples were clear and odourless. Most of the parameters tested from both sources; groundwater and rainwater were within the recommended standard. Results from short term water quality parameters taken from 2010-2012 were relatively within the same range while the long-term decadal water quality parameters showed slight variation compared to the short term. Heavy metals showed remarkable variation in 2019 while bacteriological parameters from both water sources were above the permissible threshold. For potable use, water sources require adequate treatment. Boiling or disinfection is recommended until water samples have been retested to ascertain that contamination has been eliminated. In addition, home water-treatment through the use of filters, solar disinfection, or flocculants should be provided to make the water safe.

Keywords: Groundwater, Leper settlement, Rainwater quality, Water Standard, Water quality

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