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Journal of Emerging Trends in Engineering and Applied Sciences (JETEAS)


Article Title: Appraisal of Water Quality Status within Ilesha Environs, South -Western Nigeria
by Ayoade Peter Adebayo and Ibitoye Taiwo Abel

The study entails the determination of the water quality level in relation to influential and contributing factors of human activities in selected area of the Basement complex (Ilesha) in South-western- Nigeria. Analysis of samples collected (Rain, surface and ground water) were conducted at the studied area, to determine the physico-chemical and bacteriological characteristics with a view to know the status of contamination and suitability for human consumption. Results of the surface and ground water sample analysis (BOD. COD, Turbidity, Conductivity, Alkalinity, and the Dissolved ions) showed that there are increased values (relative to control) mostly in the highly populated area within the environment, and also evident as compared with the established regulatory criteria (WHO and FMEnv). The coliform count for the bacteriological analysis indicates strongly that some of the boreholes, wells and river samples were contaminated by faecal bacteria that were of human and animal origin. The hydro-geochemical contour maps drawn for the variables in the area show that the hydro-geochemistry of the water samples is highly influenced by the position of the sampled points with respect to population distribution which overwhelmed the influence of ambient geology. Therefore, it is glaring that human activities and population distribution are the influencing factors of the hydro-geochemistry which rendered some of the water quality samples below consumption standard.
Keywords: basement complex, physico-chemical characteristics, hydro-geochemistry, bacteriological content, relative to control, Federal Ministry of Environment(FMEnv).
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ISSN: 2141-7016

Editor in Chief.

Prof. Gui Yun Tian
Professor of Sensor Technologies
School of Electrical, Electronic and Computer Engineering
University of Newcastle
United Kingdom



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