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


Article Title: Hydrogeochemical Characteristics of the Opi Lakes: Potential Role towards Sustainable Development in Southeastern Nigeria
by Dr. O.U Oyesanya

This paper assesses the water quality and geochemical characteristics of the Opi lakes (Varavara, Ogelube, Iyikpor, Iyikpa), and River Uhere and the possible Contributions towards sustainable development. Water samples were collected and analysed for cations, anions, heavy metals, and nutrients using the procedures and methods for water chemistry published by the American Public Health Association (A.P.H.A); American water works Association and Water pollution Central Federation (W.P.C.F). Geochemical plots (Stiff diagram, Piper's trilinear diagram) were used to classify the hydrogeochemical facies of the water. Hydrogeochemical studies indicate that all the lakes' water is soft with low concentrations of dissolved chemical constituents. Their pH are within the range of 6.6 to 7.1. Calcium is the dominant cation while bicarbonate is the dominant anion in all the lakes and river water. Hydrochemical constituents, except for iron (Fe), lead (Pb) and zinc (Zn) are within the World Health Organization (WHO) and the Standard Organization of Nigeria (SON) drinking water standards. The water is suitable for fishing activities, irrigation farming and to promote tourism. Based on findings of this study, it is clear that the lakes can support a wide range of activities of which, if capacity is developed to handle them, can effectively contribute to national sustainable development.
Keywords: water quality, geochemical characteristics, opi lakes, sustainable development
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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



Copyright © Journal of Emerging Trends in Engineering and Applied Sciences 2010