Abstract
River Benue, the second largest river in Nigeria, serves as the major source of municipal water supplies for towns and villages along its course. Water samples from the river were collected at ten stations in the Makurdi metropolitan area (7°44′ N, 8°32′ E) in Benue State, Central Nigeria, for 12 months and analyzed for their heavy metals concentration, along with other water-quality parameters such as turbidity, pH, total dissolved solids and total solids. The results revealed that the mean concentrations of heavy metals in the river was in the following ascending order, Cd < Cu < Zn < Mn < Pb < Cr < Fe. The levels of most of the parameters determined, with the exception of Cd, Cr and Pb were, generally, within acceptable limits for drinking water. From the present study, it is concluded that the River Benue is only moderately contaminated with regard to heavy metals, in the Makurdi metropolitan area.
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Eneji, I.S., Sha’Ato, R. & Annune, P.A. An assessment of heavy metals loading in River Benue in the Makurdi Metropolitan Area in Central Nigeria. Environ Monit Assess 184, 201–207 (2012). https://doi.org/10.1007/s10661-011-1959-0
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DOI: https://doi.org/10.1007/s10661-011-1959-0