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ABSTRACT
Water samples collected from Iyuku, Edo State, were studied and analyzed for heavy metals. A total of 10 samples were collected from 10 different sampling sites in Iyuku. The samples were studied and analyzed for seven (7) heavy metals namely; Cadmium (Cd), Copper (Cu), Iron (Fe), Manganese (Mn), Lead (Pb), Zinc (Zn) and Nickel (Ni). The results obtained were compared with the NSDWQ standard. The samples were analyzed at a Laboratory, University of Benin. Atomic Absorption Spectrometer (AAS) was used in this study and the average concentration of these heavy metals are 1.58, 0.85, 0.36, 0.07 and 0.05 mg/l for Fe, Zn, Cu, Mn and Ni respectively. Among the analyzed heavy metals, Zn and Cu were below the recommended level set by the Nigerian Standard for Drinking Water Quality (NSDWQ) and World Health Organization (WHO) while Fe, Mn, and Ni were higher than the recommended level set by NSDWQ and WHO for safe drinking water. This imply that the water collected from these sampling areas were contaminated with heavy metals which may have serious health hazard to the people using such water for drinking and other domestic activities.
