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Assessment of trace metals in drinking water and groundwater sources in Ota, Nigeria

Anake, W. U. and Benson, N. U. and Akinsiku, A.A. and Ehi-Eromosele, C. O. and Adeniyi, Ifedayo O. (2014) Assessment of trace metals in drinking water and groundwater sources in Ota, Nigeria. International Journal of Scientific and Research Publications, 4 (5). pp. 1-4. ISSN 2250-3153

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Abstract

The levels of six trace metals namely iron, lead, manganese, copper, zinc and nickel were investigated in drinking water and groundwater sources in Ota, Nigeria. Detected concentrations of Mn, Cu and Zn were below the World Health organization and Standard Organization of Nigeria maximum permissible limits. Fe (92%) and Ni (53%) in some drinking water and groundwater sources were found in concentrations that exceeded the maximum permissible limits for these metals. Notably, the levels of Pb were below detection limit in all the bottled, well and borehole water, with exception of the hospital borehole, while the swimming pool had high concentrations of Fe (0.88 mg/L), Pb (0.21 mg/L) and Ni (0.19mg/L) compared to SON (0.30 mg/L), WHO (0.01 mg/L) and WHO (0.07 mg/L) respectively. Pollution indices indicated significant pollution of Pb, Fe and Ni. Overall, the mean metal levels in the sampled water sources followed a descending order, Fe>Cu>Zn>Ni>Pb>Mn. Some of the drinking water and groundwater sources could be considered safe for drinking, but proactive measures should be taken to check the levels of Fe, Pb and Ni in the swimming pool.

Item Type: Article
Uncontrolled Keywords: Water quality, Drinking water, Groundwater, Trace metals, Water pollution
Subjects: Q Science > QD Chemistry
Divisions: Faculty of Engineering, Science and Mathematics > School of Chemistry
Depositing User: Dr. C. O. Ehi-Eromosele
Date Deposited: 14 Apr 2015 09:22
Last Modified: 07 Mar 2017 13:22
URI: http://eprints.covenantuniversity.edu.ng/id/eprint/4768

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