Studies on some heavy metals and using of some selected phyco-chemical parameter in Zuru Dam, Kebbi State, Nigeria
Keywords:
zuru dam, concentration, heavy elements, human activities, lower region, upper regionAbstract
The study was conducted to assess the levels of concentration and apportionment of Pb, Cr, Fe, Cd, Co, Ni, Zn and Cu and some physicochemical parameters include Temperature, pH, DO and TDS of Zuru dam were assessed for 8 months (January, 2019-August, 2019). The main acquired data was the water from the lower and the upper regions of the dam. The samples were collected and prepared in the laboratory according to standard method, Atomic Absorption Spectrophotometer (AAS) technique was used to analyze the data. The results showed concentration of Pb, Cr, Fe, Cd, Co, Zn and Cu at various levels. The results also showed the distribution of these elements at lower and upper regions of Zuru dam. The enrichment of these heavy elements in the dam could be due to loading of the dam with scattered materials and effluents generated by various human activities within the dam feature area through overland and base flows and the release of elements from geologic processes. The concentration of Pb, Cr and Fe were observed to be slightly above. The parameters fluctuated throughout the study period with maximum values recorded mostly hermatan and rainy season. Temperature was negatively correlated to TDS and increase in pH was observed to moderately reduced. To minimize pollution of the dam, it is strongly recommended that there should be reduction in levels of some unhealthy practices such as making release of effluents like, engine oil; lubricants, used batteries, any electric wastes; electronic and electrical appliances and high level use of chemicals on the farms are suggest to be disheartened.
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