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African Research Review

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Influence of Rock Mineralogy on Subsurface Water in Ado-Ekiti, Nigeria

O S Omotoyinbo, F C Okafor

Abstract




Sudden geometric increase in population of Ado-Ekiti has lead to an increase in demand for water and harnessing of subsurface water reserve. This research investigated the possible infiltration of dissolved mineral from weathered rock into subsurface water in the area (basement complex rocks), and comparing the mineral level with the set standard for quality water by the World Health Organization Physical test were carried out on hardness, colour, odour, conductivity, pH, and turbidity. Chemical test for sodium (Na+) and
potassium (K2+) was also done using experimental scientific set
standard. The analysis of the sodium, potassium ions, and the conductivity of the water indicate that dissolved mineral from rocks have great influence on the underground water property. The level of the dissolved mineral is within the acceptable limit for water quality
standard set by the W.H.O. Sourcing for underground water should not be based on hydro geological variable alone but possible chemical interference from the geology of the environment (rock type).

African Research Review Vol. 2 (2) 2008 pp. 175-186



http://dx.doi.org/10.4314/afrrev.v2i2.41049
AJOL African Journals Online