It is for this reason that the world celebrates “World‟s Water Day” on 22nd March every year. Many cities, towns and communities rely on borehole source since it is one major renewable fresh water sources.
Unfortunately, potable water is not available to many a people because most water supply sources are either contaminated or extinct after a short period of supply and sometimes are totally non-existing.
Although, Edjekota town experiences yearly seasonal over flooding, potable water is not within the reach of many due to lack of proper empirical sub-surface investigation to depth of borehole
before drilling [1].
This has led to supply from false aquifer and development of various health problems by users
[2].
Here, the Vertical Electrical Sounding method was used in investigating depth of overburden to delineate the subsurface stratification and groundwater distribution in Edjekota in Ughelli North L.G.A of Delta State Nigeria.
Ten Vertical Electrical Sounding (VES) sites were studied using the Schlumberger Array.
The obtained field data were plotted in bi-log graphs and analyzed qualitatively and quantitatively by curve matching and computer iteration using the Win RESIST software to obtain the formation strata and the actual depth of viable aquifer in the study area.
The results from the analysis of the field data were interpreted to obtain the geoelectric sections of the town from which the subsurface lithology and hydrogeology were stratified for effective citing of reliable boreholes for optimal harnessing of groundwater from prolific aquifer in Edjekota.