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.