Geophysical investigation of subsurface lithology and aquifer distribution was done using Schlumberger array in
Edjekota, Ughelli North LGA of Delta State This community is prone to annual flooding resulting in massive
deposition of materials over many years thereby creating problem of potable water. This problem of potable water
has increased in recent time due to increase in population density, petroleum exploration activities and spillages
along the creeks. Thus, ten Vertical Electrical Soundings (VES) were made using Schlumberger array in Edjekota
Delta State to obtain geophysical field data in order to investigate the occurrence of groundwater in relation to the
depth and thickness of viable aquifer. The field data measured from SAS 1000 terrameter were plotted in a bi-log
graph to obtain sounding curves. The curves were analyzed and iterated. The qualitative results showed that
Edjekota has homogeneous subsurface stratification with AAK, KHAA, AKHA and KQHQ curve types. The
generated geoelectric sections have five to six sub-layers to a depth of over 70 m with hugh loose sand deposits
beneath in Edjekota. Although water seems to be everywhere in Edjekota, prolific aquifer is within 30 – 50 metres.