Abstract
The geophysical investigation for groundwater resources evaluation at Amuwo-Odofin, Lagos State, Nigeria was carried out. The Direct Current Electrical Resistivity method of geophysical prospecting using the Schlumberger electrode configuration was adopted. The curve types obtained from the field data were 6 – layer HKHA at VES 1 and 5 – layer QHA at VES 2. Quantitative interpretation of the sounding curves revealed that the side is underlain by topsoil, clay, clayey sand and fresh water sand. The clayey sand and fresh water sand constitute the aquifer units within the study area. The study revealed that the groundwater potential in the area is rated medium to high with very good prospect for considerable groundwater yielding capacity. The aquifer occurs at depths of 200m – 230m, and even deeper.Keywords: Groundwater, geoelectric layers, vertical electrical sounding, Nigeria
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