Combined electrical resistivity and electromagnetic prospecting methods wererncarried out around Dembi area near Debrezeit town. The analysis of the resultsrnobtained from both geophysical methods has provided useful informationrnregarding the electrical characteristics of the subsurface which is related with thernthickness and depth ranges of layers. The physical property distribution which isrnobtained by the two methods is analyzed with particular significance for groundrnwater.rnTw~ty vertical electrical sounding (YES) measurements using Schulumbergerrnconfiguration along four parallel profiles were conducted. The field apparentrnresistivity data is plotted against electrode separation and initial modelrnparameters for each sounding station is obtained using auxiliary point methodrnand two layer master curves. For quantitative evaluation of the resistivityrnsoundings, the field data was submitted to a curve matching computer program.rnIn this program the apparent resistivities obtained as a function of electrodernspacings is converted to true resistivities as function of depth.rnAs rE:lsult of inversion, a four layer geoelectric section is constructed for allrn- .-------~--.~------.. ---~- ---~---~ . . - -rnprofiles in the s.tudied area. Th~ investigation has made it possible to establishrnthe layer stratification along all the profiles. Generally, this geophysicalrninvestigation around Dembi area has indicated a four layer earth structure.rnThe first layer is described by a more or less uniform thin layer of alluvialrndeposits. Underlying the top layer is a second layer characterized by a very lowrnapparent resistivity value which represented the bottom part of the soil sectionrnwith considerable moisture and clay content. The third geoelectric layer is madernup of a vast portion of weatbered and fractured basalt section which is assumedrn,- - . - .rnto be the most favorable site for the accumulation of subsurface water. Fromrnhydrogeological point of view, this layer satisfies the physical condition to bernfavorable host for ground water. Underlying the third layer a section identified byrncomparatively low apparent resisffvity value is interpreted to be highly saturatedrnvolcanic ash and clayIt was also possible to observe a generally decreasing apparent resistivity valuesrntowards the Western direction along each profile over the investigated area. Arndecreasing trend of apparent resistivity values were also observed due to thernconductive nature of the ground towards North.rnThe results obtained from electromagnetic interpretation also showedrnanomalously high conductivity responses around the third and the fourthrnprofiles. An increasing tendency of conductivity was also observed towards thernWestern direction COinciding with the result obtained from the resistivity survey.rnThe results of both geophysical methods has shown strong correlation in that, arndecrease in apparent resistivity values in the sounding survey is associated withrnan increase in electrical conductivity obtained from electromagnetic surveyrntowards North and West of the studied area