SHAAC Consulting Company was commissioned by Cosob Well drilling Company of Somaliland to undertake detailed hydrogeological and geophysical investigation at 13 localities in Somaliland. The investigated sites are situated in all regions of Somaliland. Two sites are in Awdal Region, four sites in Northwest region, two in Saaxil, one site in Togdher, two in Sool and two in Sanaag region. The purpose of the study Was to identify suitable locations for successful borehole drilling within the selected town and villages. The project was intended to improve the availability of water and sanitation in areas identified as high priority and those of having acute shortages of water supply. These include areas of settlements of vulnerable groups such as returnees, IDPs and pastoral population though detailed water investigation in order to identify suitable sites for well drilling