 The catchment of May Leiba reservoir is 17.87 km² large, with a perimeter of 17.61 km and a length of 4540 metres.The lithology of the catchment of the reservoir is Antalo Limestone, Agula Shale, sandstone of the Amba Aradam Formation and Ashangi Basalts.The main driving factors that define the variability in soil types in this catchement are