Mustahil was heavily affected by the flash floods in Ethiopia during September 2006, the worst of any woreda in the Somali Region.
An initial assessment by Ethiopian authorities found that 45,000 people were affected by the flooding;[3] more recent numbers reported for this woreda were two people and 5,400 livestock killed and 1,440 hectares of cropland ruined.
Moreover, grazing land, water sources and approximately 5,630 hectares of crop land were reportedly destroyed by flood waters in Mustahil and Kelafo, which further exacerbated the already fragile food security of the region.
[6] Based on the 2007 Census conducted by the Central Statistical Agency of Ethiopia (CSA), this woreda has a total population of 49,315, of whom 26,668 are men and 22,647 women.
[7] This woreda is inhabited by Jidle, Xawaadle, Ujeejeen, Habargidir and rer aw hasan clans of the Somali people.