Population grow wth and the expansion of the needs ofof the agricultural and industrial sectors in the Harirud basin coun untries (Afghanistan, IIran and Turkmenistan) have revealed d the inefficiency of rrestricted approaches and plans for solvin ng the problem of drouught in the region. Regional cooperation in water affairs needs to p pay attention to the importance of water for humhuman security. In this framework, mechanisms such as managem ment of integrated water resources, establishment of joint commission ons for development and d water plans, optimization of water consump mption, modernization of f irrigation methods, determination of water pprices, and adoption of a la legal regime can promote regional cooperatiotion in the Harirud basin, i n, in accordance with the shared interests of pepeople living in the regio on.