Prior to 1974, the Ministry of Water and Irrigation was a department in the Ministry of Agriculture. After this year, the Ministry was constituted and remained thus till 1992 when it Was merged with other departments to form the Ministry of Land Reclamation and Regional Development. After 1998, the Ministry was merged to form the Ministry of Water Resources. In 2001 during a major merger of government Ministries and departments, the Ministry of Water Resources was merged with the Ministry of Environment and Natural Resources.