The hill-torrent region in arid environment of Pakistan is generally associated with low return per unit of water and land due to unpredictable supply of torrent flows for agriculture use. Spate irrigation system based on hill torrent floods is practiced in different parts of the world, e.g. Middle East, Africa, West Asia, and Latin America. A thorough appraisal and optimal utilization of hill-torrents potential is essential for efficient planning and development of agriculture and livelihood in the arid environment.