Investigation of Application of Storm Runoff Harvesting System in Arak Urbanized Watershed

Integrated management of urban watersheds and effective productivity of its resources, especially water resources requires knowledge of its hydrology. In this among flood events and urban runoff produced at the time of floods from the point of harvesting and consumption is extremely important. In this study in order to evaluate the possibility of using the most appropriate water harvesting systems in Arak Watershed, collecting basic information was collected. At first surrounding watersheds were grouped by using cluster analysis into homogeneous areas. In each region using the rainfall - runoff SCS model runoff rate of some base time and return periods was calculated. Using a hierarchical analysis (AHP) and quantitative and qualitative criteria, different systems of urban water harvesting were determined for each homogeneous region of Arak watershed.