Preliminary study on return water of water resources allocation in city

Several links of water resources allocation is introduced in city, on the basis of supply analysis, water demand prediction and supply-demand balance analysis, the frame of water resources allocation and the structure of urban return water are put forward, in view of the present research situation, the urban return water mechanism is promoted. The study not only provide theoretical reference to return water problems base on water resources allocation, but also give important guiding significance to the rational development and utilization of water resources in city.