Abstract: The water resources of Changchun City are seriously lack and face the high crisis. Sewage utilization is one of the most effective measures to solve the crisis of water resources and prevent water pollution. At present, the sewage that is treated is 1.843×10⁸ m³/a in amount. Meanwhile, the mount of sewage after advanced treatment reaches 423.4×10⁴ m³/a, which accounts for 2.297% in the total amount of sewage. It is less degree of sewage utilization. The amount of water can increase 16.16×10⁴ m³/d after the recycling project being built is finished. The degree of sewage utilization can be enhanced through policymaking, broadening financing channels as well as improving awareness of environmental protection and realize better social benefits.

Key words: sustainable development, wastewater utilization, advanced treatment, wastewater renovation