A field investigation was made in respect of the volume and quality of domestic sewage in 3 villages in Baoshan District of Shanghai,where pilot experiments of domestic sewage treating system had been performed.Meanwhile,a study on the water usage and discharge pattern in rural areas and an assessment of efficiency of soil infiltration system were made by continuous monitoring data.And an evaluation of the contribution by septic tank and treating system was also made.Finally,suggestions on the promotion and management of domestic sewage treating system in Shanghai was provided.

In this paper,Qingxi Area of Shanghai was taken as a case to study the effects of socio-economic development on the water environment and its countermeasures.The results show that:①the socio-economy has made a rapid development between 1992 and 2008,the annual growth rate of GDP and the gross output value of industry reaches 21.6% and 19.1% respectively,moreover,floating population increases significantly;② located in water source of upper Huangpu River,the area has made great contribution to the water source protection,however,it still faces pressure by industrial pollution,agricultural pollution and domestic pollution with the rapid development of the socio-economy;③some suggestions were put forward on the upgrading of industrial structure,construction of sewage treatment system,treatment of the rural non-point source pollution and establishment of eco-compensation mechanism,to coordinate of the regional social economic development and water conservation.

Combined with the status of rainwater resource utilization in Shanghai,three inspirations were obtained after analyzing and comparing the successful experience of rainwater resource utilization at home and abroad.The first is to establish and improve compulsory and incentive matching policy and regulation of rainwater resource utilization to guarantee rainwater resource utilization;the second is to develop and select economy and practical technology to promote rainwater resource utilization;the third is to strengthen and implement unified and sustainable management to achieve sustainable rainwater resource utilization.