奉贤县地处杭州湾北畔、黄浦江南岸,境内地势平坦,河网密度较大,水资源相对较丰富,特别是建国以来大力兴修水利,一大批骨干河道等水利工程的兴建,大大提高了本县抗御旱涝自然灾害的能力,防汛抗洪也逐年提高标准,为工农业生产和全县经济持续发展发挥了较大的作用,取得了良好的社会效益和经济效益。但是,随着经济的发展和人民生活水平的不断提高,水资源的质量不断恶化,可利用的水资源愈来愈少,逐渐出现了有水不能用 Fengxian County is located on the north bank of Hangzhou Bay and on the south bank of Huangpu River. Its terrain is flat, the density of river networks is relatively large, its water resources are relatively rich. Especially since the founding of the People’s Republic of China, the construction of water conservancy projects, a large number of key river courses and other water conservancy projects have been greatly enhanced The ability of the county to resist drought and floods and natural disasters, flood control and flood fighting also raise the standard year by year, played a greater role for industrial and agricultural production and the county’s sustained economic development, and achieved good social and economic benefits. However, with the development of economy and continuous improvement of living standards of the people, the quality of water resources is deteriorating continuously and the available water resource is getting less and less. There is a gradual emergence of water use