大连市位于辽东半岛的南端,三面环海,是工业、贸易、旅游城市,又是实行对外开放的重点城市。城市需水量很大,但水资源贫乏,全市人均水资源量760立方米,金县以南只有201立方米,仅为辽宁省987立方米的20％,为全国2700立方米的7.4％。淡水资源贫乏,已成为社会、经济发展的重要制约因素。 Dalian is located in the southern tip of Liaodong Peninsula, surrounded by the sea on three sides, is an industrial, trade, tourism city, but also the implementation of opening up to the outside world’s major cities. The urban water demand is large, but its water resources are scarce. The city’s per capita water resources are 760 cubic meters. Only 201 cubic meters is south of Jin County, only 20% of 987 cubic meters of Liaoning Province and 7.4% of the national total of 2700 cubic meters. The lack of freshwater resources has become an important constraint on social and economic development.