城市发展,水电先行。为了解决重庆市江北开发区的城市供水问题,市政府决定新建梁沱水厂。该水厂以嘉陵江为水源,水质差、能耗大,运行成本高,经济效益、社会效益都不如在江北县后河建库供水。 一、简况 重庆市是我国十大城市之一,人口众多,工业基础雄厚,但是长期以来,城市用水处于供不应求的状态,市区人均用水只相当广州市的一半,接近北京市的55％。在长江沿岸的重庆、武汉、南京上海四大城市中,人均用水量也名列最后。随着国民经济发展,重庆市已被国家列 Urban development, hydropower ahead. In order to solve the problem of urban water supply in Jiangbei Development Zone in Chongqing Municipality, the municipal government decided to build a new Liangtuo water plant. The water plant in Jialing River as a water source, poor water quality, high energy consumption, high operating costs, economic benefits, social benefits are not as good as in Jiangbei County after the river bank water supply. I. Brief Introduction Chongqing is one of the top ten cities in China with a large population and strong industrial base. However, for a long time, urban water supply is in short supply. The urban water consumption per capita is only half that of Guangzhou and 55% of that of Beijing. In the four major cities of Chongqing, Wuhan and Nanjing and Shanghai along the Yangtze River, water consumption per capita also ranks last. With the development of national economy, Chongqing has been listed by the state