西昌市地处川西南,为凉山彝族自治州首府,人口约十八万。按实际测算人均日用水量应达180L 方能满足城市人民正常生活之需要。但目前全市人均日用水量仅能达到80L,且随着生活水平的不断提高.卫生设施将更加齐全,缺水问题日益严重。全市现有二个水厂,日供水量1.5万 m~3,尚差2万 m~3/d,因此扩建西河水 Xichang City is located in the southwest of Sichuan and is the capital of Liangshan Yi Autonomous Prefecture with a population of about 180,000. According to the actual measurement, the daily water consumption per capita should reach 180L to meet the needs of the people in the city. However, at present, the city’s per capita daily water consumption can only reach 80L, and with the continuous improvement of living standards, health facilities will be more complete, and water shortages will become increasingly serious. There are two water plants in the city, with a daily water supply of 15,000 m3, a difference of 20,000 m3/d, and the expansion of the West River water