The important cause lead to water shortage in quality is the lowly rate of sewage treatment in cities of Shanxi,volume of sewage water directly drained into reviers without any treatment.

• 制约山西污水再生回用的关键因素,一是观念,二是水价,核心问题是污水再生回用的利益驱动和产业化经营机制不健全、污水再生回用缺乏终端用户。