Measures for Improvement of Water Quality in Kunshan Water Supply Project

The present water supply status and a series of measures that have been and will be implemented for water quality improvement are introduced. These measures are described as follows: regional water supply is put into practice in whole city, the Yangchenghu Lake water is used as the source water in the large scale water treatment plant to take place of the groundwater and inland lake water as source water in those water plants scattered in all towns and villages; ecological protection of source water is adopted to improve raw water quality; water treatment process is modified to raise the drinking water quality; biological pretreatment and ozone/BAC process for advanced treatment of micro-polluted raw water are used; and finally, water supply with different quality is achieved.