Description of the Project

The existing “Cheung Chau Sewage Treatment Works (CCSTW)” was commissioned in 1985. Currently, CCSTW performs primary sewage treatment with a design capacity of 4000m3/day.  Upon completion of the Project, the treatment standard will be upgraded to a secondary level.  Concurrently, the capacity will be upgraded to 9,800 m3/day, serving around 38,200 population in Cheung Chau.

The existing “Pak She Sewage Pumping Station (PSSPS)”, which was commissioned in 1985. The existing pumping capacity is 29,376 m3 /day. Upon completion of the Project, the pumping capacity would be increased around 50%.