History
Before the construction of Shek Pik Reservoir,the freshwater in Cheung Chau had always come from groundwater. In the 1950s,the population of Cheung Chau continued to rise and the economy became more and more prosperous. In order to solve the water supply problems,the Hong Kong Government built a concrete dam on Chi Ma Wan Peninsula,Lantau,on the opposite bank of Cheung Chau with a capacity of about 130,000 m3,91.1 m long and 15 m high in a small reservoir and then used a 6-inch submarine pipe to divert water to the Cheung Chau Ferry Pier and transport it to the water storage tanks of Tai Kwai Wan. At that time,the government also followed the practice of the first submarine water pipeline from Hong Kong Island to Kowloon to build a fountain at the landing site,and held a water spray ceremony on the day of the opening ceremony in August 1955. In the 1970s,Cheung Chau was incorporated into the Hong Kong water supply network,and Shap Long Reservoir was converted into an irrigation reservoir. [4]
In September 1954,construction of the dam commenced to impound 30 million gallons of water for a new fresh water supply to Cheung Chau. The filters,pump house and a service reservoir were constructed on the island and water was supplied to the island through a 150mm steel submarine pipeline 1.3 km long and 3.6 km of 150mm cement asbestos pipe. A new 300mm water main was installed in 1963 to provide water from the new Silver Mine Bay Water Treatment Works,rendering the reservoir obsolete. It was then utilised to support local farming and their irrigation needs. [5]
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