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Reservoir water reaches more Shanghai homes

MORE than 5 million people in downtown Shanghai began using cleaner tap water from the Qingcaosha Reservoir on Changxing Island in the Yangtze River.

Residents in Huangpu, Jing'an, Luwan, Hongkou and Yangpu districts, part of Zhabei and Putuo districts, and Pudong's Lujiazui area will find the tap water taste better from today, said Zhao Pingwei, deputy director of the city's Water Supply Inspection Center.

Water pipes and water heaters in their homes will be more durable because less limescale will form on pipes, he said.

The reservoir water can reduce chlorine smell in local tap water that has long been a complaint from non-locals. The water is also said to be slightly alkaline with a pH of 8, which is good for health.

Water from the Yangtze River is cleaner than that from the Huangpu River, which currently supplies most of the city's tap water.

Homes on the third floor or below can draw fresh water directly from the city's pipelines but those on higher floors get water from water tanks on the top of their buildings. It takes about two days to replace water in a tank.

Water plants and pipelines have been renovated and cleaned before receiving water from the reservoir, said Gu Jinshan, deputy general manager of Shanghai Chengtou Corporation, a utilities company that owns most of the city's water plants.

By next June, half of the city's 20 million residents will get cleaner water from the reservoir which cost 17 billion yuan (US$2.56 billion) to build. Some 750,000 people in northeast Pudong were the first to get the Yangtze water on December 1.


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