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Tide threatens water shortages

SHANGHAI water authorities are appealing to residents to economize on water as a reservoir is facing a potential shortage during this salt tide season.

Experts said today that four high salt tides at the mouth of the Yangtze River since October had added to pressure on the Chenhang Reservoir in Baoshan District.

The latest salt tide affected the reservoir late last week and was forecast to last nine days. Reservoirs owned by Baosteel Group Co will support the Chenhang Reservoir in the meantime, authorities said.

"So far the reservoirs' capacity can meet daily water consumption in Shanghai," said an official surnamed Zhou. "But there might be some water shortages if the tide last longer than our expectation."

Salty water pours into the Yangtze River mouth during the winter dry season every year, threatening water quality in the city's waterways and reservoirs.

The city is constructing the new Qingcaosha Reservior between downtown and Chongming Island, which is expected to prolong water storage for up to 68 days after the project is completed next year.


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