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November 2, 2009

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Saltwater lake quality healthy - for now

WATER quality in China's largest saltwater lake Qinghai remains good, the province's water authorities said on Saturday.

Results from three monitoring stations of the lake showed that water levels of inflowing rivers were above level 3, said Cui Yuxiang from the water environment monitoring center of western China's Qinghai Province.

China classifies water quality in major rivers and lakes into six levels, ranging from level 1, which is good for drinking, to level 6, which is too polluted for any purpose.

Cui attributed the good water quality to less population around the lake and fewer industries. But the lake's saltiness had risen from 14 grams per liter in the 1980s to about 16 grams now after drought.

"Now we are seeing more rainfall, but the salinity still remains at 15.6 grams per liter," she said.

The 13th World Lake Conference opened yesterday in central China's Hubei Province, amid data showing that 30 percent of the country's major river drainage systems had not met the state's standards by the end of 2008.


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