SHUYANG, Jiangsu -- By 6 p.m
Wednesday, water supplies were restored to 200,000 people in Shuyang county of
east China's Jiangsu Province after being stopped for 50 hours because ammonia
nitrogen had polluted a local river, the latest local government source
confirmed.
An inspection showed that water quality at the local water plant met national
standards by the time, the county disease control authorities said.
Harmful substances were detected in the water at 3:00 p.m. on Monday at the
level of 28 mg per cubic meter, about three times the upper limit for drinkable
water.
An initial investigation indicated the pollution could had been caused by
industrial sewage from chemical plants on the upper reaches of the Xinyi River,
which originates in Shandong Province.