Even bacteria don't poop where they eat and drink...

A southern Chinese city contained a toxic metal spill that threatened water supplies for 1.5 million people and contaminated a tributary feeding rivers that run to Hong Kong and Macau. 

Crews in the city of Liuzhou used ships to spread canvas across the Longjiang River and stop the cadmium, China National Radio reported today. Tests done at 6 p.m. yesterday at Liuzhou’s water plants met national standards, it said.

The cadmium spill, first detected Jan. 15, killed fish and prompted panic buying of bottled water, the Xinhua News Agency reported yesterday. Authorities dumped hundreds of tons of chemicals into the river to neutralize the cadmium, according to Xinhua.

Any cadmium in the water will be “greatly diluted” by bigger rivers and reservoirs downstream and levels of the metal won’t exceed safety standards in neighboring Guangdong province, Hong Kong and Macau, China National Radio reported yesterday, citing Xu Zhencheng, a researcher involved in the spill cleanup.

Cadmium, used in batteries and paint pigments, may cause kidney dysfunction and cancer, according to the U.S. Department of Labor. Liuzhou is prepared to discharge water from upstream reservoirs to help dilute the metal, today’s radio report said, citing Gan Jinglin, the city’s director of environmental protection.
Tests conducted Sunday evening found that cadmium concentrations at the Liuxi water plant were 0.0046 milligrams per liter, within national standards, the radio report said, citing local authorities.

Liuzhou may stop drawing water from the river and use reserve and ground water instead if the level of cadmium reaches double the normal rate, China National Radio said, citing Liuzhou Mayor Zheng Junkang.
All seven heavy-metal production plants located upstream have suspended operation in order to curb potential sources of pollution.