450 people in China are suffering from sickness as a result of tainted water, and some have been diagnosed with arsenic poisoning.BBC News: Tainted China Water Sickens 450 (October 11, 2008) Heavy rain caused waste water with arsenic from Jinhai Metallurgy Chemical company to overflow and pollute ponds and wells. The company was closed after the contamination was found. Some of the sick are being kept in a hospital for observation.BBC News: Tainted China Water Sickens 450 (October 11, 2008)