On September 8, 2010, the International Herald Leader, an official newspaper under Xinhua, reported that 90% of the underground water across China has been contaminated; 60% of the water has been seriously polluted.
Underground water is an important source of drinking water in China. Nearly 70% of the Chinese people drink underground water.
“In 2005, the EPA conducted an inspection of 206 centralized drinking water sources in 56 cities nationwide. It revealed that the water sources were polluted by 132 types of organic pollutants, 103 of which belong to the category of pollutants that must be controlled either inside or outside of China.”
Source: International Herald Leader, September 8, 2010
http://news.xinhuanet.com/herald/2010-09/08/c_13484211.htm