China is a country with water shortage and the per capita water resource is 1/4 of that in the world. But the more surprised is that China faces the very heavy water pollution. Water pollution is known as the third water disaster to appose with drought and flood disasters.

Water pollution affects greatly in area that a polluted river would affect several dozen, hundred or a thousand kilometers in the lower stream of the river. The polluted lake would produce heavily the eutrophication. It is very difficult for us to restore it to the original. Data shows that 1/4 of rivers in China does not meet the demand of irrigation due to the pollution. 75% of the lakes are polluted notably in China. 10% of the municipal underground water quality gets worse daily. Of the 118 investigated big cities, surface water in 97% of the cities was polluted and 40% of them are heavily polluted...

China paid great attention to the pollution treatment and environmental protection. 0.93% of the GDP capitals uses for the environmental protection and treatment. Quiet a lot of the capital is used for the treatment of water pollution...