However, in our daily life, the phenomenon of wasting water abounds. In the Yellow River Basin, where there is a serious water shortage, traditional diffuse irrigation is used in large quantities for agricultural irrigation.
Upstream of Ningmeng irrigation area mu average water consumption of more than 1,000 cubic meters, water-saving irrigation areas than a few times higher to a dozen times; even suffered from the pain of the flow of Henan, Shandong Province, the Yellow River Irrigation District is a water when the water is flooded, no water when the river sigh. National agricultural water utilization rate, is generally 0.3 to 0.4, production units of food water is 2 to 2.5 times the developed countries.
Industrial water is also a serious waste of phenomenon. According to statistics, at present, China's industrial water reuse rate of only 0.3 or so, far lower than the developed countries 0.75, water consumption per unit of GDP is 15 to 100 times the developed countries, some important products unit water consumption than the advanced level of foreign countries several times, or even dozens of times.
Not only that, in recent years, China's water environment is also deteriorating. National wastewater, sewage discharge to the rate of 1.8 billion tons per year, industrial wastewater and domestic sewage daily emissions of nearly 1.64 billion tons.
Extended information:
Water conservancy departments in recent years on the country's about 700 large and medium-sized rivers nearly 100,000 kilometers of water quality testing, the results of which is that nearly 1 / 2 of the river section is polluted, 1 / 10 of the river section is seriously contaminated, the river has lost the value of the use of the water.
The country's seven major rivers from south to north have been polluted to varying degrees. At present, more than 90% of the country's urban waters are seriously polluted, there are 700 million people drinking water with excessive E. coli content, 170 million people drinking water contaminated by organic matter, 300 million urban residents are facing the world problem of water pollution.
Reference: China's water resources waste and damage serious - Shanghai Environmental Protection Publicity and Education Center