A Case Study Of Surface Water Resource Protection For Drinking Water

Drinking water is the basic need for all the human beings, many countries in the world is facing the crisis of water resources. In the 20th century, the world's population has increased two times, and the quantity of the water people consumed has grown up to five times, which affects the human beings and environment greatly. Currently one fifth of the world's population has the drinking water without safety. Furthermore, three billion people lack of sanitation, which leads to three million or four million people die of the disease caused by water problem. While in our country, one forth of the population have the water which can't reach the standard of drinking water required that makes our situation of drinking water quite emergent. Our leaders have promulgated several laws to guarantee the safety of drinking water. Also they take great importance on this issue. For instance, some terms appeared in certain law mention that: programming the resources of drinking water logically and scientifically, and to strengthen the management of wastewater discharge into main rivers and lakes. Also attaching most importance to father drinking water security, in order to enhance the prevention and cure of water pollution, and prohibit the injurant into the protect region of water resources.By taking a look back at the efforts and results we have already got on the protection of water resources, we can draw the conclusion that for point pollution, many countries established ordinances which prohibit discharging wastewater into water resources directly, consequently reach the aim that controlling the point pollution. Therefore, non-point pollution becomes the main content in the study of protecting drinking water region in the city. As for non-point pollution, every country is trying to optimize the management model of non-point pollution, and also get some breakthrough. Although we...