The forest has been destroyed, don't have trees, weeds, grass covered ground. When the rain fall rain water to the fertile soil erosion face, flowing with the water flow, which causes landslide and makes the quality of the water of decay. When it rains in the area, the forest is destroyed, it will remove dirt, mud, taking blows. The sediments into the water, making the water cloudy and shallow water quality resulted in both chemical and physical, biological, and poor. Water can not be used in the consumer.