Water resources are sources of water that people use or can use these different purposes. The water is used in agricultural activities, industrial, residential, recreation and the environment. Most of the works are in need of fresh water.97% of water on Earth is salt water, only 3 percent is freshwater, but closer than 2/3 the amount of water exists in the form of glaciers and the polar ice caps. [1] the remainder do not freeze is found primarily in the form of ground water, and only a small percentage survive on the ground and in the air. [2]Fresh water is a renewable resource, but that the supply of fresh water and clean the world is gradually falling away. Water demand already exceeds supply in many parts of the world, while the world's population still continues to rise making the water demand increase. The awareness of the importance of protecting water resources for ecosystem needs only been voiced lately. Throughout the 20th century, more than half the world's wetlands have been disappearing along with the valuable support of them. Freshwater ecosystems biodiversity allegorical are currently declining faster than marine ecosystems and land. [3] the production frame in locating water sources for objects to use waters were called right on water
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