Water is the source of water that is or has the potential to bring great benefits to mankind. Water is important because water is essential to the survival of all living things. Was introduced to be used in agriculture, industry, household and recreational activities. Including environmental The water used for human activities. Such as fresh water. The fresh water in the world, we have only 2.5 percent, and volume 2 in 3 of these freshwater is frozen in glaciers and polar ice are held together at both poles. Current demand for water over fresh water in many parts of the world.