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Water Resource Management Waste Water Treatment PDF Print E-mail

97% of water on the Earth is salt water, leaving only 3% as fresh water of which slightly over two thirds is frozen in glaciers and polar ice caps. The remaining unfrozen freshwater is mainly found as groundwater, with only a small fraction present above ground or in the air , Water resources management is the practice of making decisions and taking actions while considering multiple viewpoints of how water should be managed.