Water covers over 70% of the earth surface and is undoubtedly the most pre- ciousnatural resource that exists on the earth. Without the seemingly invaluablecompound comprised of hydrogen and oxygen, life on the earth would be non-existent. Water is a key ingredient surporting food production, sanitation andrural livelihoods, as well as ensuring continuity and functioning of ecosys- tem. Itdictates the pace of settlement and agricultural and industrial develop- ment of any society and even in recent time, establishment of any human settle- ment isusually centered on available source of water supply and in modern time, issue of water has equally taken prominences in global matters .The distribution of world’s water indicates that only 2.5% and 97.5% consti- tutefresh water and saline water respectively. 2.5% of the world’s freshwater,surface water and groundwater have 0.4% and 30.1% representations respective-ly . Most of the freshwater is locked up in ice caps at the Polar region.