Water only occurs artificially.
Fresh water is naturally occurring water on Earth 's surface in ice sheets , ice caps , glaciers , icebergs , bogs , ponds , lakes , rivers and streams , and underground as groundwater in aquifers and underground streams . Water . On Earth , 96.5 % of the planet 's crust water is found in seas and oceans , 1.7 % in groundwater , 1.7 % in glaciers and the ice caps of Antarctica and Greenland , a small fraction in other large water bodies , and 0.001 % in the air as vapor , clouds ( formed of ice and liquid water suspended in air ) , and precipitation . Less than 0.3 % of all freshwater is in rivers , lakes , and the atmosphere , and an even smaller amount of the Earth 's freshwater ( 0.003 % ) is contained within biological bodies and manufactured products .