The source of almost all fresh water on earths surface is

Out of all the water on Earth, saline water in oceans, seas and salinegroundwater make up about 97% of it. Only 2.5-2.75% is fresh water, including 1.75-2% frozen in glaciers, ice and snow, 0.5-0.75% as freshgroundwater and soil moisture, and less than 0.01% of it as surface water in lakes, swamps and rivers.