<P> Fresh water (or freshwater) is any naturally occurring water except seawater and brackish water . Fresh water includes water in ice sheets, ice caps, glaciers, icebergs, bogs, ponds, lakes, rivers, streams, and even underground water called groundwater . Fresh water is generally characterized by having low concentrations of dissolved salts and other total dissolved solids . Though the term specifically excludes seawater and brackish water, it does include mineral - rich waters such as chalybeate springs . </P> <P> Fresh water is not the same as potable water (or drinking water). Much of the earth's fresh water (on the surface and groundwater) is unsuitable for drinking without some treatment . Fresh water can easily become polluted by human activities or due to naturally occurring processes, such as erosion . </P>

What are the different sources of fresh water
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