groundwater
Ground water, surface water, river water, etc.
Its called as surface water.
So it remains potable and usable.
Saturation
We call the water that does not sink but flows on the ground "surface water." This can include rainwater, rivers, streams, and lakes that remain on the Earth's surface rather than infiltrating into the ground.
Surface water, runoff, or standing water.
condensation
Dew
hydrosphere
ground water help us to fulfill our water requirements
It either flows somewhere else or seeps into the ground.
Irrigation.