A natural spring
surface
Spring
An artesian well
the zone of aeration
drainage basin
A natural spring
Groundwater is water that collects and flows beneath the Earth'surface, filling spaces in soil, sediment and rocks. The upper surface of groundwater is the water table
surface
Where the water table meets the Earth's surface
Spring
a spring
well's occurs when the water underground meets the surface
aeration zone
That is called a spring.
A Surface table is a strong table you work on in engineering and the material on the surface can vary.
To the best of my knowledge, the water under the surface was formed when the oceans were formed, or thereafter. In simple terms, cracks in the ground allows water to leak below ground into large open voids.