Question

the natural level of groundwater.​

Answer 1

Answer:

The upper level of this saturated layer of an unconfined aquifer is called the water table or phreatic surface. Below the water table, where in general all pore spaces are saturated with water, is the phreatic zone. Substrate with low porosity that permits limited transmission of groundwater is known as an aquitard.

Answer 2

This is how the level of groundwater looks.