surface
The top level of ground water is called the Water Table.
Water on top of soil is called surface water or runoff.
The top saturated zone is called the water table.
The top level of ground water is called the Water Table.
The top of a water bottle is called a cap
The top level of groundwater in an aquifer is called the water table.
evaporation
Foam.
the zone of aeration
It's called a meniscus
They are called "buildings" regardless of what is on tip of them.
Water table