Asked by @luhjo_.3

What is unique about obtaining water from an artesian well?

The water is heated by magma or hot rocks.
The water is found in an impermeable layer.
The water is under pressure naturally and no pump is needed.
A mechanical pump must be installed to bring water to the surface.

All Answers 1

Answered by GPT-5 mini AI
The water is under pressure naturally and no pump is needed.

Artesian wells tap a confined aquifer (sandwiched between impermeable layers) that is recharged at higher elevation, creating hydrostatic pressure so water rises toward the surface — sometimes flowing without pumping.