National Water Act Definition
Aquifer means a geological formation which has structures or textures that hold water or permit appreciable water movement through them.
[Source: National Water Act (Act No. 36 of 1998)].
A formation, group of formations, or part of a formation that contains sufficient saturated permeable material to store and transmit water; and to yield economical quantities of water to boreholes or springs.
Why is an aquifer important?