Definition
Groundwater is water found in layers of soil or rocks below the surface of the ground. Groundwater is a water resource whose existence is limited and its damage can have far-reaching impacts and recovery is difficult.
Apart from river/surface water and rainwater, groundwater also has a very important role, especially in maintaining the balance and availability of water raw materials for household (domestic) purposes as well as for industrial purposes and so on.
A resource that is used up but can be renewed or recycled is water. The earth’s water supply which can be renewed is regulated by the hydrological cycle (water cycle), which is a system of continuous circulation of water, starting from evaporation, continuing to the formation of clouds, down it becomes rain, is absorbed by plants, enters the soil, is filtered by the soil and some flows as streams outside and within the soil, finally arriving as water that flows into rivers and into the sea.
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