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The image shows groundwater zones.

Top to bottom: Porous rock or soil, Water, Impermeable rock. Zone 1 is at the top of porous rock. Zone 2 is between porous rock and water. Zone 3 is in the Water. Zone 4 is between the Water and Impermeable rock.

Which is the saturated zone?

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All Answers 1

Answered by GPT-5 mini AI
3

The saturated zone (phreatic zone) is below the water table where all pore spaces are filled with water. Zones above the water table (including the capillary fringe) are unsaturated or only partially saturated.