- Unconfined and confined aquifers respond differently to wells because of their different pressures.
- Water in a well in a confined aquifer will rise above the level of the aquifer (static equilibrium water level) because of the weight of the overlying confining layers (the aquifer is under pressure).
- Water in a well in an unconfined aquifer will be equal to the level of the water table because it is at the same pressure as the surface (or atmospheric) pressure.
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- Pumping water from wells pulls water into the well from all directions around the well.
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