Pumping is a factor that could account for a drop in the water table.
Step-by-step explanation:
When manufacturers , farmers as well as residents continuously pump water at a rate of thousand gallons per minute the water table will experience a drop. It leads to an unnatural depletion of the unground reserved water.
Groundwater plays an important role when a land suffers due to drought. Groundwater is used for irrigation purposes as well as groundwater acts as an underground aquifer. Excession use of groundwater leads to its depletion and thus the water table also falls.