Question

describe briefly about any two causes that lead to decrease in groundwater level ?​

Answer 1

Groundwater pumping is the primary cause of groundwater depletion, which often occurs during drought. Some negative effects of groundwater depletion include lowered groundwater levels, reduced streamflows (from greater stream capture), land subsidence, water quality concerns, and increased well operation costs.

Answer 2

Pumping water out of the ground faster than it is replenished over the long-term causes similar problems. The volume of groundwater in storage is decreasing in many areas of the United States in response to pumping. ... deterioration of water quality. increased pumping costs.