If too much freshwater is pumped out of an aquifer that is located near the coast, __ soil fertility will decrease saltwater may intrude into wells a contaminant plume can form

If too much freshwater is pumped out of an aquifer that is located near the coast, saltwater may intrude into wells. This phenomenon is known as saltwater intrusion, where the removal of freshwater reduces the pressure in the aquifer, allowing saltwater to move inland and contaminate the freshwater supply.