As a result, the ground water gets mixed with salty water deep within, making it contaminated. This is known as salt contamination. This eventually reduces the amount of consumable water. Marine Life due to the depletion, contamination and evaporation of surface water, the marine life gets affected. This is a threat to the fishes, flora, fauna and all the creatures of the sea. Agriculture agricultural productivity depends on the availability of water. Agriculture cannot exist without adequate supply of water