Legislative measures to protect groundwater depletion
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Once the state is the guardian or trustee of groundwater resources, it may (in addition to granting water rights) introduce measures to prevent aquifer depletion and groundwater pollution. Moreover, legislation tends now to require water resources planning at the level of an entire aquifer or river basin.
Groundwater depletion and ways for its replenishment: - The level of ground water has decreased in the recent years. The source of water supply is rapidly diminishing each year because of an increase in the population and water pollution. To meet the demand of water, water is withdrawn from water bodies such as ponds, rivers etc. As a result, the source of ground water is depleting. This is because the amount of groundwater being drawn for human use is more than the amount replaced by rainfall. Lack of vegetation cover also results in very small amounts of water seeping through the ground. An increase in water pollution is another factor that has reduced the availability of ground water.
Measures for replenishing ground water:
(i) Preventing over-exploitation of ground water
(ii) Optimizing water use and reduci demand
(iii) Rain water harvesting
(iv) Preventing deforestation and plantation of more trees
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