Question

Explain one method by which the underground water level doesnot go down

Answer 1

To preserve our water table we can use three R's

Reduce-reducing the consumption of water and reducing its wastage

Reuse-reusing the same water again for example water used for washing clothes can be used for cleaning purposes.

Recycle-industries can recycle their waste water and use the water again for different purposes.

Using these three R's we can preserve water table 

Answer 2

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➡To preserve our water table we can use three R's
Reduce-reducing the consumption of water and reducing its wastage
Reuse-reusing the same water again for example water used for washing clothes can be used for cleaning purposes.
Recycle-industries can recycle their waste water and use the water again for different purposes.
Using these three R's we can preserve water table