The Dynamic ground water resources assessment of the country is carried out jointly by Central Ground Water Board and State Ground Water Departments at regular interval based on the methodology recommended by Ground water Estimation Committee 1997(GEC-97).
As per the assessment of Dynamic ground water resources of India (as on 31st March 2013), the total annual replenishable ground water resources of the have been estimated as 447 billion cubic meter (BCM). Keeping 36 BCM for natural discharge, the net annual ground water availability for entire country is 411 BCM. The annual ground water draft is 253 BCM out of which 228 BCM is for irrigation use and 25 BCM is for domestic and industrial use. The stage of ground water development in the country is 62%. The State/UTs-wise details are given in Annexure I