Question raised in Rajya Sabha on Depletion of Ground Water Levels, 22/07/2019. Central Ground Water Board is periodically monitoring the ground water levels throughout the Country on a regional scale, through a network of monitoring wells. In order to assess the decline in water level on a long-term basis, pre-monsoon water level data collected by CGWB in 2019 has been compared with the decadal average (2009-2018). Analysis of water level data (Annexure) indicates that about 61% of the wells monitored have registered decline in ground water levels.
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