The average annual water availability of any region of country is largely dependent upon hydro-meteorological and geological factors; and such water resources data is assessed basin-wise. The per capita water availability in the country is reducing due to increase in population. Also, due to high temporal and spatial variation of precipitation, the water availability in some regions of the country is much below the national average and this may result in water stressed / scarce conditions. Dynamic Ground Water Resources of the country are being periodically assessed jointly by Central Ground Water Board (CGWB) and State Governments. As per the 2020 assessment, out of 6,965 assessment units (Blocks/ Taluks/ Mandals/ watersheds/ Firkas) in the country, 1,114 units in 15 States/UTs have been categorized as 'over-exploited' where the Annual Ground Water Extraction is more than Annual Extractable Ground Water Resource. Water being a State subject, steps for augmentation, conservat...
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