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21st April 2023 (7 Topics)

First-ever waterbody census

Context

The Ministry of Jal Shakti has released the report of the first census of water bodies.

Key highlights of the Census

  • India has 24.24 lakh water bodies like ponds, tanks and lakes, with West Bengal accounting for the most (7.47 lakh) and Sikkim the least (134).
  • The report states, “24,24,540 waterbodies have been enumerated in the country, out of which 97.1% (23,55,055) are in rural areas and only 2.9% (69,485) in urban areas.”
  • As per the report,
    • 5 per cent (14,42,993) of waterbodies are ponds
    • tanks (15.7 per cent i.e. 3,81,805)
    • reservoirs (12.1 per cent i.e. 2,92,280)
    • water conservation schemes/percolation tanks/check dams (9.3% i.e. 2,26,217)
    • lakes (0.9% i.e. 22,361)
    • others (2.5% i.e. 58,884)

What is a water body?

  • The census defines a waterbody as “all-natural or man-made units bounded on all sides with some or no masonry work used for storing water for irrigation or other purposes (for example industrial, pisciculture, domestic/drinking, recreation, religious, groundwater recharge etc)”.
  • Waterbodies are usually of various types known by different names like tanks, reservoirs, ponds and buddies etc.
  • A structure where water from ice melt, streams, springs, rain or drainage of water from residential or other areas is accumulated or water is stored by diversion from a stream, Nala or river will also be treated as a waterbody.

 

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