Key Data : River Basins of India

River Basins of India – Source: CWC

S.No River Basin Catchment Area

(1,000 sq. km)

Water Resources Potential

(BCM)*

Utilisable Surface Water

(BCM)*

1 Indus    321      73.3 46.0
2 Ganga-Brahmaputra-Meghna  1,097  1,110.6    274.0
  a) Ganga    861    525    250.0
  b) Brahmaputra    194    537.2      24.0
  c) Barak (Meghna)      42      48.4  
3 Godavari    313    110.5      76.3
4 Krishna    258      78.1      58.0
5 Cauvery      81      21.4      19.0
6 Subarnarekha      29      12.4        6.8
7 Brahmani-Baitarani      52      28.5      18.3
8 Mahanadi    142      66.9      50.0
9 Pennar      55        6.3        6.9
10 Mahi      35      11.0        3.1
11 Sabarmati      21        3.8        1.9
12 Narmada      99      45.6      34.5
13 Tapi      65      14.9      14.5
14 WFRTapi – Kanyakumari    112    200.9      36.2
15 EFR-Mahanadi to Pennar   87      22.5      13.1
16 EFR Pennar to Kanyakumari 100      16.5       16.5
17 WFR  Kutch, Saurashtra 322      15.1      15.0
18 Minor rivers going intoMyanmar, Bangladesh   36      31.0  
  Total     1,869.4    690.0

*BCM=Billion Cubic Metres

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