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Linking of Rivers

Linking of Rivers:-Ken and Betwa

The linking of the Ken river in Madhya Pradesh and Betwa river in Uttar Pradesh last month, the Madhya Pradesh government is planning to add another buffer area of nearly 8,000 hectares (ha) into the Panna Tiger Reserve.

A dam is proposed on river Ken at Daudhan 2.5 km upstream of existing Gangau weir. The 75% dependable yield of Ken upto Daudhan site has been assessed as 6188 Mm³ . The net water availability at dam site after accounting all the upstream requirements is obtained as 3291 Mm³ . The downstream commitments from Ken at Daudhan are 2225 Mm³ .

The total length of the link canal from Ken at Daudhan to its outfall point is 231.45 km including a 2 km long tunnel in its head reaches. The design discharge of the link canal at its head is 72 cumecs. The canal is designed as a trapezoidal section with rounded corners and lined for the entire length. The full supply depth and bed width of the canal at its head are 3.56 m and 12 m respectively with 1 in 10,000 bed slope.The link canal after traversing about 230.00 km outfalls in an existing reservoir namely Barwa Sagar from where the diverted water will join Betwa river through a natural stream in the upstream of Parichha weir.

The Betwa command comprises of four projects namely Barari, Neemkheda, Richhan and Kesari in the upper reaches of the Betwa basin. An area of 1.27 lakh ha in the Raisen and Vidisha districts of Madhya Pradesh will be benefitted by utilising 659 Mm³ of water annually from this link by way of substitution. This link is also to provide annual irrigation to 47000 ha area enroute in the drought prone Chhatarpur and Tikamgarh districts of Madhya Pradesh and Hamirpur and Jhansi districts of Uttar Pradesh. The water use for this command is 312 Mm³ . Besides, an area of 3.23 lakh ha annually under earlier proposed KMPP command (termed as Ken command in this report) in the Chhatarpur and Panna districts of Madhya Pradesh will be benefited.

Authors- JASMINE WALIA,
                JOSHIKA GUPTA

Authors- Trisha and Vaibhav Rao