Dams

DRP NB 150822: CWC accepts faulty operation of dams can lead to floods

(Feature Image:- Cauvery water flows to the brim at the Amma Mandapam padithurai in Srirangam, after discharge of waters from the Mettur dam at Tiruchi on Friday Aug. 05, 2022. Photos: M. Moorthy/@THChennai)

In a major development, the Union Jal Shakti Minister and Central Water Commission (CWC) has accepted that faulty operation of dams can lead to floods. SANDRP has been at the forefront of pointing this reality for more than a decade and a half and authorities were in denial till recently. So this acknowledgement that came through a statement in Parliament by Union Minister of state for Jal Shakti on Aug 8, 2022, as reported by PIB (Press Information Bureau) Press Release. One hopes this is only the first step that will ultimately ensure that dams are operated in a optimal, completely transparent way to reduce the flood risks in the downstream area to the maximum possible extent and where this does not happen, there is accountability.

Unfortunately, as the same PR noted, no data on flooding caused by faulty operations of reservoirs are maintained centrally. In fact such data is not available with any official agencies anywhere in India. This needs to be corrected urgently. It is also necessary to define the norms of safe operation of dams and to ensure that all the relevant information in this regard is put up in public domain on daily basis for each dam in India. Similarly for each dam, rule curves should be updated and put in public domain so that everyone can see if the dam is operating according to rule curve or not. At the end of each monsoon, a credible independent review should be undertaken to see where we have faltered, who are responsible and what corrective measures are required.

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