Desilting Plans for Bhakra and Pong Dams Stalled by Costs and Policy Gaps
Cost, tender hurdles sink Bhakra, Pong desilting plan
Hindustan Times
Image: Hindustan Times
Efforts to desilt the Bhakra Dam and Pong Dam reservoirs in northern India are hindered by high costs, lack of bidders for tenders, and absence of a national policy. Sedimentation has reduced storage capacity significantly, threatening irrigation and hydropower efficiency.
- 01Sedimentation has reduced Bhakra Dam's storage capacity by 1.5 billion cubic meters.
- 02Pong Dam has lost about 1 billion cubic meters of its capacity due to silt.
- 03No desilting has occurred since the dams were commissioned in the 1960s and 1970s.
- 04High costs of dredging and poor tender responses are major obstacles.
- 05A coordinated policy approach among partner states is essential for progress.
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The Bhakra Beas Management Board (BBMB) faces significant challenges in desilting the Bhakra Dam and Pong Dam reservoirs due to high costs, insufficient tender responses, and a lack of a national policy. Sedimentation has severely impacted the storage capacity of these critical reservoirs, with 1.5 billion cubic meters lost at Bhakra and 1 billion cubic meters at Pong. The Bhakra Dam, operational since 1963, and Pong Dam, completed in 1974, have not undergone any desilting efforts since their commissioning, leading to concerns about their efficiency for irrigation and hydropower generation. While initial tenders for dry desilting failed to attract bidders, BBMB is launching a new tender process and consulting with partner states, including Himachal Pradesh. However, deep-water desilting remains a complex task requiring advanced dredging technology, which is costly. The BBMB emphasizes the importance of a coordinated approach to address these issues, as the dams are vital for agricultural success and regional food security.
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The inability to desilt these dams could lead to reduced irrigation efficiency and increased flood risks, affecting farmers and residents in Punjab, Haryana, and Rajasthan.
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