2025: Silt accumulation in Indian Dams: Reducing entry of silt is the only viable option

December 18, 2025December 18, 2025 SANDRPLeave a comment

(Feature Image: Luhri-I HEP muck dump along Satluj river. Credit HNA, Aug 2024)

This annual overview highlights the critical issue of siltation in dams across India. Silt accumulation is defeating the very ‘multi-purposes’ for which they were built. While the reduced storage has been hampering dam-based water supplies, it is also leading to their fast filling up and untimely releases in monsoon season thus creating avoidable floods. It is in some case has also been resulting in plans to construct additional reservoirs and increase in dam height.

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Dam Safety

2024 Dam Safety

January 26, 2025January 26, 2025 SANDRPLeave a comment

(Feature Image: Coimbatore Corporation Commissioner M. Sivaguru Prabakaran inspecting the Siruvani dam on January 8, 2025. Photo, Text Source: The Hindu)

This annual overview complies the remaining relevant reports from 2024 concerning safety of dam structures in India. As per a report, the incident of damage to Tungabhadra dam gate in August 2024, raised alarm for other aging dams in Karnataka. In fact, the Bhadra dam also witnessed jamming of a gate due to rust in June 2024. Similarly, the Kabini reservoir has been dealing with a leakage for the past three years. The report further highlights negligence in dams’ monitoring and inadequate expertise and corruption often impacting the quality of maintenance works of dams in the state. As per another report taking sou moto action, the Karnataka High Court in January 2024, banned mining and blasting activities within a 20 km radius of the Krishna Raja Sagara dam in the state.

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Dam Safety

2024: Has NDSA made our dams any safer?

January 5, 2025January 18, 2025 SANDRP1 Comment

(Feature Image: Srisailam dam in Telangana. Source: Telangana Today)

This annual overview focusses on the functioning of National Dam Safety Authority (NDSA) and related institutions in 2024 to understand if the functioning of these institutions have made Indian Dams any safer? Here functioning of Central Water Commission (CWC) is also important as CWC people head all the dam safety panels. The dam safety related institutions were formed following the passage of Dam Safety Act 2021 and hence there were promises and hopes that these institutions will make our dams safer.

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Hydro Disaster

2024: Accidents & Damages to Hydro & Dams in India

December 20, 2024January 18, 2025 SANDRPLeave a comment

The annual overview highlights the damages and accidents affecting dams and hydro power projects in India during 2024. The highest number of such incidents happened in Himachal Pradesh. Incidents are also noteworthy from Sikkim, Arunachal Pradesh and Uttarakhand among the Himalayan states. In addition, noteworthy dam disaster incidents in the year happened in Karnataka, Telangana, Andhra Pradesh and Madhya Pradesh. The previous overview on the issue can be seen by visiting the links 2023, 2022, 2021, 2020.

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DRP News Bulletin

DRP NB 090924: Question marks over Yettinahole should not be buried under money spent

September 9, 2024September 9, 2024 SANDRPLeave a comment

(Feature Image: File photo of Yettinahole Project. Source: Daijiworld)

The Yettinahole project has seen protests and question marks right from the time when the project was proposed, none of them have been convincingly answered. As the Karnataka Chief Minister and his deputy commissioned a small part of it, those question marks remain as relevant today, including its hydrological viability, environmental impact assessments and sustainability, with hugely weakening of the western ghats by such major interventions without any credible impact assessments. (see: https://sandrp.in/2013/09/18/yettinahole-diversion-an-imprudent-rs-100-billion-proposition/)

It is good to see CWC and MoEF have also raised some questions and asked report even at this stage. One however expects CWC to raise such questions much earlier in the project cycle and before the project becomes fait accomplice. Else, it seems more like politicking. MoEF could have raised issues of violations before the violations happened on ground and should have refused to provide piece meal forest clearances as it has alleged.

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DRP News Bulletin

DRP NB 120824: Chalakudy community demand Prudent Dam Management Plan

August 12, 2024August 12, 2024 SANDRPLeave a comment

(Feature Image: Water flows through the gates of the Peringalkuthu dam on Chalakudy river after a sluice was opened following heavy rain in Thrissur on Aug. 04, 2022. Photo Credit: PTI/The Hindu)

One of the heartening development this week is from Kerala, where Chalakudy river community held a satyagraha to demand proper integrated dam management plan in the Chalakudy River basin to minimize flood risks. It is rather rare that communities come out for such a demand. It was also great to see that the satyagraha was supported by Chalakudy Puzha Samrakshan Samiti, Chalakudy municipal chairman and also environmentalists.

The satyagraha in fact had specific demand for each of the dams included in the Paramibikulam Aliyar Project, including in Kerala and upstream Tamil Nadu. We hope the Kerala government positively responds to these demands at the earliest.

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Dam Disaster

Tungabhadra Dam: A Crest Gate washed away in August 2024

August 11, 2024September 6, 2024 SANDRP3 Comments

In a major dam related disaster at around 10.50 pm on Aug 10, 2024 [i], one of the crest gates at the Tungabhadra dam has broken [ii] near Hospete in Vijayanagara district in Karnataka, causing the release of 70,000 to 100,000 cusecs of stored water. The chain on the 19^th (of total 33 gates) gate of Tungabhadra dam on Tungabhadra river, part of Krishna River Basin, got cut, snapped and was washed away about 100 m from the dam on Saturday. The chain that was used to operate the gate snapped as the welding gave way. The Tungabhadra gates only have chain and not chain and rope as in some other dams. The force of the water in the dam swept the 60-foot-by-20-foot gate, weighing around 20 tonnes, some 500 ft away, J Purushottham, president of the Tungabhadra Farmers’Association, said. This possibly happened due to heavy flows, but also due to wear and tear of over 70 years of operation of the dam. A temporary stop log gate is now being planned, as permanent crest gate will take time.

The disaster raises a number of questions about the operation and maintenance of the dam.

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Dams · DRP News Bulletin

DRP News Bulletin 23 July 2018: Landmark CAG Reports on DAM FLOODS & Ineffective; Costly Mega Irrigation Projects

July 23, 2018July 23, 2018 SANDRPLeave a comment

In its latest report, the Comptroller and Auditor General (CAG) has questioned implementation of sixteen National Irrigation Projects. Before this, the CAG has held mismanagement in dams’ operation responsible for Chennai floods in 2015. Both these reports are available on its website now.

The CAG report on National Irrigation Projects, tabled in Parliament on July 20, has revealed that sixteen major multi-purpose water projects, taken up on an expeditious basis about a decade ago, are nowhere near completion, with no work being undertaken in as many as 11 projects despite the incumbent govt’s much-wanted focus on improving irrigation facilities in the country.

The report also mentioned that out of the 16 projects, undertaken under the Accelerated Irrigation Benefits Programme (AIBP) in Feb 2008, only five projects with estimated irrigation potential of 25.10 lakh hectares were under implementation and even these projects suffer from 8 to 99 per cent shortfall in physical progress, the CAG said. The remaining 11 projects with estimated irrigation potential of 10.48 lakh hectares are yet to commence and are at different stages of approval.

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