Dam Safety Framework

Syllabus: GS3/Disaster Management

In News

• Dams have greatly supported agriculture, industry, and overall socio-economic development in India over the decades.

Status of Dams In India

• India manages one of the largest dam portfolios globally. 
• It ranks third in the world, with 6628 specified dams, of which 6,545 are operational and 83 are under construction. 
• The gross water storage capacity of these dams is about 330 billion cubic metres. 
• India’s oldest, the Kallanai (Grand Anicut) in Tamil Nadu, has functioned for nearly 2,000 years—showcasing enduring engineering and maintenance.
• Maharashtra has the highest number of specified dams, followed by Madhya Pradesh, Gujarat, Chhattisgarh, Rajasthan, Karnataka and Odisha.

Importance of Dams

• Agriculture & Irrigation:  Dams are vital for India’s agriculture as they provide irrigation to large farmlands, support multi-cropping, and reduce dependence on monsoon rainfall, strengthening food security.
• Hydropower: Dams support hydropower generation, providing renewable energy and helping maintain grid stability while meeting peak electricity demand.
• Flood Control: Dams help control floods by regulating river flow during monsoon and reducing downstream flood risks when managed effectively.
• Socio-economic development:  Dams support socio-economic development by improving rural livelihoods and enabling activities like fisheries, tourism, and inland navigation in certain regions.
• Industrial Growth: Dams Ensures water for manufacturing and economic activity.

Challenges and Issues

• Ageing Infrastructure: Many older dams face risks due to structural ageing, fatigue, and outdated design standards.
• Institutional Gaps: Dam safety in India is affected by fragmented responsibilities across states, leading to uneven safety standards, funding gaps, and differences in technical capacity that result in inconsistent performance.
• Social & Environmental Issues:Climate change is increasing extreme rainfall and floods, making dam safety and reservoir management more challenging.
  • Dams can also cause displacement, ecological damage, and water-sharing conflicts.
• Sedimentation: It  reduces dam storage capacity over time and lowers the efficiency of irrigation and hydropower.
• Safety Concerns : Dam failure can cause severe downstream disasters, so continuous monitoring and timely repairs are essential for safety.

Various Initiatives of the government

• The Dam Rehabilitation and Improvement Project (DRIP): It is India’s flagship programme to improve the safety and performance of existing dams through structural repairs, modernisation, and advanced monitoring systems.
  • It is being implemented in three phases with World Bank and other international support, reflecting a shift towards risk-based dam safety management.
• The Dam Safety Act, 2021:  It provides a comprehensive framework for surveillance, inspection, operation and maintenance of specified dams across the country.
  • It establishes a four-tier system (national to state level) for dam safety regulation and makes dam owners legally responsible for regular inspections, emergency planning, monitoring systems, and proper funding for maintenance.
    •  A specified dam under the Act refers to a dam that is more than 15 metres in height, or between 10 and 15 metres in height if it satisfies prescribed technical criteria. 
• National Committee on Dam Safety (NCDS): It is the apex body under the Dam Safety Act, 2021, responsible for framing policies and setting national standards for dam safety.
  • It guides the overall dam safety framework to prevent dam-related disasters and ensure uniform safety norms across India. 
• National Dam Safety Authority (NDSA): It is responsible for implementing the policies, guidelines, and standards set by the National Committee on Dam Safety.
• State-Level Institutions and Dam Owners: The Dam Safety Act, 2021, mandates the constitution of State Committees on Dam Safety (SCDS) and the establishment of State Dam Safety Organisations (SDSOs).
  • Dam owners must ensure inspections, emergency plans, risk assessments, funding for repairs, safety instruments, and early warning systems. 
• Capacity Building: Centres of Excellence (CoEs) for dam safety are being set up at IIT Roorkee and IISc Bengaluru to focus on seismic hazard, risk assessment, rehabilitation, and dam safety technologies.
  • A National Centre for Earthquake Safety of Dams is also being established at MNIT Jaipur.
  • M.Tech programmes in dam safety have been started at IIT Roorkee and IISc Bengaluru since 2021–22 to build specialised expertise in this field.
• Digital Initiatives : Digital platforms such as DHARMA, along with instrumentation and Early Warning Systems, are strengthening real-time monitoring and data-driven dam safety management.

Conclusion and Way Forward 

• India’s dams are vital for water, food, and energy security, supporting irrigation, hydropower, drinking water supply, and flood control, and have driven long-term socio-economic development.
•  However, many are aging and increasingly affected by sedimentation and climate variability, making safety and asset management a growing priority over expansion.
• India is responding through the Dam Safety Act, 2021, the Dam Rehabilitation and Improvement Project (DRIP), and digital monitoring tools to improve safety and governance.
  • The focus is shifting to rehabilitation, climate resilience, and technology-driven predictive maintenance for safer and more sustainable dam management.

Source :PIB