Dams In India 2025 – List Of Major Dams State-Wise With Types And Importance

Explore Major Dams In India 2025 With State-Wise List, Types, Functions, And Their Role In Irrigation, Power Generation, And Flood Control. Know Key Dams Like Tehri And Hirakud.

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Dams play a vital role in water management, irrigation, hydroelectric power, and flood control in India. As a country with vast agricultural needs and increasing energy demands, India has constructed numerous dams to store water, generate electricity, and regulate river flow.

In this article we will provide a detailed list of major dams in India, their types, purposes, and significance.

What is a Dam?

A dam is a barrier built across a river or stream to store, control, and manage water. It creates a reservoir that helps in irrigation, electricity generation, drinking water supply, and flood prevention.

Functions of Dams:

  • Water Storage – Ensures year-round water supply for agriculture and drinking purposes.
  • Irrigation – Helps in irrigating farmland, especially in drought-prone areas.
  • Hydroelectric Power – Generates renewable energy from water flow.
  • Flood Control – Prevents excessive water flow, reducing flood risks.
  • Navigation & Transportation – Maintains water levels for boat and ship movement.

Also Read: Ramsar sites in India 

Types of Dams in India

Dams in India are categorized based on structure and material, including arch dams, gravity dams, embankment dams, and barrages. These serve various purposes such as water storage, hydroelectric power generation, and flood control. These are as follows:

  • Arch Dam:
  • Structure: Curved design to distribute water pressure to canyon walls.
  • Example: Idukki Dam (Kerala) – One of India’s largest arch dams.
  • Gravity Dam:
  • Structure: Uses its weight to resist water pressure.
  • Example: Bhakra Dam (Himachal Pradesh) – One of the tallest gravity dams.
  • Arch-Gravity Dam:
  • Structure: A combination of arch and gravity dam properties.
  • Example: Tehri Dam (Uttarakhand) – India’s tallest dam.

  • Barrages:
  • Structure: Large gates to regulate water flow.
  • Example: Farakka Barrage (West Bengal) – Controls Ganga River flow.

  • Embankment Dam:
  • Structure: Made of compacted soil and rock.
  • Example: Hirakud Dam (Odisha) – The longest dam in India.

  • Rock-Fill Dam:
  • Structure: Constructed with rocks and an impermeable core.
  • Example: Sardar Sarovar Dam (Gujarat) – Built on the Narmada River.

  • Earth-Fill Dam:
  • Structure: Made of earth and clay materials.
  • Example: Mettur Dam (Tamil Nadu) – Built on the Cauvery River.

Major Dams in India

India is home to several major dams that support irrigation, hydroelectric power generation, flood control, and water storage. These dams play a crucial role in regional development and water resource management. Here is a list of major dams in India, along with a brief description of their history and importance:

Also Read:  National Parks In India

  • Nagarjuna Sagar Dam (Andhra Pradesh): Built on the Krishna River in 1967, it is one of India’s largest dams, serving irrigation, power generation, and flood control purposes.
  • Sardar Sarovar Dam (Gujarat): Located on the Narmada River, it supplies irrigation and drinking water but has been controversial due to environmental and social impacts.
  • Bhakra Dam (Himachal Pradesh): Constructed on the Sutlej River, it is one of the world’s highest gravity dams, providing irrigation and hydroelectric power.
  • Idukki Dam (Kerala): A double curvature arch dam in the Western Ghats, it plays a key role in hydroelectric power generation and water storage.
  • Tehri Dam (Uttarakhand): Built on the Bhagirathi River, it is one of India’s tallest dams, supporting irrigation, hydroelectric power, and drinking water supply.
  • Hirakud Dam (Odisha): Constructed on the Mahanadi River, it is the world’s longest earthen dam, aiding flood control, irrigation, power generation, and navigation.
  • Koyna Dam (Maharashtra): A major hydroelectric project on the Koyna River, contributing significantly to Maharashtra’s power supply.
  • Mettur Dam (Tamil Nadu): Built on the Cauvery River, it is crucial for irrigation in the delta region, drinking water supply, and hydroelectric power generation.
  • Rihand Dam (Uttar Pradesh): The largest dam in Uttar Pradesh, situated on the Rihand River, supporting irrigation, power generation, and water flow regulation.
  • Indira Sagar Dam (Madhya Pradesh): Located on the Narmada River, it holds one of India’s largest reservoirs, aiding irrigation, power generation, and drinking water supply.

List of Major Dams in India State-wise

India has numerous dams that are vital for irrigation, water supply, hydroelectric power generation, and flood control. The country’s varied topography has enabled dam construction across different states, supporting agricultural and industrial growth. Below is a state-wise list of major dams in India.

 

State Major Dams
Andhra Pradesh Nagarjuna Sagar Dam, Srisailam Dam, Pulichintala Dam, Somasila Dam, Prakasam Barrage
Arunachal Pradesh Subansiri Lower Dam, Dibang Dam, Ranganadi Dam, Kameng Dam
Assam Karbi Langpi Dam, Kopili Dam, Subansiri Dam
Bihar Koshi Barrage, Farakka Barrage, Supaul Barrage, Bagmati Barrage
Chhattisgarh Indravati Dam, Hasdeo Bango Dam, Dudhawa Dam, Murrum Silli Dam
Gujarat Sardar Sarovar Dam, Ukai Dam, Dantiwada Dam, Kadana Dam, Dharoi Dam
Himachal Pradesh Bhakra Dam, Pandoh Dam, Chamera Dam, Nathpa Jhakri Dam, Pong Dam
Jammu and Kashmir Baglihar Dam, Salal Dam, Uri-II Dam, Dulhasti Dam
Karnataka Almatti Dam, Tungabhadra Dam, Krishnarajasagar Dam, Linganamakki Dam, Supa Dam
Kerala Idukki Dam, Mullaperiyar Dam, Malampuzha Dam, Periyar Dam
Madhya Pradesh Bargi Dam, Indira Sagar Dam, Omkareshwar Dam, Tawa Dam, Gandhi Sagar Dam
Maharashtra Koyna Dam, Jayakwadi Dam, Bhandardara Dam, Wilson Dam, Vaitarna Dam
Odisha Hirakud Dam, Rengali Dam, Upper Kolab Dam, Mandira Dam, Balimela Dam
Punjab Bhakra Dam, Ranjit Sagar Dam, Harike Barrage, Hussainiwala Barrage
Rajasthan Rana Pratap Sagar Dam, Jawai Dam, Mahi Dam, Bisalpur Dam
Tamil Nadu Mettur Dam, Mullaperiyar Dam, Vaigai Dam, Parambikulam Aliyar Project (PAP) Dam
Telangana Nagarjuna Sagar Dam, Srisailam Dam, Sriram Sagar Dam, Singur Dam, Lower Manair Dam
Uttar Pradesh Tehri Dam, Rihand Dam, Matatila Dam, Kanpur Barrage, Obra Dam
Uttarakhand Tehri Dam, Ramganga Dam, Dharasu Dam, Maneri Dam
West Bengal Farakka Barrage, Maithon Dam, Panchet Dam, Tilaiya Dam, Konar Dam

Role of Dams in India

India’s major dams significantly contribute to resource management, energy generation, and regional development, benefiting both people and the environment. Dams are essential for India’s water management and development, offering multiple benefits:

  • Water Supply: Dams ensure a steady water supply for domestic, industrial, and irrigation needs by storing monsoon water and releasing it during dry periods.
  • Hydroelectric Power: Many dams in India generate electricity by harnessing flowing water, reducing reliance on fossil fuels and meeting energy demands.
  • River Navigation: By regulating water flow, dams maintain navigable channels, improving inland water transport, trade, and connectivity.
  • Recreation: Reservoirs serve as tourist spots, supporting activities like fishing and boating, which boost local economies.
  • Flood Control: Dams help prevent flooding by storing excess water and releasing it gradually, protecting downstream areas from damage.

Conclusion

Dams in India are essential for water conservation, irrigation, energy production, and flood control. From the oldest Kallanai Dam to the largest Tehri Dam, each structure contributes to the nation’s progress.

By understanding their importance and types, we can appreciate their role in sustainable development and resource management.

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Dams in India FAQs

 The highest dam in India is the Tehri Dam in Uttarakhand, standing at a height of 260.5 meters. It is also one of the tallest dams in the world.

 The longest dam in India is the Hirakud Dam in Odisha, stretching over 25.8 kilometers across the Mahanadi River.

Maharashtra has the most dams in India, with over 2,000 large and small dams, including notable ones like Koyna and Jayakwadi.

 The largest reservoir in India is the Indira Sagar Reservoir, formed by the Indira Sagar Dam on the Narmada River in Madhya Pradesh, with a capacity of 12.22 billion cubic meters.

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