What are the Advantages and Disadvantages of Dams?

By Priya Gupta|Updated : September 5th, 2022

Dams are constructed to regulate the supply of water to fulfil domestic and industrial needs, generate electricity, etc. Whenever there is a debate on Environment vs Development, the biggest question comes is about the advantages and disadvantages of Dams. There are a lot of advantages and disadvantages of constructing dams such as preservation of water, electricity generation, large-scale migration of people, high costs, etc. Let us learn more about it in detail.

Advantages of Dams

Since the beginning of the development of infrastructure, dams have been constructed on rivers by incurring high costs because there are various advantages of dams which are as follows:

  • Electricity is generated through dams using the hydroelectric plant.
  • The flow of water is regulated which is used for serving domestic, agricultural, and industrial needs.
  • The reservoir built behind the dam can be used for water sports, irrigation, or even other types of pleasurable activities.
  • Generating electricity through dams does not cause pollution as no greenhouse gases are created in the process.

Disadvantages of Dams

There are certain disadvantages of dams as well which must be considered as cons. The drawbacks of dams are listed below:

  • Large-scale migration of people out of the area where the dam is proposed to be built.
  • The construction of huge dams leads to a major deterioration of the earth’s surface which causes geological harm.
  • Building dams is a very costly and time-taking process.
  • The construction of dams takes many years which leads to poor quality of life for the people living nearby the construction areas.

Related Questions:


write a comment


  • Building dams is harmful to the environment as it leads to poor quality of life for the population living in nearby places or have been displaced because of the project.

  • The top advantages of dams are as follows: Electricity generation, tourist attraction increases because of it, fulfil water demand needs for domestic, agricultural, and industrial purposes.

Featured Articles

Follow us for latest updates