What is a Dam?

 Dams are massive structural barriers constructed across the rivers and the streams to confine water for various purposes. The confinement created can either forma a lake or reservoir.

What are Dams?

The water in the reservoir is used for the following purposes:

  1. Irrigation
  2. Generation of Electricity
  3. Flood Control
  4. Recreation and Pollution Control
The dams that are constructed for irrigation water supply system is called as diversion dams. While the dams used to control flooding is called as detention dams.

History of Dam

The first ever built dam was across the Nile river during 2900 B.C to protect the city of Memphis from flooding.

Now, as per the International Rivers Network, over 800,00 dams have been constructed worldwide to serve the purpose of hydro-power, navigation, water storage, flood control, drinking water and irrigation.

Arch Dams - Why Is It Unique?? Watch Below Video

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