What is a dam? What are the different types of dams?

What is a dam? What are the different types of dams?

Answer:
A dam is a barrier across flowing water that obstructs, directs or retards the flow, often creating a reservoir, lake or impoundment.
Dams are classified according to their structure, intended purpose or height. On the basis of structure and material used, dams are classified as:

  • Timber dams
  • Embankment dams or masonry dams.

According to their height, dams can be categorised as:

  • Large dams or major dams
  • Low dams
  • Medium height dams
  • High dams
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