Jan 16, 2025 · dam, structure built across a stream, a river, or an estuary to retain water. Dams are built to provide water for human consumption, for irrigating arid and semiarid lands, or for use in industrial processes.

Dams generally serve the primary purpose of retaining water, while other structures such as floodgates or levees (also known as dikes) are used to manage or prevent water flow into specific land regions.

Jun 21, 2024 · A dam is a structure built across a river or stream to hold back water. People have used different materials to build dams over the centuries. Ancient dam builders used natural materials such as rocks or clay.

The primary purpose of dams is for storage and safe retention of water in large quantity which is subsequently released to achieve various purposes such as irrigation, hydropower, recreation, water supply, flood prevention etc. 1. Irrigation. The primary and main purpose of constructing a dam is to store water and use it for irrigation.

Nov 14, 2021 · Dams are water reservoirs or just a wall-like structure built across a river to retain the water and increase the flow when needed, used for electricity generation, and various other functions. Most of the people have several questions about the …

A dam is an artificial structure built on a river or other waterway with the primary purpose of storing and controlling the flow of water. Its size and purpose vary significantly from one project to another.

Jan 12, 2023 · A dam is a hydraulic structure built across a river or a stream to create a reservoir for the available water. A dam is also referred to as a barrier which is built across a river or a stream to restrict and control the flow of water.

Jan 25, 2024 · A dam is a somewhat impervious hydraulic construction built across a river to create a reservoir on its upstream side for impounding water for various applications. These applications include irrigation, hydropower, water supply, flood control, navigation, fishing, and …

A dam is defined as a barrier or structure across a stream, river or waterway to confine and then control the flow of water. Dams vary in size from small earth embankments, often for farm use, to high massive concrete structures generally used for water supply, hydropower and irrigation.

May 17, 2023 · A dam is a structure built across a river or other bodies of water to control and slow down the flow. It can vary in size and shape, and is often made from materials like concrete, stone, or soil. Dams serve multiple purposes, such as storing water, generating electricity and preventing flooding.