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Bookmark or Share- Dam | Definition, History, Types, Environmental Impacts, Examples ...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 - National Geographic SocietyDams can be used to store water, control flooding, and generate electricity. An aerial view of the Hoover Dam. This dam has been harvesting hydroelectric power for over 80 years now. 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.
- 8 Main Purposes of Dams – theconstructor.orgThe 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.
- Map: U.S. dams and reservoirs - The Water DeskThis map is based on the Global Reservoir and Dam Database, a survey listing about 7,000 larger dams and reservoirs worldwide, including 1,920 in the United States.
- Dams - Water Education FoundationDams focus primarily on storing water and then getting the water to the right place at the right time. In California, this system has helped spark important economic activity in arid or semi-arid areas of the state, including the agricultural Central Valley and Southern California.
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