Adding us as a Preferred Source tells Google you trust our content, so our articles show up more often in your Google Search, Discover feed, and AI Overviews.
verifiedCite
While every effort has been made to follow citation style rules, there may be some discrepancies.
Please refer to the appropriate style manual or other sources if you have any questions.
Select Citation Style
Daniel-Johnson Dam
Construction of the Daniel-Johnson Dam on the Manicouagan River in Quebec, Canada, c. 1965.
list of dams
Dams are incredibleāand often controversialāfeats of engineering and serve a variety of purposes. They are built to provide water for human consumption, for irrigating arid and semiarid lands, or for use in industrial processes. They are used to increase the amount of water available for generating hydroelectric power, to reduce peak discharge of floodwater created by large storms or heavy snowmelt, or to increase the depth of water in a river in order to improve navigation and allow barges and ships to travel more easily. The following is a list of dams, ordered alphabetically by country.

" height="20" alt="HEW Logo">