071f058e_Dam__Function
[Example] Hydroelectric power is a major source of electricity in the world. Many countries that have rivers with adequate water flow, that can be dammed for power generation purposes. For example, the Itaipu on the Paraná River in South America generates 14 GW and supplied 93% of the energy consumed by Paraguay and 20% of that consumed by Brazil as of 2005. [Function] 
Power generation
P o w e r g e n e r a t i o n
W a t e r s u p p l y
S t a b i l i z e w a t e r f l o w / i r r i g a t i o n
F l o o d p r e v e n t i o n
L a n d r e c l a m a t i o n
W a t e r d i v e r s i o n
N a v i g a t i o n
R e c r e a t i o n a n d a q u a t i c b e a u t y
Dam
Function