The Arroyito Dam (in Spanish, ''Embalse de Arroyito'') is the fifth of five dams on the

Limay River The Limay River is an important river in the northwestern Argentine Patagonia (the region of Comahue). It originates at the eastern end of the Nahuel Huapi Lake and flows in a meandering path for about , collecting the waters of several tributari ...

in northwestern

Argentine Argentines (mistakenly translated Argentineans in the past; in Spanish (masculine) or (feminine)) are people identified with the country of Argentina. This connection may be residential, legal, historical or cultural. For most Argentines, ...

Patagonia Patagonia () refers to a geographical region that encompasses the southern end of South America, governed by Argentina and Chile. The region comprises the southern section of the Andes Mountains with lakes, fjords, temperate rainforests, and g ...

(the

Comahue Comahue is a sub-region of Argentina slightly to the south of the country's centre that covers the northern part of Argentine Patagonia and includes the provinces of Neuquén and Río Negro. Some also include La Pampa Province and the Patagone ...

region), at

above mean sea level Height above mean sea level is a measure of the vertical distance ( height, elevation or altitude) of a location in reference to a historic mean sea level taken as a vertical datum. In geodesy, it is formalized as '' orthometric heights''. Th ...

. It was inaugurated in 1979. The dam is made of compacted loose materials. It has a volume of , measuring in height and in length. It is used primarily for the generation of

hydroelectricity Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Hydropower supplies one sixth of the world's electricity, almost 4500 TWh in 2020, which is more than all other renewable sources combined an ...

, with an installed power of . It generates on average per year. It also serves as a

check dam A steel check dam A check dam is a small, sometimes temporary, dam constructed across a swale, drainage ditch, or waterway to counteract erosion by reducing water flow velocity. Check dams themselves are not a type of new technology; rather, ...

for El Chocón, located upstream. The

reservoir A reservoir (; from French ''réservoir'' ) is an enlarged lake behind a dam. Such a dam may be either artificial, built to store fresh water or it may be a natural formation. Reservoirs can be created in a number of ways, including contr ...

has an area of and a volume of . Its depth is on average (maximum: ).

References

* InterTourNet
Embalse Arroyito
*

External links

Dams completed in 1979 Energy infrastructure completed in 1979 Dams in Argentina Hydroelectric power stations in Argentina Buildings and structures in Neuquén Province Buildings and structures in Río Negro Province Dams on the Limay River {{argentina-struct-stub