The Engineer Souza Dias Dam, formerly known as the Jupiá Dam, is an

embankment dam An embankment dam is a large artificial dam. It is typically created by the placement and compaction of a complex semi-plastic mound of various compositions of soil or rock. It has a semi-pervious waterproof natural covering for its surface ...

on the

Paraná River The Paraná River ( ; ; ) is a river in south-central South America, running through Brazil, Paraguay, and Argentina for some ."Parana River". Encyclopædia Britannica. Encyclopædia Britannica Online. Encyclopædia Britannica Inc., 2012. Web. ...

near

Três Lagoas Três Lagoas ("Three Ponds") is a municipality in Mato Grosso do Sul, Brazil. It is the third most populous city in that state. Founded in 1915, colonization began in 1880 by Luís Correia Neves Filho, Antônio Trajano dos Santos e Protásio Garci ...

Mato Grosso do Sul Mato Grosso do Sul ( ) is one of Federative units of Brazil, Brazil's 27 federal units, located in the southern part of the Central-West Region, Brazil, Central-West Region, bordering five Brazilian states: Mato Grosso (to the north), Goiás and ...

Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...

. It was constructed for

hydroelectric Hydroelectricity, or hydroelectric power, is Electricity generation, electricity generated from hydropower (water power). Hydropower supplies 15% of the world's electricity, almost 4,210 TWh in 2023, which is more than all other Renewable energ ...

power production,

flood control Flood management or flood control are methods used to reduce or prevent the detrimental effects of flood waters. Flooding can be caused by a mix of both natural processes, such as extreme weather upstream, and human changes to waterbodies and ru ...

and

navigation Navigation is a field of study that focuses on the process of monitoring and controlling the motion, movement of a craft or vehicle from one place to another.Bowditch, 2003:799. The field of navigation includes four general categories: land navig ...

. Studies on the dam and power plant began in 1951 which recommended the dam along with the

Ilha Solteira Dam The Ilha Solteira Dam is an embankment dam on the Paraná River near Ilha Solteira in São Paulo, Brazil. It was constructed between 1967 and 1973 for hydroelectric power production, flood control and navigation. After launch of last generator in ...

. The dam was inaugurated in 1968 and its generators were commissioned between 1969 and 1974.

Dam and reservoir

The Souza Dias Dam is a high and long combination concrete gravity and embankment dam. The concrete

power plant A power station, also referred to as a power plant and sometimes generating station or generating plant, is an industrial facility for the electricity generation, generation of electric power. Power stations are generally connected to an electr ...

navigation lock A lock is a device used for raising and lowering boats, ships and other watercraft between stretches of water of different levels on river and canal waterways. The distinguishing feature of a lock is a chamber in a permanently fixed position i ...

and

spillway A spillway is a structure used to provide the controlled release of water downstream from a dam or levee, typically into the riverbed of the dammed river itself. In the United Kingdom, they may be known as overflow channels. Spillways ensure tha ...

section of the dam measures long while the earth-fill embankments flanking the concrete section measure long on the right and long on the left. The

reservoir A reservoir (; ) is an enlarged lake behind a dam, usually built to water storage, store fresh water, often doubling for hydroelectric power generation. Reservoirs are created by controlling a watercourse that drains an existing body of wa ...

created by the dam has a capacity of which is active or "useful" storage. The reservoir has a catchment area of and surface area of . The dam's spillway contains 37

floodgate Floodgates, also called stop gates, are adjustable gates used to control water flow in flood barriers, reservoir, river, stream, or levee systems. They may be designed to set spillway crest heights in dams, to adjust flow rates in sluices and ...

s, each with a discharge capacity for a total discharge of . The average long-term flow at the dam is and the record maximum flow was which was reached on October 2, 1983. The dam's navigation lock is long, wide and affords transportation on the Paraná and

Tietê River The Tietê River ( ) is a Brazilian river in the state of São Paulo. The first known use of the name Tietê was on a map published in 1748 by d’Anville. The name means "truthful river", or "truthful waters”, in Tupi. The Tietê River i ...

s. It was inaugurated January 1998.

Power station

The dam's power station contains 14 x generators that are powered by

Kaplan turbine The Kaplan turbine is a propeller-type water turbine which has adjustable blades. It was developed in 1913 by Austrian professor Viktor Kaplan, who combined automatically adjusted propeller blades with automatically adjusted wicket gates to a ...

s for a total installed capacity of . In addition, the power station contains two service generators for powering the dam's facilities itself. Together, dam's generators are designed to discharge of water, bringing the total discharge capability of the dam to at a reservoir elevation of above sea level.

References

{{Paraná River dams Dams completed in 1968 Dams in São Paulo (state) Dams on the Paraná River Embankment dams Locks of Brazil Dams in Mato Grosso do Sul

Dam and reservoir

Power station

See also

References