Government Launched the Announcement to Build a Large Dam: It Will Be 40.8 Meters Tall and Have a Capacity of 20.2 Million Cubic Meters, with an Investment of R$ 156.5 Million to Protect 450,000 Residents in SC

Written by Fabio Lucas Carvalho

Published on 17/09/2025 at 21:09

Governo investirá R$ 156,5 milhões na Barragem de Botuverá, com 40,8 m de altura e 20,2 milhões m³ para proteger 450 mil pessoas.

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With a Promise to Transform Safety in the Itajaí Valley, Santa Catarina Will Invest R$ 156.5 Million in the Construction of the Botuverá Dam, a Structure 40.8 Meters High and 20.2 Million m³ That Aims to Protect 450 Thousand Residents from Recurring Floods That Have Affected the Region for Decades.

The Government of Santa Catarina published on Tuesday, the 16th, the electronic bidding notice for the construction of the Botuverá Dam, on the Itajaí Mirim River. The project is estimated to require an investment of R$ 156.5 million and is expected to directly benefit around 450,000 people in Botuverá, Brusque, and Itajaí.

The project is part of a package of protection and civil defense actions that also includes the new dam in Mirim Doce and the renovation of structures in Ituporanga, Taió, and José Boiteux. According to the government, the initiative seeks to reduce the impacts of floods that have historically affected the Itajaí Valley.

Jorginho Mello Calls the Project a Historic Milestone

Governor Jorginho Mello described the future dam as a historic milestone for the region. He stated that the government is investing in infrastructure to protect the population and minimize the damage caused by flooding. For him, the project represents a decisive step in the safety of local communities.

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Safety and Development for the Itajaí Valley

The Secretary of Protection and Civil Defense, Mário Hildebrandt, stated that the project goes far beyond an engineering project.

According to him, the government fulfills its commitment to care for people and cities. Hildebrandt emphasized that the dam represents safety for thousands of families, prevention, and development.

He highlighted that the investment of over R$ 156.5 million seeks to build a more resilient future for the Itajaí Valley and for the entire state.

For the secretary, the dam demonstrates the government’s commitment to protecting lives and promoting sustainable growth in areas affected by floods.

In addition to the Botuverá Dam, the State plans to launch the bidding notice for the Mirim Doce dam by the end of the year. Projects for new structures in Petrolândia, Pouso Redondo, and Trombudo Central are also progressing, expanding the flood containment network in Santa Catarina.

Characteristics and Technology of the Structure

The Botuverá Dam will be constructed using roller-compacted concrete (RCC), a technique known for its high strength and durability.

The structure will be 40.8 meters high and 124 meters long at its crest. It will be able to store 20.2 million cubic meters of water.

The project also includes two sluice gates, each with the capacity to release up to 250 cubic meters of water per second. These features will allow for efficient control of the flow of the Itajaí-Mirim River, reducing the impact of floods that have affected the region for decades.

Studies by the Japan International Cooperation Agency (JICA) supported the planning of the dam. The project will follow strict environmental criteria, including the restoration of degraded areas, waste management, and reforestation with native species.

During the execution, the project will be monitored by remote systems, audiovisual reports, and periodic inspections. Control agencies will continuously oversee the process.

The expectation is to complete and put the dam into operation in two years, providing more protection to the communities in the Itajaí Valley.

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Government Launched the Announcement to Build a Large Dam: It Will Be 40.8 Meters Tall and Have a Capacity of 20.2 Million Cubic Meters, with an Investment of R$ 156.5 Million to Protect 450,000 Residents in SC

Jorginho Mello Calls the Project a Historic Milestone

Safety and Development for the Itajaí Valley

Characteristics and Technology of the Structure

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Government Launched the Announcement to Build a Large Dam: It Will Be 40.8 Meters Tall and Have a Capacity of 20.2 Million Cubic Meters, with an Investment of R$ 156.5 Million to Protect 450,000 Residents in SC

Jorginho Mello Calls the Project a Historic Milestone

Safety and Development for the Itajaí Valley

Characteristics and Technology of the Structure

While in Brazil a 10-story building takes 2 years to complete, in China a company stacks pre-fabricated modules and raises the entire building in just 28 hours and 45 minutes.

BRICS is preparing a payment system inspired by the Brazilian PIX that will allow direct transactions between countries using national digital currencies without relying on the dollar or Western banks as intermediaries.

Ethiopia has banned gasoline and diesel cars, placed over a hundred silent electric buses on the streets of Addis Ababa, and now aims for half a million electric vehicles by 2030, all powered by Africa’s largest dam and a courage that few countries have shown.

On the coast of China, fishermen received an official reward after finding 10 foreign underwater devices capable of “stealing secrets” in just two years, showing that the silent war for the seabed has already reached the nets of those who rely on fishing.

A view from space, an image made by NASA shows the impressive Richat Structure, a geological formation located in the Sahara Desert, also known as the “Eye of the Sahara.”

In the South Atlantic, three isolated volcanic islands cause the wind to draw perfect spirals visible from space: a rare phenomenon called von Kármán vortex streets forms symmetrical patterns behind the peaks of the South Sandwich Islands and was recorded by the NOAA-20 satellite in 2025.

Solar-powered ice factory in the Amazon that eliminated a 5-hour trip to Manaus, prevents the loss of up to two-thirds of the fish, and now ensures income for more than 30 riverside families.

India is paving 1,350 kilometers of road with 8 lanes to connect its two largest cities — the drive between Delhi and Mumbai will be reduced from 24 hours to 12, and 929 kilometers are already completed.

As the world watches with concern, Russia and North Korea are strengthening ties with the first road bridge in history between the two countries, capable of transporting 300 vehicles per day, and the inauguration scheduled for June marks a new phase of the alliance between Putin and Kim.

With floating cranes and millimeter precision, Japan erected the cable-stayed bridge of Kesennuma over the bay after the 2011 tsunami, lifting steel modules weighing thousands of tons during tidal windows.

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The largest home appliance manufacturer in the world closed its factory in Argentina and decided that Brazil will absorb everything, transferring machines, production, and supply of entire markets to the unit in Rio Claro, São Paulo, with an investment of nearly R$ 200 million.

As the world watches with concern, Russia and North Korea are strengthening ties with the first road bridge in history between the two countries, capable of transporting 300 vehicles per day, and the inauguration scheduled for June marks a new phase of the alliance between Putin and Kim.

China has just successfully tested the world’s first ground effect maritime vehicle, a craft that flies up to 6 meters above the water at 200 km/h, uses quantum technology and 6G communication, and can rescue patients in the middle of the ocean.

The extratropical cyclone that formed in the ocean is already pushing a cold front with heavy rains over the South of Brazil, and meteorologists warn that Thursday will be the most dangerous day, with significant amounts of rain and cold advancing into Paraguay.