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Itaipu controls Paraná River level before October 25 flood
Guia 3 newsroom · edited by Annie GrellmannPortuguêsEspañol
Spillway open with flow of 14.5 million liters per second to avoid coinciding peaks of the Paraná and Iguaçu rivers
Itaipu Binacional adopted a strategy to keep the Paraná River level between 115 and 116 meters above sea level, aiming to prevent the flood peak from coinciding with the Iguaçu River peak expected on October 25. The measure includes keeping the spillway open, with an average flow of 14.5 million liters per second, amid forecasts of intense rains up to 350 mm in Foz do Iguaçu and the surrounding area.
Itaipu Binacional announced that, to curb the rise of the Paraná River, the spillway will remain open in the coming days, with an average flow of 14.5 million liters per second. The operation aims to keep the river level between 115 and 116 meters above sea level, preventing the flood peaks of the Paraná and Iguaçu rivers from coinciding, which is forecast for October 25.
According to engineer Paulo Zanelli Jr., coordinator of Itaipu’s Special Flood Commission, the strategy seeks to reduce the plant’s outflow during the period of highest flows in the Iguaçu River, preventing a new rise in the Paraná River level.
Simepar predicts intense rains in Itaipu’s area of interest, with accumulations that may exceed 300 millimeters and reach 350 millimeters in some locations, increasing flood risk.
Residents of riverside areas should consult Itaipu’s Hydrological Bulletin, available on the company’s Instagram and the website www.itaipu.gov.br, and follow Civil Defense alerts. Those who have already been relocated to safe sites should remain there and obey authorities’ instructions.
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Content verified by the newsroom based on an official source: O Paraná. Last checked: 10/24/2026. Found something inaccurate? We fix it fast. How we work.
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