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The iron ore tailings of the Vale dam that erupted at Brumadinho (MG) will reach the Três Marias hydroelectric power station on the São Francisco River as of February 15. Information from researchers from the Brazilian Geological Survey (CPRM) and the National Water Agency (ANA) appear in the first special monitoring bulletin of the Paraopeba River, one of the main tributaries of the Old Boy.
Controlled by Cemig Electric Company of Minas Gerais), Três Marias is the first installed along the São Francisco River. According to the O Globo website, calculations by government officials indicate that sludge will reach the plant between days 15 and 20. the following month.
Before, it was expected that the mud would arrive in the area of São José da Varginha in the night of this Tuesday (29). Then, the sludge of residues will cross the hydroelectric station Retiro Baixo from February 5th to 10th.
According to O Globo, the government had predicted that the plant would "amortize" much of the tailings sludge dumped into the river.
The CPRM reported that two monitoring reports forecast the arrival of early troubled waters at points of interest along the Paraopeba. The methodology used uses observed field data and river basin characteristics
. This bulletin is the first government document informing that mud from the dam will arrive in San Francisco. Earlier Monday, the Mining Secretary of the Ministry of Mines and Energy, Alexander Vidigal, had denied that the residues reach Três Marias.
On Sunday, Regional Development Minister Gustavo Canuto said the government was working with a low probability that the mud wave would contaminate São Francisco.
The number of deaths due to the rupture of the dam rose to 60 in the second.
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