The risk level of the Itatiaiuçu dam increased as the Brazilian National Mining Agency (ANM), the mining regulator, released a new regulation that sets new standards for the safety of dams. ANM said the company should build a contention structure to avoid “incidents.

"The risk level of ArcelorMittal Brazil’s Serra Azul dam in the city of Itatiaiuçu, Minas Gerais state, rose from two to three, according to a media report by G1.The risk level of the Itatiaiuçu dam increased as the Brazilian National Mining Agency (ANM), the mining regulator, released a new regulation that sets new standards for the safety of dams. ANM said the company should build a contention structure to avoid “incidents.    

ArcelorMittal Brazil the new regulations don’t change the safety conditions at the dam. It also claimed the structure doesn’t have a risk of collapsing.