The Chacorão Dam (or Chocorão Dam, Portuguese: Barragem de Chacorão) is a proposed dam on the Tapajós river in the state of Pará, Brazil.It would flood a section of rapids in the river, making them navigable by barges carrying soybeans to ports on the Amazon River. The dam would include locks for the barges and a hydroelectric power plant.It is controversial since it would flood a large area of an indigenous territory.