Alalaú River is a river forming part of the border between the
Amazonas and
Roraima states in north-western
Brazil
Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...
, a tributary of the
Jauaperi River.
The river basin is in the
Waimiri Atroari Indigenous Territory
The Waimiri Atroari Indigenous Territory ( pt, Terra Indígena Waimiri Atroari) is an indigenous territory in the states of Amazonas and Roraima, Brazil. There has been a long history of violent conflict between the indigenous Waimiri-Atroari peo ...
.
Tailings of processed tin ore from the
Pitinga mine are held in holding ponds as a reserve that may be further processed if justified by a rise in the price of tin.
In 1987 the dykes of four ponds broke.
The sediment was released into the Alalaú River, and the pollution affected the fish downstream in the Waimiri-Atroari Indian Reserve.
The Indians reported that the polluted water had made them ill.
See also
*
List of rivers of Amazonas
*
List of rivers of Roraima
References
Sources
*
*
*
Rivers of Amazonas (Brazilian state)
Rivers of Roraima
{{AmazonasBR-river-stub