The Subaé River () is a river in
Bahia
Bahia ( , , ; meaning "bay") is one of the 26 Federative units of Brazil, states of Brazil, located in the Northeast Region, Brazil, Northeast Region of the country. It is the fourth-largest Brazilian state by population (after São Paulo (sta ...
state of
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 ...
. It has its source in the city of
Feira de Santana
Feira de Santana (; Portuguese language, Portuguese for "Saint Anne's Fair") is a city in Bahia, Brazil. It is the second-most populous city in the state, with a population of 619,609 according to Brazilian Institute of Geography and Statistics, ...
and runs to the mouth at the
Baía de Todos os Santos
The Bay of All Saints ( pt, Baía de Todos os Santos), also known as All Saints' Bay and Todos os Santos Bay, is the principal bay of the Brazilian state of Bahia, to which it gave its name. It sits on the eastern coast of Brazil, surrounding pa ...
. The river was used by the Portuguese to create a large-scale sugarcane production in the Recôncavo region. The city of
Santo Amaro was built on terraced land above the river. It has a single tributary, the
Serjimirim River.
Pollution
The Subaé River is polluted along much of its course, notably by
lead
Lead is a chemical element with the symbol Pb (from the Latin ) and atomic number 82. It is a heavy metal that is denser than most common materials. Lead is soft and malleable, and also has a relatively low melting point. When freshly cu ...
,
zinc
Zinc is a chemical element with the symbol Zn and atomic number 30. Zinc is a slightly brittle metal at room temperature and has a shiny-greyish appearance when oxidation is removed. It is the first element in group 12 (IIB) of the periodi ...
, and
cadmium
Cadmium is a chemical element with the symbol Cd and atomic number 48. This soft, silvery-white metal is chemically similar to the two other stable metals in group 12, zinc and mercury. Like zinc, it demonstrates oxidation state +2 in most of ...
. Lead pollution originated in industrial sewage of a processing facility owned by the Companhia Brasileira de Chumbo, now defunct.
References
{{reflist, 2, refs=
[{{cite journal, last1=Andrade, first1=Maiza Ferreira de, last2=Moraes, first2=Luiz Roberto Santos, title=Contaminação por chumbo em Santo Amaro desafia décadas de pesquisas e a morosidade do poder público, journal=Ambiente & Sociedade, volume=16, issue=2, year=2013, pages=63–80, issn=1414-753X, doi=10.1590/S1414-753X2013000200005, doi-access=free]
[{{cite web , last = Ormindo de Azevedo , first = Paulo , url= http://www.hpip.org/def/en/Homepage/Entry?a=1137
, title= Santo Amaro , place= Lisbon, Portugal , year = 2018 , publisher=Heritage of Portuguese Influence/Património de Influência Portuguesa , accessdate=2018-10-30]
[{{cite book , last=Motta , first1=Paula Núbia Soares Dalto , url=https://www.ufrb.edu.br/pgsolos/images/DISSERTA%C3%87%C3%95ES/2015/Disserta%C3%A7%C3%A3o_SQE_-_Paula_N%C3%BAbia_Soares_Dalto_Motta.pdf , title=Bacia Do Rio Subaé, Bahia: Características Hidrográficas, Geomorfológicas E Hidroquímicas , location=Cruz Das Almas, Bahia , publisher=Universidade Federal Do Recôncavo Da Bahia , date=2015 , accessdate=2019-01-09 ]
[{{cite journal , title=A POLUIÇÃO DO RIO SUBAÉ , journal=Bahia Já , date=2009-01-23 , last=Moura , first=Antonio Jorge , url=http://bahiaja.com.br/artigo/2019/01/08/mais-de-uma-luz-por-mae-stella-de-oxossi-e-amos-oz,1118,0.html , accessdate=2019-01-09 ]
Rivers of Bahia