|Leagues||Liga Nacional de Básquetbol|
|Founded||27 March 1917|
|History||1926 – present (basketball section)|
|Arena||Estadio Obras Sanitarias|
|Location||Núñez, Buenos Aires, Argentina|
|Team colors||Black and Gold|
|Head coach||Julio Lamas|
|Championships||3 Campeonato Argentino de Clubes
1 Intercontinental Cup
1 South American League
Club Atlético Obras Sanitarias de la Nación (known simply as Obras Sanitarias or Obras) is an Argentine sports club located in the district of Núñez, Buenos Aires. Although originally conceived as a rugby union club, Obras Sanitarias is mostly known for its basketball team, which currently plays in the Liga Nacional de Básquet, the first division of the Argentine basketball league system.
Obras Sanitarias has been nicknamed Los Tacheros, a lunfardo word used to refer to Argentine taxi drivers, due to taxi cabs are painted in black and yellow (the same colors that Obras' jersey uniform).
Obras Sanitarias was founded in 1917 by employees of the state enterprise Obras Sanitarias de la Nación (translatable in English to "Sanitation Works of the Nation"). In 1978, Obras inaugurated the indoor arena Estadio Obras Sanitarias and, two years later, the first synthetic field hockey pitch in South America.
Obras Sanitarias, along with the Brazilian club Esporte Clube Sírio, was the only two South American team that won the Intercontinental Cup. Obras did so in 1983, defeating Italian Jollycolombani Cantù. In 2012, Obras won the South American League for its first time, after beating the Brazilian club Pinherios 88-73 
|Obras Sanitarias roster|
Notable former players
In 1953, Obras won the Unión de Rugby de Buenos Aires (URBA) championship, which is its only title to date. The team currently plays at Grupo III, the third division of the Unión de Rugby de Buenos Aires league system.