[5] The two rivers are not connected to each other; both rise in the uplands near Turiscai in Manufahi municipality, where a drainage divide causes them to flow southwards and northwards, respectively, in each case later augmented by several tributaries.

[7] Timor-Leste has been broadly divided into twelve 'hydrologic units', groupings of climatologically and physiographically similar and adjacent river catchments.

[13]: 9, 52 [14] The catchment is the main source of water for the sucos of Taitudac and Mahaquidan [de] in its middle reaches, and Uma Berloic in its lowlands.

As of 2019, the catchment also had plenty of unused water and land suitable for expansion of its irrigation systems.

[15]: 16  An academic paper published in 2014 asserted that there were prospects of finding gold placer in the sandy gravel strata in the South Laclo and two other rivers in the Turiscai administrative post, and, more importantly, of finding primary gold deposits in those rivers' upper reaches.