Sorocaba headwaters are located in the municipalities of Ibiúna, Cotia, Vargem Grande Paulista and São Roque.

From Sorocaba to its mouth is in Peripheral Depression in the domain of sedimentary rocks from Parana Basin Tubarão Supergroup.

It is bordered by the following cities: Ibiúna, Votorantim, Sorocaba, Iperó, Boituva, Tatuí, Cerquilho, Jumirim and Laranjal Paulista.

[4] This committee took the initiative of civil society and currently includes 34 municipalities, 18 were located in Sorocaba River basin and 16 situated in the sub-basin of the upper Middle Tietê.

With the awareness that occurred after the 1980s, there was greater commitment from the municipalities of the watershed in the conservation of water sources through environmental laws.