The sewer system network is  287,260 metres long approximately. All the water is conducted towards the Acosol general sewer pipe that leads to the wastewater treatment plants, which are also managed by Acosol. In addition, the system includes two wastewater pumping stations managed by Aguas de Benahavís in the municipality.

The diameter of the network ranges from  200 to  2,000 mm in rainwater pipes, sewer pipes and combined sewer pipes. Pipes are mainly made of PVC.

The number of sewer connections is around 1,313 units (including domestic connections, industrial connections, and others).

There are around 7,564 manholes. There are 6,213 gutters distributed throughout the municipality of Benahavís.

The whole network system is mapped and traced by GIS software, offering greater control for preventative and corrective network maintenance.