In the district Antanifotsy, Protos is operational since 2011. The district is located in the Central Plateau, 100 km south from Antanarivo. Only 10% of the population has access to a 'modern' drinking water supply. Malaria and diarrhoea occur very often and regularly there are cases of typhus.

In the districts Atsimondrano and Arivominano, Protos is present in 6 municipalities since 2006. In this period, more than 35.000 inhabitants received access to drinking water. The drinking water supply is ensured by small systems and the management is on voluntary basis (water committee and the local technician).