The French firm is participating in 10 different projects in the country that will be carried out in the next five years, while its Chilean subsidiary raised the possibility of increasing the amount invested.
In its newly released Global Competitiveness Report 2018, the World Economic Forum assesses competitiveness based on factors such as infrastructure.
Under a Bolsonaro government, development bank BNDES will focus more on drawing up projects rather than financing.
The future of the project was already uncertain as mayor-elect Claudia Sheinbaum has expressed her opposition to continuing with construction of the plant.
The country's water regulator is investigating both the fails in Antofagasta's wastewater treatment system as well as the potable water cuts that resulted from these incidents.
The online procedure to submit and approve water concessions and permits was supposed to go into effect on October 15.
The ultra-right wing Brazilian candidate said he will use his tenure as president to conclude unfinished infrastructure projects.
There is expected to be more private sector participation in the industry , but challenges remain.