The Private Investment Promotion Agency (PROINVERSIÓN) will incorporate some changes to the concession contract to build a Wastewater Treatment Plant (WWTP) in Puerto Maldonado, Madre de Dios, to attract more interested parties through a Public-Private Partnership (PPP).

To date, the project has three prequalified bidders: Tecnología Intercontinental, SAPI de CV, Consorcio Saneamiento Puerto Maldonado (BTD Capital 12, SL and Calare Investments, SL) and Copasa-Almar (Anonymous Company of Works and Services, COPASA, Branch of Peru and Almar Water Services Spain, SL). The estimated investment is around US$ 100 million and the concession period is 23 years through a PPP co-financed by the Ministry of Housing, Construction and Sanitation (MVCS) as grantor.