The operation will help the Goiás state water utility to fuel investments in water and sanitation projects.
The northern Lambayeque region will receive almost US$1bn in investment in infrastructure and water projects, as the government revs up its spending plans.
Peru's bankrupt municipal water companies are receiving a lifeline as the central government steps in to look for private operators who will put up hundreds of millions of dollars in needed investment.
Brazil's northeast region faces a severe drought and the equipment loan will help to pull more water from the São Francisco river.
Charging for the services would be part of a strategy to boost solid waste management in the country, according to the environment ministry.
The list includes troubled projects such as the controversial El Zapotillo pipeline and the long-delayed Emisol Oriente drainage tunnel.
This contract is being retendered, after the original award was terminated earlier this year.
The 12 month contract for the project was signed in 2011 and is still unfinished. Works entailed optimizing the water distribution network of the Villavicencio aqueduct.