Brazilian water utility Sabesp has called three tenders to improve waterworks in state capital São Paulo and the neighboring city of Osasco.
The volatile domestic market is hindering infrastructure bond offers for the country's basic water and sanitation sector, says a waterworks expert.
The plant is set to be operational in 2021.
National water authority Conagua has reported that 398 municipalities in the country were suffering the effects of drought mid-way through May.
To ensure completion of Brazil's São Francisco river transposition initiative by the end of this year, national integration minister Hélder Barbalho has announced a 43% increase in payments to the companies carrying out work on the project.
The flood control infrastructure is part of larger program that the government is advancing.
Rosario's city hall has set a goal of providing sewerage infrastructure to 100% of the population by 2020.
The central Colombian department is seeking approval for a master plan to improve water and sewerage infrastructure in La Mesa municipality.
Authorities have approved the extraction and use of water from three aquifers that were previously protected, according to a statement in the federal gazette.
According to Brazil's sanitation plan Plansab, some US$141bn in investments are expected to be made in 2013-33.
This is the first plant in the country that is powered by solar energy, Conagua director Roberto Ramirez de la Parra said.
Several points in the channel leading to the port have been identified as "complicated" areas for larger vessels.
In the southeastern city there are 60 areas that are at risk of flooding.
Cities minister Bruno Araújo has met with key players in the waterworks industry to prepare comprehensive plans for the country.