The companies participated in infrastructure and sanitation projects between 2004 and 2015 and authorities allege they formed a cartel to fix prices.
The funds will be focused on building the project's dam.
The company currently is also investing to expand the city's water supply.
The company is looking to improve debt delinquency rates and boost revenues.
The project, carried out in Mato Grosso do Sul state, required federal and state investments of 4.6mn reais (US$1.4mn).