The companies participated in infrastructure and sanitation projects between 2004 and 2015 and authorities allege they formed a cartel to fix prices.
Though the payment cuts into the country's foreign reserves, no lasting damage is expected.
The local regulator presents investment opportunities in order to cover the greater demand.
The company is looking to improve debt delinquency rates and boost revenues.
The company currently is also investing to expand the city's water supply.
A World Bank director outlines several factors that are prompting foreign investors to remain in standby mode in regard to the Brazilian infrastructure sector.