The company plans to invest around US$63mn in the project over the next five years.
The bitcoin and digital payments giant has entered Mexico as part of a regional growth strategy.
Similar rules were issued in April for banks and other financial institutions.
Through the app, clients of what is Brazil's largest water utility will be able to access their current water bill, check bills of the last 12 months, and report water leaks and sewer pipeline ruptures, among other things.
The three-day event held in São Paulo is considered the largest of its kind in Latin America. We take a look at some of the announcements made during the conference.
One of the two firms acquired by Alba Capital Partners, Sidaco, has built and deployed over 2,500 of the 16,000 sites existing in Argentina during 20 years of operations.
WOM referred to Entel and Claro, who are the only two operators that are currently using the band, as an "oligopoly."
The Mexican operators has said that it might be willing to divest its consumer-oriented unit to focus on the enterprise and government services part of the company.