The director of water utility AyA outlined projects and actions that have been implemented since Carlos Alvarado took office in May.
The measure that would open up the sector to more private investment has generated huge controversy.
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 infrastructure projects to be affected by the recently approved budget cuts for this year include road, school, water, and hospital initiatives, among others.
More businessmen have confessed having paid bribes to public officials during the Kirchner governments. Meanwhile, authorities met with officials from the World Bank to discuss the continuation of works affected by the ongoing probe.