Unions and social movements took aim at the Temer administration's labor and pension reform proposals with a 24-hour nationwide work stoppage.
A bill in congress with potential for creating market uncertainty was the reason that made the Innovation Network Corporation desist from selling its 50% stake in the water utility group, according to sources.
With an invitation from the Mexican government, a special rapporteur from the UN will visit the country next month to conduct an exhaustive evaluation.
The tender winners will prepare concessions in the states of Santa Catarina, Rio Grande do Norte, and Acre.
Approximately 34mn of residents are not connected to a potable water supply system and as many as 100mn do not have sewage collection services.
The Organization of American States had called a meeting of foreign ministers to address the crisis in the country.
Part of the amount has already been invested in the company's multi-plan of works to mitigate increases of turbidity levels at a key river near Santiago.
The emergency will last 180 days and it can be extended for a similar period if needed.
The tender, for the multibillion-dollar project, contemplates work along the northern section of the water supply system.