According to authorities in the Mexican state, there are around US$22mn soon available to kick off the project in January.
The government is allocating US$165mn to potable water and sewerage projects in the southeastern Andes as part of a drive to ensure 100% coverage in urban areas by 2021.
A landslide blocked a water canal that serves the city, prompting President Lenin Moreno to suspend public sector activities.
The opposition party filed an appeal against the plant's service contract.
The water utility, which serves Chile's Santiago metropolitan region, is investing US$100mn to prevent future water service cuts.
The group of experts will deliver its proposal to all candidates that will run in the presidential elections in October 2018.
The tariff hike will take place from January 6.
As many as 13 works are being contemplated to begin the river's cleanup process.
The company's Q3 profit generation was hit by an increase in expenses.