The Brazilian wastewater company will finance the acquisition via a capital injection from its shareholders.
The damaged infrastructure that reportedly caused water shortages in some neighborhoods has already been repaired, according to authorities.
BNamericas takes a look at the pipeline project to transport treated wastewater from Tijuana to producers in Mexico's most important wine region.
As part of compensation measures for the 2015 catastrophe, Brazil's Samarco will provide funding for sanitation and solid waste collection.
The US$10mn proposal entails increasing the biogas co-generation capacity of a wastewater treatment plant operated by the utility.
Brazil's government has promised to step up financing for the recovery of the São Francisco river basin with funds from Eletrobras' privatization, if northeastern lawmakers support the sale.
The upgrades will reduce agricultural water usage and increase output.
Water scarcity in several neighborhoods has caused many protests and street blockades.