While some of the ongoing works are financed by the national government, others were realized with foreign funding.
The water utility has to temporarily suspend services due to maintenance works.
Recent announcements by the Netherlands and Luxembourg on the halting of cooperation deals cast a shadow over plans for two hospitals.
Some of the country's main highways were blocked by demonstrators during the protests.
The US$84mn project, divided into five contracts, entails installing a 108km aqueduct that will benefit seven municipalities. Works were awarded to three joint ventures.
This week saw the approval of a bill required to implement the project, while authorities announced that all the studies and designs for the project will be unveiled next month.