The country's public works ministry estimated that it would take US$6bn in investments to reach universal water and sanitation coverage by 2030, so urgent action is required.
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.
The national government, through national water and sewerage utility Enacal, has focused its efforts on improving water monitoring labs.
As a result of the better performance, Moody's reviewed the company's rating, improving the outlook to positive.
The sovereign fund acquired Sanepar's preferred shares
The Latin American development bank approved a US$76mn loan that will be used to improve water and sanitation services in the Pacfic coast city, benefiting 400,000 residents.
The agreements in question include those made by previous legislatures.
Low rainfall is causing the water levels of the main reservoirs in the state to decline rapidly.
Especially integration infrastructure projects but also the transport and telecoms sectors require massive investments.
The long-suffering Lake Titicaca water basin, polluted by decades of sewage from towns in Peru and Bolivia, is closer to making a recovery, as both Andean countries pushed ahead with sewerage treatment plans.