Acciona builds its fourth wastewater treatment plant in Ecuador

The Los Merinos Wastewater Treatment Plant (WWTP) makes Guayaquil the first Ecuadorian city to complete the water cycle, providing work for 1.5 million people during its 42 months of creation


The Spanish company Acciona America Agua signed a contract on Wednesday with the Mayor's Office of Guayaquil, in western Ecuador, to agree on the construction and operation of the Los Merinos Wastewater Treatment Plant (WWTP), which will become part of the city's integrated sanitation system.

This new project, awarded by Empresa Municipal de Agua Potable y Alcantarillado de Guayaquil (EMAPAG), will become the fourth facility implemented by the Spanish company in Ecuador. The contract, valued at 140 million euros, includes work on the 'Progreso' wastewater pumping station.

It is estimated that the World Bank-financed project will serve 1.5 million people during its 42 months of execution.


Through the construction of this plant, Guayaquil will become the first Ecuadorian city to complete the water cycle due to the application of high technology. In addition, electricity and water supply will be used, which is expected to improve the living conditions of the population living in the northeast of the city.

The commercial director of Acciona America Agua, Ignacio López, said that "Los Merinos is the most important wastewater treatment solution for Latin America".

Los Merinos is the fifth water treatment project and the fourth wastewater treatment plant to be built by Acciona in Ecuador, consolidating the company as one of the leading companies in the country's water infrastructure sector.


Acciona in Ecuador

Acciona has developed several projects in Ecuador. In 2019, it concluded, with a budget of 22 million euros, the construction of the La Pradera pumping station as a step towards the creation of the future Wastewater Treatment Plant (WWTP) of Las Esclusas in Guayaquil, within the programme for the Universalisation of Sanitary Sewerage for one million people.

The company is currently leading the project to expand and improve water collection and purification in Esmeraldas, which will benefit more than 200,000 people, thanks to funding from the Inter-American Development Bank (IDB), including the water treatment plant and an electrical substation.


In the northern part of the country, the Ibarra Wastewater Treatment Plant was completed in 2017, created using an advanced biological nutrient purification system in accordance with a strict environmental protection plan.

In addition to its extensive experience in the water sector, Acciona is carrying out one of the most representative works in the national capital, the construction of the second phase of the Quito Metro, a contract valued at 1.4 billion euros.

Latin America Coordinator: José Antonio Sierra