Acciona Agua S.A. is a subsidiary of Spanish infrastructure firm Acciona focused on the integrated water cycle, managing the design, construction and operation of potable water treatment, wastewater treatment, tertiary treatment and reverse osmosis desalination plants. The company serves more than 90 million users, in 24 countries. In Latin America, the company operates through various consortiums in Brazil, Chile, Colombia, Costa Rica, Ecuador, Mexico, Peru, Dominican Republic, Trinidad and Tobago, and Venezuela. In Brazil, Acciona Agua is part of consortia that hold contracts for the construction of a wastewater treatment plant and sewerage network in the city of São Gonçalo, in Rio de Janeiro state, and two wastewater treatment plants, which the company will operate and maintain for 26 years, in Divinopolis, state of Minas Gerais. The company is also part of a consortium responsible for the wastewater treatment plant and sewerage network in the city of San Fernando, the second largest city in Trinidad and Tobago. It also won a contract to build and operate a reverse osmosis desalination facility in Chile's Copiapó valley for a period of 20 years. Acciona Agua was founded in 1997 and is headquartered in Alcobendas, Spain.